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Biology2003

WASSCE · 41 questions · Answers included

41 questions

1

Which of the following is not correct about human cell?

2

Which organ removes the largest the largest quantity of water from the blood?

3

In cold condition the mammalian body reacts in the following ways except

4

The glomerular filtrate contains the following substances except?

5

Which of the following endocrine glands is a master gland?

6

The endocrine gland secreting hormone that induces the thyroid gland to produce more thyroxine is

7

The part of the nervous system that interprets blinking of the eye is the

8

Which of the following is the function of the iris of the mammalian eye?

9

The layer of light-sensitive cells in the human eye is called the

10

Placentation of plants is best described as the

11

The function of the amniotic fluid in humans is to

12

Which of the following statements about water in humans is not correct? it

13

In the test for starch, the leaf is first placed in boiling water to

14

Which of the following groups of compounds are products of the light stage of photosynthesis? I. Ribulose bi-phosphate (RuBP) II. Nicotin amide di-phosphorous (NADPH2) III. Oxygen (O 2) IV. Adenosine Triphosphate (ATP)

15

Which of the following is considered to be the first product of photosynthesis?

16

Which of the following organisms exhibits extracellular digestion?

17

Which of the following essential substances is contained in vegetables?

18

Good quality food will perform the following functions in humans except

19

The type of nutrition shown by Spirogyra is

20

Ecology is best defined as the study of

21

Which of the following values showing the total biomass of organisms in a food chain represents the secondary consumer?

22

Which of the following environmental factors is not considered in a terrestial habitat?

23

The gas produced during decomposition of matter is

24

Fish cannot survive on land because it has

25

Pneumatophores are essential for

26

Which of the following will have the least effect on the rate of change of the numbers in a population?

27

Competition among individuals of a population increases the

28

Rabbits cannot survive in an aquatic because they have

29

Viruses are pathogens of the following diseases except

30

Renewable resources are formed by

31

Forest conservation includes the following except

32

Legumes incorporate nitrogen gas into their proteins because

33

Which of the following is an example of discontinuous variation?

34

Which of following pairs of scientists discovered the Rhesus factor in human blood?

35

The organic molecule (s) present in the nucleus is/are

36

In an experiment, a red-flowered plant was crossed with another red-flowered plant and the following results were obtained: 448 red flowers and 154 white flowers in the F 1 generation. Which of the following represents the phenotypic ratio of the above genetic cross?

37

In an experiment, a red-flowered plant was crossed with another red-flowered plant and the following results were obtained: 448 red flowers and 154 white flowers in the F 1 generation.Which of the following represents the genotypes of the parents if R is for red gene and r for white gene?

38

In Mendel's experiments, it was discovered that the skin of an African can be attributed to

39

Sickle-cell anaemia has persisted in the human race due to

40

Which of the following is not a behavioural adaptation used by social animals?

41

In natural selection, Darwin proposed that evolution occurred because of the following conditions except