15 votes, 4.3 avg




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.


School Portal Nigeria

1 / 40

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

2 / 40

The order of evolutionary trend in plants is

3 / 40

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

4 / 40

A seed of a flower plant can best be described as

5 / 40

The colour that is associated with a positive iodine test is

6 / 40

The mode of nutrition common to green plants is

7 / 40

Evidence for evolution include the following except

8 / 40

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

9 / 40

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

10 / 40

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

11 / 40

Which of the following organisms is a primary consumer

12 / 40

Which of the following statements is correct about organs?

13 / 40

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

14 / 40

Two organelles directly involved in mitotic cell division are

15 / 40

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

16 / 40

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

17 / 40

A man suffering from obesity must avoid meals containing

18 / 40

The accepted concepts for theory of Natural selection does not include

19 / 40

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

20 / 40

Territoriality is a phenomenon among

21 / 40

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

22 / 40

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

23 / 40

Which of the following organisms feeds both autotrophically and heterotrophically?

24 / 40

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

25 / 40

Finger prints are useful in crime detection because

26 / 40

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

27 / 40

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

28 / 40

Which of the following statements about ecosystems is false?

29 / 40

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

30 / 40

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

31 / 40

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

32 / 40

Plant hormones includes the following except

33 / 40

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

34 / 40

Which of these diseases cannot be spread by an insect?

35 / 40

Population growth rate may be defined as the

36 / 40

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

37 / 40

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

38 / 40

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

39 / 40

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

40 / 40

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

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