Bracts;
sharon kalunda answered the question on May 22, 2019 at 09:10
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Equal amounts of crushed Irish potato were placed in equal volumes of hydrogen peroxide solution
at indicated pH. The volume of the gas produced was measured...
(Solved)
Equal amounts of crushed Irish potato were placed in equal volumes of hydrogen peroxide solution
at indicated pH. The volume of the gas produced was measured and recorded as shown in the table
below.
(a) Name the gas that was produced.
(b)Account for the difference in the volume of the gas produced in pH 4.0 and pH 9.0
Date posted:
May 22, 2019
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Answers (1)
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Name the branch of Biology that involves the study of Organisms for the sake of classifying them.
(Solved)
Name the branch of Biology that involves the study of Organisms for the sake of classifying them.
Date posted:
May 22, 2019
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Answers (1)
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Explain the reason why growing grass dries when salt is sprinkled on it?
(Solved)
Explain the reason why growing grass dries when salt is sprinkled on it?
Date posted:
May 4, 2019
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Answers (1)
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Name two chemicals used to immobilize highly mobile animals during collection of small animals
(Solved)
Name two chemicals used to immobilize highly mobile animals during collection of small animals
Date posted:
April 28, 2019
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Answers (1)
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List down the three theories that explain the opening and closing of stomata
(Solved)
List down the three theories that explain the opening and closing of stomata.
Date posted:
April 26, 2019
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Answers (1)
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State two functions of mucus produced along the alimentary canal
(Solved)
State two functions of mucus produced along the alimentary canal.
Date posted:
April 26, 2019
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Answers (1)
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A certain animal has no incisors no canine 6 premolars and 6 molars in its upper jaw.Ln the...
(Solved)
A certain animal has no incisors no canine 6 premolars and 6 molars in its upper jaw. In the lower jaw there are 6 incisors 2 canine 6 premolars and 6 molars. Write its dental formula.
Date posted:
April 10, 2019
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Answers (1)
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How does the human eye obtain nutrients
(Solved)
How does the human eye obtain nutrients
Date posted:
April 1, 2019
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Answers (1)
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Name the features that increases the surface area of the small intestines.
(Solved)
Name the features that increases the surface area of the small intestines.
Date posted:
April 1, 2019
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Answers (1)
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The diagram below shows a vertical section through a flower.
(a) Name the parts marked X and Y.
(b) Suggest the agent of pollination for the flower.
(c)...
(Solved)
The diagram below shows a vertical section through a flower.
(a) Name the parts marked X and Y.
(b) Suggest the agent of pollination for the flower.
(c) Give a reason for your answer in (b) above.
Date posted:
April 1, 2019
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Answers (1)
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Name three gaseous constituents involved in gaseous exchange in plants
(Solved)
Name three gaseous constituents involved in gaseous exchange in plants.
Date posted:
March 26, 2019
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Answers (1)
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Explain why water logging of the soil may lead to death in plants
(Solved)
Explain why water logging of the soil may lead to death in plants.
Date posted:
March 26, 2019
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Answers (1)
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The diagram below shows part of plant tissue.
(Solved)
The diagram below shows part of plant tissue.
(i) Name the cell labelled X and part labelled W.
(ii) State two adaptations of cell labelled X to its functions.
Date posted:
March 22, 2019
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Answers (1)
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If the nerve supply to the heart of a mammal is servered, the rhythmic heart movement will still go on and the heart continues to...
(Solved)
If the nerve supply to the heart of a mammal is servered, the rhythmic heart movement will still go on and the heart continues to beat. Explain this observation
Date posted:
March 22, 2019
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Answers (1)
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The action of pepsin stops in the duodenum. Explain.
(Solved)
The action of pepsin stops in the duodenum. Explain.
Date posted:
March 22, 2019
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Answers (1)
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What is the importance of heartbeat in blood circulation?
(Solved)
What is the importance of heartbeat in blood circulation?
Date posted:
March 22, 2019
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Answers (1)
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The figure below shows a stem of a plant growing round a tree trunk
(Solved)
The figure below shows a stem of a plant growing round a tree trunk
a) What is the name of the response which causes such a twisted growth?
b) Explain how twisting process is accomplished
Date posted:
March 22, 2019
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Answers (1)
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State three features that a grasshopper, a crab, a spider and a millipede have in common.
(Solved)
State three features that a grasshopper, a crab, a spider and a millipede have in common.
Date posted:
March 22, 2019
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Answers (1)
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In what form is carbon IV oxide transported in blood?
(Solved)
In what form is carbon IV oxide transported in blood?
Date posted:
March 22, 2019
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Answers (1)
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State the importance of each of the following features in animals;
a) Solid food being broken down into small pieces.
b) Presence of caecum in herbivorous mammals.
(Solved)
State the importance of each of the following features in animals;
a) Solid food being broken down into small pieces.
b) Presence of caecum in herbivorous mammals.
Date posted:
March 22, 2019
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Answers (1)