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TEST-2

12

NEET-2020 Full Syllabus

TEST-2

TEST SYLLABUS : FULL SYLLABUS

Your Target is to secure Good Rank in NEET - 2020

Important Instructions:

(1) There is only one correct option.

(2) Duration of Test is 3 Hours and Questions Paper Contains 180 Questions. The Max. Marks are 720.

(3) Each correct answer carries 4 marks, while 1 mark will be deducted for every wrong answer. Guessing of answer is harmful. 

 

 

1 / 180

The concept of genus was proposed by

2 / 180

Which one of the following branch is applicable to both plants and animals?

3 / 180

Phylogenetic system of classification was proposed by

4 / 180

When the oxygen supply to the tissue is inadequate, the condition is

5 / 180

Aggregates of lymphoid tissue present in the distal portion of the small intestine are known as

6 / 180

I. On plotting the length of an organ against time, a linear curve is obtained
II. Lt = L0 + rt
III. Following mitotic division, one daughter cell continues to divide while the other differentiate and mature.

Above are the properties of

7 / 180

Growth of an organism is characterised by

8 / 180

A plant have 13 hours critical day light under which condition it will flower

9 / 180

Glycolysis takes place in

10 / 180

During its formation, bread becomes porous due to release of Carbon dioxide by the action of

11 / 180

Identify the 5-C compound from the given option

12 / 180

I. Chlorophyll-a
II. Chlorophyll-b

III. Xanthophyll
IV. Carotenoid

Separate the given pigments into the accessory and main pigments involved during photosynthesis

13 / 180

Which element is located at the centre of the porphyryin ring in chlorophyll?

14 / 180

Hydroponics were first time demonstrated in the year

15 / 180

Cohension and adhension theory, is otherwise called

16 / 180

Hydroponics is the method of

17 / 180

A cell dipped in 0.5 M sucrose solution has no effect but when the same will be dipped in 0.5 M NaCl solution, the cell will

18 / 180

Synapsis occurs between

19 / 180

Select the correct option with respect to mitosis.

20 / 180

Chloramphenicol and erythromycin (broad spectrum antibiotics) are produced by

 

21 / 180

A patient brought to a hospital with myocardialinfarction is normally immediately given

22 / 180

Which of the following enzymes helps in crossing plasma membrane?

23 / 180

Which of the following enzymes has/have haeme as a prosthetic group?
I. Catalase
II. Carboxypeptidase
III. Succinic dehydrogenase
IV. Peroxidase

24 / 180

Note the following statements.
1. It forms the lining of the cavities of alveoli of the lungs.
2. It forms the lining of wet surface like buccal cavity and oesophagus.
3. It occurs in the ducts of sweat glands.
4. It forms the lining of salivary glands and sweat glands.

Which of the above statements are associated with simple epithelial tissue?

25 / 180

For capturing the prey frog uses its

26 / 180

Which statements are correct about guard cells?
I. They are modified ground tissue
II. They are chlorophyllous
III. Its outer wall is thin and inner wall is highly thickened
IV. They regulate stomatal movement for transpiration and gaseous exchange

27 / 180

Vascular bundle without cambium is called

28 / 180

Ovary is half-inferior in the flowers of

29 / 180

Bright colour of petals is due to presence of

30 / 180

Pedicel of flower is called

31 / 180

Which is odd one?

32 / 180

Addition of which element in water speed up the metamorphosis in frog tadpole larva?

33 / 180

Different colours of frog skin are controlled by

34 / 180

Engulfing of food either in solid or liquid is called

35 / 180

In flowering plants meiosis occurs at the time of

36 / 180

Top-shaped multiciliate male gametes and the mature seed, which bears only one embryo with two cotyledons, are characteristic features of

37 / 180

Auxospores and homocysts are formed, respectively by

38 / 180

Fungi shows vegetative reproduction by all of the following except

39 / 180

When the body is rapidly oxidizing fats, excess ketone bodies accumulate resulting in

40 / 180

In which one of the following pairs, the two items mean one and the same thing?

41 / 180

Lead concentration in blood is considered alarming if it is

42 / 180

Glomerular area of adrenal cortex is responsible for

43 / 180

The expulsion of urine from the urinary bladder is called

44 / 180

Aldosterone causes conditional reabsorption of ….. in the distal part of tubule

a) CO2             b) Ca2+             c) Na+             d) Cl-

45 / 180

Myofilaments or myofibrils are

46 / 180

Colle's fracture is associated with

47 / 180

Sigmoid notch is present in

48 / 180

At the neuromuscular function acetylcholine

49 / 180

The following diagram indicates the reflex arc. Identify the parts labeled as A, B, C, D, E ,F and G and choose the correct option.

