Secondary School (English Medium) (5 to 8) इयत्ता ६ - CBSE Question Bank Solutions for Science

Long Answer Type Question:
Explain an activity to test the presence of starch in a leaf.

Long Answer Type Question:
Explain that sunlight is essential for photosynthesis.

Which of the following organisms does not have both muscles and skeleton for movement?

Draw a leaf.

Which of the following leaves have reticulate venation?

Wheat, tulsi, maize, grass, coriander (dhania), China rose

Rearrange the boxes given below to make a sentence that helps us understand opaque objects.

A device that is used to break an electric circuit is called ______.

Instead of metal wires, a jute string can be used to make a circuit.

What is the composition of air?

Which gas in the atmosphere is essential for respiration?

How will you prove that air supports burning?

How will you show that air is dissolved in water?

Why does a lump of cotton wool shrink in water?

The component of air used by green plants to make their food, is ______.

Have you seen any other organism besides redworms, in your pit? If yes, try to find out their names. Draw pictures of these.

Which of the following can never form a circular shadow?

Three torches A, B and C shown in the following figure are switched on one by one. The light from which of the torches will not form a shadow of the ball on the screen.

Correct the following statements.

1. The colour of the shadow of an object depends on its colour of the object.
2. Transparent objects allow light to pass through them partially.

On a sunny day, does a bird or an aeroplane flying high in the sky cast its shadow on the ground? Under what circumstances can we see their shadow on the ground?

A torch is placed at two different positions A and B, one by one, as shown in the following figure.

The shape of the shadow obtained in two positions is shown in the following figure.

Match the position of the torch and shape of the shadow of the ball.