The given diagram shows different parts of human eye with one part labeled as X. Which the following statement is correct regarding label X?

It is a biconcave structure that changes shape to bring objects into focus.

It is the opening in lens that permits light into the inner chambers of the eye.

It is the coloured portion of vascular tunic.

It is a biconcave structure that changes shape to bring objects into focus.

It is thick, jelly-like substance in the posterior compartment of the eye.

Read the assertion and reason carefully: Assertion : Whole compound leaf of Clematis converts into tendril. Reason : Gloriosa superba shows whole leaf tendril.

If both the assertion and reason are false

If both the assertion and the reason are true and the reason is a correct explanation of the assertion

If both the assertion and reason are true but the reason is not a correct explanation of the assertion

If the assertion is true but the reason is false

If both the assertion and reason are false

If the assertion is false but reason is true

The given figure refers to reproductive system of female cockroach. Choose the correct of non-showing the correct labellings indicated by A,

A-Phallic gland, B-Collateral glands, C-Gonapophyses

A-Spermatheca, B-Collateral glands, C-Gonapophyses

A-Phallic gland, B-Collateral glands, C-Gonapophyses

A-Spermatheca, B-Seminal vesicle, C-Gonapophyses

A-Spermatheca, B-Collateral glands, C-Tegmina

In cockroach, the number of ganglia are:

Three pairs thoracic and five pairs abdominal

Two pairs thoracic and four pairs abdominal

Three pairs thoracic and six pairs abdominal

Three pairs thoracic and five pairs abdominal

Two pairs thoracic and six pairs abdominal

Read the assertion and reason carefully: Assertion : Actinomorphic flowers show radial symmetry. Reason : Zygomorphic flowers have bilateral symmetry.

If both the assertion and reason are true but the reason is not a correct explanation of the assertion

If both the assertion and the reason are true and the reason is a correct explanation of the assertion

If both the assertion and reason are true but the reason is not a correct explanation of the assertion

If the assertion is true but the reason is false

If both the assertion and reason are false

If the assertion is false but reason is true

Which statement does not reflect a reason why grasses predominate in savannah?

Grasses grow well in fine, sandy soils.

There are few native herbivores in this biome.

Grasses grow well in fine, sandy soils.

The above ground portions of grass plants die during dry seasons.

The deep roots of the grasses can survive many months of drought.

A fall in ECF, \[{{K}^{+}}\] concentration would cause:

Decrease in membrane potential.

Hyperpolarisation of cell membrane.

Decrease in membrane potential.

Increases \[N{{a}^{+}}\] current into the cell.

Stimulation of electrogenic pump.

Given below are the different types of ovules. Identify A to F.

A-Anatropous, B-Campylotropous, C-Hemitropous, D-Amphitropous, E-Circinotropous, F-Orthotropous

A-Circinotropous, B-Amphitropous, C-Campylotropous, D-Hemitropous, E-Anatropous, F-Orthotropous

A-Campylotropous, B-Anatropous, C-Hemitropous, D-Amphitropous, E-Circinotropous, F-Orthotropous

A-Orthotropous, B-Anatropous, C-Hemitropous, D-Campylotropous, E-Amphitropous, F-Circinotropous

A-Anatropous, B-Campylotropous, C-Hemitropous, D-Amphitropous, E-Circinotropous, F-Orthotropous

Read the assertion and reason carefully: Assertion : Runners are underground stem. Reason : Runners bear node and internodes.

If both the assertion and the reason are true and the reason is a correct explanation of the assertion

If both the assertion and reason are true but the reason is not a correct explanation of the assertion

If the assertion is true but the reason is false

If both the assertion and reason are false

If the assertion is false but reason is true

Which of the following ion is necessary-for the contraction of a muscle and nerve impulse transmission?

\[\text{C}{{\text{a}}^{+}}^{\text{+}}\]

In laboratory experiments, two species of the protist Paramoecium were grown alone and in the presence of the other species. The following graphs show growth of species 1 (left) and species 2 (right), alone and when in mixed culture. Interpretation of these graphs shows that:

both species are affected equally by interspecific competition.

competitive exclusion occurred in the these experiments.

both species are affected by interspecific competition but species 1 is less affected.

both species are affected by interspecific competition but species 2 is less affected.

both species are affected equally by interspecific competition.

Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : Regeneration blastema is a bud-like structure formed during regeneration of limb in salamander. Reason : Formation of regeneration blastema involves dedifferentiation.

