The equation below shows how green plants make their own food.

Carbon dioxide + Water $\underset{Chlorophyll}{\overset{Sunlight}{\to }}$ Carbohydrate + oxygen

What does X, Y and Z stand for in the picture above?

X	Y	Z
A.        Carbon dioxide	Water	Oxygen
B.             Water	Oxygen	Carbon dioxide
C.           Oxygen	Water	Carbon dioxide
D.      Carbon dioxide	Oxygen	Water

 

Radhika wants to find out whether a purple plant can make its own food. She keeps a purple plant in sunlight for four days.

Which other type of coloured plant should Radhika keep as part of her study to compare with the purple plant?

Jessy wanted to find out the conditions that best support the rotting of bread. The growth of coloured fluffy patches on the surface of bread confirms rotting. She kept four bread slices in different conditions for five days. The table below shows Jessy’s findings after five days.

Which microorganism forms the coloured fluffy patches on the bread?

(Select the correct answer from the following options: Algae/Fungi/Virus)

Jessy wanted to find out the conditions that best support the rotting of bread. The growth of coloured fluffy patches on the surface of bread confirms rotting. She kept four bread slices in different conditions for five days. The table below shows Jessy’s findings after five days.

Which condition can best prevent rotting for a long time?

Australian Sundew is a part autotroph and part heterotroph.

Write two features of the plant that support this.

X and Y show the direction of flow of substances from one source to another.

Which substances move in X direction and which substances move in Y direction.

Parasite is an organism that lives in or on the body of another organism. It receives energy and nutrients from the host organism. Parasite does not give anything in return to its host. Is the group of fungi shown in the picture a type of parasite? Explain your answer.