Questions by anonymous

0 votes

1 answer

State two functions of the cuticle in insects.

asked Jul 8, 2021 in Biology Form 3

0 votes

1 answer

State two adaptations that enable birds to fly.

asked Jul 8, 2021 in Biology Form 4

0 votes

1 answer

The diagram below illustrates the variation in atmospheric temperature in the course of a day and the body temperature of two animals A and B. Study it and answer the questions that follow.

asked Jul 8, 2021 in Biology Form 3

0 votes

1 answer

A form four student was found to have blood group AB+.

asked Jul 8, 2021 in Biology Form 2

0 votes

1 answer

Explain comparative serology as an evidence of evolution.

asked Jul 8, 2021 in Biology Form 4

0 votes

1 answer

The following diagrams represent different animal structures.

asked Jul 8, 2021 in Biology Form 4

0 votes

1 answer

State the functions of lymph nodes.

asked Jul 8, 2021 in Biology Form 1

0 votes

1 answer

State two ways in which the skeletal muscle fibres are adapted to their function.

asked Jul 8, 2021 in Biology Form 4

0 votes

1 answer

The diagram below shows section through the flower of a certain plant.

asked Jul 8, 2021 in Biology Form 3

0 votes

1 answer

Wet cotton wool was put in two flasks M and N. Soaked seeds are added to M and an equal number of boiled seeds to N. Both groups of seeds were first soaked in sodium hypochlorite solution before being put in the flasks. The flasks were securely corked and left in the same conditions of light and temperature for ten days. The cork from each flask was removed and each tilted over a test-tube of calcium hydroxide solution as shown in T.

asked Jul 8, 2021 in Biology Form 1

0 votes

1 answer

Short-horned grasshopper moults five times before reaching adult size. Draw the kind of growth curve you would expect for the grasshopper if the changes in its length are plotted against time.

asked Jul 8, 2021 in Biology Form 3

0 votes

1 answer

The figure below shows the change in the concentration of various substances in a river following the discharge of untreated sewage into it.

asked Jul 8, 2021 in Biology Form 3

0 votes

1 answer

A form four student was walking around the school compound and saw leaves from nandi flame tree on the ground.

asked Jul 8, 2021 in Biology Form 3

0 votes

1 answer

Two farmers prepared two ponds Q and R and introduced equal number of fish in each pond. The fish in pond Q died within seven days of being introduced into the pond. Those of pond R survived. On close examination of the ponds, it was found that one of the ponds was full of algae and the other had no algae.

asked Jul 8, 2021 in Biology Form 2

0 votes

1 answer

State two functions of calcium in the human body.

asked Jul 8, 2021 in Biology Form 1

0 votes

1 answer

The figure below represents a cell organelle found in the somatic cell of a certain organism.

asked Jul 8, 2021 in Biology Form 1

0 votes

1 answer

A plastic container fill of water was stoppered using a piece of stem obtained from a young maize plant whose bark had been peeled off. The next day it was noted that the stopper closed the container very tightly. Explain.

asked Jul 8, 2021 in Biology Form 1

0 votes

1 answer

A layer of glycerine was applied on upper surface of a freshwater floating plant that had been kept in the dark for 24 hours. The plant was left undisturbed in bright light. After three hours test for starch carried out on the leaves produced a brown colour of iodine solution. Account for the observation.

asked Jul 8, 2021 in Biology Form 1

0 votes

1 answer

The diagram below shows a part of the ear responsible for posture.

asked Jul 8, 2021 in Biology Form 4

0 votes

1 answer

he diagram below shows a phenomenon which occurs during cell division.

asked Jul 8, 2021 in Biology Form 3

Page:

« prev
1
...
90
91
92
93
94
95
96
...
118
next »

...