The height of a tree can be measured by

(a)

Metre scale

(b)

plastic ruler

(c)

Metre rod

(d)

measuring tape

Conversion of 7 m into cm gives_______

(a)

70 cm

(b)

700 cm

(c)

7 cm

(d)

7000 cm

Which among the following is an oscillatory motion?

(a)

Rotation of the earth about its axis

(b)

Revolution of the moon about the earth

(c)

To and fro movement of a vibrating string

(d)

All of these.

______ is not made of matter

(a)

gold ring

(b)

iron nail

(c)

light ray

(d)

oil drop

The important function of stomata is __________.

(a)

Conduction

(b)

Transpiration

(c)

Photosynthesis

(d)

Absorption

Lizards breathe through their

(a)

Skin

(b)

Gills

(c)

Lungs

(d)

Trachea

Kangaroo rat lives in

(a)

Aquatic habitat

(b)

Desert habitat

(c)

Grass land habitat

(d)

Mountain habitat

Our body needs _________ for muscle building.

(a)

carbohydrate

(b)

fat

(c)

Protein

(d)

Water

Bacteria are very small _________ microorganism.

(a)

Prokaryotic

(b)

Eukaryotic

(c)

Protozoa

(d)

Acellular

The distance between Delhi and Chennai can be measured in _______________.

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Kilometre

Motion of a potter’s wheel is an example for__________ motion.

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  Rotatory

Chillies are removed from ‘upma’ by ___________ method.

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  hand picking

Fixation and absorption are the main functions of _____________.

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  root

Tail of a bird acts as a rudder which helps to ____________.

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control the direction of the movements

Mountain

(1)

Himalayas

Desert

(2)

Leaves

Stem

(3)

Branches

Photosynthesis

(4)

Monocot

Fibrous Root

(5)

Dry place

A vehicle covers a distance of 400km in 5 hour. Calculate its speed.

Why do gases not have fixed shape?

Mr. Raghu returns home on a hot summer day and wants to have buttermilk. Mrs. Raghu has only curd. What can she do to get buttermilk? Explain

Compare the taproot and fibrous root systems.

Distinguish between terrestrial and aquatic habitats.

Write the adaptive features of Polar bear and Penguin.

Mention the features that help a bird to fly is the air?

Find the answer for the following questions within the grid.

1. 10^-3 is one_____
2. SI Unit of time is_____
3. Cross view of reading a measurement leads to______
4. ____is the one what a clock reads.
5. _____is the amount of substance present in an object.
6. ______can be taken to get the final reading of the recordings of different students for a single measurement.
7. ______is a fundamental quantity.
8. _____shows the distance covered by an automobile
9. A tailor uses to take______ measurements to stitch the cloth.
10. Liquids are measured with this physical quantity.

What is motion? Classify different types of motion with examples.

Distinguish the properties of solid, liquid and gas. Draw a suitable diagram.

Make a list of the functions of root and stem.