NEET Biology: Questions 757 - 763 of 3146

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Question number: 757

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

MCQ▾

Question

Conduction of inorganic materials in plants occur mainly through or Minerals absorbed by roots move at the leaf through

Choices

Choice (4) Response

a.

xylem

b.

sieve tube

c.

phloem

d.

All of the above

Question number: 758

» Cell Structure and Function » B Cell Division » Cell Cycle

MCQ▾

Question

As there occurs more and more condensation of chromatin during cell division, there occurs

Choices

Choice (4) Response

a.

differentiation of heterochromatin and euchromatin decreases

b.

increase in heterochromatin

c.

increase in euchromatin

d.

differentiation of heterochromatin and euchromatin is clearly shown

Question number: 759

» Plant Physiology » Transport in Plants » Transpiration-Opening and Closing of Stomata

MCQ▾

Question

Under what conditions the rate of transpiration increases?

Choices

Choice (4) Response

a.

Decrease of temperature.

b.

Decrease of humidity

c.

Increase of atmospheric pressure.

d.

Increase of humidity.

Question number: 760

» Ecology and Environment » Environmental Issues » Air Pollution and Its Control

MCQ▾

Question

Which is the most SO2 polluted city?

Choices

Choice (4) Response

a.

Delhi

b.

Calcutta

c.

Madras

d.

Mumbai

Question number: 761

» Cell Structure and Function » Cell Organelles - Structure and Function » Cell Envelope

MCQ▾

Question

A protoplast is

Choices

Choice (4) Response

a.

Cell without nucleus

b.

A cell organelle

c.

A cell with a wall

d.

A single wall-less cell

Question number: 762

» Biotechnology and Its Applications » Genetic Engineering

MCQ▾

Question

In bacteria, genes for antibiotic resistance are usually located in

Choices

Choice (4) Response

a.

Chromosomal DNA

b.

Plasmid

c.

Mitochondria

d.

Cytoplasm

Question number: 763

» Diversity in Living World » What Is Living? » Need for Classification

MCQ▾

Question

Species is

Choices

Choice (4) Response

a.

Not related to evolution.

b.

Unit in the evolutionary history of a tree.

c.

Unit of classification.

d.

Specific class of evolution.

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