Question # 1

It deals with compounds of linving organism.

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Biophysics

Biochemisty

Bio economics

Biometery

An example of multi cellular organism is.

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Bacteria

Frog

Euglena

Amoeba

In experiments to show transpiration from lead surfaces cobalt chloride paper changes its colour from:

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Pink to blue

Blue to pink

Pink to colourless

Colourless to pink

Minimum energy required to start a chemical reaction is called:

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Potential energy

Chemical energy

Activation energy

All are same

The purpose of respiration is to ................ energy.

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Absorb

Release

Both

None

Ribosomes are present in :

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SER

RER

Both

NOne

The cells used for photosynthesis in plants are:

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Sclenrenchyma cells

Ground tissues

Phloem tissues

Meristematic cells

Stomata close when the guard cells;

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Lose water

Gain chloride ions

Became turgid

Gain potassium ions

Denaturation of enzyme is caused by:

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Increased pH

Decreased pH

Increases in temperature above optimum temperature

Decreases in temperature

______________ is an inorganic compound of carbon which have poor energy value.

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Glucose

ATP

CO₂

NADPH

There are ......... types of photosystem.

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One

Two

Three

Four

Dengue fever is transmitted by

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Culex mosquito

Anopheles mosquito

Aedes mosquito

None of these

One molecule of glucose when broken down into CO2 H2O in aerobic respiration generates ........... ATP molecules.

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36 ATP

37 ATP

38 ATP

None of them

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