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BIOLOGY FULL SYLLABUS TEST-17

2

TEST SYLLABUS : FULL BIOLOGY

Your Target is to secure Good Rank in NEET - 2020

Important Instructions:

(1) There is only one correct option.

(2) Duration of Test is 1 Hour and Questions Paper Contains 90 Questions. The Max. Marks are 360.

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

1 / 90

The fluidity of membranes in a plant in cold weather may be maintained by

2 / 90

Baculoviruses are excellent candidates for

3 / 90

A trace element essential for plant growth and radioisotope, which is used in cancer therapy is

4 / 90

Which one of the following combinations of organisms are responsible for the formation and flavour of yoghurt?

5 / 90

Which part of the coconut produces coir?

6 / 90

The given diagram shows microsporangium of a mature anther. Identify A, B and C.

7 / 90

Which hormone is related to mineral metabolism but is not a peptide / protein in nature ?

8 / 90

The most basic amino acid is

9 / 90

Cirrhosis of liver is caused by the chronic intake of

10 / 90

The first dicarboxylic acid in Krebs’ cycle is

11 / 90

Poison glands of snake are modified

12 / 90

Quantasomes are found in

13 / 90

Siliceous frustules of diatoms being indestructible, piled up at the bottom of ocean and formed a thick bed over billions of years. Such a thick bed is known as

14 / 90

The phenomenon of plasmolysis is evident when cells are kept in

15 / 90

Which of the following are correct?

16 / 90

Function of suspensor of embryo is

17 / 90

If a farmer has a soil with little phosphorus and a very high pH, what should be applied?

18 / 90

Endocrine glands have ______ to carry their secretions to the specific organ.

19 / 90

Hydroponics or soilless culture helps is knowing

20 / 90

Mark the incorrect statement

21 / 90

Read the following five statements (i – v) and answer the question.
(i) In Equisetum, the female gametophyte is retained on the parent sporophyte.
(ii) In Ginkgo, male gametophyte is not independent.
(iii) The sporophyte in Riccia is more developed than that in Polytrichum.
(iv) Sexual reproduction in Volvox is isogamous.
(v) The spores of slime molds lack cell walls.

How many of the above statements are correct?

22 / 90

Bee dances are meant for

23 / 90

Emasculation is not required when flowers are

24 / 90

Which one of the following pairs is not correctly matched :

25 / 90

Telomere and eukaryotic chromosome possesses short segments of

26 / 90

Splitting of centromere and hence separation of chromatids occur during

27 / 90

The pattern of contraction and relaxation of the heart is referred to as

28 / 90

The lactic acid generated during muscle contraction is converted to glycogen in

29 / 90

The flow chart given below represents the process of recombinant DNA technology. Identify A, B, C and D.

30 / 90

Select the correct option showing the life cycle of Plasmodium.

31 / 90

Identify the human developmental stage shown below as well as the related right place of its occurrence in a normal pregnant woman, and select the right option for the two together.

32 / 90

The contractile protein of skeletal muscle involving ATPase activity is

33 / 90

The common bottle cork is a product of

34 / 90

Which of the following statements are true ?

(i) The blood transports CO2 comparatively easily because of its higher solubility.
(ii) Approximately 8-9% of CO2 is transported being dissolved in the plasma of blood.
(iii) The carbon dioxide produced by the tissues, diffuses passively into the blood stream and passes into red blood corpuscles and react with water to form H2CO3.
(iv) The oxyhaemoglobin (HbO2) of the erythrocytes is basic.
(v) The chloride ions diffuse from plasma into the erythrocytes to maintain ionic balance.

35 / 90

What is the figure given below showing in particular ?

36 / 90

Which of the following hormones does not naturally occur in plants?

37 / 90

The condition of excess urea in blood is known as

38 / 90

A cell cannot divide if it does not cross

39 / 90

Which plays an important role in the dispersal of spores in Funaria?

40 / 90

Select the incorrect match of the type of plant to its example

41 / 90

Compensation point is

42 / 90

Water will be absorbed by root hairs when

43 / 90

The process in which mature differentiated cells reverse to meristematic activity to form callus is called

44 / 90

Which one of the following statement is true?

45 / 90

B-DNA which is right-handed double helix contains ____ base pairs per turn of the helix and each turns is ____ long.

46 / 90

Most of the net primary productivity in an ecosystem is used for what purpose?

47 / 90

A vascular bundle in which the protoxylem is pointing to the periphery is called

48 / 90

Which one of the following micro-organisms is used for production of citric acid in industries?

