Second Term Examination Basic Science for JSS 1 – 3 Term 2 Exam Questions

BASIC SCIENCE 

SECOND TERM EXAMINATION 

JUNIOR SECONDARY SCHOOLS 

EXAM QUESTIONS 

JSS 1 BASIC SCIENCE

SECTION A

ANSWER ALL QUESTIONS.

Instruction: Fill the gaps with the most suitable word from the options A – D. 

1. _________ is the energy that cannot be replaced after use.

(a) Solar energy

(b) Wind energy

(c) Water energy

(d) Non – renewable

 

2. All are examples of non – renewable energy except _________.

(a) kerosene

(b) water

(c) coal

(d) wood

 

3. Hepatitis B is an example of STI .
(a) Yes

(b) No

(c) None of the above

(d) All of the above

 

4. V D means _________.

(a) vice disease

(b) video disease

(c) venereal disease

(d) venus disease

 

5. H I V is transmitted from human to _________.

(a) human

(b) goat

(c) monkey

(d) chicken

6. _________ multiplies rapidly within the first 3 months.
(a) Malaria

(b) Typhoid

(c) H I V

(d) S T I

 

7. H I V minor signs include _________ except.

(a) loss of memory

(b) nerve damage

(c) diarrhea more than a month

(d) thrush in the mouth and throat

 

8. Less than ___% of all the earth’s water is available as fresh water.

(a) 1

(b) 2

(c) 3

(d) 4

 

9. _________ are material and energy that cause pollution.

(a) Pollutants

(b) Population

(c) Pollination

(d) Poll

 

10. Dry air contains ____% of nitrogen.

(a) 21

(b) 78

(c) 7.8

(d) 2.1

11. Excessive _________ do not allow plant grow.

(a) fertilizer

(b) sugar

(c) water

(d) crop

 

12. Essential plant nutrients are all except _________.

(a) nitrogen

(b) iron

(c) calcium

(d) lead

 

13. All are forms of energy except _________.

(a) electrical

(b) electronic

(c) light

(d) heat

 

14. _________ energy is used to operate most of the home appliances.

(a) heat

(b) sound

(c) electrical

(d) solar

 

15. Renewable energy is an energy which can be replaced as they are used.

(a)  Yes

(b) No

(c) Maybe

(d) May

16. Coal, wood, natural gas are examples of _________ energy.

 

17. _________ Converts mechanical energy to electrical energy.

 

18. _________ energy produces great energy to operate air craft.

19. Salt (excess) in topsoil does not allow _________ to grow.

 

20. _________ is not curable.

SECTION B: THEORY

ANSWER ALL QUESTIONS 

QUESTIONS 1

a. State three modes through which HIV can be transmitted.

b. What does STI’s stand for?

 

QUESTION 2

a. State three forms of Energy.

b. What are two uses of energy?

 

QUESTION 3

State a device that converts:

a. Electrical to mechanical energy.

b. Electrical to heat energy.

 

QUESTION 4

a . Define soil pollution

b. Highlight 2 sources of water pollution.

JSS 2 BASIC SCIENCE

SECTION A

ANSWER ALL QUESTIONS. 

Instruction: Fill the gaps with the most suitable word from the options A – D. 

1. _________ energy is the energy stored in a body.

(a) kinetic

(b) potential

(c) mechanical

(d) electrical

 

2. A running elephant has _________ K.E. than an athlete.

(a) more

(b) less

(c) equal

(d) none of the above

 

3. Active listening skill is a technique in communication.

(a) Yes

(b) No

(c) No idea

(d) All of the above

 

4. _________ Brown discovered Brownian motion.

(a) Robin

(b) Rowland

(c) Rugged man

(d) Robert

 

5. _________ energy is the energy that body gas because of its motion.

(a) Kinetic

(b) Potential

(c) Elastic

(d) Limited

 

6. Elastic _________ energy is the energy stored in an elastic object.

(a) potential

(b) kinetic

(c) electrical

(d) sound

 

7. _________ is the ability to do work.