If the assertion is true but the reason is false

If both the assertion and the reason are true and the reason is a correct explanation of the assertion

If both the assertion and reason are true but the reason is not a correct explanation of the assertion

If the assertion is true but the reason is false

If both the assertion and reason are false

If the assertion is false but reason is true

Consider the following statements [A] - [D] each with one or two blanks.A. Lichens represent an intimate __(i)__ relationship between a fungus and __(ii)__.B. The __(iii)__ are associations between fungi and the roots of higher plants.C. Plants need the help of __(iv)__ for pollinating their flowers and dispersing their seeds.D. The __(v)__ pollinates the fig inflorescence while searching for suitable egg - laying sites.Which one of the following options, gives the correct fill ups for the respective blank numbers from (i) - (v) in the statements?

(i) Parasitic; (ii) - Cyanobacteria; (iii) - Mycorrhizae; (iv) - Insect; (v) Bumble bees

(i) Parasitic; (ii) - Cyanobacteria; (iii)- Mycorrhizae; (iv) - Wind; (v) - Bee

(i) Mutualistic; (ii) - Cyanobacteria; (iii) - Mycorrhizae; (iv) - Animals; (v) Wasp

(i) Parasitic; (ii) - Cyanobacteria; (iii) - Mycorrhizae; (iv) - Insect; (v) Bumble bees

(i) Mutualistic; (ii) - Cyanobacteria; (iii) - Lichen; (iv) - Wind; (v) Wasp

Which of the following represents the condition seen in the family composite [Manipal 2005]

Superior ovary, syngenesious, single basal ovule

Inferior ovary, monoadelphous, basal placentation

Inferior ovary, syngenesious, axile, placentation

Syngenesious, basal placentation and epigynous

The diaphragm, cervical cap and vaults are:

Disposable contraceptive devices

14620 + Mcqs in Biology in NEET Page 1 McqOptions

1.	Which part of the world has a high density of organisms?
A.	Grasslands
B.	Savannahs
C.	Deciduous forests
D.	Tropical rain forests
Answer» E.

Discussion

2.	The given diagram shows different parts of human eye with one part labeled as X. Which the following statement is correct regarding label X?
A.	It is the opening in lens that permits light into the inner chambers of the eye.
B.	It is the coloured portion of vascular tunic.
C.	It is a biconcave structure that changes shape to bring objects into focus.
D.	It is thick, jelly-like substance in the posterior compartment of the eye.
Answer» C. It is a biconcave structure that changes shape to bring objects into focus.

Discussion

3.	In dicots, the most common pollen tetrad is:
A.	Isobilateral
B.	Tetrahedral
C.	Linear
D.	Decussate
Answer» C. Linear

Discussion

4.	Which of the following plants yields oil and fibre both?
A.	Cocos nucifera
B.	Brassica campestris
C.	Eucalyptus
D.	Euphorbia hirta
Answer» B. Brassica campestris

Discussion

5.	Which of the following statement (s) is/are correct? (i) According to the WHO, reproductive health is total well-being in the physical, social, emotional, behavioural aspects of reproduction. (ii) According to the WHO, reproductive health is total well-being in the physical, social and emotional aspects of reproduction. (iii) A reproductively healthy society has people with physically and functionally normal reproductive organs. (iv) Reproductively healthy societies have abnormal sex-related emotional and behavioural interactions.
A.	(i), (ii) and (iii)
B.	(ii) and (iv)
C.	(i) and (iii)
D.	(i) only
Answer» D. (i) only

Discussion

6.	Read the assertion and reason carefully: Assertion : Whole compound leaf of Clematis converts into tendril. Reason : Gloriosa superba shows whole leaf tendril.
A.	If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B.	If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C.	If the assertion is true but the reason is false
D.	If both the assertion and reason are false
E.	If the assertion is false but reason is true
Answer» D. If both the assertion and reason are false

Discussion

7.	The given figure refers to reproductive system of female cockroach. Choose the correct of non-showing the correct labellings indicated by A,
A.	A-Spermatheca, B-Collateral glands, C-Gonapophyses
B.	A-Phallic gland, B-Collateral glands, C-Gonapophyses
C.	A-Spermatheca, B-Seminal vesicle, C-Gonapophyses
D.	A-Spermatheca, B-Collateral glands, C-Tegmina
Answer» B. A-Phallic gland, B-Collateral glands, C-Gonapophyses