49 / 90

Chordae tendinae are found in

50 / 90

The productivity of a crop declines when leaves begin to wilt mainly because

51 / 90

Which of the following types of phytohormones resemble the nucleic acids in some structural aspects ?

52 / 90

In a CAM plant, the concentration of organic acid

53 / 90

Choose odd w.r.t. collenchyma.

54 / 90

Select the correct statement.

55 / 90

Which of the following technique is used for the separation of DNA fragments ?

56 / 90

Addition of a solute to pure water causes

57 / 90

Which one of the following combination is mismatched?

58 / 90

Study the age pyramids given below and select the correct statements regarding these.

59 / 90

The functional unit of mammalian kidney is

60 / 90

Pineapple (ananas) fruit develops from

61 / 90

The species that invade a bare area are called

62 / 90

Which one of the following statement is correct?

63 / 90

Which of the following statement(s) is/are true?
(i) Biowar is the use of biological weapons against humans and /or their crops and animals.
(ii) Bioethics is the unauthorized use of bioresources and traditional knowledge related to bioresources for commercial benefits.
(iii) Biopatent is exploitation of bioresources of other nations without proper authorisation

64 / 90

Which of the following sets contains polysaccharides?

65 / 90

What mechanism explains the movement of sucrose from source to sink?

66 / 90

Final electron acceptor in oxidative phosphorylation is

67 / 90

During inspiration, the diaphragm

68 / 90

If turgor pressure becomes equal to osmotic pressure

69 / 90

Chemosensitive area of respiratory centre in medulla is affected is

70 / 90

Which one of the following generally acts as an antagonist to gibberellins?

71 / 90

In a raceme, the flowers are

72 / 90

Which one of the following techniques is safest for the detection of cancers?

73 / 90

Which one of the following statements is correct with respect to immunity?

74 / 90

Which one single organism or the pair of organisms is correctly assigned to its taxonomic group?

75 / 90

Thromboplastin is secreted by

76 / 90

Transition zone between two vegetations is

77 / 90

Given below is a pedigree chart showing the inheritance of a certain sex-linked trait in humans

The trait traced in the above pedigree chart is

78 / 90

Which one of the following is not a function of an ecosystem?

79 / 90

In a mRNA molecule, untranslated regions (UTRs) are present at

80 / 90

Osteoporosis is caused by

81 / 90

Which one of following feature is possessed by Crustaceans and not by insects?

82 / 90

Which one of the following process help the water- soluble inorganic nutrients go down into the soil horizon and get precipitated as unavailable salts?

83 / 90

Which one of the following is a correct statement?

84 / 90

Match Column-I with Column-II and select the correct option from the codes given below.

85 / 90

Which one is not a vestigial organ?

86 / 90

Identify the parts labelled as A, B, C and D in the given figure and select the correct option from the codes given below

87 / 90

N2 + 8e + 8H+ + 16 ATP →  2NH4+ + H2 + 16ADP + 16Pi

The above equation refers to

88 / 90

Which of the following statements are wrong?
(i) Leucocytes disintegrate in the spleen and liver.
(ii) RBC, WBC and blood platelets are produced by bone marrow.
(iii) Neutrophils bring about destruction and detoxification of toxins of protein origin.
(iv) The important function of lymphocytes is to produce antibodies.

89 / 90

A taxon facing an extremely high risk of extinction in wild in the immediate future is called

90 / 90

If receptor molecule is removed from target organ for hormone action, the target organ will

Your score is

The average score is 24%

0%

BIOLOGY FULL SYLLABUS TEST-16

1

TEST SYLLABUS : FULL BIOLOGY

Your Target is to secure Good Rank in NEET - 2020

Important Instructions:

(1) There is only one correct option.

(2) Duration of Test is 1 Hour and Questions Paper Contains 90 Questions. The Max. Marks are 360.

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

1 / 90

The amalgamation for six-kingdom classification into domains given by Carl Woese was based upon

2 / 90

Geometric representation of age structure is a characteristic of

3 / 90

In animal cells, cytokinesis involves

4 / 90

Sexual reproduction in Spirogyra is an advanced feature because it shows

5 / 90

Which of the following element is necessary for translocation of sugars in plants ?

6 / 90

Medical Termination of Pregnancy (MTP) is considered safe up to how many weeks of pregnancy?

7 / 90

Which one of the following is the correct difference between rod cells and cone cells of our retina?

8 / 90

Which of the following does not have stomata?