50 / 180

Progesterone

51 / 180

The macromineral essential for the formation of insulin is

52 / 180

'Bisexual animals that possess both male and female reproductive organs are called hermaphrodite'. The above statement is

53 / 180

In oviparous individuals development of zygote takes place

54 / 180

Identify  A to E in the following diagram

55 / 180

Which one of the following pairs of plants structures has haploid number of chromosomes?

56 / 180

In which one pair, both the plants can be vegetatively propagated by leaf pieces?

57 / 180

Which of the following represents a condition, where the motility of the sperms is highly reduced?

58 / 180

Ovulatory phase lasts for

59 / 180

Function of bulbourethral gland is to

60 / 180

In which of the following animal, cleavage divisions are restricted to a small part of cytoplasm and nucleus in animal pole of egg?

61 / 180

Example of copper releasing IUD is

62 / 180

Growth curve is normally:

63 / 180

Mendel's experiment were based on hybridization between two plants differing in

64 / 180

A condition characterized by not having an exact number of chromosomes in a multiple of haploid set is called

 

65 / 180

Broadly the genetic disorders may be classified in …A… group Mendelian disorder and …B… disorders. Mendelian disorder are mainly determined by …C… in single gene.
Choose the correct option for A, B and C

66 / 180

According to the Lac operon concept, which functional unit of the bacterial genetic material is responsible for suppressing the activity of the operator gene in the absence of lactose?

67 / 180

S and R strains have several subtypes which one were used by Griffith

68 / 180

Hugo de Vries based on his work on …A…brought forth the idea of …B…, large difference arising suddenly in a population. He believed that it is mutation which causes evolution and not the …C… that Darwin talked about. Mutations are random and …D…, while Darwinian variations are small and …E…
Choose the correct option for A,B,C,D and E to complete the given statement

69 / 180

Which of the following features are connected with the modern theory of evolution?
I. Genetic and chromosomal mutation
II. Genetic recombination and natural selection
III. Reproductive isolation
The correct combination is

70 / 180

Neurasthenia refers to

71 / 180

What is the name of complex formed at the time of action of T-cells?

72 / 180

Transformation of normal cell cancerous cell is induced by

73 / 180

The management of animals for milk and its products for human consumption is called

74 / 180

Rice, maize, sorghum and millets are the principal cereals of the:

75 / 180

The natural method of pest and pathogen control involving use of viruses, bacteria and other insects is called

76 / 180

Consider the following statements
I. Antibiotics are chemical substances produced by some microorganisms which can kill or retard the growth of other diseasecausing microorganisms
II. Penicillin is the first antibiotic discovered by Alexander Fleming (1928), while working o bacterium Staphylococcusaureus
III. The function of penicillin as an antibiotic was established by Ernst chain and Howard Florey
Which of the statement given above are correct?

77 / 180

Colony hybridization procedure for identification of plasmid clones is called:

78 / 180

Which of the following components are used in
gel electrophoresis?
I. Ethidium bromide
II. Restriction endonuclease
III. Agarose
IV. UV radiation
Choose the correct option

79 / 180

A probe which is a molecule used to locate specific sequences in a mixture of DNA or RNA molecules could be

80 / 180

All are the biotechnological application in order to increase food production, except

81 / 180

Which of the following cells cannot be grown under tissue which of culture condition?

82 / 180

There are two optional ways of exploitation. One way is parasitism. Which is the other one?

83 / 180

Coconut water is rich in

84 / 180

Which one of the following correctly represents as organism and its ecological niche?

85 / 180

The relationship between the species richness and the area for a wide variety of taxa appears as

86 / 180

World summit on sustainable development was held in

87 / 180

UV-rays are non-ionizing type and are lethal due to inactivation of

88 / 180

It is used in refrigerator and air conditioners and it is a source of Cl-

89 / 180

Locust are the plant pests which can be solitary or gregarious. It depends upon

90 / 180

In case of honey bees, the queen bee substance or antiqueen pheromone is given out by

91 / 180

Which is a polymer of three different monomers?

92 / 180

In the natural rubber, the isoprene units are joined in

93 / 180

Which one of the following is not a protein?

