1. a) Body covered with exoskeleton . . . . . . . . . . . . . . . . . . . . . go to 2
b) Body covered with feathers . . . . . . . . . . . . . . . . . . . . . . . . . P. velatus
2. a) Animal with wings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S. gregaria
b) Animals without wings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . go to 3
3. a) Animals with 4 pairs of legs . . . . . . . . . . . . . . . . . . . . . . . . . C. Sapidus
b) Animal with 4 more than 4 pair of legs . . . . . . . . . . . . . . . . . go to 4
4. a) Animals with 2 pairs of legs per segment . . . . . . . . . . . . . . . S . gifan
b) Animals with 1 pair of legs per segment . . . . . . . . . . . . . . . . S. Coleopata
b) i) Class - insecta
Reason - 3 body parts
3 pairs of walking limbs
ii) Class - chilopoda 1
Reasons - 1 pair of legs per segment
- 1 pair of antennea
- 2 body parts (head and trunk)
- Body dorsal - ventrally flattened
sharon kalunda answered the question on May 28, 2019 at 13:09
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a)A student from Kegonga used a microscope with X40 objective lens and X5 eye piece lens which had 2mm radius and
counted 5 cells. Calculate the...
(Solved)
a)A student from Kegonga used a microscope with X40 objective lens and X5 eye piece lens which had 2mm radius and
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b) What is the average size of the cell in micrometers?
Date posted:
May 28, 2019
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Answers (1)
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The diagrams below shows leaves obtained from five different plants.
Using the key provided identify the plants from which the leaves were obtained in each case...
(Solved)
The diagrams below shows leaves obtained from five different plants.
Using the key provided identify the plants from which the leaves were obtained in each case give the sequence of steps in the key which you followed to arrive at the identify.
1 (a) Leaf simple -------------------------------------------------------------- go to 2
(b) Leaf compound ---------------------------------------------------------------- go to 4
2. (a) Leaf with parallel veins------------------------------------------------------- Maize
(b) Leaf with network vein ------------------------------------------------------- go to 3
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(b) Leaf margin serrated ---------------------------------------------------------- Hibiscus
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Date posted:
May 28, 2019
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Answers (1)
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(Solved)
In an ecological study a certain insect population and that of predators was estimated in a certain grassland over a period of 1 year (one year).
(a) Using the information above plot on the same axis the graph of number of insects and number of predators against time in months.
(b) Suggest what happens to the insect’s population during dry months.
(c) Explain the relationship between the insect population and that of predators.
(d) Suggest what happens to the predator’s population during dry month.
(e) Name the trophic level occupied by:-
(i) Predator
(ii) Insects
(iii) Grass
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(i) Predator
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Date posted:
May 28, 2019
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Answers (1)
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Date posted:
May 28, 2019
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Answers (1)
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(Solved)
Define a fossil.
Date posted:
May 28, 2019
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Answers (1)
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Students set up an experiment as shown below. Use it to answer the questions that follow.
(a) What was the aim of the experiment?
(b) What...
(Solved)
Students set up an experiment as shown below. Use it to answer the questions that follow.
(a) What was the aim of the experiment?
(b) What observation would be made in test tube B?
(c) Explain the results in (b) above.
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(e) State four application of anaerobic respiration.
Date posted:
May 28, 2019
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Answers (1)
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In fruit flies (Drosophila melanongaster) inheritance of eye colour is sex linked. The gene for red eye is dominant.
Across was made between homozygous red eyed...
(Solved)
In fruit flies (Drosophila melanongaster) inheritance of eye colour is sex linked. The gene for red eye is dominant.
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Date posted:
May 28, 2019
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Answers (1)
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(Solved)
What is tissue fluid?
Date posted:
May 28, 2019
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Answers (1)
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The apparatus below are used to investigate an aspect of photosynthesis.
(a) Name the aspect of photosynthesis being investigated.
(b) How can one verify the identity...
(Solved)
The apparatus below are used to investigate an aspect of photosynthesis.
(a) Name the aspect of photosynthesis being investigated.
(b) How can one verify the identity of the gas that accumulates in test tube?
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(d) What environmental factor are required in order to give positive results?
Date posted:
May 28, 2019
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Answers (1)
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(Solved)
State three distinguishing features of mammalian rib bone.
Date posted:
May 28, 2019
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Answers (1)
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(Solved)
State the site of production of progesterone.
Date posted:
May 28, 2019
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Answers (1)
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(Solved)
Give a reason why lumbar vertebrae have long and broad transverse processes.
Date posted:
May 28, 2019
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Answers (1)
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(Solved)
Distinguish between homozygote and heterozygote.
Date posted:
May 28, 2019
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Answers (1)
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Name the kingdom into which the prokaryotes are placed.
(Solved)
Name the kingdom into which the prokaryotes are placed.
Date posted:
May 28, 2019
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Answers (1)
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In an experiment young potted seedlings were placed in a dark box with unilateral light source as shown below.
(a) What was the aim of the...
(Solved)
In an experiment young potted seedlings were placed in a dark box with unilateral light source as shown below.
(a) What was the aim of the experiment?.
(b) State the observation made of on the seedling after 3 days.
Date posted:
May 28, 2019
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Answers (1)
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Which component of the blood gives the body immunity?
(Solved)
Which component of the blood gives the body immunity?
Date posted:
May 28, 2019
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Answers (1)
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(Solved)
State the kidney disorder characterized by production of large volume dilute urine.
Date posted:
May 28, 2019
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Answers (1)
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Explain the role of antidiuretic hormone when there is excess water in the human body.
(Solved)
Explain the role of antidiuretic hormone when there is excess water in the human body.
Date posted:
May 28, 2019
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Answers (1)
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Give one way in which pteridophyta differ from spermatophyta.
(Solved)
Give one way in which pteridophyta differ from spermatophyta.
Date posted:
May 28, 2019
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Answers (1)
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Give a reason why it is difficult to calculate Respiratory Quotient (RQ) in plants.
(Solved)
Give a reason why it is difficult to calculate Respiratory Quotient (RQ) in plants.
Date posted:
May 28, 2019
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Answers (1)