NEET Biology: Questions 637 - 642 of 3146

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Question number: 637

» Diversity in Living World » Five Kingdom Classification » Plant Group - Gymnosperms

MCQ▾

Question

Diploxylic condition occurs in Cycas in

Choices

Choice (4) Response

a.

stem

b.

leaflet

c.

root

d.

coralloid root

Question number: 638

» Diversity in Living World » Five Kingdom Classification » Plant Group - Gymnosperms

MCQ▾

Question

Which of the following is living fossil?

Choices

Choice (4) Response

a.

Pinus

b.

Ginkgo

c.

Deodar

d.

Thuja

Question number: 639

» Reproduction » Sexual Reproduction in Flowering Plants » Development of Endosperm and Embryo

MCQ▾

Question

The outermost layer of endosperm of maize grain is called

Choices

Choice (4) Response

a.

Aleurone

b.

Tunica

c.

Epidermis

d.

Pericarp

Question number: 640

» Structural Organization in Animals and Plants » Plant Tissues - Morphology, Anatomy and Functions » Flower

MCQ▾

Question

Which statement is wrong for compositae?

Choices

Choice (4) Response

a.

Ligulate ray florets

b.

Basal ovule

c.

5-lobed stamens

d.

Syngenesious stamens

Question number: 641

» Reproduction » Sexual Reproduction in Flowering Plants » Pollination-Types, Agencies and Examples

MCQ▾

Question

Self pollination means

Choices

Choice (4) Response

a.

Transference of pollens from anther to be stigma within the same flower.

b.

Germination of pollens within the anther.

c.

Occurrence of male and female sex organs in the same flowers.

d.

Transference of pollens from one flower to another on the same plant.

Question number: 642

» Human Physiology » Neural Control and Coordination » Generation and Conduction of Nerve Impulse

MCQ▾

Question

Unidirectional transmission of a nerve impulse through nerve fibre is due to the fact that

Choices

Choice (4) Response

a.

Nerve fibre is insulated by a medullary sheath.

b.

Neurotransmitters are released by dendrites and not by axon endings.

c.

Sodium pump starts operating only at the cyton and then continues into the nerve fibre.

d.

Neurotransmitters are released by the axon ending and not by dendrites.

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