1. Which one of the following statements is true about female genital mutilation?

A. It gives acceptance for marriage.
B. It helps to deliver a baby easily.
C. It keeps girls pure and honest.
D. It imposes a risk of infection.

2. Assume that you have a friend who is HIV positive and you are familiar with the case. How can you support your friend if she is injured and needs your help?

A. Help your friend with precautions.
B. Ignore your friend because of the virus.
C. Help your friend without any fear of the virus.
D. Call other people to protect you from the virus.

3. Why are root hairs efficient in the uptake of water from the soil?

A. They anchor the plant to the ground.
B. They show positive hydrotropism.
C. They have a high surface area to volume ratio.
D. They keep the turgidity of the cell.

4. What will happen to a plant if the apical dominance is removed through repeated pruning?

A. The plant sheds its leaves to withstand the condition.
B. The plant elongates and bends to one direction.
C. The growth of the lateral shoots will be inhibited.
D. The side shoots grow quickly and the plant becomes bushy.

Root hairs have a high surface area to volume ratio for efficient water uptake, and removing apical dominance through pruning inhibits lateral shoot growth.

Explanation:

Root hairs are efficient in uptake of water from the soil because they have high surface area to volume ratio, which helps in absorbing nutrients and water effectively. The process involves active transport through hair cells and then uses osmosis.

If the apical dominance is removed through repeated pruning, the growth of the lateral shoots will be inhibited, leading to a change in the plant's growth pattern.

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