BIOLOGY THIRD TERM EXAMINATION SENIOR SECONDARY SCHOOLS (SS 1) EXAM QUESTIONS

SECTION A – OBJECTIVES

INSTRUCTION – CHOOSE THE CORRECT ANSWER FROM THE OPTIONS A – D. 

1. _______ is a branch of biology that classifies all living things

(a) Taxonomy

(b) Taxonomist

(c) Phylum

(d) Division

 

2. Rattus ratus is a scientific name of _______.

(a) lion

(b) goat

(c) rat

(d) cat

 

3. _______ is a protest and a typical example of an organism sharing both the characteristics of plant and animal.

(a) Euglena viridis

(b) Hydra

(c) Paramecium

(d) Spirogyra

 

4. Plant can be sub-divided into two classes _______ and _______.

(a) dicot and monocot plant

(b) dicot and monocot

(c) tricot and dicot

(d) spermatophites

 

5. Hydra is an example of _______ organism.

(a) unicellular

(b) multicellular

(c) malticellular

(d) tetracellular

 

6. _______ is a small functional unit of life.

(a) Cell

(b) Body

(c) Porain

(d) Tissues

 

7. The type of nutrition in which organism are able to manufacture their own food is called _______.

(a) Autotroph

(b) Heterotrophic

(c) Symbiosis

(d) Nutrition

 

8. Which of the following plant part is not a storage organs?

(a) Carrot root

(b) Sugar cane stem

(c) Onion leaf

(d) Cassava root

 

9. The earthworm is important because _______.

(a) it’s body is always moist

(b) each of it’s segment has ehetae

(c) it has a clitellum

(d) it operates the soil

 

10. Oil is sprayed over stagnant water in which mosquitoes breed in order to _______.

(a) provide landing surface for the adults.

(b) prevent larva or pupa from attaching itself to the surface.

(c) prevent the water from overheating.

(d) provide surface for laying their eggs.

 

11. Termites are called social insects because _______.

(a) The nests are built by the nasute soldiers

(b) they live together in communities

(c) The Queen allocates duties to the workers

 

12. Which of the following organisms does not exist as a single cell?

(a) Amoeba

(b) Euglena

(c) Volvox

(d) Chlamydomonas

 

13. Which of the following diseases results from the deficiency of insulin?

(a) Cretinism

(b) Goitre

(c) Beri

(d) Diabetes

 

14. Roots hairs absorb water from the soil by _______.

(a) diffusim

(b) osmosis

(c) plasmolysis

(d) Translocation

 

15. The teeth used for tearing and cutting are _______.

(a) canine and molars

(b) premolar and incisors

(c) molar and incisors

(d) canine and incisors

 

16. Which of the following instruments can be used to measure relative humidity?

(a) anemometers

(b) hygrometer

(c) wind Gauge

(d) barometer

 

17. In a food chain each stage in the chain is a _______.

(a) chain level

(b) web level

(c) trophic level

(d) Productive level

 

18. Transpiration takes place in the leaf through _______.

(a) stomata

(b) cuticle

(c) mesophyll

(d) midrib

 

19. Which of the following processes removes CO² from the atmosphere?

(a) Respiration

(b) Photosynthesis

(c) Transpiration

(d) Combustion

 

20. The mode of nutrition which describes feeding habits in animals is _______.

(a) autotrophic

(b) holozoic

(c) holophytic

(d) saprophytic

 

SECTION B – FILL IN THE GAPS

21. _______ is a branch of biology that classes all living things.

22. The scientific name of lion is _______.

23. The heating of some food products to about 72⁰c for about 15 minutes and it’s immediate cooling for the storage purpose is called _______.

24. _______ involves the study of plants and animals.

25. The vector of the malaria parasite is the _______.

26. _______, _______ are phytoplankton and algae which traps energy to produce food substance.

27. _______ are organisms which produce their own food.

28. The process of change in cells during growth and development is called _______.

29. _______ are organic chemical substances secreted by ductless glands (or endocrine glands).

30. Pituitrin, thyroxine, adrenalin, insulin are examples of a _______.

 

SECTION C – THEORY

INSTRUCTION – ATTEMPT 3 QUESTIONS ONLY IN THIS SECTION. 

QUESTION 1

Explain the followings:

A. Turgidity

B. Plasmolysis

C. Osmosis

D. Diffusion

E. Hemolysis

 

QUESTIONS 2

A. Define cell.

B. With a well diagram of a named cell, state only 5 function of the organelles.

 

QUESTIONS 3

A. What is population?

B. State 5 factors affecting population.

C. What is the different between population density and population size?

 

QUESTIONS 4

A. Mention biological classification of plant.

B. State 7 causes of food shortage.

 

QUESTIONS 5

A. Define metamorphosis.

B.  List two types of metamorphosis.

C. With a well annotated diagram, describe the life cycle of a named insect.

 

QUESTIONS 6

A. Define nutrition.

B. Write notes on the followings:

(i) Chemosynthesis

(ii) Holotrophic

(iii) Autotrophic

(iv) Heterotrophic

C. State the two laws of thermodynamics.

 

SECTION D – ALTERNATIVE TO PRACTICAL BIOLOGY

INSTRUCTIONS – USE THE BELOW SPECIMENS TO ANSWER THE QUESTIONS THAT FOLLOWS:  

Specimen A – Fish

Specimen B – Cockroach

Specimen C – Bread

Specimen D – Onion

Specimen E – Dried milk

Specimen F – Banana

Specimen G – Grass

Specimen H – Orange

Specimen I – Egg

Specimen J – Mango

 

QUESTIONS 1

A. Draw a well labelled diagram of specimen A and the role of gills.

B. Mention 3 ways specimen A can be preserved.

 

QUESTIONS 2 – State the botanical name and class of specimen C and G and E.

QUESTION 3 – What are 3 importance of specimen B. This specimen can be divided into _______, _______ and _______.

QUESTION 4 – State the end product product of specimen D and F after digestion.

QUESTION 5 – State the botanical name of specimen H and its economic important.

QUESTION 6 – Mention one common family of specimen C , G and I.