94 / 180

Secondary nitroalkanes can be converted into ketones by using Y. Identify Y from the following

 

95 / 180

Gabriel's synthesis is used frequently for the preparation of which of the following?

96 / 180

Amides contain group, yet they do not give characteristic reactions of group because

97 / 180

The dehydration of butane-1-ol gives

98 / 180

a)  C6H5OC2H5

b) C2H5OCC2H5

c) C6H5OC6H5

d) C6H5I

 

99 / 180

One of the following that cannot undergo dehydrohalogenation is

100 / 180

Which of the following is not an isomer of but-1-yne?

101 / 180

Which metal gives hydrogen gas on heating with hot concentrated alkali?

102 / 180

The methods chiefly used for the extraction of lead and tin from their ores are respectively

103 / 180

In the manufacture of sulphuric acid by contact process, tyndall box is used to

104 / 180

Purest form of iron is

105 / 180

The luster of a metal is due to

106 / 180

Paste is

107 / 180

In the reversible reaction

The rate of disappearance of NO2 is equal to

(a) 2k1/k2[NO2]2 

(b) 2k1[NO2]2 - 2k2[N2O4]

(c) 2k2[NO2]2 - k2[N2O4]

(d) (2k1-k2)[NO2]

108 / 180

The cell reaction of the galvanic cell,  Cu (s) | Cu2+(aq) || Hg2+(aq) | Hg (l)

a) Hg + Cu2+ ⟶ Hg2+ + Cu

b) Hg + Cu2+ ⟶ Cu+ + Hg+

c) Cu + Hg → CuHg

d) Cu + Hg2+ ⟶ Cu2+ + Hg

 

109 / 180

For a gaseous reaction, the units of rate of rate of reaction are

110 / 180

How many grams of dibasic acid (mol. wt. 200) should be present in 100 mL of the aqueous solution to give 0.1 N?

111 / 180

Assuming that sea water is a 3.50 weight per cent aqueous solution of NaCl. What is the molality of sea water?

112 / 180

Which element is used for making a transistor?

113 / 180

Which one of the following is a covalent crystal?

114 / 180

Addition of phosphate fertilizers into water leads to

115 / 180

An organic alkadiene on reductive ozonolysis produces
(i)acetaldehyde

(ii) acetone
(iii) 2-methylpropane-1, 3-dial
The formula of alkadiene will be

116 / 180

The conditions for aromaticity is

117 / 180

Which of the following is most likely to show optical isomerism?

118 / 180

Which of the following is used in making printer's ink, shoe polish, black varnish and paint?

119 / 180

The correct order of increasing atomic radii, is

120 / 180

The carbonate that will not decompose on heating is
a) Na2CO3

b) CaCO3

c) BaCO3

d) SrCO3

121 / 180

When hydrogen peroxide is added to acidified potassium dichromate, a blue colour is produced due to formation of
a) CrO3

b) Cr2O3

c) CrO5

d) [CrO4]2-

122 / 180

The oxidation number of chromium in potassium dichromate is

123 / 180

The reaction,
Ag2+ (aq) + Ag(s) ⇌ 2Ag2+ (aq)

is an example of

124 / 180

100 mL of 0.015 M HCl solution is mixed with 100 mL of 0.005 M HCl. What is the pH of the resultant solution?

125 / 180

The quantity of heat measured for a reaction in a bomb calorimeter is equal to

126 / 180

Hess's law is used to calculate

127 / 180

If both oxygen and helium gases are at the same temperature, the rate of diffusion of O2 is very close to

128 / 180

In the anion HCOO- the two carbon-oxygen bonds are found to be of equal length. What is the reason for it?

129 / 180

Which of the following elements never show positive oxidation number?

130 / 180

The uncertainty in momentum of an electron is 1 × 10-5 kg m/s. the uncertainty in its position will be ℎ = 6.62 × 10-34 kgm2/s

a) 2.36× 10-28 m b) 5.25× 10-28 m
c) 2.27× 10-30 m d) 5.27× 10-30 m

131 / 180

What does the electronic configuration 1 s2, 2 s2, 2 p5, 3 s1 indicate?
a) Ground state of fluorine

b) Excited state of fluorine
c) Excited state of neon
d) Excited state of the O-2  ion

132 / 180

Law of constant composition is same as the law of

133 / 180

2 g of metal carbonate is neutralised completely by 100 mL of 0.1 (N) HCl. The equivalent weight of metal carbonate is

