Questions by anonymous

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1 answer

Describe how the human male reproductive system is adapted to perform its function

asked Jul 28, 2021 in Biology Form 3

0 votes

1 answer

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.

asked Jul 28, 2021 in Biology Form 3

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1 answer

The equation bellows shows a chemical reaction that takes place in green plants under certain conditions

asked Jul 28, 2021 in Biology Form 1

0 votes

1 answer

The table below shows the concentration of sodium and iodine ions in pond water and in the cell sap of water lettuce plant.

asked Jul 28, 2021 in Biology Form 1

0 votes

1 answer

The diagram below represents human foetus in a uterus.

asked Jul 28, 2021 in Biology Form 3

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1 answer

What is meant by the term oxygen debt?

asked Jul 28, 2021 in Biology Form 3

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1 answer

What would be the fate of pyruvic acid if oxygen supply is availed in the mitochondria of an animal cell

asked Jul 28, 2021 in Biology Form 3

0 votes

1 answer

Study the flow chart below of a process that takes place in both plants and animals.

asked Jul 28, 2021 in Biology Form 2

0 votes

1 answer

Name one other cause of water pollution apart from oil spills.

asked Jul 28, 2021 in Biology Form 3

0 votes

1 answer

How does oil spills lead to death of fish.

asked Jul 28, 2021 in Biology Form 3

0 votes

1 answer

The diagram below represents a feeding relationship in an ecosystem.

asked Jul 28, 2021 in Biology Form 3

0 votes

1 answer

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)

asked Jul 28, 2021 in Biology Form 3

0 votes

1 answer

Name the causative agent of the following diseases in man.

asked Jul 28, 2021 in Biology Form 3

0 votes

1 answer

Differentiate between hypogeal and epigeal germination in seeds.

asked Jul 28, 2021 in Biology Form 3

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1 answer

Name a growth inhibitor in seed.

asked Jul 28, 2021 in Biology Form 3

0 votes

1 answer

What is seed dormancy?

asked Jul 28, 2021 in Biology Form 3

0 votes

1 answer

Explain why some desert animals excrete uric acid rather than ammonia.

asked Jul 28, 2021 in Biology Form 3

0 votes

1 answer

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.

asked Jul 28, 2021 in Biology Form 2

0 votes

2 answers

A plant stem was put in a solution. After 30 minutes a cell from the stem looked like the one drawn below;

asked Jul 28, 2021 in Biology Form 1

0 votes

1 answer

What is the biological importance of the larval stage during metamorphosis

asked Jul 28, 2021 in Biology Form 3

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