a) Phototropism;
b) Auxins migrate from the side of the shoot that is exposed to light towards the darker side;
The higher concentration of auxins on the darker side stimulates rapid growth hence the
shoot bends towards the light source;
Kavungya answered the question on June 17, 2019 at 11:12
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Explain why it is important to go for voluntary counseling and testing (VCT) on HIV/AIDS
(Solved)
Explain why it is important to go for voluntary counseling and testing (VCT) on HIV/AIDS
Date posted:
June 17, 2019
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Answers (1)
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Name the disease in human caused by plasmodium falciparum.
(Solved)
Name the disease in human caused by plasmodium falciparum.
Date posted:
June 17, 2019
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Answers (1)
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Malaria is a common disease in Kenya:-(a) What causes the disease?(b) State one control measure of the disease
(Solved)
Malaria is a common disease in Kenya:-
(a) What causes the disease?
(b) State one control measure of the disease
Date posted:
June 17, 2019
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Answers (1)
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How does the parasite plasmodium vivax gain entry into its host?
(Solved)
How does the parasite plasmodium vivax gain entry into its host?
Date posted:
June 17, 2019
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Answers (1)
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State three characteristics of cells found just behind the root cap of a radicle
(Solved)
State three characteristics of cells found just behind the root cap of a radicle
Date posted:
June 17, 2019
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Answers (1)
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Give two functions of pleural membrane
(Solved)
Give two functions of pleural membrane
Date posted:
June 17, 2019
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Answers (1)
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Name the type of responses exhibited by:-(i) Marine crabs burrowing into the sand to avoid dilution of their body fluids(ii) Chlamy domonas plant moving towards...
(Solved)
Name the type of responses exhibited by:-
(i) Marine crabs burrowing into the sand to avoid dilution of their body fluids
(ii) Chlamydomonas plant moving towards a region of high light intensity
Date posted:
June 17, 2019
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Answers (1)
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Explain how placenta is adapted to its functions
(Solved)
Explain how placenta is adapted to its functions
Date posted:
June 17, 2019
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Answers (1)
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Explain why monocotyledons plants do not undergo secondary thickening.
(Solved)
Explain why monocotyledons plants do not undergo secondary thickening.
Date posted:
June 17, 2019
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Answers (1)
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State the role of the vascular cambium in plant growth and development.
(Solved)
State the role of the vascular cambium in plant growth and development.
Date posted:
June 17, 2019
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Answers (1)
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State the biological importance of ecdysis in arthropods.
(Solved)
State the biological importance of ecdysis in arthropods.
Date posted:
June 17, 2019
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Answers (1)
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What is the role of the following to a germinating seed? (i) Oxygen(ii) Cotyledons
(Solved)
What is the role of the following to a germinating seed?
(i) Oxygen
(ii) Cotyledons
Date posted:
June 17, 2019
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Answers (1)
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State one disadvantage of exoskeleton in insects.
(Solved)
State one disadvantage of exoskeleton in insects.
Date posted:
June 17, 2019
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Answers (1)
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The cells shown below were obtained from different parts of a young root tip:
Give the name of the zone from which each cell was obtained...
(Solved)
The cells shown below were obtained from different parts of a young root tip:
Give the name of the zone from which each cell was obtained A, B and C
Date posted:
June 17, 2019
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Answers (1)
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An experiment was set-up as shown in the diagram below:-
(a) Suggest the possible aim of this experiment
(b) Account for the observation at the end of...
(Solved)
An experiment was set-up as shown in the diagram below:-
(a) Suggest the possible aim of this experiment
(b) Account for the observation at the end of the experiment
Date posted:
June 17, 2019
.
Answers (1)
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State the location of Vascular cambium.
(Solved)
State the location of Vascular cambium.
Date posted:
June 17, 2019
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Answers (1)
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State the importance of moulting in insects.
(Solved)
State the importance of moulting in insects.
Date posted:
June 17, 2019
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Answers (1)
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Describe the behavioural adaptations of animals to temperature
(Solved)
Describe the behavioural adaptations of animals to temperature
Date posted:
June 17, 2019
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Answers (1)
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Study the genetic chart below showing the inheritance of the gene responsible for haemophilia
in a family.
a) Write the genotype of individuals A, B, F
b) A...
(Solved)
Study the genetic chart below showing the inheritance of the gene responsible for haemophilia
in a family.
a) Write the genotype of individuals A, B, F
b) A member of this family labelled F marries a haemophiliac male. What will be the phenotypic
ratio of the offspring? Show your workings
c) Other than the condition stated above, state any other two common genetic disorders that
result from gene mutation.
Date posted:
June 17, 2019
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Answers (1)
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i)Identify the nucleic acid whose base sequence is shown below:
G-A-C-U-A-G-A-C-G
ii) Give a reason for your answer in c (i) above
iii) If the nucleic acid was...
(Solved)
i)Identify the nucleic acid whose base sequence is shown below:
G-A-C-U-A-G-A-C-G
ii) Give a reason for your answer in c (i) above
iii) If the nucleic acid was involved in protein synthesis, how many amino acids would be
present in the protein synthesized? Give a reason
Date posted:
June 17, 2019
.
Answers (1)