134 / 180

Electrovalence of calcium and chlorine respectively is

135 / 180

A given fiber has core refractive index of 1.5 and a core cladding index difference factor (Δ) of 0.01125. The numerical aperture is

136 / 180

For good demodulation of AM signal of carrier frequency f, the value of RC should be

137 / 180

The main cause of zener breakdown is

138 / 180

Consider two nuclei of the same radioactive nuclide. One of the nuclei was created in a supernova explosion 5 billion years ago. The probability of decay during the next time is

139 / 180

The diagram shows the energy levels for an electron in a certain atom. Which transition shown represents the emission of a photon with the most energy

140 / 180

The ionization energy of Li2+ is equal to

141 / 180

Cathode rays are similar to visible light rays as

142 / 180

In vacuum an electron of energy 10 keV hits tungsten target, then emitted radiation will be

143 / 180

If fringes width λ = 5.89 x 10-5    cm is 0.431 mm and shift of white central fringe on introducing a mica sheet in one path is 1.89 mm. Thickness of the mica sheet will be
(μ = 1.59)

144 / 180

A light ray is incident upon a prism in minimum deviation position and suffers a deviation of 34°. If the shaded half of the prism is knocked off, the ray will

145 / 180

A large glass slab μ = 5/3 of thickness 8 cm is placed over a point source of light on a plane surface. It is seen that light emerges out of the top surface of the slab from a circular area of radius R cm. What is the value of R?

146 / 180

The wave of wavelength 5900 Å emitted by any atom or molecule must have some finite total length which is known as the coherence length. For sodium light, this length is 2.4 cm. The number of oscillations in this length will be

147 / 180

A resistor and a capacitor are connected in series with an AC source. If the potential drop across the capacitor is 5 V and that across resistor is 12 V, then applied voltage is

148 / 180

The natural frequency (ωo) of oscillations in L-C circuit is given by

149 / 180

The current i in an induction coil varies with time t according to the graph shown in figure.

Which of the following graphs shows the induced emf (e) in the coil with time

150 / 180

A bar magnet is oscillating in the earth's magnetic field with time period T. If its mass is increased four times, then its time period will be

151 / 180

A bar magnet of magnetic moment 104J/T is  free to rotate in a horizontal plane. The work done in rotating the magnet slowly from a direction parallel to a horizontal magnetic field of 4 × 10-4 to a direction 60° from the field will be

 

152 / 180

Four charged particles are projected perpendicularly into the magnetic field with equal. Which will have minimum frequency?

153 / 180

What will happen when a 40 watt, 220 volt lamp and 100 watt, 220 volt lamp are connected in series across 40 volt supply

 

154 / 180

A thermo couple develops 200μV between 0℃ and 100℃. If it develops 6 4μV and 76 μV respectively between (0℃ − 32℃) and (32℃ − 70℃) then what will be the thermo emf it develops between 70℃ and 100℃

 

155 / 180

A tap supplies water at 22℃, a man takes of 1 L of water per min at 37℃ from the geyser. The power of geyser is

156 / 180

The electrostatic potential energy between proton and electron separated by a distance 1 Å is

157 / 180

Two equal charges as separated by distance d. A third charge placed on a perpendicular bisector at x distance from centre will experience maximum coulomb force, when

158 / 180

Two equal charges as separated by distance d. A third charge placed on a perpendicular bisector at x distance from centre will experience maximum coulomb force, when

159 / 180

A string is rigidly tied at two ends and its equation of vibration is given by y = cos 2πt sin 2πx. Then minimum length of string is

160 / 180

Acceleration A and time period T of a body in S.H.M. is given by a curve shown below.

Then corresponding graph, between identic energy (K.E) and time t is correctly represented by

161 / 180

In simple harmonic motion, the ratio of acceleration of the particle to its displacement at any time is a measure of

162 / 180

Which of the following cylindrical rods will conduct maximum heat, when their ends are maintained at a constant temperature difference?

 

163 / 180

Value of adiabatic bulk modulus of elasticity of helium at NTP is

164 / 180

A diatomic ideal gas is compressed adiabatically to 1/32 of its initial volume. In the initial temperature of the gas is Tf (in kelvin) and the final temperature is Tf, the value of a is

165 / 180

If the ratio of densities of two substances is 5 ∶ 6 and that of the specific heats is 3 ∶ 5. Then the ratio between heat capacities per unit volume is

166 / 180

Two capillaries of radii r1 and r2, length l1 and l2 respectively are in series. A liquid of viscosity η is flowing through the combination under a pressure difference p. What is the rate of volume flow of liquid?

