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SCIENCE PRACTICE QUESTIONS

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CROP PRODUCTION

1.

A dibber is used for

A.

dehusking.

B.

pruning.

C.

thinning.

D.

planting.

2.

Cowpea plants are used in crop rotation system of farming so that

A.

grazing animals would not destroy the crops.

B.

nitrates would be added to the soil.

C.

soil erosion could be checked.

D.

weeds would be suppressed.

3.

The major cause of pest harvest loss of stored millet in Ghana is

A.

bird attack.

B.

insect attack.

C.

mechanical injury.

D.

high humidity.

4.

Which of the following symptoms is an indication of fungal infection in vegetable nursery?

A.

Wilting of leaves

B.

Swellings of stems

C.

Rotting of stems

D.

Curling of leaves

5.

An example of a leafy vegetable is

A.

cabbage.

B.

bean.

C.

okro.

D.

carrot.

6.

Nutrient required in large quantities by leafy vegetables is

A.

nitrogen.

B.

calcium.

C.

potassium.

D.

phosphorus.

7.

Which of the following pairs of crops is grown for their roots?

A.

Cocoyam and onion

B.

Cassava and carrot

C.

Carrot and shallot

D.

Cocoyam and shallot

8.

The practice whereby shade is gradually removed from seedlings before transplanting is referred to as

A.

rogueing.

B.

hardening off.

C.

thinning.

D.

shading off.

9.

A farmer planted 2400 cuttings of cassava of which 85% survived grasscutter invasion.

Determine the number of cassava plants that was destroyed.

A.

360

B.

135

C.

150

D.

204

10.

Setts are planting materials used for the cultivation of

A.

ginger.

B.

pineapple.

C.

radish.

D.

yam.

11.

Which of the following conditions could cause aflatoxin in groundnuts?

A.

Growing groundnut in poor soils

B.

Infection of groundnut plants by rosette disease

C.

Excessive treatment of harvested pods with chemicals

D.

Storage of pods of groundnut n humid conditions

12.

An example of fungal disease of stored grains is

A.

damping off.

B.

soft rot.

C.

maize smut.

D.

mould.

13.

Thinning out means

A.

spacing out seedlings in the nursery.

B.

removing diseased crops from the farm.

C.

spacing out seedlings when planting.

D.

removing extra seedlings from a stand.

14.

The most important climate factor affecting crop production in West Africa is

A.

temperature.

B.

sunlight.

C.

rainfall.

D.

wind.

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