Discussion

8.	In cockroach, the number of ganglia are:
A.	Two pairs thoracic and four pairs abdominal
B.	Three pairs thoracic and six pairs abdominal
C.	Three pairs thoracic and five pairs abdominal
D.	Two pairs thoracic and six pairs abdominal
Answer» C. Three pairs thoracic and five pairs abdominal

Discussion

9.	Read the assertion and reason carefully: Assertion : Actinomorphic flowers show radial symmetry. Reason : Zygomorphic flowers have bilateral symmetry.
A.	If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B.	If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C.	If the assertion is true but the reason is false
D.	If both the assertion and reason are false
E.	If the assertion is false but reason is true
Answer» B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion

Discussion

10.	For vegetative propagation, the vegetative part of the plant should have:
A.	A growing point
B.	Reserved food
C.	Leaf
D.	Both [a] and [b]
Answer» E.

Discussion

11.	Match column-I with column- II and select the correct answer using the codes given below. column-I(Name of the organism) column- II(Chromosome number in meiocyte) (2n) A. House fly I. 20 B. Fruit fly II. 34 C. Apple III. 8 D. Maize IV. 12
A.	A-II; B-III; C-IV; D-I
B.	A-III; B-IV; C-II; D-I
C.	A-IV; B-III; C-I; D-II
D.	A-IV; B-III; C-II; D-I
Answer» E.

Discussion

12.	Reproductive health in society can be improved by: (i) Introduction of sex education in schools. (ii) Increased medical assistance. (iii) Awareness about contraception and STDs. (iv) equal opportunities to male and female child. (v) Ban on aminocentesis. (vi) Encouraging myths and misconceptions.
A.	All of the above
B.	(i), (ii), (iv) and (vi)
C.	(i), (ii), (iii),(iv), and (v)
D.	(ii) and (v)
Answer» D. (ii) and (v)

Discussion

13.	Which statement does not reflect a reason why grasses predominate in savannah?
A.	There are few native herbivores in this biome.
B.	Grasses grow well in fine, sandy soils.
C.	The above ground portions of grass plants die during dry seasons.
D.	The deep roots of the grasses can survive many months of drought.
Answer» B. Grasses grow well in fine, sandy soils.

Discussion

14.	Match the given terms in column-I with its definition given in column-II and choose the correct options. Column-I Column-II A. Semi-circular canal I. Spiral organ of Corti B. Vestibule II. Fluid found in the scala vestibule and scala tympani. C. Cochlea III. Evaluates rotational motion D. Perilymph IV. Fluid found within the Organ of Corti E. Endolymph V. Responds to gravity and movements of the head
A.	A-III; B-V; C-I; D-II; E-IV
B.	A-I; B-II; C-III; D-IV; E-V
C.	A-II; B-III; C-IV; D-V; E-I
D.	A-IV; B-I; C-V; D-II; E-III
Answer» B. A-I; B-II; C-III; D-IV; E-V

Discussion

15.	A fall in ECF, \[{{K}^{+}}\] concentration would cause:
A.	Hyperpolarisation of cell membrane.
B.	Decrease in membrane potential.
C.	Increases \[N{{a}^{+}}\] current into the cell.
D.	Stimulation of electrogenic pump.
Answer» B. Decrease in membrane potential.

Discussion

16.	'Ishihara charts' are used by ophthalmologists to detect:
A.	Visual acuity
B.	Night blindness
C.	Colourblindness
D.	Microbial infection
Answer» D. Microbial infection

Discussion

17.	Given below are the different types of ovules. Identify A to F.
A.	A-Circinotropous, B-Amphitropous, C-Campylotropous, D-Hemitropous, E-Anatropous, F-Orthotropous
B.	A-Campylotropous, B-Anatropous, C-Hemitropous, D-Amphitropous, E-Circinotropous, F-Orthotropous
C.	A-Orthotropous, B-Anatropous, C-Hemitropous, D-Campylotropous, E-Amphitropous, F-Circinotropous
D.	A-Anatropous, B-Campylotropous, C-Hemitropous, D-Amphitropous, E-Circinotropous, F-Orthotropous
Answer» D. A-Anatropous, B-Campylotropous, C-Hemitropous, D-Amphitropous, E-Circinotropous, F-Orthotropous

Discussion

18.	If an angiospermic male plant is diploid and female plant tetraploid, the ploidy level of endosperm will be:
A.	Haploid
B.	Triploid
C.	Tetraploid
D.	Pentaploid
Answer» E.

