NEET Biology: Questions 171 - 177 of 3390

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Question number: 171

» Genetics and Evolution » Heredity and Variation » Sex Determination-in Humans, Birds, Honey Bee

MCQ▾

Question

If mother is a carrier for colour blindness and father is normal, then in the offsprings this disease may be seen in

Choices

Choice (4) Response

a.

All the sons and not in daughters.

b.

All the sons

c.

All the daughters.

d.

50 % sons and 50 % daughters (carrier).

Question number: 172

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

MCQ▾

Question

Cell organelles are embedded in

Choices

Choice (4) Response

a.

cytoplasmic membrane

b.

nucleolus

c.

protoplasm

d.

mitochondria

Question number: 173

» Diversity in Living World » Five Kingdom Classification » Protista

MCQ▾

Question

Spore producing body of a cellular slime mould is

Choices

Choice (4) Response

a.

sporophore

b.

sporangium

c.

pseucoplasmodium

d.

plasmodium

Question number: 174

» Cell Structure and Function » Cell Organelles - Structure and Function » Endomembrane System-ER

MCQ▾

Question

The main organelle involved in modification and routing of newly synthesized proteins to their destinations is

Choices

Choice (4) Response

a.

mitochondria

b.

lysosome

c.

endoplasmic reticulum

d.

chloroplast

Question number: 175

» Human Physiology » Neural Control and Coordination » Chemical Coordination and Regulation

MCQ▾

Question

The effect of different hormones on the body can be best said to bring about

Choices

Choice (4) Response

a.

Release of inherent capacities.

b.

Proper growth

c.

Co-ordination of functions

d.

Stimulation of organs.

Question number: 176

» Ecology and Environment » Ecosystem » Pyramids of Number, Biomass, Energy

MCQ▾

Question

If decomposers are removed what will happen to ecosystem?

Choices

Choice (4) Response

a.

Rate of decomposition of mineral increases.

b.

Energy cycle is stopped.

c.

Consumers cannot absorb solar energy.

d.

Mineral cycle is stopped.

Question number: 177

» Genetics and Evolution » Molecular Basis of Inheritance » Lac Operon

MCQ▾

Question

In the lac operon, the structural genes are switched off when

Choices

Choice (4) Response

a.

Repressor binds to promotor.

b.

Repressor binds to operator.

c.

Repressor binds to inducer.

d.

Repressor binds to regulator

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