NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 144 - 149 of 3511

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Question number: 144

» Reproduction » Reproduction in Organisms » Vegetative Propagation in Plants

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Question

Apomixis in plant means development of a plant

Choices

Choice (4) Response

a.

From root cutting

b.

From fusion of gametes

c.

Without fusion of gametes

d.

From stem cuttings

Question number: 145

» Genetics and Evolution » Heredity and Variation » Incomplete Dominance

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Question

Pure tall plants are crossed with pure dwarf plants. In the F1 generation all plants were tall. These tall plants of F1 generation were selfed and the ratio of tall to dwarf plants obtained was 3: 1. This is called

Choices

Choice (4) Response

a.

Dominance

b.

Heredity

c.

Inheritance

d.

Co-dominance

Question number: 146

» Ecology and Environment » Ecosystem » Nutrient Cycling

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Question

The agent/s which make/s free atmospheric nitrogen available to plants is/are

Choices

Choice (4) Response

a.

Lightning

b.

Symbiotic nitrogen fixing bacteria

c.

Free living nitrogen fixing bacteria

d.

All a. , b. and c. are correct

Question number: 147

» Ecology and Environment » Biodiversity and Its Conservation » Biodiversity Conservation

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Question

Wild life conservation means the protection and preservation of

Choices

Choice (4) Response

a.

Wild plants only.

b.

All the above living in natural habitat.

c.

Ferocious wild animals only.

d.

Non-cultivated plants and non-domesticated animals.

Question number: 148

» Diversity in Living World » Five Kingdom Classification » Protista

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MCQ▾

Question

Which protist reproduces both by binary fission and conjugation?

Choices

Choice (4) Response

a.

Paramecium

b.

Monocystis

c.

Euglena

d.

Amoeba

Question number: 149

» Ecology and Environment » Biodiversity and Its Conservation » Biodiversity Conservation

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Question

One of the ex-situ conservation methods for endangered species is

Choices

Choice (4) Response

a.

Biosphere reserves

b.

National parks

c.

Cryopreservation

d.

Wildlife sanctuaries