Grade 9 Agricultural science 2019 Quiz

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Created on August 02, 2020

G9 Agricultura science 2019

1 / 36

Farmers keep disc blades sharp by ....

grinding and tightening them.

greasing and rolling them.

grinding and rolling them.

greasing and tightening them.

2 / 36

Herbicides in a maize field will ....

kill the weeds.

kill the pests.

promote silting.

promote tasseling.

3 / 36

The difference between sandy and clay soils is that clay soil has .....

excellent aeration.higher capillarity.

higher capillarity.

larger spaces.

loosely packed particles.

4 / 36

Boron deficiency in fruit plants causes ....

drying of terminal buds.

drying of the whole plant.

poor pod formation in legumes.

yellow spots on leaves.

5 / 36

All pests are controlled

Increases yield of groundnuts

Increases yield of maize

Saves time to cultivate

6 / 36

Why are farmers not encouraged to use overhead irrigation in solanaceous crops?

Irrigation equipment are expensive.

It exposes the crops to fungal infections.

It promotes leaching of nutrients.

There is wastage of water

7 / 36

A strip cup in dairy production ....

checks if milk has mastitis.

measures the amount of milk milked.

prevents contamination of milk.

8 / 36

Which of the following is NOT an advantage of agricultural diversification
to the farmer?

Acquires more technical knowledge

Gets more income from various enterprises

Loses out completely

May gain profit from other products

9 / 36

cultivator.

ripper.

sub-soiler.

10 / 36

What is the main reason for leaving crop residues on soil surface after harvesting?

For animals to feed on.

Getting rid of pests.

Reduce water infiltration.

Retention of soil nutrients.

11 / 36

Gross margin is the difference between ....

gross output and initial capital investment.

profits and fixed costs of that enterprise.

total income and total variable costs of that enterprise.

variable costs and fixed costs.

12 / 36

Which of the following dairy breeds of cattle is the highest milk producer in
Zambia?

Brown swiss

Friesian

Guernsey

Jersey

13 / 36

Which of the following shows the order of activities from the time
tomatoes are ready for harvesting?

Grading, packing, picking, marketing

Marketing, packing, grading, picking

Picking, grading, packing, marketing

Picking, grading, marketing, packing

14 / 36

What is the gestation period of a goat?

45 days

115 days

150 days

280 days

15 / 36

It is advisable to store vegetables in conditions that are ....

cool and moist.

cool and dry.

warm and moist.

warm and dry.

16 / 36

Horizon O is richer in nutrients than horizon C because it ....

contains more micro organisms.

does not get eroded.

has a lot of water.

is the most ploughed layer.

17 / 36

The following is a record kept by a poultry farmer:
1 Number of chicks – 200
2 Cost of 1 chick – K4.00
3 Labour – K500.00
4 Number of dead birds – 5
5 Cost of feed and medicine – K4 200.00
6 Selling price per bird – K50.00
The farmer made a ....

fixed cost.

marginal cost.

opportunity cost.

variable cost.

18 / 36

Liver fluke

Itch mite

Round worm

Tape worm

19 / 36

What should a farmer do after confirming an outbreak of New castle
disease in a flock of chickens?

Kill the whole flock and disinfect the house.

Kill all affected birds and vaccinate the rest.

Treat the affected birds with an antibiotic.

Treat the whole flock with an antibiotic.

20 / 36

What is the average yield of citrus fruits during full bearing?

26 t/ha

15 t/ha

10 t/ha

8 t/ha

21 / 36

Which of the following diseases is correctly paired with its signs?

22 / 36

The function of the caecum in the digestive system of a chicken is to ....

grind food to tiny pieces.

kill germs from food.

store food temporarily.

store waste mater.

23 / 36

A 50kg bag of artificial fertiliser had a label 10 : 20 : 10.
What is the correct order of nutrients as shown on the bag?

N : K : P

N : P : K

P : K : N

K : N : P

24 / 36

A Grade 8 class conducted an experiment as follows:
- weighed dry soil
- heated the soil to red hot
- cooled the soil
- weighed the soil again
The aim of this experiment was to find out if the soil contained

- weighed dry soil

- heated the soil to red hot

- cooled the soil

- weighed the soil again

25 / 36

A Grade 9 learner placed some maize meal in a test tube, added equal
amounts of benedict’s solution and heated it.
The learner was trying to find out if the maize meal contained ....

fats

glucose.

proteins.

starch.

26 / 36

Two important equipment that must be in a broiler poultry house are

drinkers and perching boxes.

drinkers and feeders.

feeders and incubators.

perching boxes and incubators.

27 / 36

clay

loam

sand

silt

28 / 36

What group of vegetables does pumpkin belong to?

Cucurbits

Legumes

Leaf vegetables

Root vegetables

29 / 36

An Agricultural Science learner planted 2000 groundnut seeds for a school
project and 1800 germinated. What was the germination percentage?

10%

11%

88%

90%

30 / 36

If layers are not given enough protein in their food, they will ....

stop laying eggs.

lay fewer eggs.

lay small eggs.

lay eggs with soft shells.

31 / 36

Which of the following factors is involved in chemical weathering during
soil formation?

Plants

Temperature

Water

wind

32 / 36

Which of the following increases efficiency in farming?

Employing more unskilled labour.

Improved farming methods.

High prices of farm products.

Use of animal drawn implements.

33 / 36

Absorption of water

Chemical digestion of food

Grinding food materials

Storage and softening food

34 / 36

Farmers prepare planting stations for mangoes by digging holes 60cm deep at the spacing of ....

10m × 10m and filling the holes with manure and top soil.

10m × 10m and filling the holes with manure only.

5m × 5m and filling the holes with manure only.

5m × 5m and filling the holes with manure and top soil.

35 / 36

Legumes in vegetable rotation ....

control soil pH.

control crop pests and diseases.

fix all nutrients into the soil.

fix nitrogen into the soil.

36 / 36

Agriculture in Zambia ....

provides household food security in the country.

provides employment to all Zambian youths.

is a source of foreign exchange for subsistence farmers.

is a source of livelihood for all Zambian citizens.

Your score is

The average score is 40%