Get premium membership and access questions with answers, video lessons as well as revision papers.
(a) Oxygen;
(b) More gas / oxygen produced at PH 9.0 than PH 9.0 4.0; PH 9.0 is optimum / suitable for
the activity of enzyme catalase;
sharon kalunda answered the question on May 22, 2019 at 09:07
- The diagram below represents a plant
a) Name the division to which the plant belongs.
b) Give a reason for your answer in (a) above.(Solved)
The diagram below represents a plant
a) Name the division to which the plant belongs.
b) Give a reason for your answer in (a) above.
Date posted: May 22, 2019. Answers (1)
- 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. Answers (1)
- Why is excretion important in living organisms?(Solved)
Why is excretion important in living organisms?
Date posted: May 21, 2019. Answers (1)
- 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. Answers (1)
- What is the role of pepsin?(Solved)
What is the role of pepsin?
Date posted: April 28, 2019. Answers (1)
- 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. Answers (1)
- Name three methods mammals use to lose heat from their bodies(Solved)
Name three methods mammals use to lose heat from their bodies.
Date posted: April 26, 2019. Answers (1)
- 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. Answers (1)
- 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. Answers (1)
- Explain how body size affect the rate of transpiration in animals(Solved)
Explain how body size affect the rate of transpiration in animals.
Date posted: April 23, 2019. Answers (1)
- Name the different types of joints in the body(Solved)
Name the different types of joints in the body.
Date posted: April 22, 2019. Answers (1)
- Essay on how the small intestines are adapted to their function(Solved)
Essay on how the small intestines are adapted to their function
Date posted: April 21, 2019. Answers (1)
- State four reason why water is significant in seed germination.(Solved)
State four reason why water is significant in seed germination.
Date posted: April 17, 2019. Answers (1)
- Explain how the following occurs during gene mutation (1) Deletion (2) Inversion(Solved)
Explain how the following occurs during gene mutation (1) Deletion (2) Inversion
Date posted: April 17, 2019. Answers (1)
- State three measures taken to control protozoan diseases(Solved)
State three measures taken to control protozoan diseases.
Date posted: April 13, 2019. Answers (1)
- Explain a mechanism through which a body maintains a constant body temperature?(Solved)
Explain a mechanism through which a body maintains a constant body temperature?
Date posted: April 11, 2019. Answers (1)
- 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. Answers (1)
- Name the site for gaseous exchange in members of class insects
(Solved)
Name the site for gaseous exchange in members of class insects
Date posted: April 10, 2019. Answers (1)
- Describe the Darwin theory of natural selection(Solved)
Describe the Darwin theory of natural selection.
Date posted: April 9, 2019. Answers (1)
- The photomicrographs below shows the male and female flowers of maize plant.
(a) With reference to the photos, describe how the flowering habit of maize encourages...(Solved)
The photomicrographs below shows the male and female flowers of maize plant.
(a) With reference to the photos, describe how the flowering habit of maize encourages wind
Pollination
(b) In a maize plant, the anthers normally ripen before the stigmas are mature and ready to receive
pollen. This encourages cross pollination. Explain the advantages of cross pollination in plants
Date posted: April 1, 2019. Answers (1)