9 / 90

The structure which prevents the entry of food into the windpipe is

10 / 90

When a photosynthetic plant is transferred to an atmosphere of enriched O2, its rate of

11 / 90

What is true for monoclonal antibodies?

12 / 90

The class of enzymes that catalyze the removal of a group from a substrate without addition of water, leaving double bonds, is

13 / 90

Which of the following is pair of bio-fertilizers?

14 / 90

Which of the following statements about human pregnancy and fetal development is false?

15 / 90

The urine under normal conditions does not contain glucose because

16 / 90

Which word combination applies to stratified squamous epithelium ?

17 / 90

What is the similarity between gymnosperms and angiosperms ?

18 / 90

Which one is correct match
A. Soil .......I. Recharge
B. Ground water ......II. Rotational grazing
C. Forest management ......III. Reverine forest
D. Grassland.......... IV. Taungya
management .......V. Erosion

E. Wetland ..........VI. Energy

19 / 90

In an egg, the type of cleavage is determined by

20 / 90

Which one of the following statements is incorrect about menstruation?

21 / 90

In which condition, the gene ratio remains constant for any species?

22 / 90

Spending the dry hot period in an inactive state by an animal is

23 / 90

The Z-scheme refers to

24 / 90

If for some reason, the vasa efferentia in the human reproductive system gets blocked, the gametes will not be transported from

25 / 90

All but one of the following bones are found in the human appendicular skeleton. Select the exception.

26 / 90

Which of the following statements about nitrogen fixation is false ?

27 / 90

In which of the following animals, respiration occurs without any respiratory organ?

28 / 90

Continued consumption of a diet rich in butter, red meat and eggs for a long period may lead to

29 / 90

If by radiation all nitrogenase enzymes are inactivated, then there will be no

30 / 90

Which of the following type of enzyme is not matched correctly with the molecule that it breaks down?

31 / 90

The scientific value of a “DNA chip” is that

32 / 90

Phosphorus is a sedimentary nutrient. This means it

33 / 90

In laboratory experiments, two species of the protist Paramecium were grown alone and in the presence of the other species. The following graphs show growth of species 1 (left) and species 2 (right), both alone and when in mixed culture.

Interpretation of these graphs shows that

34 / 90

Which of the following shows the correct graph of arithmetic growth?

35 / 90

Which one of the following is the matching pair of a sanctuary and its main protected wild animals :

36 / 90

Cow’s milk is slightly yellowish in colour due to the presence of

37 / 90

In human heart, which of the following valve remains in contact of the oxygenated blood only?

38 / 90

Which of the following is a component of vitamin (thiamine, biotin), Acetyl CoA, cysteine, methionine and ferrerdoxin?

39 / 90

Retention of larval characters even after sexual maturity is called

40 / 90

About 70% of CO2 is transported as

41 / 90

In meiosis, actual haploidy in terms of DNA comes in

42 / 90

Moniliform or beaded roots are storage root in

43 / 90

Common enzyme in glycolysis and pentose phosphate pathways is

44 / 90

The basis of karyotaxonomy is

45 / 90

Proton pumps in the plasma membranes of plant cells may

46 / 90

In angiospermic plant having chromosome number of 12 will have chromosome number in integuments and nucellus of

47 / 90

Which of the following sets of vertebrate hormones are all produced in the anterior pituitary gland ?

48 / 90

Frequency of sound is discriminated by

49 / 90

Find the incorrect match

50 / 90

Meningitis, a disease which is responsible for damage of the membrane of the brain, is caused by :

51 / 90

Humerus differs from the femur in having:

52 / 90

Which one is a C4-plant?

53 / 90

Which one of the following insecticides is more stable in the environment?

54 / 90

Saltatory conduction of nerve impulse takes place through :

55 / 90

In an experiment, mature leaves on the plant were enclosed for a fixed amount of time in a transparent bag that had radioactive CO2. In which part of the plant will maximum radioactivity be found after some time?

56 / 90

Ultrasound of how much frequency is beamed into human body for sonography?

57 / 90

During blood typing, agglutination indicates that the

58 / 90

Bacteria lack alternation of generation because there is

59 / 90

Which of the following amino acid has a hydroxyl group?

60 / 90

Which one of the following is an example of Exsitu conservation?

