NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 542 - 547 of 3511

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Question number: 542

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

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MCQ▾

Question

Sewage purification is done by

Choices

Choice (4)Response

a.

Antibiotics

b.

Antiseptics

c.

Fertilizers

d.

Microbes

Question number: 543

» Ecology and Environment » Ecosystem » Ecological Succession

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MCQ▾

Question

Which one is not dangerous for life and atmosphere?

Choices

Choice (4)Response

a.

Biopollutants

b.

Deforestatior

c.

Ozone layer

d.

Nuclear blast

Question number: 544

» Ecology and Environment » Ecosystem » Productivity and Decomposition

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MCQ▾

Question

The sun loving plants are referred to as

Choices

Choice (4)Response

a.

Heterotrophs

b.

Halophytes

c.

Sciophytes

d.

Heliophytes

Question number: 545

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

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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 Na + inwards and K + outwards.

c.

Flux of K + outwards and K + outwards.

d.

Flux of K + inwards and K + inwards.

Question number: 546

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

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MCQ▾

Question

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

Choices

Choice (4)Response

a.

Trochlear, abducens and optic

b.

Occulomotor, abducens, trochlear

c.

Optic, occulomotor, abducens

d.

Abducens, vagus, trochlear, occulomotor

Question number: 547

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

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MCQ▾

Question

The main difference between chlorophyll a and b is

Choices

Choice (4)Response

a.

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

b.

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

c.

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

d.

Question does not provide sufficient data or is vague

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