Question # 1

Main role to give out air form lungs is;

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Bronchus

Bronchi

Bronchiote

Diaphragm

The number of lobes in right lung is:

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1

2

3

4

Formation of messenger RNA from DNA is called.

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Translocation

Transcripton

Tranduction

Translation

An organism that actively hunts other organisms is called.

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Prey

Predator

Parasite

Host

All populations collectively are called.

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Species

Blome

Community

Ecosystem

The cardiotonic known as digitalis, is obtained from a plant:

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Accacia

Brassica

Mimosa

Fox glove

The major process that brings carbon from atmosphere into living world is:

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Photosynthesis

Respiration

Both a and b

None of these

Cartilage is absent in:

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larynx

trachea

bronchi

bronchioles

The sequence of components of a coordinate action is:

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stimulus→ receptors→ coordinator→ response→ effector

receptor→ effector→ stimulus→ receptor→ response

effector→ response→ stimulus→ effector→ receptor

stimulus→ receptor→ co-ordinator→ effector → response

Cytocine always pairs with:

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Guanine

Adenine

Uracil

Thymine

No. of bronchi in the air passage way are:

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1

2

3

4

Conversion of Nitrates into nitrogen gas is called.

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Denitrification

Assimilation

Ammonification

Nitrogen fixtation

A symbolic interaction in which both partners get benefits:

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Mutualism

Commensalism

Parasitism

Predation

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10th Class Biology English Medium KPK Boards Online Mcqs MCQs With Answers

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