61 / 90

Tomatoes exhibiting delayed ripening were developed by a biotechnique that involved:

62 / 90

In Chlorophyceae, sexual reproduction occurs by

63 / 90

Cry I endotoxins obtained from Bacillus thuringiensis are effective against

64 / 90

Collenchyma differs from parenchyma in having

65 / 90

Transgenic plants are the ones:

66 / 90

Aquaporins are

67 / 90

The main organelle involved in modification and routing of newly synthesized proteins to their destinations is

68 / 90

Fibrous root system is better adapted than tap root system for

69 / 90

Homeobox polypeptide segments

70 / 90

If the forest cover is reduced to half, what is most likely to happen on a long term basis ?

71 / 90

In negative operon

72 / 90

Genetic material of TMV is

73 / 90

Which one of the following categories of animals, is correctly described with no single exception in it?

74 / 90

Layer of cells that secrete enamel of tooth is

75 / 90

Which one of the following statement regarding auxin is/are correct?

76 / 90

The polynucleated condition appeared by free nuclear division without cytokinesis is

77 / 90

Velamen is found in

78 / 90

In which part of the brain corpora quadrigemina is located?

79 / 90

Types of coiling found during mitosis is

80 / 90

Which of the following glands grows to the maximum size at puberty and then diminishes gradually?

81 / 90

Which of the following is an important intermediate found in all the types of respiration?

82 / 90

The alveoli contain specialized cells that secrete a phospholipoprotein complex known as pulmonary surfactant. The function of pulmonary surfactant is :

83 / 90

Which is not correct with respect to human kidney?

84 / 90

Blood plasma contains proteins but glomerular filtrate does not. Why does this difference in composition occur?

85 / 90

Which one among the following chemicals is used for causing defoliation of forest trees?

86 / 90

The diagram below summarises the stages involved in respiratory metabolism of mammalian skeletal muscle.

Stage 4 in the diagram occurs in mammalian muscle cells under anaerobic conditions. Why is surge 4 necessary?

87 / 90

Which of the following plant shows multiple epidermis?

88 / 90

When two gray-bodied fruit flies are mated, their offspring total 86 gray-bodied males, 81 yellowbodied males, and 165 gray-bodied females. The allele for yellow body is

89 / 90

Major aerosol pollutant in jet plane emission is

90 / 90

Myocardial Infarction is caused by

Your score is

The average score is 16%

0%

BIOLOGY FULL SYLLABUS TEST-15

1

TEST SYLLABUS : FULL BIOLOGY

Your Target is to secure Good Rank in NEET - 2020

Important Instructions:

(1) There is only one correct option.

(2) Duration of Test is 1 Hour and Questions Paper Contains 90 Questions. The Max. Marks are 360.

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

1 / 90

A few organisms are known to grow and multiply at temperatures of 100–105ºC. They belong to

2 / 90

Archaeopteryx is connecting link between

3 / 90

The first clinical gene therapy was given for treating

4 / 90

Plants die from prolonged water-logging because

5 / 90

Reabsorption of chloride ions from glomerular filtrate in kidney tubule occurs by

6 / 90

Which of the following hormone prevents ripening of fruit?

7 / 90

In myopia or short sightedness

8 / 90

What would happen if human blood becomes acidic (low pH)

9 / 90

Which one of the following statement is false?
(i) Epidermal cell has small amount of cytoplasmand a large vacuole.
(ii) Waxy cuticle layer is absent in roots.
(iii) Root hairs are unicellular, while stem hairs /trichomes are multicellular.
(iv) Trichomes may be branched or unbranched,soft or stiff and prevent transpiration.
(v) Guard cells are dumbell shaped in dicots and bean-shaped in monocots.

10 / 90

Which one of the following represents an ovule, where the embryo sac becomes horse-shoe shaped and the funiculus and micropyle are close to each other?

11 / 90

Which of the following diseases is caused by the under secretion of cortisol?

12 / 90

A group of fungi with septate mycelium in which sexual reproduction is either unknown or lacking are classified under

13 / 90

Red snow causing alga is

14 / 90

Tadpoles of frog can be made to grow as giant sized tadpoles, if they are

15 / 90

Which one of the following pairs of hormones are the examples of those that can easily pass through the cell membrane of the target cell and bind to a receptor inside it (Mostly in the nucleus)?

16 / 90

In Aristolochia, the pericycle is :

17 / 90

Which one of the following is a matching pair?

18 / 90

The graph shows the relation between light intensity and the giving off and taking up of carbon dioxide by the leaves of a plant. Why is most carbon dioxide given off when the light intensity is zero units ?

19 / 90

Which muscle group contracts when the patellar ligament is struck with a hammer (knee reflex)?

