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These are Biology Past Questions. 40 questions will be picked at random from the question bank.

You have 30 minutes to answer all the questions.

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Any question not answered before the end of the exam time, will be marked as wrong and the exam will end by itself. so try to attempt all questions on time.


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1 / 40

The axial skeleton is composed of the

2 / 40

In the binomial system of naming organism, the second name is called the

3 / 40

An organisms which maintains a constant temperature irrespective of environment temperature fluctuation is

4 / 40

The accepted concepts for theory of Natural selection does not include

5 / 40

Which of the following organisms is not considered as a parasitic plant?

6 / 40

The ear pinna is strengthened by

7 / 40

Which of the following instruments is used to measure wind speed?

8 / 40

A termite with a relatively large head and powerful Jaws is likely to be

9 / 40

Which of the following organisms has kidney as their excretory organ?

10 / 40

The following practice can contribute towards the conservation of natural resources except

11 / 40

The order of prmary succession by plants in a very dry habitat is

12 / 40

Which of the following enzymes is not one of the main classes of enzymes

13 / 40

The order of evolutionary trend in plants is

14 / 40

Which of the following statements about the development of the foetus is not correct?

15 / 40

The importance of the concentration of chloroplast in the palisade layer of the leaf is for maximum exposure to

16 / 40

A group of closely related organism capable of interbreeding to produce fertile offspring are known as members of

17 / 40

The mode of nutrition common to green plants is

18 / 40

Which of the following statements best describe pollination? The transfer of pollen grain from

19 / 40


Which of the following substances has the highest amount of energy in joules per unit weight?

20 / 40

Which of the following processes is not an example of a reflex action?

21 / 40

What does the chemical composition of the genetic material of all living organisms consist of?

22 / 40

The colour that is associated with a positive iodine test is

23 / 40

A seed of a flower plant can best be described as

24 / 40

The persistent presence of glucose in a person’s urine indicates malfunctioning of the

25 / 40

The effects of environmental degradation caused by human activities can be controlled by the following measures except

26 / 40

Which of the following organisms feeds both autotrophically and heterotrophically?

27 / 40

Which of the following diseases is not hereditary

28 / 40

Which of the following pH values is the best for the action of the emzymes – renin and pepsin in the stomach?

29 / 40

Which of the following organisms are the producers in an aquatic habitat?

30 / 40

Which of these diseases cannot be spread by an insect?

31 / 40

Two organelles directly involved in mitotic cell division are

32 / 40

The following life processes are common to both plants and animals except

33 / 40

The first step in carrying out ecological studies in a terrestrial habitat as

34 / 40

Which of the following inherited conditions usually shows incomplete dominance?

35 / 40

Population growth rate may be defined as the

36 / 40

Which of the following statements about ecosystems is false?

37 / 40

Which of the following processes does not contribute towards growth?

38 / 40

The sudden change in a gene structure or chromosome number in an organism likely to cause known as

39 / 40

Plant hormones includes the following except

40 / 40

Territoriality is a phenomenon among

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