NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 2272 - 2278 of 3511

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Question number: 2272

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

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MCQ▾

Question

Which is a modification of root does not store food

Choices

Choice (4) Response

a.

Stilt root

b.

Tuberous

c.

Fusiform root

d.

Napiform root

Question number: 2273

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

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MCQ▾

Question

The edible part of turnip is -

Choices

Choice (4) Response

a.

Modified tap root

b.

Modified Adventitious roots

c.

Underground stem

d.

Stem

Question number: 2274

» Genetics and Evolution » Molecular Basis of Inheritance » Structure of DNA and RNA

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Appeared in Year: 1993

MCQ▾

Question

Double helix model of DNA which was proposed by Watson and Crick was of

Choices

Choice (4) Response

a.

B-DNA

b.

C-DNA

c.

Z-DNA

d.

D-DNA

Question number: 2275

» Diversity in Living World » Five Kingdom Classification » Fungi

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MCQ▾

Question

Black (stem) rust of wheat is caused by:

Choices

Choice (4) Response

a.

Ustilago nuda

b.

Xanthomonas oryzae

c.

Alternaria solani

d.

Puccinia graminis

Question number: 2276

» Plant Physiology » Mineral Nutrients » Nitrogen Metabolism

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MCQ▾

Question

Nitrifying bacteria

Choices

Choice (4) Response

a.

Convert free nitrogen to nitrogen compounds

b.

Convert free compounds

c.

Reduce nitrates to free nitrogen

d.

Oxidize ammonia to nitrates

Question number: 2277

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

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MCQ▾

Question

Consider the following four statements whether they are correct or wrong:

  1. The sporophyte in liverworts is more elaborate than that is mosses.
  2. Salvinia is heterosporous
  3. The life-cycle in all seed-bearing plants is diplontic.
  4. In Pinus male and female cones are borne on different trees.

Choices

Choice (4) Response

a.

1 and 2

b.

1 and 4

c.

2 and 3

d.

None of the above

Question number: 2278

» Genetics and Evolution » Molecular Basis of Inheritance » Structure of DNA and RNA

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MCQ▾

Question

Unit of nucleic acids are- [NCERT-76]

Choices

Choice (4) Response

a.

Nitrogenous bases

b.

Phosphoric acid

c.

Pentose Sugar

d.

Nucleotides