- High humidity reduces concentration gradient of water vapour between the intercellular air spaces of the leaves and atmosphere hence reducing rate of transportation
Kavungya answered the question on October 3, 2019 at 07:55
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Why is pepsin secreted in its inactive form?
(Solved)
Why is pepsin secreted in its inactive form?
Date posted:
October 3, 2019
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Answers (1)
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The equation below represents a process that takes place in plants.
(i) Name the process.
(ii) State two factors not shown in the equation that are necessary...
(Solved)
The equation below represents a process that takes place in plants.
(i) Name the process.
(ii) State two factors not shown in the equation that are necessary for the process to take place.
Date posted:
October 3, 2019
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Answers (1)
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Name the causative agent of the following disease in humans:Tuberculosis
(Solved)
Name the causative agent of the following disease in humans:Tuberculosis
Date posted:
October 3, 2019
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Answers (1)
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A 4 cm straight piece of stem from a herbaceous plant was split lengthwise into two similar pieces. The pieces were placed in sugar solutions...
(Solved)
A 4 cm straight piece of stem from a herbaceous plant was split lengthwise into two similar pieces. The pieces were placed in sugar solutions of different concentrations for 30 minutes. Their appearance after 30 minutes is as shown below.
Account for appearance of the pieces in solution A and B.
Date posted:
October 3, 2019
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Answers (1)
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A cell magnified 800 times using a light microscope whose eye piece was x20. What was the magnification of the objective lens?
(Solved)
A cell magnified 800 times using a light microscope whose eye piece was x20. What was the magnification of the objective lens?
Date posted:
October 3, 2019
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Answers (1)
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State two functions of a microscope.
(Solved)
State two functions of a microscope.
Date posted:
October 3, 2019
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Answers (1)
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During a field trip, a student collected a specimen that had the following characteristics
- 2 body parts
- More than 4 pairs of limbs
-had a carapace
(a)...
(Solved)
During a field trip, a student collected a specimen that had the following characteristics
- 2 body parts
- More than 4 pairs of limbs
-had a carapace
(a) Identify the class into which the organism belongs.
(b) Other than the head, name the other body part.
Date posted:
October 3, 2019
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Answers (1)
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Briefly explain the economic importance of the housefly and how it is controlled.
(Solved)
Briefly explain the economic importance of the housefly and how it is controlled.
Date posted:
October 1, 2019
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Answers (1)
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List down at least five characteristics of the class insecta.
(Solved)
List down at least five characteristics of the class insecta.
Date posted:
October 1, 2019
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Answers (1)
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Briefly explain how an aquatic green plant meets light intensity and carbon – dioxide requirements.
(Solved)
Briefly explain how an aquatic green plant meets light intensity and carbon – dioxide requirements.
Date posted:
October 1, 2019
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Answers (1)
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A certain metabolic pathway takes the following sequence.
J ----- K ----- L ----- M ----- N
At the start of the experiment an inhibitor was added to the reactants....
(Solved)
A certain metabolic pathway takes the following sequence.
J ----- K ----- L ----- M ----- N
At the start of the experiment an inhibitor was added to the reactants. After the experiment it was found that there was the same concentration of J more than normal concentration of K; near absence of L, M, and N.
When L was added to the inhibitor set M and N were detected.
a)At what stage of the reaction sequence did the inhibitor have its effects?
b)Explain how the inhibitor affected the reaction.
Date posted:
October 1, 2019
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Answers (1)
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Below is a list of some sources of energy:
Coal, Nuclear Energy, Petroleum, Hydroelectric Power, Solar Energy and Wind Energy. Classify them into:
a)Non – renewable
b)Renewable
(Solved)
Below is a list of some sources of energy:
Coal, Nuclear Energy, Petroleum, Hydroelectric Power, Solar Energy and Wind Energy. Classify them into:
a)Non – renewable
b)Renewable
Date posted:
October 1, 2019
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Answers (1)
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Name any three common bone disorders in man.
(Solved)
Name any three common bone disorders in man.
Date posted:
October 1, 2019
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Answers (1)
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Explain the terms receptors, conductors and effectors
(Solved)
Explain the terms receptors, conductors and effectors
Date posted:
October 1, 2019
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Answers (1)
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List three types of joints found in the skeleton and state the location of each.
(Solved)
List three types of joints found in the skeleton and state the location of each.
Date posted:
October 1, 2019
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Answers (1)
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List the components of the mammalian sensory system
(Solved)
List the components of the mammalian sensory system
Date posted:
October 1, 2019
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Answers (1)
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Name the main systems for coordination in animals
(Solved)
Name the main systems for coordination in animals
Date posted:
October 1, 2019
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Answers (1)
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It is estimated that the total length of the capillaries in man is 60km. They are much branched, thin walled and narrow. Explain...
(Solved)
It is estimated that the total length of the capillaries in man is 60km. They are much branched, thin walled and narrow. Explain the significance of these features.
Date posted:
October 1, 2019
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Answers (1)
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What is coordination in animals
(Solved)
What is coordination in animals
Date posted:
October 1, 2019
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Answers (1)
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A person of blood group B marries a woman of blood group B. Work out the possible blood group of their children.
(Solved)
A person of blood group B marries a woman of blood group B. Work out the possible blood group of their children.
Date posted:
October 1, 2019
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Answers (1)