167 / 180

Water flows steadily through a horizontal pipe of variable cross-section. If the pressure of water is p at a point where flow speed is ν, the pressure at another point where the flow speed is 2ν, is (take density of water as ρ)

168 / 180

The general form of potential energy curve for atoms or molecules can be represented by the following equation U(R) = A/Rn − B/Rm. Here, R is the interatomic or molecular distance, A and B are coefficients, n and m are the exponents. In the above equation

169 / 180

If the density of the earth is doubled keeping radius constant, find the new acceleration due to gravity? (g = 9.8 m/s2)

170 / 180

A ball falls freely from a height of 45m. When the ball is at a height of 25 m, it explodes into two equal pieces. One of them moves horizontally with a speed of 10 m/s. The distance between the two pieces when both strike the ground is

171 / 180

Which relation is not correct of the following

172 / 180

A spring, which is initially in its unstretched condition, is first stretched by a length x and then again by a further length x. The work done in the first case is w1, and in the second case is w2. Then

 

173 / 180

A force of 1200 N acts on a 0.5 kg steel ball as result of collision lasting 25 ms. If the force is in a direction opposite to the initial velocity of 14 m/s then the final speed of the steel ball would be

174 / 180

A heavy uniform chain lies on horizontal table top. If the coefficient of friction between the chain and the table surface is 0.25, then the maximum fraction of the length of the chain that can hang over one edge of the table is

175 / 180

In uniform circular motion, the velocity vector and acceleration vector are

176 / 180

A body of mass m is projected at an angle of 45° with the horizontal. If air resistance is negligible, then total change in momentum when it strikes the ground is

177 / 180

A packet is dropped from a balloon which is going upwards with the velocity 12 m/s , the velocity of the packet after 2 seconds will be

178 / 180

In the equation Snth = u + a/2(2n-1) the letters have their usual meanings. The dimensional formula of Snth is

(a) [ML0T]

(b) [ML-1T-1]

(c)  M0LT-1]

(d)  [M0LT0]

179 / 180

The time dependence of a physical quantity p  is given by p = Poeαt2 -αt2  where α is a constant and t is time. Then constant α is

a) Dimensionless
b) Dimensionless of T-2
c) Dimensionless of P
d) Dimensionless of T2

180 / 180

Which form of iron is least ductile

Your score is

The average score is 14%

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TEST-1

10

TEST-1

TEST SYLLABUS : FULL SYLLABUS

Your Target is to secure Good Rank in NEET - 2020

Important Instructions:

(1) There is only one correct option.

(2) Duration of Test is 3 Hours and Questions Paper Contains 180 Questions. The Max. Marks are 720.

(3) Each correct answer carries 4 marks, while 1 mark will be deducted for every wrong answer. Guessing of answer is harmful. 

1 / 180

In Which of the following plant primary root is short lived and new roots originate from the base of stem:-

2 / 180

Choose the correct statements from the following :-
(A) Living organisms are self replicating, evolving and self regulating
(B) Cellular organisation, metabolism and consciousness are defining characters of living
(c) Growth, reproduction, ability to sense environment and respond are features of living organisms
(D) Growth and reproduction are defining charateristics of living organisms

3 / 180

Position of heart wood is :-

4 / 180

Which of following is a living mechanical tissue?

5 / 180

 

The aestivation in petals of lady finger and calotropis plants are respectively.

6 / 180

Which of the following is not related to solanaceae?

7 / 180

Among the following which is a vasodilator ?

8 / 180

Ornithine cycle performs

9 / 180

An organism having radial cymetry Diploblastic, having 8-cilliary comb plates, performing only sexual reproduction most probably organism is ?

10 / 180

A jawless fish which lays eggs in fresh water and whose larvae ammocoetes comes back to marine water is ?

11 / 180

At the junction of midgut and hind gut about 100-150, yellow coloured thin filamentous structure is present known as ?

12 / 180

Agriculatural practice of breeding and raising livestock is known as ?

