Biology MCQS

The plasma proteins constitute percent by weight of plasma.

The plasma proteins constitute percent by weight of plasma:

Single Circuit Heart is present in.

Single Circuit Heart is present in:

In cockroach, the heart is.

In cockroach, the heart is:

All have open blood circulatory system except?

The cells which supply ATP and proteins to sieve tubes are.

The cells which supply ATP and proteins to sieve tubes are:

Which one contains companion cells.

Which one contains companion cells:

Temperature causes closure of stomata

The ions involved in the opening and closing of stomata are.

The ions involved in the opening and closing of stomata are:

______is incorrect about guard cells.

______is incorrect about guard cells:

Cuticular transpiration takes places at.

Cuticular transpiration takes places at:

The volume of dry seed may increase up to 200 times after absorbing water by.

The volume of dry seed may increase up to 200 times after absorbing water by:

The dew drops on the tip of the grass leaves involves the phenomenon.

The dew drops on the tip of the grass leaves involves the phenomenon:

Gutation occurs in plants through.

The shrinkage of protoplast of a cell.

The shrinkage of protoplast of a cell:

Casparian strips are present in.

Casparian strips are present in:

Casparian strips are present in the cells of root.

Casparian strips are present in the cells of root:

The volume of air taken inside the lungs and expelled during exercise is about.

The volume of air taken inside the lungs and expelled during exercise is about:

How much air lungs can hold when they are fuly inflated.

How much air lungs can hold when they are fuly inflated:

How many molecules of oxygen can bind with a molecule of myoglobin.

How many molecules of oxygen can bind with a molecule of myoglobin:

Respiratory pigment present in muscle is called.

Respiratory pigment present in muscle is called:

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The plasma proteins constitute percent by weight of plasma:

Single Circuit Heart is present in:

In cockroach, the heart is:

All have open blood circulatory system except?

The cells which supply ATP and proteins to sieve tubes are:

Which one contains companion cells:

Temperature causes closure of stomata

The ions involved in the opening and closing of stomata are:

______is incorrect about guard cells:

Cuticular transpiration takes places at:

The volume of dry seed may increase up to 200 times after absorbing water by:

The dew drops on the tip of the grass leaves involves the phenomenon:

Gutation occurs in plants through.

The shrinkage of protoplast of a cell:

Casparian strips are present in:

Casparian strips are present in the cells of root:

The volume of air taken inside the lungs and expelled during exercise is about:

How much air lungs can hold when they are fuly inflated:

How many molecules of oxygen can bind with a molecule of myoglobin:

Respiratory pigment present in muscle is called: