Third Term Examination Biology Senior Secondary Schools (SS 2) Exam Questions

BIOLOGY THIRD TERM EXAMINATION SENIOR SECONDARY SCHOOLS (SS 2) EXAM QUESTIONS

SECTION A – OBJECTIVES

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

1. The movement of diaphragm is characteristics of gaseous exchange.

(a) Insect

(b) Fish

(c) Toad

(d) Mammals

 

2. _______ is the part of gaseous exchange in Fish.

(a) Gill

(b) Operculum

(c) Scale

(d) Fin

 

3. The stamata of a leaf performs the same function as the _______.

(a) spiracle of insect

(b) tracheal

(c) pharynx of man

(d) scale

 

4. A grasshopper respires by means of it’s _______.

(a) lung book

(b) gills

(c) tracheal tube

(d) lungs

 

5. The unique habitat created by mixing of fresh and salt water is _______.

(a) brackish

(b) river

(c) ocean

(d) stream

 

6. In the mammalian tooth, the pulp cavity contains _______.

(a) pulp

(b) blood vessels

(c) pulp like structures

(d) stomach

 

7. Which of the following organ produces bile?

(a) A gall bladder

(b) Pancreas

(c) Liver

(d) Cement

 

8. The driest habitat is _______.

(a) desert

(b) forest

(c) savannah

(d) swamp

 

9. Which of the following is xenomorphic plant?

(a) Cactus

(b) Water leaf

(c) Water lily

(d) Balsam

 

10. Trypanosome is transmitted by a vector _______.

(a) Tse fly

(b) white fly

(c) aphis

(d) bees

 

11. Pulse taking is aimed at determining proper functioning of the _______.

(a) heart

(b) kidney

(c) lungs

(d) liver

 

12. Coconut fruit is a _______.

(a) drupe

(b) berry

(c) pome

(d) borosis

 

13. _______ fruits are the fruits which spilt open to release their seeds when rope.

(a) Dehiscent

(b) Indehiscent

(c) Schizocarp

(d) Follicle

 

14. _______ germination is defined as the type of germination in which the cotyledon or seed leaves are carried above the soil surface.

(a) Epigeal

(b) Hypogeal

(c) Hypergeal

(d) Hymegeal

 

15. Example of protozoa is _______.

(a) euglena

(b) amoeba

(c) hydra

(d) cilia

 

16. When the solute concentration of the cell and it’s surrounding medium are the same is _______.

(a) hypertonic

(b) hypotonic

(c) solute

(d) isotonic

 

17. _______ the breaking down of complex organic molecules into simple substance releasing energy.

(a) Anabolism

(b) Catabolism

(c) Metabolism

(d) Metabolism

 

18. The dental formula of man is _______.

(a) i=2\2, C=1\1, p= 2\2, m=3\3

(b) i= 2\1, c=0/0, p= 3/2, m= 3/3

(c) i =3/3, c=1/1, p= 4/4, m=2/3

(d) I=3/1, c=0/2, p=3/3, m= 2/3

 

19. Skull, vertebral column or backbone the ribs and sternum or breastbone are made up of _______

(a) axial

(b) appendicular

(c) the skull

(d) the cranium

 

20. Muscles are attached to the bones by means of non elastic tough whitish cord of fibrous material called _______.

 

SECTION B – FILL IN THE GAPS

21. _______ is the transformation of organisms from egg to adult stage.

22. Pollination is made possible through _______ and _______.

23. _______ the border between uterus and vagina.

24. The most sensitive part of the retina is _______.

25. The union of male and female gametes to form a zygote is _______.

26. Mango is example of _______.

27. _______ is the study of heredity and variation.

28. PNS means _______.

29. _______ are organic chemical substances secreted by ductless glands.

30. Body temperature as well as water balance can be controlled by _______.

 

SECTION C – THEORY

INSTRUCTION – ATTEMPT THREE (3) QUESTIONS. 

QUESTION 1

A. Define reproduction and types

B. Mention the female and the male reproductive parts of the plant.

 

QUESTION 2. Explain the following –

A. Germination

B. Growth

C. Pollination

D. Androecium

E. Gynoecium

 

QUESTION 3

A. What is fruit?

B. Draw a well labelled diagram of the structure of mango.

C. List 4 classes of fruit.

 

QUESTION 4

A. Define habitat.

B. Mention three (3) types of habitat.

C. List the abiotic factor affecting terrestrial habitat.

D. State two (2) types of marshes habitat.

 

QUESTION 5

Write short notes on the followings –

A. Terrestrial habitat

B. Marine habitat

C. Photosynthesis

D. Osmoregulation

E. Homeostasis

 

SECTION D – ALTERNATIVE TO PRACTICAL

INSTRUCTIONS – Identify the specimens A-J and answer the following questions:

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

 

QUESTION 1

A. Identify the specimens.

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

C. Mention 3 ways specimen A can be preserved.

 

QUESTION 2

2. Identify the specimen C and G and E and state their botanical name and class.

 

QUESTION 3

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

 

QUESTION 4. Identify specimen D and F and state their end product after digestion.

 

QUESTION 5. State the common and botanical name of specimen H and give one economic important of it.

 

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