20 / 90

Which of the following statements about nitrification is not true ?

21 / 90

If an angiospermic male plant is diploid and female plant tetraploid, the ploidy level of endosperm will be

22 / 90

Diversity in the type of beaks of finches adapted to different feeding habits on the Galapagos Islands, as observed by Darwin, provides evidence for

23 / 90

Which of the following photosynthetic bacteria have both PS-I and PS-II ?

24 / 90

Erythroblastosis foetalis occurs when

25 / 90

If cardiac supply of vagus nerve is cut then

26 / 90

Which of the following set of animals has an incomplete double circulation system?

27 / 90

Which of the following layer is present nearest of plasma membrane in plant cell?

28 / 90

Milky water of green coconut is

29 / 90

Minimum regeneration power is found in

30 / 90

When the members of one population do not breed at the same time of the year as the members of another population it is called

31 / 90

Biolistics (gene-gun) is suitable for

32 / 90

Match the following
A. Succession .......(i) Tansley
B. Ecosystem .......(ii) Mobius
C. Biocoenosis .....(iii) Hult
D. Acid Rain .........(iv) Robert Augus

33 / 90

Find the correct match
A. Royal fern .......(i) Adiantum
B. Marshy fern.... (ii) Osmunda
C. Grape fern...... (iii) Marsilea
D. Walking fern.... (iv) Botrychium

34 / 90

Every time you eat a cookie or candy bar, your blood sugar increases. This triggers an increase in the hormone

35 / 90

Which one of the following is the major difference between mosses and ferns ?

36 / 90

Iso-enzymes may be identified or separated by all the following characteristics, except :

37 / 90

Structure connecting the foetus to placenta is

38 / 90

Solenocytes and metanephridia are excretory organs of

39 / 90

Species diversity increase as one proceeds from

40 / 90

In C4 plants, agranal chloroplasts are found in

41 / 90

Which of the following sets represents vestigial organs?

42 / 90

Sacred groves are specially useful in

43 / 90

Newly born child is more resistant to cold because of the presence of

44 / 90

Sequence of meninges from inner to outside is

45 / 90

How many meiotic division would be required to produce 101 female gametophytes in an angiosperm?

46 / 90

Bacterial cells are often found in very hypotonic environments. Which of the following characteristics keeps them from continuing to take on water from their environment?

47 / 90

option that has both correct statements
(i) MTP was legalized in 1971
(ii) Inability to conceive or produce children even after 2 years of unprotected sexual cohabitation is called infertility
(iii) Surgical method of contraception prevents gamete formation
(iv) MTPs are relatively safe up to 12 weeks of pregnancy

48 / 90

Which option is true about heart wood/ duramen?
(i) It does not help in water and mineral conduction.
(ii) It is dark coloured but soft.
(iii) It has tracheary elements filled with tannins, resins, gums, oil, etc.
(iv) It is a peripheral part.
(v) Sensitive to microbes and insects, hence least durable.

49 / 90

Which one of the following graphs most closely represents the relationship between the rate of transpiration of a mesophytic leaf and the atmospheric humidity ?

50 / 90

Which hormone-bone cell combination may result in osteoporosis ?

51 / 90

Joint between bones of human skull is

52 / 90

The chemical substance found in the surface layer of cytoplasm of spermatozoa is:

53 / 90

Read the following four statements (i - iv).
(i) In transcription, adenosine pairs with uracil.
(ii) Regulation of lac operon by repressor is referred to as positive regulation.
(iii) The human genome has approximately 50,000 genes.
(iv) Haemophilia is a sex-linked recessive disease.
How many of the above statements are correct?

54 / 90

Taxonomic hierarchy refers to

55 / 90

In India which of the following species of honey bee is reared in artificial hives ?

56 / 90

Which one of the following pairs of chemical substances is correctly categorized?

57 / 90

Pancreatic cancer is an especially dangerous disease in people because the pancreas is

58 / 90

Which of the following is found in the lymph nodes of a person battling a cold virus?

59 / 90

Look at the following pedigree chart. On what basis the trait represented by the solid symbols in the pedigree below cannot be explained ?

(i) A dominant sex linked gene
(ii) A recessive sex linked gene
(iii) A holandric gene
(iv) A sex limited autosomal dominant
(v) A sex limited autosomal recessive
(vi) A sex influenced autosonal gene dominat in males
(vii) A sex influenced autosomal gene recessive in males

60 / 90

The interaction is detrimental to both the species in

 

61 / 90

Common indicator organism of water pollution is

62 / 90

Atrial natriuretic factor (ANF) is released in response to the increase in blood volume and blood pressure. Which of the followings is not the function of ANF?

