Correct Answer: D. 1986

Correct Answer: (b) bus moving backwards

Correct Answer: C. Denitrifying bacterium

Explanation

(a) Benefits derived from growing ornamental plants

- Source of employment/income to florists •

-Flowers are used for the expression of love and as gifts on special occasions

-Shade loving ornamentals can be used for decoration in porches, verandahs and halls

-Densely branched ornamental shrubs can be used for. fencing

- Used for visual screening or concealing views to provide privacy

- Pruning and clipping from hedges can be used as compost materials or mulch

- Some ornamental plants have medicinal value and are used in herbal preparation

- Some ornamental trees have edible fruits for human consumption

- Fixing of atmospheric nitrogen into the soil by bacteria in the root nodules of leguminous ornamental plants

-Decay of the leaves of ornamental plants improves soil fertility

- Purifies the environment

- Provides shade in car parks and public places

- Helps to absorb and reflect sound waves to reduce noise from hooting horns from vehicles

-Some ornamental plants are used for teaching and learning purposes

- Helps to reduce light blurrs on major roads to prevent accidents in the night

- Serves as windbreaks

- The beauty and fragrance of some ornamental plants give some people pleasure and satisfaction

- Ornamental plants can be used to direct the movement of people through the planting of avenues trees in curves, hedges along path in school compounds etc.

- Beautification of environment

- Flowers and leaves are used for floral design such as wreaths. bouquets, garlands

- Some flowers are used in the preparation of dyes

- Prunings from ornamented plants may be used in feeding animals

- Source of revenue to the government through taxation

- Well established ornamental gardens serve as tourist attraction.

(b) Symptoms of Cassava mosaic disease

- Mottling of leaves/leaf curl

- Distortion of leaves and stems

-Vein clearing

-Stunted growth

-Development of yellowish pale areas alternating with green patches on the leaves / mosaic pattern on the leaves.

(c) Explanation of forest management terms

(i) Selective exploitation

-This is the legal felling of trees based on criteria such as maturity and species

- it helps to protect the soil from erosion and at the same time encourages continuous supply of timber.

(ii) Regeneration

- This is the process of forest re-growth after it has been exploited

- It can occur either by re-growing from old stumps or deliberate planting of new forest seedlings in a deforested area. ((May be natural or artificial)

(iii) Taungya farming: This is a management practice which involves the planting of food crops and some forest trees at the same time until the canopy of the trees close up.

Correct Answer: C) 12 pairs

Explanation

The question is asking about the number of cranial nerves that connect the brain to different parts of the body. Cranial nerves are a group of nerves that emerge directly from the brain, rather than from the spinal cord. These nerves control various functions, including vision, hearing, smell, taste, and movement of the face and tongue. The options provided are 10 pairs, 11 pairs, 12 pairs, and 13 pairs. To answer the question, we need to know the correct number of cranial nerves. The correct answer is option C, which is 12 pairs. Each pair of cranial nerves has a specific function, such as the olfactory nerve for smell, the optic nerve for vision, and the vagus nerve for controlling the heart and digestive system. The 12 pairs of cranial nerves are named in order from the front of the brain to the back: olfactory, optic, oculomotor, trochlear, trigeminal, abducens, facial, vestibulocochlear, glossopharyngeal, vagus, accessory, and hypoglossal nerves. It is important to note that the functions of the cranial nerves can be affected by various diseases or injuries, which can lead to symptoms such as loss of vision or hearing, difficulty swallowing or speaking, or paralysis of the face or tongue. However, with proper diagnosis and treatment, many of these conditions can be managed or treated. In summary, the correct answer to the question is option C, which is 12 pairs of cranial nerves that connect the brain to various parts of the body. Each pair of nerves has a specific function, and they can be affected by different diseases or injuries.

Correct Answer: D. Branding

Correct Answer: B. If it is windy and Pedro does not go hunting then it is not snowing

Correct Answer: A. Wholesaling

Correct Answer: A. Halaal

Correct Answer: B. working capital