Get premium membership and access questions with answers, video lessons as well as revision papers.
(a) Effect of unilateral / unidirectional light on shoots;
(b) Seedlings / shoot grows / bends; towards light / growth curvature towards light;
sharon kalunda answered the question on May 28, 2019 at 08:13
- Which component of the blood gives the body immunity?(Solved)
Which component of the blood gives the body immunity?
Date posted: May 28, 2019. Answers (1)
- State the kidney disorder characterized by production of large volume dilute urine.(Solved)
State the kidney disorder characterized by production of large volume dilute urine.
Date posted: May 28, 2019. Answers (1)
- 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. Answers (1)
- Give one way in which pteridophyta differ from spermatophyta.(Solved)
Give one way in which pteridophyta differ from spermatophyta.
Date posted: May 28, 2019. Answers (1)
- 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. Answers (1)
- Name two genetic disorders of the blood.(Solved)
Name two genetic disorders of the blood.
Date posted: May 28, 2019. Answers (1)
- Study the diagram and answer the questions that follow
(a) In which set-up did the lime water become turbid?.
(b) Explain your answer in (a) above.(Solved)
Study the diagram and answer the questions that follow
(a) In which set-up did the lime water become turbid?.
(b) Explain your answer in (a) above.
Date posted: May 28, 2019. Answers (1)
- The following set up was used in an experiment
(a) State the function of the following in the set –up.
i). damp cotton wool
ii) Silica gel.
iii) Wax.
b)...(Solved)
The following set up was used in an experiment
(a) State the function of the following in the set –up.
i). damp cotton wool
ii) Silica gel.
iii) Wax.
b) Deduce the condition that must be present in a termite habitat
Date posted: May 28, 2019. Answers (1)
- 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. Answers (1)
- The diagram below represents a specialized plant structure
(a) Name the cells labelled A and B
(b) Describe the mechanism of closing of aperture C(Solved)
The diagram below represents a specialized plant structure
(a) Name the cells labelled A and B
(b) Describe the mechanism of closing of aperture C
Date posted: May 28, 2019. Answers (1)
- How is a palisade cell suited to carry out photosynthesis?(Solved)
How is a palisade cell suited to carry out photosynthesis?
Date posted: May 28, 2019. Answers (1)
- Describe how natural selection results to speciation(Solved)
Describe how natural selection results to speciation
Date posted: May 28, 2019. Answers (1)
- Describe the response of hair on the skin during cold weather(Solved)
Describe the response of hair on the skin during cold weather
Date posted: May 28, 2019. Answers (1)
- Name any two receptor cells on the skin of man(Solved)
Name any two receptor cells on the skin of man
Date posted: May 28, 2019. Answers (1)
- Name the structures in the following organisms that would insulate heat loss
(i) Birds
(ii) Mammals(Solved)
Name the structures in the following organisms that would insulate heat loss
(i) Birds
(ii) Mammals
Date posted: May 28, 2019. Answers (1)
- The question below represents a chemical equation that takes place in green plants under certain conditions
(a) Name substance X
(b) Other than the conditions stated...(Solved)
The question below represents a chemical equation that takes place in green plants under certain conditions
(a) Name substance X
(b) Other than the conditions stated in the equation, state two other conditions necessary for the reaction
(c) Name two types of cells in which this process occurs
(d) Name the process represented by the equation given above
(e) State the importance of the process named in 5(d) above
Date posted: May 28, 2019. Answers (1)
- 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...(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
(iii) Between C and D
(iv) Other than temperature, state two factors that affect the above reaction
Date posted: May 28, 2019. Answers (1)
- What would happen if a person secreted less antidiuretic hormone into the blood circulation?(Solved)
What would happen if a person secreted less antidiuretic hormone into the blood circulation?
Date posted: May 28, 2019. Answers (1)
- State the hameostatic functions of the following hormone.
(i) Insulin
(ii) Glucagon(Solved)
State the hameostatic functions of the following hormone.
(i) Insulin
(ii) Glucagon
Date posted: May 28, 2019. Answers (1)
- State the inactive form of the enzyme trypsin.(Solved)
State the inactive form of the enzyme trypsin.
Date posted: May 28, 2019. Answers (1)