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0
votes
Describe how the human male reproductive system is adapted to perform its function
answered
Jul 28, 2021
in
Biology Form 3
reproduction in humans
0
votes
A group of students carried out a study of the population growth of flour weevils. They put16grams and 64 grams of maize flour into two equal boxes K and L respectively. They then introduced equal numbers of weevils into the boxes. The boxes were kept under similar environmental conditions. The weevils were counted at intervals and the results recorded in the table below.
answered
Jul 28, 2021
in
Biology Form 3
ecology
population
0
votes
The equation bellows shows a chemical reaction that takes place in green plants under certain conditions
answered
Jul 28, 2021
in
Biology Form 1
nutrition in plants
0
votes
The table below shows the concentration of sodium and iodine ions in pond water and in the cell sap of water lettuce plant.
answered
Jul 28, 2021
in
Biology Form 1
cell physiology
0
votes
The diagram below represents human foetus in a uterus.
answered
Jul 28, 2021
in
Biology Form 3
reproduction
0
votes
What is meant by the term oxygen debt?
answered
Jul 28, 2021
in
Biology Form 3
respiration
0
votes
What would be the fate of pyruvic acid if oxygen supply is availed in the mitochondria of an animal cell
answered
Jul 28, 2021
in
Biology Form 3
respiration
0
votes
Study the flow chart below of a process that takes place in both plants and animals.
answered
Jul 28, 2021
in
Biology Form 2
respiration
0
votes
Name one other cause of water pollution apart from oil spills.
answered
Jul 28, 2021
in
Biology Form 3
ecology
0
votes
How does oil spills lead to death of fish.
answered
Jul 28, 2021
in
Biology Form 3
ecology
0
votes
The diagram below represents a feeding relationship in an ecosystem.
answered
Jul 28, 2021
in
Biology Form 3
ecology
0
votes
To establish the population of tilapia using the capture method, 60 fish were captured and released. In the second capture out of 72 fish, 10 had been marked. Calculate the estimated population of tilapia. (show your working)
answered
Jul 28, 2021
in
Biology Form 3
ecology
0
votes
Name the causative agent of the following diseases in man.
answered
Jul 28, 2021
in
Biology Form 3
reproduction in humans
diseases
0
votes
Differentiate between hypogeal and epigeal germination in seeds.
answered
Jul 28, 2021
in
Biology Form 3
growth and development
0
votes
Name a growth inhibitor in seed.
answered
Jul 28, 2021
in
Biology Form 3
growth and development
0
votes
What is seed dormancy?
answered
Jul 28, 2021
in
Biology Form 3
growth and development
0
votes
Explain why some desert animals excrete uric acid rather than ammonia.
answered
Jul 28, 2021
in
Biology Form 3
excretion and homeostasis
0
votes
A student visiting a game park observed an adult elephant flapping its ears twice as much as its calf in order to cool its body when it is hot. Explain.
answered
Jul 28, 2021
in
Biology Form 2
respiration
0
votes
A plant stem was put in a solution. After 30 minutes a cell from the stem looked like the one drawn below;
answered
Jul 28, 2021
in
Biology Form 1
cell physiology
0
votes
What is the biological importance of the larval stage during metamorphosis
answered
Jul 28, 2021
in
Biology Form 3
growth and development
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