Question # 1

The site for Calvin cycle is:

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Stroma

Grana

Plasmodesmata

Cytoplast

The raw materials in photosynthesis are:

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Water, Oxygen

CO₂, O₂

Water , CO₂

Glucose , Water

The clusters of photosynthetic pigments are called:

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Thylakoids

Photosystems

Carotenoids

Chlorophyll a & b

In living organisms, redox reactions involving the loss and gain of _____________ atom.

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Oxygen

Carbon

Nitrogen

Hydrogen

Carbon Dioxide is almost .......... percent in air.

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0,01

0.3

0,03

0.1

Ribose is a _______ carbon sugar.

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Two

Three

Five

Ten

krebs cycle occurs in ................. .

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Cytoplasm

Mitochondria

Lysosome

Nucleus

When we work hard we suffer from muscle fatigue because muscle cells:

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Carry out aerobic respiration at faster rate and so are tired

Carry out anaerobic respiration and so-accumulate more CO₂

Carry out anaerobic respiration and so accumulate lactic acid

Carry out aerobic respiration at faster rate and so burst

The water from the soil enters into the root hairs by the process of

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Photosynthesis

Osmosis

Diffusion

Respiration

......... is one of raw material for photosynthesis .

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Oxygen

Water

Carbon Dioxide

Nitrogen

The reactions which do not require light during photosynthesis are called __________ reactions.

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Chemical

Redox

Dark

Light

Aerobic respiration needs free ............. .

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Carbon

Nitrogen

Oxygen

None

The potential energy is stored in chemical bonds and is released as _____________ energy when these bonds break.

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Heat

Light

Kinetic

Solar

No life would be possible if the process of .............. stops.

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Respiration

Photosynthesis

Both

None

The water and carbon dioxide are the ................ in photosynthesis.

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Reactants

Products

Both

None

The green portion is minaly reflected therefore chlorophull appears .............. .

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Green

Blue

White

Black

All ............. cells are always performing functions.

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Living

Non-living

Both

None

intensity of light is ........ at midday.

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Maximum

Minimum

Both

None

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