BASIC SCIENCE FIRST TERM EXAMINATION JSS 1

      FIRST 

Examination malpractices may lead to a repeat of the subject or suspensions don’t be involved.   

SUBJECT   BASIC SCIENCE                CLASS: J. S. S ONE                   DURATION 2HR

SECTION A (OBJECTIVES)

Instruction: Answer ALL questions in this section. All question carries equal mark 

1. All the following are examples of the three states of matter except? (a) kerosene, steam and stone (b) oxygen, water and chair (c) steam, water and palm oil (d) smoke, palm oil and stone

1. The process by which a substance changes from solid state to the liquid state on application of heat is called (a) liquefying (b) dissolving (c) melting (d) freezing
2. In which state of matter do the particles move freest? (a) solid (b) liquid (c) gas (d) river
3. Animals that are used to carry goods are referred to as (a) load carriers (b) burden bearers (c) beast of burden (d) domestic animals
4. Which of the following is not usefulness of plants to man (a) source of food (b) source of medicine (c) for sports (d) source of vegetables
5. Which of these is correct about plants (a) movement is passive (b) they do not move at all (c) response to stimuli is fast (d) they feed on sunlight 
6. All these are peculiar to all living things except (a) irritability (b) sleeping (c) respiration (d) nutrition
7. Which of these following statement is true of plants (a) they have active movement (b) they do not respond to stimuli (c) they take in carbon dioxide (d) they depend on animals for food
8. Metals are good conductors of ——– and ——– (a) heat and electricity (b) wire and heat (c) fire and heat (d) fire and electricity
9. The following are non-metals except (a) wood (b) plastic (c) rubber (d) zinc
10. The first occurrence of menstruation is called (a) blood flow (b) menarche (c) menstruation (d) none of the above
11. Which of these is not a practice that those at puberty should  exhibit (a) Bathing at least once daily (b) Spending more time sleeping (c) Frequent washing of hands especially after using toilet (d) Maintaining a tidy appearance
12. The science of preserving and improving health is called (a) hygiene (b) cleanliness (c) environmental sanitation (d) none of the above 
13. Which of the following is acts should not be encouraged? (a) bath regularly (b) keep your environment clean (c) you can litter the environment with only paper waste (d) keep your finger nails clean
14. A student who practices good personal hygiene will enjoy the following except (a) vulnerability to diseases (b) happiness (c) emotional stability (d) good health
15. ____ is the process of keeping places free from dirt which causes infections, diseases and germs (a) hygiene (b) cleanliness (c) environmental sanitation (d) none of the above
16. Which of these is not a major function of food? (a) to provide energy (b) to sustain life (c) to make us fairer (d) to make us grow
17. The following are classes of food except (a) protein (b) vitamins (c) fruits (d) carbohydrates
18. The diet that contain all the six classes of food in their right proportion is called (a) appetizer (b) balanced diet (c) complete food (d) charismas food 
19. Which of the following is an example of carbohydrate (a) rice (b) milk (c) beans (d) egg
20. The following are of drugs except (a) coconut (b) tobacco (c) alcohol (d) marijuana
21. Which of these is not importance of drug? (a) it saves life (b) it multiply suffering (c) it relieves pains (d) it helps to fight against diseases
22. Drug addiction is caused by which of these? (a) self-control (b) curiosity (c) effect of good company (d) control of emotion
23. The following are side effects of drug addiction except (a) it leads to committing crime (b) it can affect some organs of the body (c) it can cause mental disorder (d) it can increase proper reasoning
24. A chemical substance which affects the action of the body is called (a) food (b) diet (c) drug (d) natural resources
25. The fusion of the male and the female sex cell is called (a) fertilization (b) conception (c) menstruation (d) pregnancy
26. The type of reproduction that involve only single parent is called (a) sexual reproduction (b) bi-sexual reproduction (c) asexual reproduction (d) isolated reproduction
27. Which of the following organ is associated with the female reproductive system (a) testes (b) ovary (c) urethra (d) penis 
28. The male sex cell is called (a) penis (b) testis (c) sperm (d) scrotum
29. The part of the female reproduction that receives the penis during copulation is called (a) anus (b) vagina (c) womb (d) ova

SECTION B (THEORY):  Instruction: Attempt any THREE questions in this section

1. (a) Explain the following terms: (i) matter (ii) condensation    4marks(b) State four uses of non-metals                        2marks(c) Mention four pubertal changes in girls                 4marks
2. (a) What is Puberty?                            2marks(b) List the three states of matter with 2 examples each    6 marks (c) Define freezing                                2marks
3. (a) Explain three characteristics of living things            6marks(b) What is environmental sanitation?                    2marks(c) State two disadvantages of poor personal hygiene         2marks
4. (a) List three personal care during puberty                3marks(b) Highlight four uses of plants                    4marks (c) State three importance of food                    3marks
5. (a) What is food?                                2marks(b) Explain drug abuse                            2marks(c) What is reproduction?                            2marks(d) Explain balanced diet and list the 6 classes of food        4marks