Discussion

19.	Aleurone cells are present in endosperm of:
A.	Cereals
B.	Legumes
C.	Both [a] and [b]
D.	None of these
Answer» B. Legumes

Discussion

20.	Multinucleate condition is present in:
A.	Quiescent centre
B.	Maize
C.	Meristematic tissue
D.	Liquid endosperm of coconut
Answer» E.

Discussion

21.	Match the column-I with column-II and choose the correct option. Column-I Column-II A. Predation I. Cuscuta and Hedge plants B. Commensalism II. Balanus and Chthamalus C. Parasitism III. Cactus and Moth D. Competition IV. Orchid and Mango
A.	A-III, B-IV, C-I, D-II
B.	A-IV, B-III, C-II, D-I
C.	A-I, B-III, C-II, D-IV
D.	A-III, B-IV, C-II, D-I
Answer» B. A-IV, B-III, C-II, D-I

Discussion

22.	Read the assertion and reason carefully: Assertion : Runners are underground stem. Reason : Runners bear node and internodes.
A.	If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B.	If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C.	If the assertion is true but the reason is false
D.	If both the assertion and reason are false
E.	If the assertion is false but reason is true
Answer» F.

Discussion

23.	euteranopia is a disease when there is no perception of which of the following colour?
A.	Red
B.	Blue
C.	White
D.	Green
Answer» E.

Discussion

24.	Universal donor blood group is:
A.	AB
B.	0
C.	A
D.	B
Answer» C. A

Discussion

25.	Which of the following ion is necessary-for the contraction of a muscle and nerve impulse transmission?
A.	\[{{N}^{+}}\]
B.	\[{{K}^{+}}\]
C.	\[\text{C}{{\text{a}}^{+}}^{\text{+}}\]
D.	None of these
Answer» D. None of these

Discussion

26.	In order to obtain virus-free plants through tissue culture, the best method is:
A.	Embryo rescue
B.	Anther culture
C.	Meristem culture
D.	Protoplast culture
Answer» D. Protoplast culture

Discussion

27.	Yeast cell divides by
A.	Mitosis only
B.	Mitosis and Amitosis
C.	Endomitosis and Amitosis
D.	Mitosis and Endomitosis
Answer» C. Endomitosis and Amitosis

Discussion

28.	In laboratory experiments, two species of the protist Paramoecium were grown alone and in the presence of the other species. The following graphs show growth of species 1 (left) and species 2 (right), alone and when in mixed culture. Interpretation of these graphs shows that:
A.	competitive exclusion occurred in the these experiments.
B.	both species are affected by interspecific competition but species 1 is less affected.
C.	both species are affected by interspecific competition but species 2 is less affected.
D.	both species are affected equally by interspecific competition.
Answer» D. both species are affected equally by interspecific competition.

Discussion

29.	Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : Regeneration blastema is a bud-like structure formed during regeneration of limb in salamander. Reason : Formation of regeneration blastema involves dedifferentiation.
A.	If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B.	If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C.	If the assertion is true but the reason is false
D.	If both the assertion and reason are false
E.	If the assertion is false but reason is true
Answer» C. If the assertion is true but the reason is false

Discussion

30.	Gynostegium (Fusion of anthers with stigma) and pollinia are present in family [AMU 1997]
A.	Apocynaceae
B.	Asclepiadaceae
C.	Convolvulaceae
D.	Solanaceae/Cucurbitaceae
Answer» C. Convolvulaceae

Discussion

31.	"Jumping of the action potential" at the nodes of Ranvier is known as:
A.	Saltatory conduction
B.	Neurotransmission
C.	Recovery phase
D.	Active phase
Answer» B. Neurotransmission

Discussion

32.	Mechanical tissue is best developed in:
A.	Hydrophytes
B.	Halophytes
C.	Xerophytes
D.	Mesophytes
Answer» D. Mesophytes

