PREVIOUS LESSON
PHOTOSYNTHESIS
AIR
CURRENT WORK
100

What is food?

a. Food is something good to eat or drink.

b. Food is anything good to eat or drink that nourishes it.

c. Food is a diet that contains all food values in their correct amount

d. Food builds the body

b. Food is anything good to eat or drink that nourishes it.

100

What name is given to the food made by plants.

a. tar

b. photosynthesis

c. starch

d. chlorophyll

c. starch

100

Which gas is most abundant in air?

a. Oxygen

b. carbon dioxide

c. rare gases

d. Nitrogen

d. Nitrogen

100

What is a deficiency disease?

a. A disease caused by lack of nutrients

b. A disease caused by germs

c. A disease cause by accidents

a. A disease caused by lack of nutrients

200

Which food value builds the body?

a. carbohydrates

b. vitamins

c. roughages

d. proteins

d. proteins

200

Name the raw materials needed by plants during photosynthesis.

a. chlorophyll

b. water

c. sunlight

d. temperature

b. water

200

Which of these needs air to burn?

a. firewood

b. water

c. sand

a. firewood

200

Lack of Vitamin C causes;

a. rickets

b. scurvy

c. Goitre

b. scurvy

300

Mention the food value that repairs worn out body tissues.

a. mineral salts

b. proteins

c. Vitamins

d. Carbohydrates

b. proteins

300

What is the role of chlorophyll during the process of photosynthsis?

a. Chlorophyll provides energy

b. Chlorophyll traps sunlight energy

c. Chlorophyll absorbs sunlight energy

d. Chlorophyll opens the stomata

c. Chlorophyll absorbs sunlight energy

300

What causes wind?

a. Moving water

b. moving air

c. Moving clouds

d. mixture of gases

b. moving air

300

Which food helps prevent scurvy?

a. oranges

b. rice

c. meat

a. oranges

400

Which disease is John likely to get if he lacks iron in the body.

a. iodine

b. Vitamin c

c. Vitamin A

d. Anaemia

d. Anaemia

400

Name the scientific name given to the green colouring matter found in leaves.

a. starch

b. stomata

c. chlorophy

d. chlorophyll

d. chlorophyll

400

Which instrument measures air pressure?

a. Thermometer

b. Barometer

c. Rain Gauge

d. Anemometer

b. Barometer

400

The best way to prevent deficiency diseases is to eat;

a. one type of food

b. A balanced diet

c. Junk food only

b. A balanced diet

500

Identify the food value which is not digested.

a. mineral salts

b. fats and oils

c. carbohydrates

a. mineral salts

500

What do plants need from the sun for photosynthesis?

a. heat only

b. Light energy

c. wind

b. Light energy

500

Which of the following shows that air has weight?

a. A deflated balloon

b. An inflated balloon feels heavier

c. A stone sinks in water

b. An inflated balloon feels heavier

500

Which deficiency disease causes swollen stomach and thin limbs in children?

a. rickets

b. kwashiorkor

c. scurvy

d. goitre

b. kwashiorkor