Q.1

Manav tried to look at a toy bike with red light through an object but he could only see a faint red light, not the toy bike.
Thus, we can conclude by saying that the object is a ________________.

Q.2

Which of the following statement is INCORRECT related to nutrients present in food?

a. There is no loss in vitamins if fruits and vegetables are washed after peeling or cutting them.
b. The skins of many fruits are rich in many nutrients.
c. Cooking kills most of the nutrients present in foods.
d. Rice and pulses will lose their vitamins and minerals if they are repeatedly washed.

Q.3

Spot the principle on which the distillation method works for separating alcohol and water mixture?

Q.4

Given below are a set of phenomena:

1. Folding the paper into an aeroplane.
2. Melting of ice candy.
3. Wet clothes to dry clothes
4. Dissolving sugar in water

What is the basis of the given grouping?

Q.5

Two students were discussing the motion and this is what they said:

Ashok: The needle of a sewing machine undergoes circular motion.
Ajit: Motion of a body thrown upward at an angle is rectilinear.

Choose the correct option regarding the above two statements:

Q.6

While measuring the length of a pencil, the reading of the scale at one end was 4.2 cm and at the other end was 16.5 cm.
What is the length of the pencil?

Q.7

Look at the picture shown below carefully. Identify this step that plays a crucial part in the the processing of cotton:

Q.8

Given below are two groups of substances:

Group 1: Hay, Cow dung, Fruit peel, Twigs
Group 2: Glass, Batteries, Plastic box, Electronic waste

On what basis has these two grouping been done?

Q.9

State the reason why glass windows appear hazy if not wiped off properly:

Q.10

Which of the following statements is INCORRECT?

1. By eating only vitamins, we cannot remain healthy.
2. By eating proper roughage, we can prevent anaemia.
3. Milk is regarded as a complete food.
4. Fat is not at all necessary for good health. It causes obesity only.