NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 868 - 874 of 3511

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Question number: 868

» Human Physiology » Excretory Products and Their Elimination » Urine Formation

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MCQ▾

Question

In micturition

Choices

Choice (4) Response

a.

Ureter relaxes.

b.

Urethra relaxes.

c.

Urethra contracts.

d.

Ureter contracts.

Question number: 869

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

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MCQ▾

Question

Leafy gametophytes is formed from protonema in

Choices

Choice (4) Response

a.

Marchantia

b.

Anthoceros

c.

Riccia

d.

Funaria

Question number: 870

» Plant Physiology » Plant Growth and Development » Growth Regulators-Auxin, Gibberellin, Cytokinin, Ethylene, ABA

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Question

An excised leaf does not turn yellow if it is induced to root. This is attributed to synthesis it root of OR Leaf ageing is retarded by

Choices

Choice (4) Response

a.

Gibberellins

b.

Auxins

c.

Cytokinins

d.

Ethylene

Question number: 871

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

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MCQ▾

Question

Wood of Cycas is

Choices

Choice (4) Response

a.

monoxylic

b.

diploxylic

c.

manoxylic and polyxylic

d.

monoxylic and manoxylic

Question number: 872

» Genetics and Evolution » Molecular Basis of Inheritance » Genome and Human Genome Project

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MCQ▾

Question

The eukaryotic genome differs from the prokaryotic genome because

Choices

Choice (4) Response

a.

Repetitive sequences are present in eukaryotes.

b.

Genes in the former case are organized into operons

c.

The DNA is circular and single stranded in prokaryotes.

d.

The DNA is complexed with histones in prokaryotes

Question number: 873

» Biotechnology and Its Applications » Application of Biotechnology in Health and Agriculture

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MCQ▾

Question

Aims of plant breeding are to produce

Choices

Choice (4) Response

a.

Disease-free varieties

b.

Early maturing varieties

c.

High yielding varieties

d.

All a. , b. and c. are correct

Question number: 874

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

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MCQ▾

Question

Which of the following statements is correct for ulothrix?

Choices

Choice (4) Response

a.

Filamentous alga with non-flagellated reproductive stages.

b.

Membranous alga producing zoospores

c.

Filamentous alga with flagellated reproductive stages.

d.

Non-motile colonial alga lacking reproductive stages.