13 / 180

Evolutionary relationship of three major group of organisms is shown in the diagram where A, B, C, D, E are liverworts, moss, fern, cycadales and gnetales respectively. In this diagram Funaria, Adiantum, Cycas and Ephedra will be placed respectively :-

 

14 / 180

Some characters or structures are given below. How many of them are found in both bryophyta and Pteridophyta :-
(A) Archegonium         (B) Protonema
(C) Rhizoids                   (D) Ovule
(E) Vascular tissue       (F) Antheridium

15 / 180

How many plants given below are heterosporous pteridophytes ?
Selaginella, Riccia, Salvinia, Marchantia,
Azolla, Lycopodium, Funaria, Psilotum

16 / 180

Identify the following figures and choose the option which gives correct description about them :-

 

 

 

17 / 180

Choose incorrect match out of following :-

18 / 180

Choose the incorrect statements of following :-

19 / 180

Water prevention and control of pollution act apply in India :-

20 / 180

In "Rivet popper hypothesis " "Rivet" indicates :-

21 / 180

Phytotron is a device in which :-

22 / 180

Which of the following is an example of Sedimentory bio-geo-chemical cycle ?

23 / 180

Veldts in Africa and Pampas in South America is an example of which Biome :-

24 / 180

In which biome clear stratification present :-

25 / 180

Storage of energy at consumer level known as :-

26 / 180

Overlapping zone between two ecosystem is known as :-

27 / 180

In which ecosystem pyramid of number is inverted :-

28 / 180

Which of the following is an energy source in ecosystem ?

29 / 180

Which of the following condition not associated with 'Alcoholic liver disease' ?

30 / 180

Most addictive drug and most potent hallucinogen respectively ?

31 / 180

Pyrogenic toxin secreted in human body during life cycle of plasmodium ?

32 / 180

Fill in the blanks respectively
..............acts as an antigen presenting cell which activates...............which in turn secrete lymphokine to activate both...........&........ . Now these cells perform specific cloning known as............. .

33 / 180

Change with desent is the basis of which theory

34 / 180

Analogous organs are :

35 / 180

In 1953 S.L. Miller created electric discharge in a closed flask containing the gaseous mixture

36 / 180

Consider the following four statements (1-4) and select the option which includes all the correct ones only :
(1) Huge clusters of galaxies comprise the universe
(2) Galaxies contain stars and clouds of gas and dust
(3) Considering the size of universe, earth is indeed a speck
(4) The gases condensed under gravitation and formed the galaxies of the present day universe.

37 / 180

Somatic embryogenesis is technique of :-

38 / 180

Green revolution in India occured during :-

39 / 180

Which of the following r-RNA acts as ribozyme in bacteria ?

40 / 180

Functional unit of gene is :-

41 / 180

Which of the following is required as inducer for the expression of lac operon ?

42 / 180

Which one of the following represents a pallindromic sequence in DNA :-

43 / 180

Which of the following is not a Bt crop ?

44 / 180

A good producer of butyric acid is :-

45 / 180

The colonies of non-recombinant bacteria appers blue in contrast to white colonies of recombinant bacteria because of :-

46 / 180

Which enzyme/s will be produced in a cell in which there is a mis-sense mutation in the lac Y gene ?

47 / 180

Inulin is :-

48 / 180

The tendency of population to remain in genetic equillibrium may be disturbed by :-

49 / 180

Which of the following statements is true of two genes that show 50% recombination frequency?

50 / 180

A test cross is carried out to :-

51 / 180

Tobacco plant resistant to a nematode have been developed by introduction of DNA that produced (in host cells).

52 / 180

How many of the following hormones are secreted by placenta during pregnancy HPL estrogen, progesterone FSH, Thyroxin, Cortisol, LH, Prolactin, relaxin.

53 / 180

When there is a sudden loss of blood from the body the organ which supplies blood is :-

54 / 180

Menstrual cycle is initiated by :–

55 / 180

At the time of parturition oxytocin release from.

56 / 180

Correct sequence for milk ejection are :

57 / 180

Unitegmic ovule is found in

58 / 180

Consider the following statements-
(i) In angiosperm a typical embryosac at  maturity is 7 nucleated, 8 celled.
(ii) Fertilization is angiosperm is called double fertilization because two polar nuclei and one male gamete fused.
(iii) Formation of endosperm always preceds development of the embriyo.
Which of the above statements is/are correct?

59 / 180

Which one the correct match from the following ?

60 / 180

Identify the correct match from the Column I, II and III.

61 / 180

Which of the following type of ovule is also called resupinate ovule ?

62 / 180

Given below is the diagrammatic sketch of a structure of maize seed. Identify the parts labelled A, B, C and D and select the right option about them:-

63 / 180

Sensory neurons are found in the dorsal root of spinal cord. Which is.

64 / 180

Thyroxine is a.

