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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.

You can use the NEXT button to move to the next question, use the PREV button to move to the previous question, the CLEAR button to clear any answer of your choice and you have the FINISH button to end the exam if you choose to.

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

Which of the following inherited conditions usually shows incomplete dominance?

2 / 40

Territoriality is a phenomenon among

3 / 40

Which of the following physical factor is likely to affect the distribution of plants in a pond?

4 / 40

Which of the following substances is not a conservable natural resource?

5 / 40

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

6 / 40

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

7 / 40

Which of the following organisms feeds both autotrophically and heterotrophically?

8 / 40

Which of the following organisms is a primary consumer

9 / 40

Which of the following processes does not contribute towards growth?

10 / 40

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

11 / 40

Which of the following statements is correct about organs?

12 / 40

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

13 / 40

The ear pinna is strengthened by

14 / 40

Plant hormones includes the following except

16 / 40

The axial skeleton is composed of the

17 / 40

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

18 / 40

The colour that is associated with a positive iodine test is

19 / 40

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

20 / 40

The transfer of ripe pollen grains from another to the stigma of the same flower is termed

21 / 40

Evidence for evolution include the following except

22 / 40

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

23 / 40

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

24 / 40

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

25 / 40

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

26 / 40

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

27 / 40

Which of these diseases cannot be spread by an insect?

28 / 40

Population growth rate may be defined as the

29 / 40

A seed of a flower plant can best be described as

30 / 40

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

32 / 40

Which of the organisms does not show colour adaptation to its environment?

33 / 40

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

34 / 40

Two organelles directly involved in mitotic cell division are

35 / 40

Which of the following organisms is well adapted for fluid feeding?

36 / 40

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

37 / 40

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

38 / 40

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

39 / 40

The mode of nutrition common to green plants is

40 / 40

Which of the following statements about ecosystems is false?

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