(a) Write short notes on the following:
(i) habitat
(ii) ecological niche.(b) (i) List three instruments used in the measurement of different ecological factors.
(ii) Briefly state what each instrument listed in (b) (i)…
See more
2005
(a) Explain the following terms:
(i) trait
(ii) recessive gene
(iii) test cross
(iv) heterozygous(b) How do you determine whether a man with blood group '0' and married to a woman with blood group 'AB' is the father…
See more
2005
(a) (i) Define asexual reproduction.(ii) Name two types of asexual reproduction which occur in animals giving one example in each case.(b) In a tabular form outline four differences between sexual and asexual reproductio…
See more
2005
(a) Define enzymes.(b) State six characteristics of enzymes.(c) Describe the role of pancreatic juice in the digestion of carbohydrates and proteins in a mammal.(d) In what form is carbohydrate stored in (i) animals (ii)…
See more
2005
(a) List four functions of.the mammalian skeleton and name a particular part of the skeleton which performs each of these functions.(b) Briefly describe how muscles and bones bring about movement at the elbow.(c) How is…
See more
2005
(a) Write a short note on the importance of the presence of an effective transport system in mammals.(b) state eight functions of blood in mammals.(c) list four materials transported in the bodies of flowering plants.
See more
2005
Which of the following adaptation is no found in fruits and seeds dispersed by the win '?
See more
2005
A mayor difference between plants and animals is that
See more
2005
A virus can sometimes be regarded as a living organism because it
See more
2005
The group mollusca is characterized by the presence of
See more
2005
Which of the following groups embraces the rest?
See more
2005
Which of the following pairs of organisms are photosynthetic?
See more
2005
Which of these organs can be considered vestigial in humans but functional in other mammals? The
See more
2005
A serious disadvantage of complexity in higher organisms is
See more
2005
One important characteristic of green plants is that they
See more
2005
The main similarity between unicellular and multicellular organisms is that both
See more
2005
Which of the following statements defines plasmolysis?
See more
2005
Which of the following substance pass through the root cell membrane by osmosis?
See more
2005
In active transport, molecules move against a concentration gradient, therefore
See more
2005
Which of the following Best explains why It is difficult to see clearly in dim light?