NEET Biology: Questions 541 - 547 of 3146

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Question number: 541

» Ecology and Environment » Ecosystem » Patterns, Components

MCQ▾

Question

An ecosystem is a complex interacting system of

Choices

Choice (4) Response
a.

Communities and their soil conditions

b.

Communities and their physical environment

c.

Individual

d.

Population

Question number: 542

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

MCQ▾

Question

Sewage purification is done by

Choices

Choice (4) Response
a.

Antiseptics

b.

Microbes

c.

Fertilizers

d.

Antibiotics

Question number: 543

» Ecology and Environment » Ecosystem » Ecological Succession

MCQ▾

Question

Which one is not dangerous for life and atmosphere?

Choices

Choice (4) Response
a.

Ozone layer

b.

Deforestatior

c.

Biopollutants

d.

Nuclear blast

Question number: 544

» Ecology and Environment » Ecosystem » Productivity and Decomposition

MCQ▾

Question

The sun loving plants are referred to as

Choices

Choice (4) Response
a.

Heliophytes

b.

Heterotrophs

c.

Halophytes

d.

Sciophytes

Question number: 545

» Human Physiology » Neural Control and Coordination » Generation and Conduction of Nerve Impulse

MCQ▾

Question

During the transmission of nerve impulse, which of the following takes place?

Choices

Choice (4) Response
a.

Flux of K + inwards and Na + outwards.

b.

Flux of K + inwards and K + inwards.

c.

Flux of Na + inwards and K + outwards.

d.

Flux of K + outwards and K + outwards.

Question number: 546

» Human Physiology » Neural Control and Coordination » Neuron and Nerves

MCQ▾

Question

Which of the following cranial nerves are involved in the movement of eye?

Choices

Choice (4) Response
a.

Occulomotor, abducens, trochlear

b.

Optic, occulomotor, abducens

c.

Abducens, vagus, trochlear, occulomotor

d.

Trochlear, abducens and optic

Question number: 547

» Cell Structure and Function » Chemical Constituents of Living Cells » Biomolecules-Structure and Function

MCQ▾

Question

The main difference between chlorophyll a and b is

Choices

Choice (4) Response
a.

Chlorophyll a is linear chain compound and b is branched chain compound.

b.

All of the above

c.

In chlorophyll a there is CH3 group whereas in b it is –CHO group.

d.

Chlorophyll a has no Mg + 2 ion in center of molecule.

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