NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 163 - 167 of 3511

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Question number: 163

» Genetics and Evolution » Heredity and Variation » Chromosomes and Genes

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MCQ▾

Question

Sex of a human child is determined ass

Choices

Choice (4) Response

a.

Size of the egg at the time of fertilization.

b.

Sex chromosome of mother.

c.

Sex chromosome of father.

d.

Size of the sperm at the time of fertilization.

Question number: 164

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

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MCQ▾

Question

Pollination of pollen grains in Pinus takes place at

Choices

Choice (4) Response

a.

one celled stage

b.

three celled stage

c.

four celled stage

d.

two celled stage

Question number: 165

» Genetics and Evolution » Molecular Basis of Inheritance » DNA Replication

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MCQ▾

Question

Eukaryotes differ from prokaryotes in the mechanism of DNA replication due to

Choices

Choice (4) Response

a.

Use of DNA primers rather than RNA primers.

b.

Discontinuous rather than semi-discontinuous replication.

c.

Different enzymes (instead of same enzyme) for synthesis of lagging and leading strands.

d.

Unidirectional rather than bidirectional replication.

Question number: 166

» Plant Physiology » Transport in Plants » Water Potential

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MCQ▾

Question

When the mesophyll cells loss water, their DPD

Choices

Choice (4) Response

a.

Increases

b.

Remain constant

c.

Decreases

d.

Question does not provide sufficient data or is vague

Question number: 167

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

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MCQ▾

Question

Considering the root apex of monocotyledons, there are three groups of initials. These are

Choices

Choice (4) Response

a.

The terminal ones form the dermatogens and the cap, the median forms the periblem and the innermost ones form the plerome.

b.

The terminal ones form the cap and the dermatogen, the median ones are non-functional and the innermost ones form the periblem and plerome.

c.

The terminal ones form the cap, the median ones form the dermatogens and periblem and the innermost ones form the plerome.

d.

The terminal ones form the cap, the median ones form the dermatogens and the innermost ones form the periblem and plerome.