Discussion

33.	Consider the following statements [A] - [D] each with one or two blanks.A. Lichens represent an intimate __(i)__ relationship between a fungus and __(ii)__.B. The __(iii)__ are associations between fungi and the roots of higher plants.C. Plants need the help of __(iv)__ for pollinating their flowers and dispersing their seeds.D. The __(v)__ pollinates the fig inflorescence while searching for suitable egg - laying sites.Which one of the following options, gives the correct fill ups for the respective blank numbers from (i) - (v) in the statements?
A.	(i) Parasitic; (ii) - Cyanobacteria; (iii)- Mycorrhizae; (iv) - Wind; (v) - Bee
B.	(i) Mutualistic; (ii) - Cyanobacteria; (iii) - Mycorrhizae; (iv) - Animals; (v) Wasp
C.	(i) Parasitic; (ii) - Cyanobacteria; (iii) - Mycorrhizae; (iv) - Insect; (v) Bumble bees
D.	(i) Mutualistic; (ii) - Cyanobacteria; (iii) - Lichen; (iv) - Wind; (v) Wasp
Answer» C. (i) Parasitic; (ii) - Cyanobacteria; (iii) - Mycorrhizae; (iv) - Insect; (v) Bumble bees

Discussion

34.	Which of the following floral parts forms pericarp after fertilisation?
A.	Nucellus
B.	Outer integument
C.	Ovary wall
D.	Inner integument
Answer» D. Inner integument

Discussion

35.	Plumule is produced from the:
A.	Proembryo
B.	Hypophysis
C.	Apical octant
D.	micropylar octant
Answer» D. micropylar octant

Discussion

36.	Which of the following represents the condition seen in the family composite [Manipal 2005]
A.	Superior ovary, syngenesious, single basal ovule
B.	Inferior ovary, monoadelphous, basal placentation
C.	Inferior ovary, syngenesious, axile, placentation
D.	Syngenesious, basal placentation and epigynous
Answer» E.

Discussion

37.	Which one of the following is an exotic Indian fish?
A.	Catla. Catia
B.	Heteropneustes fossilis
C.	Cyprinus carpio
D.	Labeo rohita
Answer» D. Labeo rohita

Discussion

38.	The yellow colouration of cow's milk is due to the:
A.	Presence of carotene
B.	Absence of casein
C.	Absence of casein
D.	Presence of lactose
Answer» B. Absence of casein

Discussion

39.	A pregnant woman who has done amniocentesis test finds an extra Ban- body in her embryo. The syndrome which is likely to be associated with the embryo is:
A.	Edward's syndrome
B.	Down's syndrome
C.	Klinefelter's syndrome
D.	Patau's syndrome
Answer» D. Patau's syndrome

Discussion

40.	Match column-I with column- II and select the correct answer using the codes given below. Column-I(Name of the organism) Column-II(Haploid chromosome number in gamete) A. Ophioglossum(fern) I. 23 B. Rice II. 24 C. Potato III. 12 D. Man IV. 630
A.	A-I; B-II; C-III; D-IV
B.	A-II; B-III; C-IV; D-I
C.	A-III; B-IV; C-II; D-I
D.	A-IV; B-III; C-II; D-I
Answer» E.

Discussion

41.	The diaphragm, cervical cap and vaults are:
A.	Disposable contraceptive devices
B.	Reusable contraceptives
C.	IUDs
D.	Implants
Answer» C. IUDs

Discussion

42.	The antibiotic obtained from the yeast is
A.	Ephedrin
B.	Saccharin
C.	Campestrin
D.	Polymixin
Answer» B. Saccharin

Discussion

43.	An oak tree produces thousands of acorns, but very few grow into mature oak trees. The oak tree exhibits a ___ survivorship curve.
A.	type I
B.	type II
C.	type III
D.	type I or II
Answer» D. type I or II

Discussion

44.	Carthamus tinctorium belongs to family [RPMT 1985]
A.	Asteraceae
B.	Solanaceae
C.	Malvaceae
D.	Fabaceae
Answer» B. Solanaceae

Discussion

45.	Famous Angora wool is obtained from:
A.	Goat
B.	Sheep
C.	Rabbit
D.	Arctic fox
Answer» D. Arctic fox

Discussion

46.	Chemically, the silk is:
A.	Cellulose
B.	Resin
C.	Protein
D.	Lipid
Answer» D. Lipid

Discussion

47.	Which part of the brain is more develop human?
A.	Medulla
B.	Cerebellum
C.	Cerebrum
D.	Optic lobes
Answer» D. Optic lobes

Discussion

48.	In which of the following condition, effect of atomic warfare are the development of buccalulcers, colon ulcer and lung infection, this is because of:
A.	Leukemia
B.	Erythropoiesis
C.	Anaemia
D.	Agranulocytosis
Answer» E.

