Desert – Long loop of henle; to increase
S.A for water re-absorption;
Fresh water – short loop of henle; to reduce S.A for water re-absorption;
Kavungya answered the question on September 30, 2019 at 10:01
- During cold weather, very small mammals eat more than their own weight of food per day whereas large mammals eat food which is only a...(Solved)
During cold weather, very small mammals eat more than their own weight of food per day whereas large mammals eat food which is only a small fraction of their weight. Give an explanation for this.
Date posted: September 30, 2019. Answers (1)
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State the advantage of breeding seasons in Mammals other than Man?
Date posted: September 30, 2019. Answers (1)
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State the function of interstitial cells found in testis.
Date posted: September 30, 2019. Answers (1)
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During a surgical operation, a doctor accidentally cut two blood vessels A and B. Out of blood vessel A, blood was spurting out while through blood vessel B, blood was flowing smoothly.
i) Identify blood vessels A and B.
Date posted: September 30, 2019. Answers (1)
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Name one hormone which promotes spermatogenesis in human males.
Date posted: September 30, 2019. Answers (1)
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a) Follicle stimulating hormone.
b) Oestrogen.
c) Luteinizing hormone.(Solved)
Give the role of the following hormones during menstrual cycle.
a) Follicle stimulating hormone.
b) Oestrogen.
c) Luteinizing hormone.
Date posted: September 30, 2019. Answers (1)
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(Solved)
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Date posted: September 30, 2019. Answers (1)
- A student examining pond water came across a certain living organisms which he drew as shown below.(Solved)
A student examining pond water came across a certain living organisms which he drew as shown below.
i) Identify the organism shown above.
ii) State the kingdom of the above organism.
iii) Name the structure labeled A.
iv) State the function of the part labeled B.
Date posted: September 30, 2019. Answers (1)
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State the circumstances in which more blood Sugar may be found in the hepatic portal vein than in any other blood vessels.
Date posted: September 30, 2019. Answers (1)
- 60 water beetles were caught and marked before being released to their pond. The next day,
another 60 water beetles were caught; 20 of which had...(Solved)
60 water beetles were caught and marked before being released to their pond. The next day,
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Date posted: September 30, 2019. Answers (1)
- A form three student came across two different types of fruits which are described as follows(Solved)
A form three student came across two different types of fruits which are described as follows:
Fruit A
Has free central placentation, hard epicarp and fibres air-filled mesocarp.
Fruit B
Hasaxile placentation, fleshy mesocarp and brightly colouredepicarp.
a) Suggest the possible agent of dispersal of each type of fruit
Date posted: September 30, 2019. Answers (1)
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State a way in which size is an important factor in temperature regulation in Mammals.
Date posted: September 30, 2019. Answers (1)
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Which part of the body produce Antidiuretic hormone.
Date posted: September 30, 2019. Answers (1)
- From the functional point of view, state why the heart and capillaries are considered to
be the most important part of the circulatory system?(Solved)
From the functional point of view, state why the heart and capillaries are considered to
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Date posted: September 30, 2019. Answers (1)
- a)Give the products of aerobic respiration in plants and animals.
(b) Name two factors that affect the rate of respiration.(Solved)
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(b) Name two factors that affect the rate of respiration.
Date posted: September 30, 2019. Answers (1)
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Name and state the functions of four valves found in Mammalian heart.
Date posted: September 30, 2019. Answers (1)
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The diagram below is that of a gill of a fish.
a) Name the parts labeled A and B.
b) State the function of part labeled C.
c) Explain how structure labeled A is adapted to its function.
Date posted: September 30, 2019. Answers (1)
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Classify the following organisms into Phylum and Class.
Date posted: September 30, 2019. Answers (1)
- Describe experiments you would conduct to show that;
(a) Carbon (IV) oxide, (b) Chlorophyll (c) Sunlight are necessary for the process of photosynthesis(Solved)
Describe experiments you would conduct to show that;
(a) Carbon (IV) oxide, (b) Chlorophyll and (c) Sunlight are necessary for the process of photosynthesis under the following subheadings:-
(i) Aim
(ii) Materials and apparatus
(iii) Procedure
(iv) Expected observation
(v) Conclusion
Date posted: September 25, 2019. Answers (1)
- The table below shows how variation in environmental temperature relate to the body temperatures of two different types of animals A and B.(Solved)
The table below shows how variation in environmental temperature relate to the body temperatures of two different types of animals A and B.
(a) Using the information in the table above, plot a graph on same axes of body temperatures animals against environmental temperature.
(b) With reference to thermoregulation, state the general name given to animals of the A and B types.
A - type animals
B - type animals
(c) What three advantages do B-type animals have over A-type animals?
(d) Briefly describe how B-type
i) Physiologically respond to heat
ii) Physiologically respond to cold
Date posted: September 25, 2019. Answers (1)