(a) i). To create moiture
ii). To absorb water and create a dry environment
iii) To make the apparatus airtight
(b) moisture, since majority congregate where cotton wool is wet.
sharon kalunda answered the question on May 28, 2019 at 07:18
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A student set up an experiment as shown in the diagram below.
a) (i) What was being investigated in the experiment?.
(ii) Draw a diagram to indicate...
(Solved)
A student set up an experiment as shown in the diagram below.
a) (i) What was being investigated in the experiment?.
(ii) Draw a diagram to indicate the expected results of the experiment after three days.
(iii) Why was it necessary to have wet cotton wool in the container.
b) What is the role of the following in a germinating seed.
(i) Oxygen
(ii) Cotyledons
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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Date posted:
May 28, 2019
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Date posted:
May 28, 2019
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May 28, 2019
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Date posted:
May 28, 2019
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Explain the shape of the curve:
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(ii) At...
(Solved)
The graph below show the rate of an enzyme controlled reaction against temperature (OC)
Explain the shape of the curve:
(i) Between A and B
(ii) At Point C
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Date posted:
May 28, 2019
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Answers (1)
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What would happen if a person secreted less antidiuretic hormone into the blood circulation?
Date posted:
May 28, 2019
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Date posted:
May 28, 2019
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Answers (1)
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Explain why trypsin is secreted in inactive form
Date posted:
May 28, 2019
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Answers (1)
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May 28, 2019
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Answers (1)
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May 28, 2019
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Date posted:
May 28, 2019
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(Solved)
Chloroplasts in a palisade cell move away from extreme light intensity. Name the type of response by the chloroplast.
Date posted:
May 28, 2019
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Answers (1)
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(Solved)
Which plant growth hormone induces parthenocapy?
Date posted:
May 28, 2019
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Answers (1)
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A student in form 3 caught an organism which had the following characteristics.
(i) Body divided into two parts
(ii) Simple eyes
(iii) Eight legs
Classify the organism up...
(Solved)
A student in form 3 caught an organism which had the following characteristics.
(i) Body divided into two parts
(ii) Simple eyes
(iii) Eight legs
Classify the organism up to the class level
Date posted:
May 28, 2019
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Answers (1)
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Explain each of the following:
(a) A mature plant cell does not lose its shape even after losing water
(b) Xylem vessels do not collapse even when...
(Solved)
Explain each of the following:
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Date posted:
May 28, 2019
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Answers (1)
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(i)Identify the mode of feeding of the animal whose dental formula is shown below
(ii) Give reasons for your answer in (i) above
(Solved)
(i)Identify the mode of feeding of the animal whose dental formula is shown below
(ii) Give reasons for your answer in (i) above
Date posted:
May 28, 2019
.
Answers (1)
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The diagram below represents a cell as seen under an electron microscope.
a) Identify the parts labeled A and D.
b) State the function of the...
(Solved)
The diagram below represents a cell as seen under an electron microscope.
a) Identify the parts labeled A and D.
b) State the function of the structures found on the part labeled D.
Date posted:
May 28, 2019
.
Answers (1)
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An experiment was carried out to investigate transpiration and absorption of water in sunflower plants in their natural environment with adequate supply of water. The...
(Solved)
An experiment was carried out to investigate transpiration and absorption of water in sunflower plants in their natural environment with adequate supply of water. The amount of water was determined in two hour intervals. The results are shown in the table below.
(a) Using the same axes, plot graphs to show transpiration and absorption of water in grammes against time of the day.
(b) At what time of the day was the amount of water the same for transpiration and absorption.
(c) Account for the shape of the graph of
(i) Transpiration
(ii) Absorption
(d) What would happen to transpiration and absorption of water if the experiment was continued till 0050 hours.
(e) Name two factors that may affect transpiration and absorption at any given time.
(f) Explain how the factors you named in (e) above affect transpiration.
Date posted:
May 28, 2019
.
Answers (1)