NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 1449 - 1453 of 3511

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Question number: 1449

» Diversity in Living World » Five Kingdom Classification » Viruses and Viriods

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MCQ▾

Question

Which of the following are non cellular organisms that are characterised by having an inert crystalline structure outside the living cell?

Choices

Choice (4) Response

a.

Bacteria

b.

Viruses

c.

Lichen

d.

Mycoplasma

Question number: 1450

» Biotechnology and Its Applications » Genetically Modified Organisms

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Appeared in Year: 2004

MCQ▾

Question

The Ti plasmid, is often used for making transgenic plants. This plasmid is found in (AIPMT)

Choices

Choice (4) Response

a.

Yeast as a 2 pm plasmid

b.

Rhizobium of the roots of leguminous plants

c.

Azotobacter

d.

Agrobacterium

Question number: 1451

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

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Appeared in Year: 2009

MCQ▾

Question

What is true about Bt toxin (AIPMT)

Choices

Choice (4) Response

a.

The inactive protoxin gets converted into active form in the insect gut

b.

The activated toxin enters the ovaries of the pest to sterilise it and thus prevent its multiplication

c.

The concerned Bacillus has antitoxins

d.

Bt protein exists as active toxin in the Bacillus

Question number: 1452

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

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Appeared in Year: 2009

MCQ▾

Question

Which one of the following is commonly used in transfer of foreign DNA into crop plants? (AIPMT)

Choices

Choice (4) Response

a.

Agrobacterium tumefaciens

b.

Meloidogyme incognita

c.

Penicillium expansum

d.

Trichoderma harrianum

Question number: 1453

» Diversity in Living World » Five Kingdom Classification » Lichens

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MCQ▾

Question

There exists a close association between the alga and the fungus within lichen. The fungus:

Choices

Choice (4) Response

a.

Provides food for the alga

b.

Provides protection, anchorage and absorption for the alga

c.

Releases oxygen for the alga

d.

Fixes the atmospheric nitrogen for the alga