(a) Energy

(b) Synergy

(c) Power

(d) Current

8. All are forms of energy except _________.

(a) sound

(b) electrical

(c) nuclear

(d) noise

 

9. Matter particles could be in form of atoms, molecules and _________.

(a) iron

(b) ions

(c) lions

(d) iodine

 

10. The point at which a liquid H2O begins to form bubbles is called _________.

(a) cooking

(b) stewing

(c) boiling

(d) frying

11. The state of matter with definite shape is _________.

(a) liquid

(b) gas

(c) solid

(d) all of the above

 

12. The state of matter with indefinite shape is _________.

(a) liquid

(b) gas

(c) solid

(d) all of the above

 

13. The state of matter with the container’s shape is _________.

(a) liquid

(b) gas

(c) solid

(d) all of the above

 

14. A grinder convert electrical energy to _________ energy.

(a) sound

(b) mechanical

(c) nuclear

(d) chemical

 

15. A car engine converts potential energy to _________ energy.

(a) elastic

(b) potential

(c) kinetic

(d) racing

 

16. _________ is the formula for kinetic energy.

 

17. Acceleration due to gravity equals _________.

 

18. A microphone converts _________ to _________ energy.

 

19. M x G x H. M stands for _________.

 

20. Robert brown was a _________ by profession.

 

SECTION B

ANSWER ALL QUESTIONS 

QUESTION 1

a. Define communication.

b. Highlight two ways people communication.

 

QUESTION 2

In a linear diagram using water as your substance, explain the following:

a. Evaporation

b. Melting point

c. Boiling point

 

QUESTION 3

a. What is a matter?

b. List three states of matter.

 

QUESTION 4

In three sentences each describe the following in water:

a. Evaporation

b. Boiling point

 

QUESTION 5

A lorry of mass 100kg is travelling at a velocity of 15m/s. calculate its kinetic ENERGY.

JSS 2 BASIC SCIENCE

SECTION A

ANSWER ALL QUESTIONS. 

Instruction: Fill the gaps with the most suitable word from the options A – D. 

1. _________ is transmitted through the air to our ears.

(a) Light

(b) Sound

(c) Breeze

(d) noise

 

2. The outer ear is called _________.

(a) eardrum

(b) auditory meatus

(c) pinna

(d) canal

 

3. Radioactive elements are _________ of atoms of elements.

(a) isotopy

(b) isotopes

(c) covalent

(d) ionic

 

4. The revolution of the moon round the earth causes _________.

(a) day

(b) mouth

(c) season

(d) year

 

5. Some sounding instruments includes all except _________.

(a) hard sticks

(b) talking drum

(c) whistle

(d) toothpaste

 

6. Like poles _________ and unlike poles attract.

(a) contract

(b) repel

(c) dismantle

(d) disengage

 

7. Ammeters are measured in Ampere, while voltmeters are measured in _________.

(a) ammeter

(b) volt

(c) vetter

(d) voter

 

8. _________ is a natural oxide of iron.

(a) hydroxide

(b) peroxide

(c) sodium hydroxide

(d) loadstone

 

9. Elements in house circuit include all except _________.

(a) circuit breaker

(b) meter box

(c) tester

(d) fuse box

10. The temperature at which a substance changes from liquid to vapour is _________ Point.

(a) boiling

(b) freezing

(c) melting

(d) vapour

 

11. Loadstone was discovered in _________ over 2000 years ago.

(a) India

(b) China

(c) America

(d) Korea

 

12. Apple fruit contains _________ acid.

(a) citric

(b)  acetic

(c) ascorbic

(d) tartaric

 

13. The function of lipase is to digest _________.

(a) starch

(b) proteins

(c) fats

(d) vitamins

 

14. _________ energy are energy gotten due to electron flow.

(a) electrical

(b) potential

(c) mechanical

(d) nuclear

15. Which of the following blood group is a universal donor?

(a) AB

(b) O

(c) A

(d) B

 

16. _________ is the spontaneous decay of the electron.

 

17. The sound waves make the thin membrane called the _________ to vibrate.

 

18. _________ field is the region of space where magnetic force could be felt.

 

19. _________ starts to produce sex cells during puberty.

 

20. Induced abortion is a type of abortion. YES/NO.

    SECTION B

ANSWER FOUR (4) QUESTIONS ONLY. 

QUESTION 1

a. Define loadstone.

b. State any two laws of magnetism

 

QUESTION 2

a .What are electrons?

b. List two measuring instruments in electric currents.

 

QUESTION 3

a. In a diagram, illustrate parallel circuit

b. Mention two major ways of connecting electrical circuit.

QUESTION 4

a. Mention four reasons for skill acquisition.

b. Write three importance of skill acquisition.

 

QUESTION 5

a. What is (i) Teenage pregnancy (ii) Radioactive

b. List any five radioactive elements.

 

QUESTION 6

a. Define abortion.

b. List three types of radiation.

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