65 / 180

Injury to adrenal cortex is not likely to affect the secretion of which one of the following hormone

66 / 180

The cavity of mid ear is connected to the cavities of mouth by a tube called

67 / 180

The Tympanic membrane is connected to

68 / 180

The type of muscles present in our :

69 / 180

Which statement is wrong ?

70 / 180

In human being, the second cervical vertebral helps in rotatory movements of head through knob-like process called :-

71 / 180

Which one of the following is the correct match of digestive enzyme and substrate.

72 / 180

Bulk of carbon dioxide (CO2) released from body tissues into the blood is present as :

73 / 180

Maximum absorption of digested food takes place in :-

74 / 180

Surgical removal of gall bladder in human beings would lead to

75 / 180

Glucose,galactose and fructose all have the same molecular size and composition and their absorption through the mucosal cells takes place :-

76 / 180

Which one of the following is not a source of natural CK ?

77 / 180

Which one of the following hormone play important role in seed development, maturation and dormancy :-

78 / 180

(A) PGRs are complex, organic and inter cellular factors.
(B) PGRs are nongenetic factors

79 / 180

Low temperature treatment to speed up the process of flowering is referred to as :-

80 / 180

Find the incorrect match :-

81 / 180

Activation for alcohol dehydrogenase and nitrogenase are respectively :-

82 / 180

How many of the following purpose carried transpiration ?
(i) Creates transpirational pull for absorption of water
(ii) Supplies water for photosynthesis
(iii) Transport minerals in every direction with in a plant
(iv) Cools leaf surface
(v) Maintains the shape and structure of the plant

83 / 180

Refer the given figure. What does it represent?

84 / 180

Prophase I is divided into how many phases based on chromosomal behaviour ?

85 / 180

Synaptonemal complex is formed in :-

86 / 180

In primary structure of protein :-

87 / 180

Sequence or positional information of amino acid is given by the :-

88 / 180

Resistance to antibiotics is conferred by :-

89 / 180

What is the length of mycoplasma cell ?

90 / 180

Cell had a thin outer layer which is known as "Plasma membrane" who reported this ?

91 / 180

The equation for the position of train starting at x = 0 m is given by  x = 0.5t2 + bt3 , here t is time. The dimensions of b is :

92 / 180

Two vectors A and B have magnitudes 2 and 1 respectively. If the angle between A and B is 60°, then which of the following vectors may be equal to 0.5A– B  ?

 

93 / 180

Which of the following is related with characteristic emission of X-ray :–

94 / 180

Half-life of radioactive sample, when activity of material initially was 8 counts and after 3 hours it becomes 1 count, is

95 / 180

The following figure shows a logic gate circuit with two inputs A and B and the output Y. The voltage waveforms of A, B, and Y are as given?

The logic gate is :-

96 / 180

If λmax  is 6563 Å, for Balmer series of a particular atom then wavelength of second line for Balmer series will be

97 / 180

For a CE amplifier, current gain is 69. If the emitter current is 7 mA then the base current and collector current will be -

98 / 180

A ray of light is incident on an equilateral glass prism placed on a horizontal table. For minimum deviation which of the following is true ?

99 / 180

The observer at O views two closely spaced spots on a vertical wall through an angled glass slab as shown. As seen by observer, the spots appear.

100 / 180

In an experiment, electrons are made to pass through a narrow slit of width 'd' comparable to their de-Broglie wavelength. They are detected on a screen at a distance 'D' from the slit (see figure). Which of the following graphs can be expected to represent the number of electrons 'N'detected as a function of the detector position 'y' (y = 0 corresponds to the middle of the slit) ?

101 / 180

Two beams of light having intensities I and 4I interfere to produce a fringe pattern on a screen. The phase difference between the beams is π/2 at point A and π at point B. Then the difference between the resultant intensities at A and B is :

102 / 180

The path Difference between the two waves

103 / 180

Mechanical wave (sound wave) in a gas is :-

104 / 180

How long after the begining of motion is the displacement of a harmonically oscillating particle equal to one half its amplitude if the period is 12 sec and particle starts from rest :-

105 / 180

How long after the begining of motion is the displacement of a harmonically oscillating particle equal to one half its amplitude if the period is 12 sec and particle starts from rest :-

106 / 180

A body is executing simple Harmonic motion. At a displacement x it's potential energy is E1 and at a displacement y, its potential energy is E2. The Potential energy E at a displacement (x + y) is :-