Discussion

49.	In Klinefelter's syndrome, the sex chromosome compliment is:
A.	22AA+XXY
B.	22AA+XO
C.	22AA+XY
D.	22AA+XX
Answer» B. 22AA+XO

Discussion

50.	Marginal placentation is found in [AMU 1988; JIPMER 1990; CET Chd. 1997]
A.	Solanaceae
B.	Cruciferae
C.	Fabaceae/Leguminosae
D.	Asteraceae/Compositae
Answer» D. Asteraceae/Compositae

Discussion

Explore topic-wise MCQs in NEET.

Which part of the world has a high density of organisms?

The given diagram shows different parts of human eye with one part labeled as X. Which the following statement is correct regarding label X?

In dicots, the most common pollen tetrad is:

Which of the following plants yields oil and fibre both?

Read the assertion and reason carefully: Assertion : Whole compound leaf of Clematis converts into tendril. Reason : Gloriosa superba shows whole leaf tendril.

The given figure refers to reproductive system of female cockroach. Choose the correct of non-showing the correct labellings indicated by A,

In cockroach, the number of ganglia are:

Read the assertion and reason carefully: Assertion : Actinomorphic flowers show radial symmetry. Reason : Zygomorphic flowers have bilateral symmetry.

For vegetative propagation, the vegetative part of the plant should have:

Match column-I with column- II and select the correct answer using the codes given below. column-I(Name of the organism) column- II(Chromosome number in meiocyte) (2n) A. House fly I. 20 B. Fruit fly II. 34 C. Apple III. 8 D. Maize IV. 12

Reproductive health in society can be improved by: (i) Introduction of sex education in schools. (ii) Increased medical assistance. (iii) Awareness about contraception and STDs. (iv) equal opportunities to male and female child. (v) Ban on aminocentesis. (vi) Encouraging myths and misconceptions.

Which statement does not reflect a reason why grasses predominate in savannah?

A fall in ECF, \[{{K}^{+}}\] concentration would cause:

'Ishihara charts' are used by ophthalmologists to detect:

Given below are the different types of ovules. Identify A to F.

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

Aleurone cells are present in endosperm of:

Multinucleate condition is present in:

Match the column-I with column-II and choose the correct option. Column-I Column-II A. Predation I. Cuscuta and Hedge plants B. Commensalism II. Balanus and Chthamalus C. Parasitism III. Cactus and Moth D. Competition IV. Orchid and Mango

Read the assertion and reason carefully: Assertion : Runners are underground stem. Reason : Runners bear node and internodes.

euteranopia is a disease when there is no perception of which of the following colour?

Universal donor blood group is:

Which of the following ion is necessary-for the contraction of a muscle and nerve impulse transmission?

In order to obtain virus-free plants through tissue culture, the best method is:

Yeast cell divides by

In laboratory experiments, two species of the protist Paramoecium were grown alone and in the presence of the other species. The following graphs show growth of species 1 (left) and species 2 (right), alone and when in mixed culture. Interpretation of these graphs shows that:

Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : Regeneration blastema is a bud-like structure formed during regeneration of limb in salamander. Reason : Formation of regeneration blastema involves dedifferentiation.

Gynostegium (Fusion of anthers with stigma) and pollinia are present in family [AMU 1997]

"Jumping of the action potential" at the nodes of Ranvier is known as:

Mechanical tissue is best developed in:

Which of the following floral parts forms pericarp after fertilisation?

Plumule is produced from the:

Which of the following represents the condition seen in the family composite [Manipal 2005]

Which one of the following is an exotic Indian fish?

The yellow colouration of cow's milk is due to the:

A pregnant woman who has done amniocentesis test finds an extra Ban- body in her embryo. The syndrome which is likely to be associated with the embryo is:

Match column-I with column- II and select the correct answer using the codes given below. Column-I(Name of the organism) Column-II(Haploid chromosome number in gamete) A. Ophioglossum(fern) I. 23 B. Rice II. 24 C. Potato III. 12 D. Man IV. 630

The diaphragm, cervical cap and vaults are:

The antibiotic obtained from the yeast is

An oak tree produces thousands of acorns, but very few grow into mature oak trees. The oak tree exhibits a ___ survivorship curve.

Carthamus tinctorium belongs to family [RPMT 1985]

Famous Angora wool is obtained from:

Chemically, the silk is:

Which part of the brain is more develop human?

In which of the following condition, effect of atomic warfare are the development of buccalulcers, colon ulcer and lung infection, this is because of:

In Klinefelter's syndrome, the sex chromosome compliment is:

Marginal placentation is found in [AMU 1988; JIPMER 1990; CET Chd. 1997]