Plant Physiology (NEET Biology): Questions 240 - 246 of 257

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Question number: 240

» Plant Physiology » Mineral Nutrients » Nitrogen Metabolism

MCQ▾

Question

Nitrifying bacteria

Choices

Choice (4) Response

a.

Oxidize ammonia to nitrates

b.

Convert free compounds

c.

Convert free nitrogen to nitrogen compounds

d.

Reduce nitrates to free nitrogen

Question number: 241

» Plant Physiology » Transport in Plants » Phloem Transport

Appeared in Year: 2001

MCQ▾

Question

Sieve tubes differ from sieve cells in - (DPMT)

Choices

Choice (4) Response

a.

Being dead

b.

Lacking nuclei

c.

Being shorter

d.

Having sieve pores at end walls

Question number: 242

» Plant Physiology » Transport in Plants » Cell to Cell Transport

Appeared in Year: 1998

MCQ▾

Question

Vessel elements differ from other elements of xylem in having (AMU)

Choices

Choice (4) Response

a.

Simple perforation on their end walls

b.

Simple and bordered pits on end walls

c.

Simple pits on their radial walls

d.

Bordered pits on their lateral walls

Question number: 243

» Plant Physiology » Transport in Plants » Phloem Transport

Appeared in Year: 2000

MCQ▾

Question

Sieve tube is component of - (BHU)

Choices

Choice (4) Response

a.

Phloem

b.

Xylem

c.

Cortex

d.

None of the above

Question number: 244

» Plant Physiology » Transport in Plants » Cell to Cell Transport

Appeared in Year: 1999

MCQ▾

Question

Which one of the following comprises only simple tissues (APMEE)

Choices

Choice (4) Response

a.

Parenchyma, Collenchyma and Sclerenchyma

b.

Parenchyma, Xylem and Phloem

c.

Parenchyma, Xylem and Collenchyma

d.

Parenchyma, Xylem and Sclerenchyma

Question number: 245

» Plant Physiology » Transport in Plants » Cell to Cell Transport

Appeared in Year: 1999

MCQ▾

Question

Mesarch xylem occurs in (Punjab PMT)

Choices

Choice (4) Response

a.

Ferns

b.

Bryophytes

c.

Monocots

d.

Dicots

Question number: 246

» Plant Physiology » Plant Growth and Development » Seed Dormancy

Appeared in Year: 2001

MCQ▾

Question

Which one breaks the dormancy of Potato tuber? [AIPMT]

Choices

Choice (4) Response

a.

Gibberellin

b.

ABA

c.

IAA

d.

Zeatin

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