63 / 90

Which of the following bacteria is used for the production of butanol and acetone from starch?

64 / 90

In gymnosperms, the ovule is naked because

65 / 90

Which of the following statement (s) is/are incorrect?
(i) Calyx and corolla are reproductive organs of a flower.
(ii) Zygomorphic flower can be divided into two equal radial halves in any radial plane.

(iii) Flowers without bracts are termed as bracteate.
(iv) Parthenocarpic fruit fertilization of the ovary.

(v) In legumes, seed is non-endospermic.
(vi) Radical buds develop on roots.

66 / 90

Which part of the alimentary canal does not secrete any enzyme?

67 / 90

Oxysomes or F0 – F1 particles occur on

68 / 90

Metanephric kidneys are found in

69 / 90

The number of chromatids in a chromosome at anaphase is

70 / 90

Photorespiration is favoured by

71 / 90

The protein coated, water soluble fat globules are called

72 / 90

What is true about t-RNA?

73 / 90

Cholecystokinin is secretion of

74 / 90

Ankle joint is

75 / 90

Out of 36 ATP molecules produced per glucose molecule during respiration

76 / 90

Which of the following organisms is capable of producing gametes containing different sex chromosomes ?

77 / 90

A plant completing its life cycle before the onset of dry condition is said to be

78 / 90

DDT causes egg shell thinning in birds because it inhibits

79 / 90

Gibberellin was first extracted from

80 / 90

Where do certain symbiotic micro-organisms normally occur in human body?

81 / 90

Damage to the nerve connecting the saccule and utricle to the brain could result in

82 / 90

A person entering an empty room suddenly finds a snake right in front on opening the door. Which one of the following is likely to happen in his neuro-hormonal control system ?

83 / 90

Plectenchyma is tissue composed of :

84 / 90

Classification of organisms based on evolutionary as well as genetic relationships is called

85 / 90

The volume of air breathed in and out during normal breathing is called

86 / 90

In the choices below, which is not a correct pairing of a macronutrient and the major functions it performs in the life of a plant ?

87 / 90

Which one of the following is the correct description of a certain part of the normal human skeleton ?

88 / 90

A decrease in the level of oestrogen and progesterone causes

89 / 90

Which of the following statements is/are not true?
(i) In Urochordata, notochord is present in larval tail.
(ii) In Cephalochordata, notochord extends from head to tail region.
(iii) Branchiostoma belongs to hemichordata.
(iv) Only one class of living members, class
Cyclostomata represents the super class Agnatha

90 / 90

The fibres of the following muscles are fusiform and do not show striations

Your score is

The average score is 21%

BIOLOGY FULL SYLLABUS TEST-14

0

TEST SYLLABUS : FULL BIOLOGY

Your Target is to secure Good Rank in NEET - 2020

Important Instructions:

(1) There is only one correct option.

(2) Duration of Test is 1 Hour and Questions Paper Contains 90 Questions. The Max. Marks are 360.

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

1 / 90

select the two correct ones out of them:
(i) A lion eating a deer and a sparrow feeding on grain are ecologically similar in being consumers
(ii) Predator star fish Pisaster helps in maintaining species diversity of some invertebrates
(iii) Predators ultimately lead to the extinction of prey species
(iv) Production of chemicals such as nicotine, strychnine by the plants are metabolic disorders
The two correct statements are:

2 / 90

The amino acid which has maximum buffering capacity at physiologic pH is:

3 / 90

Correct sequence of cell stages in spermatogenesis is:

4 / 90

Given below is the pathway of light reaction. Identify the given blanks indicated by A, B, C, D and E.

5 / 90

In oogamy, fertilization involves

6 / 90

In which of the following cell organelles would you expect to find the biochemical reactions that harness energy from the breakdown of sugar molecules to synthesize large amounts of ATP?

7 / 90

The genetically-modified (GM) brinjal in India has been developed for:

8 / 90

Unisexuality of flowers prevents

9 / 90

Even after killing the generative cell with a laser beam, the pollen grain of a flowering plant germinates and produces normal pollen tube because :

10 / 90

Find out the incorrect answer from the following?

11 / 90

Which animal needs to drink the smallest amount of water to maintain its water balance?

12 / 90

When gynoecium is present in the top most position of thalamus, the flower is known as