JSS 1 Basic Science Essay Exam Questions

First Term Essay Questions

1a. Define personal cleanliness.
1b. state five (5) ways of keeping the body clean.
1c. list three (3) cleaning agents.
1d. state three (3) advantages of personal cleanliness.
1e. state two (2) disadvantages of not maintaining personal cleanliness.

2a. Define balanced diet.
2b. state six (6) classes of food.
2c. differentiate between biodegradable and non-biodegradable material.
2d. give three (3) examples of biodegradable materials.

3a. Define a disease vector.
3b. complete the following table

Disease vector	Disease transmitted
Mosquito
Tse-tsefly
Blackfly

3c. Define pollution.
3d. Name three (3) types of pollution.

4a. What is matter?
4b. state three (3) states of matter.
4c. State six (6) characteristics of living things.
4d. what is the deficiency of the following:
(i) vitamin C (ii) vitamin A

5a. Define drug abuse.
5b. state three (3) effects of drug abuse.
5c. what are pollutants?.
5d. list three (3) water pollutants.

6a. State five (5) differences between plants and animals.
6b. list five (5) activities of living things and state the organs associated with each.

Second Term Essay Questions

1a. Explain the meaning of energy.
1b. State three sources of energy.
1c. State four forms of energy.
1d. What energy conversions are involved in the following;
(i) Striking a match
(ii) Kicking a ball
(iii) Heating water
1e. State five uses of energy.

2a. Explain the meaning of renewable and non-renewable energy.
2b. Give three example of each of renewable and non-renewable energy sources.
2c. State five ways lack of energy supply affects societal development.

3a. Define force.
3b. Name two contact and non contact force.
3c. Calculate the work done against gravity to lift an object of a mass 20kg to a height of 40m. (g=10m/s²)

4a. Define friction
4b. State two advantages of friction.
4c. State two ways of reducing friction.
4d. State two disadvantages of friction.
4e. State 2 uses of friction.

5a. Define gravitational force.
5b. Explain the effect of gravitation on a stone and feather when they were thrown up.
5c. State four differences between mass and weight.

6a. What is weightlessness?
6b. State where a person is likely to experience weightlessness.
6c. State three effect of the earth’s gravitational pull.
6d. Define electrostatic force.
6e. State two types of force.

Third Term Essay Questions

1a. Define personal hygiene.
1b.) List three methods of keeping one’s body clean
1c. Name six cleaning agents used at home.
1d. State four consequences of poor hygiene.

2a. List all the classes of food.
2b Define adequate diet.
2c.) Name the major source of the earth’s energy.
2d. mention 4 natural conservation centres in Nigeria.

3a. Define friction.
3b. State two advantages of friction.
3c. State to disadvantages of friction.
3d. State two methods of reducing friction.
3e. State two causes of friction.
4a. Define space travel.
4b.) State three purpose of space travel.
4c. Define natural satellite.

5a.)Define matter.
5b. State three properties of metals.
5c. State two(2) properties of non-metals.
5d. Give three differences between plants and animal cells.

6a.) State three factors necessary for germination.
6b. Name two types of germination.
6c. Give three differences between sexual and asexual reproduction.
6d. Name two plant hormones.
7a. Name three types of asexual reproduction.
7b. Define pollination.
7c. Name three agents of pollination.
7d. Name two types of pollination.