NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 49 - 53 of 3511

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Question number: 49

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

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Question

Which one is not a component of organic farming?

Choices

Choice (4)Response

a.

Compost & farmyard manure

b.

Green manure

c.

Chemical fertilizer

d.

Crop rotation

Question number: 50

» Diversity in Living World » Five Kingdom Classification » Protista

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Question

Bacteria lack alternation of generation because there is

Choices

Choice (4)Response

a.

Neither syngamy nor reduction division.

b.

Distinct chromosomes which are absent.

c.

No conjugation.

d.

No exchange of genetic material.

Question number: 51

» Plant Physiology » Transport in Plants » Movement of Water, Gases and Nutrients

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MCQ▾

Question

Which of the following is the path of water from soil up to secondary xylem?

Choices

Choice (4)Response

a.

Soil → root hair cell wall → cortex → endodermis → pericycle → protoxylem → metaxylem.

b.

Metaxylem → protoxylem → cortex → soil → root hair.

c.

Cortex → root hair → endodermis → pericycle → protoxylem → metaxylem.

d.

Pericycle → soil → root hair → cortex → endodermis → protoxylem → metaxylem.

Question number: 52

» Genetics and Evolution » Molecular Basis of Inheritance » Gene Expression and Regulation

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Question

Which of the following is genetically inert and does not transcribe messenger RNA for protein synthesis?

Choices

Choice (4)Response

a.

DNA of heterochromatin

b.

DNA of euchromatin and heterochromatin

c.

DNA of euchromatin

d.

All of the above

Question number: 53

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

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MCQ▾

Question

Which of the following is correct sequence of layers in typical monocot root (from outer surface to inside)?

Choices

Choice (4)Response

a.

Epiblema, endodermis, cortex, pericycle

b.

Epiblema, cortex, endodermis, pericycle

c.

Epiblema, pericycle, cortex, endodermis

d.

Pericycle, cortex, endodermis, epiblema

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