107 / 180

Energy is being emitted from the surface of a black body at 127°C temperature at the rate of 1.0 × 106 J/s–m2. Temperature of the black body at which the rate of energy emission is 16.0×106 J/s–m2 will be:

108 / 180

5.6 liter of helium gas at STP is adiabatically compressed to 0.7 liter. Taking the initial temperature to be T1, the magnitude work done in the process is

109 / 180

If the internal energy of  n1 moles of He at temperature 10T is equal to the internal energy of n2 mole of hydrogen at temperature 6T. The ratio of  n1/n is

110 / 180

50 gm of copper is heated to increase its temperature by 10°C. If the same quantity of heat is given to 10 gm of water, the rise in its temperature is:

(Specific heat of copper =420 Joule kg-1 °C-1)

 

 

111 / 180

A 20 cm long capillary tube is dipped in water. The water rises upto 8 cm. If the entire arrangement is put in a freely falling elevator, the length of water column in the capillary tube will be-

112 / 180

If S is stress and Y is Young's modulus of material of a wire, the energy stored in the wire per unit volume is-

(a) 2S2Y

(b) S2/2Y

(c) 2Y/S2

(d) S/2Y

 

113 / 180

From a solid sphere of mass M and radius R a cube of maximum possible volume is cut.Moment of inertia of cube about an axis passing through its centre and perpendicular to one of its faces is :-

114 / 180

A particle of mass m moves along line PC with velocity v as shown.What is the angular momentum of the particle about O ?

 

115 / 180

From a solid sphere of mass M and radius R, a spherical portion of radius R2 is removed, as shown in the figure. Taking gravitational potential V = 0 at r = ∞, the potential at the centre of the cavity thus formed is : (G = gravitational constant)

116 / 180

Two particles of equal mass 'm' go around a circle of radius R under the action of their mutual gravitational attraction. The speed of each particle with respect to their centre of mass is:-

117 / 180

In the EM wave the amplitude of magnetic field H and the amplitude of electric field E0 at any place are related as :-

118 / 180

In a step-up transformer, the turn ratio is 1 : 2. A Leclanche cell (e.m.f. 1.5V) is connected across the primary. The voltage developed in the secondary would be :-

119 / 180

In a dc motor, induced e.m.f. will be maximum :-

120 / 180

If the force between the electron in the first Bohr orbit and the nucleus (proton) in hydrogen atom is F, then the force between them when the electron is in the second orbit is :-

121 / 180

The value of current through 20Ω resistor is :-

122 / 180

Two cells of e.m.f. s E1 and E2 and of negligible internal resistances are connected with two variable resistors as shown in Fig. When the galvanometer shows no deflection, the values of the resistances are P and Q. What is the value of the ratio E2/E1?

123 / 180

In the circuit shown in the figure, C = 6 µF. The charge stored in the capacitor of capacity C is :-

124 / 180

Two capacitors C1 and C2 = 2C1 are connected in a circuit with a switch between them as shown in the figure. Initially the switch is open and C1 holds charge Q. The switch is closed. At steady state, the charge on capacitors will be :-

125 / 180

A charged particle is moving in a circular orbit of radius 6 cm with a uniform speed of 3 × 106 m/s under the action of a uniform magnetic field 2 × 10-4 Wb/m2 which is at right angles to the plane of the orbit. The charge to mass ratio of the particle is :-

(a) 5 × 109 C/kg

(b) 2.5 × 1011 C/kg
(c) 5 × 1011 C/kg

(d) 5 × 1012 C/kg

126 / 180

A copper wire of resistance 10Ω is in the form of a perfect circle. Two points A and B on it are connected to a battery of emf 5 V and internal resistance 0.5 Ω. The two segments of the circle have lengths in the ratio 2 : 3. The net magnetic induction at the centre of the circle is :-

127 / 180

Two long straight conductors with currents I1 and I2 are placed along X and Y-axes. The equation of locus of points of zero magnetic induction is :-

128 / 180

If the system is released, then the acceleration of the centre of mass of the system is :

129 / 180

A body of mass 2 kg moving with a velocity(ˆi  + ˆj+ kˆ )m/s collides with another body of mass 5 kg moving with velocity(ˆi – 2ˆj + 3kˆ )m/s. If they stick together, the velocity (in m/s) of the composite body is :

130 / 180

A disc initially at rest, is rotated about its axis with a uniform angular acceleration. In the first 2 s, it rotates an angle θ. In the next 2s, the disc will rotate through an angle: