EASY
Earn 100

The Xylem are responsible for –

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Important Questions on Transportation

MEDIUM
Where do the substances in plants reach as a result of translocation?
MEDIUM
Food synthesized in leave is transported by
MEDIUM
What is translocation? Why is it essential for plants?
EASY
Blood cells are manufactured in our:
MEDIUM
Absorption of water is associated with
EASY
Choose correct statement for human:
MEDIUM
What is transpiration? List its two functions.
EASY

The following statements about blood vessels is/are correct.

(A) Arteries have thin and less muscular walls

(B) Walls of veins are non-elastic

(C) Arteries have no valves in their inner lining

(D) Veins do not collapse when empty

MEDIUM
Which of the following is not the purpose of transpiration?
MEDIUM
Root pressure is effective way transporting water in xylem. This pressure is generated
EASY
The correct statement which explains the structure of veins is :
EASY
Entry of water into root hairs is an example of –
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Oxygen rich blood from lungs comes to which chamber of the heart-

EASY
The pores in a leaf through which respiratory exchange of gases takes place are –
MEDIUM

Separation of oxygenated and deoxygenated blood.

I. Fulfils energy requirement of the body.

II. Ensures the effect transfer of oxygen in the body.

EASY
Tricuspid valve is present in
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Choose the most appropriate statement from the options listed below that explains the factors which affects transpiration:

(A) If the wind blows faster, the water vapour released during transpiration is faster.

(B) Increase in atmospheric pressure increases the rate of transpiration.

(C) Decrease in temperature allows more water to evaporate.

(D) High humidity in the air increases the rate of transpiration.

EASY
The xylem in plants are responsible for
MEDIUM
Plants absorb water through its roots, stems and leaves. But, mainly water is absorbed by root hairs. These hair roots absorb water, when: