TEST OF PRACTICAL KNOWLEDGE QUESTION Specimen E (Land snail) (a)(i) Name two external parts of the body of specimen E. (ii) State five which could be derive...

Answer Details

(a)(i) Two external parts of the body of specimen E are the shell and the foot.

(a)(ii) Five things that could be derived from rearing specimen E are:

1. Its meat, which is a delicacy in some cultures.
2. Its shell, which can be used for decoration or to make musical instruments.
3. Its mucus, which has medicinal properties and can be used in cosmetics.
4. Its excreta, which can be used as fertilizer for plants.
5. Its presence as an indicator of environmental health or biodiversity.

(a)(iii) Three pests that could attack specimen E are:

1. Predatory insects, such as ants or beetles.
2. Birds, which can peck at the shell or the body of the snail.
3. Other snails or slugs, which can compete for resources or transmit diseases.

(b)(i) Three uses of specimen F, bamboo, on an animal farm are:

1. As a source of fodder, as some animals such as pandas, cows or goats feed on bamboo leaves or stems.
2. As a material for building fences, shelters, or platforms for the animals.
3. As a renewable resource for producing paper, bedding, or other products that can be used on the farm or sold.

(b)(ii) Two disadvantages of using specimen F, bamboo, on an animal farm are:

1. Some animals may not like or tolerate the taste or texture of bamboo, especially if it's too mature or fibrous.
2. Bamboo is not a complete source of nutrients for animals, and may need to be supplemented with other feed or minerals to ensure their health and productivity.