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Biology2006

WASSCE · 64 questions · Answers included

64 questions

1

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

2

Which of these organelles is common to both plant and animal cells?

3

The epidermis of the mammalian skin is an example of a tissue because the cells

4

Which of the following statements is correct about organs?

5

The structure used for movement in Amoeba is

6

Which of the following parts of a cell is not an organelle?

7

The folded portion of mitochondrion is called

8

The physical process which occurs when a red blood cell is placed in distilled water causing it to burst and break down is known as

9

During the process of osmosis a semi-permeable membrane allows

10

Which of the following environmental conditions is ideal for plant cells to remain turgid?

11

Which of the following processes does not contribute towards growth?

12

The aspects of growth in living organisms include all the following processes except

13

Support in young herbaceous plants is provided by

14

Which of the following heart structures is best adapted to cope with double circulation?

15

Which of these factors does not contribute towards the ascent of water in plants?

16

Gaseous exchange occurs through the following structures in some organisms except

17

Which of the following organs in mammals is not excretory in function?

18

The ventricles of the mammalian heart have thicker muscular walls than the auricles because the

19

Which of the following substances is not an excretory product in mammals?

20

An organism which maintains a constant temperature irrespective of environmental temperature fluctuation is

21

Which of the following conditions is responsible for the presence of sugar in the blood of diabetic patients?

22

The central nervous system in humans is made up of the

23

The part of the ear in mammals responsible for the detection of sound is the

24

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

25

Which of the following vertebrae provide articulating surfaces for the ribs?

26

Which of the following is not a component of the appendicular skeleton?

27

If the mucus in the air track of mammals dry up and the hairs in the nostrils are removed

28

A one-seeded fruit in which the pericarp has fused with the seed coat is classified as

29

Study the following list of deficiency symptoms in animals; use it to answer the questions below I. Loss of appetite and weight; II. Delayed healing of wounds; III. Rickets; IV Sterility in animals V Failure of blood to clot; VI. Night blindness Which of the following deficiencies is caused by lack of vitamin A

30

Study the following list of deficiency symptoms in animals; use it to answer the questions below I. Loss of appetite and weight; II. Delayed healing of wounds; III. Rickets; IV Sterility in animals V Failure of blood to clot; VI. Night blindness Which of the following vitamins would correct the deficiency numbered V?

31

Study the following list of deficiency symptoms in animals; use it to answer the questions below I. Loss of appetite and weight; II. Delayed healing of wounds; III. Rickets; IV Sterility in animals V Failure of blood to clot; VI. Night blindness Which of the following combination of food substances would correct the deficiency numbered II?

32

Which of the following food substances would produce a translucent mark when rubbed on a white paper?

33

If an enzyme works best in an acid medium, in which of the following parts of the human gut is the pH best for enzyme activities? In the

34

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

35

The examples of autotrophic organisms include the following except

36

Which of the following organisms feeds both autotrophically and heterotrophically?

37

Siphons and gills are structures in aquatic organisms used for

38

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

39

Which of the following components of an ecosystem does not contribute to the biomass of the system?

40

The group of several populations that interact and share a habitat, form

41

The physical and chemical factors which affect the life of organisms in an environment are described as

42

Which of these factors are common to both aquatic and terrestrial habitats?

43

Organisms that feed essentially on plants within any ecosystem may be referred to as

44

Which of the following statements about feeding relationships is correct?

45

Which of these diseases cannot be spread by an insect?

46

Air pollution can be reduced by the following methods except?

47

An effective management of natural resources to ensure their continued yield from generation to generation may involve all the following except

48

Which of the following orders correctly represents the trend in eutrophication?

49

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

50

Variation is a factor which

51

Which of the following trait in humans is not a morphological variation?

52

The blood group in humans referred to as a universal recipient is

53

If a heterozygous red flowered plant, (Rr) was self-fertilized, the offspring would be expected to be

54

The contrasting pair of genes affecting a trait and located at the same position on homologous chromosomes is referred to as

55

The haploid number of chromosomes in humans is

56

a pure breeding white cat (homozygous dominant) mates with a pure breeding black cat (recessive), what would be the fur colour of F 1 generation

57

Courtship behaviour in animals may include all of the following except

58

Honey-Bee workers carry out the following functions except

59

The long necks and legs of the present day giraffes were some of the basis of

60

Which of the following vertebrae provide articulating surfaces for the ribs?

61

Which of the following vertebrae provide articulating surfaces for the ribs?

62

The ventricles of the mammalian heart have thicker muscular walls than the auricles because the

63

The physical and chemical factors which affect the life of organisms in an environment are described as

64

Which of the following orders correctly represents the trend in eutrophication?