Transport of materials in living things questions | form two Biology

While performing surgery on a mammal, two blood vessels were cut by mistake. In one of the vessels blood flow out with high pressure while in the other vessel blood flow out with low pressure.

(a) What are the names of the two blood vessels?
(b) Why one blood vessel had high pressure and the other low pressure? Briefly explain.

Answer / Solution

UNSOLVED

Water from the roots of flowering plants is transported up to the plant by different forces.
Which of the following forces initiates and raises water to the least height?
A Root pressure
B Transpiration pull
C Cohesion forces
D Adhesion forces
E Capillarity

Answer / Solution

UNSOLVED

Ringing in plants involves removal of the bark of the tree. This hinders communication between the upper and lower parts of the plant. In three points, briefly elaborate the impact of ringing on the stem of a hibiscus plant.

Answer / Solution

UNSOLVED

In which environmental condition the loss of water vapour from plants is mostly favourable?

1. Hot and Windy day
2. A saturated atmosphere
3. Cool and dry atmosphere
4. Windy day
5. Hot day.

Answer / Solution

UNSOLVED

Give the meaning of the following terms as used in Biology:
(i) Blood transfusion.
(ii)Blood compatibility.

Answer / Solution

UNSOLVED