NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 664 - 670 of 3511

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Question number: 664

» Reproduction » Reproduction in Organisms » Vegetative Propagation in Plants

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MCQ▾

Question

Which of the following propagates through leaf-tip?

Choices

Choice (4) Response

a.

Sprout-leaf plant

b.

Marchantia

c.

Walking fern

d.

Moss

Question number: 665

» Genetics and Evolution » Heredity and Variation » Chromosome Theory of Inheritance

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MCQ▾

Question

Albinism is

Choices

Choice (4) Response

a.

Non-hereditary character

b.

Sex-linked character

c.

Acquired character

d.

Hereditary character

Question number: 666

» Plant Physiology » Transport in Plants » Transpiration-Opening and Closing of Stomata

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MCQ▾

Question

Stomatal index (SI) is equal to

Choices

Choice (4) Response

a.

E + S

E

b.

E

E + S

c.

S

E + S

d.

S

E-S

Question number: 667

» Reproduction » Reproduction in Organisms » Asexual Reproduction

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MCQ▾

Question

Genetically identical progeny is produced when an individual

Choices

Choice (4) Response

a.

Produces identical gametes.

b.

Practices by breeding without meiosis.

c.

Practices self-fertilization

d.

Practices reproduction

Question number: 668

» Plant Physiology » Mineral Nutrients » Macro and Micronutrients

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MCQ▾

Question

Function of zinc is

Choices

Choice (4) Response

a.

Biosynthesis of 3 IAA

b.

Oxidation of carbohydrate.

c.

Closing of stomata

d.

Synthesis of chlorophyll

Question number: 669

» Genetics and Evolution » Heredity and Variation » Co-Dominance

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MCQ▾

Question

In sweet pea plants the presence of dominant C and P genes is essential for development of purple colour. The ratio of plants producing flowers of different colours in the progeny of the cross Cc Pp x Cc Pp will be

Choices

Choice (4) Response

a.

2 white and 6 purple colored flowers.

b.

2 purple and 6 white colored flowers.

c.

3 white and 5 purple colored flowers.

d.

9 purple and 7 white colored flowers.

Question number: 670

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

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MCQ▾

Question

Which of the following have capacity of absorbing water, used to replace cotton and used as a fuel?

Choices

Choice (4) Response

a.

Riccia

b.

Funaria

c.

Marchantia

d.

Sphagnum