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

Choose the correct one

(a)

km > mm > cm > m

(b)

km > mm > m > cm

(c)

km > m > cm > mm

(d)

km > cm > m > mm

While measuring the length of an object using a ruler, the position of your eye should be

(a)

Left side of the point.

(b)

Vertically above the point where the measurement is to be taken.

(c)

Right side of the point

(d)

Any where according to one’s convenience.

Unit of speed is__________

(a)

m

(b)

s

(c)

kg

(d)

m/s

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.

The correct relation among the following is 

(a)

Speed = distance × time

(b)

Speed = distance / time

(c)

Speed = time / distance

(d)

Speed = 1 / (distance × time)

______ is not made of matter

(a)

gold ring

(b)

iron nail

(c)

light ray

(d)

oil drop

Lighter impurities like dust when mixed with rice or pulses can be removed by __________

(a)

filtration

(b)

sedimentation

(c)

decantation

(d)

winnowing

_________is essential to perform winnowing activity.

(a)

Rain

(b)

Soil

(c)

Water

(d)

Air

The important function of stomata is __________.

(a)

Conduction

(b)

Transpiration

(c)

Photosynthesis

(d)

Absorption

Organs of absorption is__________

(a)

Root

(b)

Stem

(c)

Leaf

(d)

Flower

Lizards breathe through their

(a)

Skin

(b)

Gills

(c)

Lungs

(d)

Trachea

All animals need

(a)

Food and water only

(b)

Water only

(c)

Air, food and water

(d)

Food only

Choose the set that represents only biotic components of a habitat.

(a)

Tiger, Deer, Grass, Soil

(b)

Rocks, Soil, Plants, Air

(c)

Sand, Turtle, Crab, Rocks

(d)

Aquatic plant, Fish, Frog, Insects

Birds fly in the air with the help of

(a)

heavy and strong Bones

(b)

Soft and thick Bones

(c)

Hollow and light Bones

(d)

Flat and thick Bones

Scurvy is caused due to the deficiency of______________.

(a)

Vitamin A

(b)

Vitamin B

(c)

Vitamin C

(d)

Vitamin D

Calcium is an example for

(a)

carbohydrate

(b)

fat

(c)

Protein

(d)

minerals

We should include fruits and vegetables in our diet, because _______.

(a)

They are the best source of Carbohydrates

(b)

They are the best source of Proteins

(c)

They are rich in minerals and Vitamins

(d)

They have high water content

Bacteria are very small _________ microorganism.

(a)

Prokaryotic

(b)

Eukaryotic

(c)

Protozoa

(d)

Acellular

Which of the following is another form of computer?

(a)

Blackboard

(b)

Mobile

(c)

Radio

(d)

Book

Who is the computer’s first programmer?

(a)

Lady Wellington

(b)

Augusta ado Lovelace

(c)

Mary Curie

(d)

Mary Comb

Pick out the odd one.
a. Calculator
b. Abacus
c. Flash card
d. Laptop

(a)

Calculator

(b)

Abacus

(c)

Flash card

(d)

Laptop

SI Unit of length is  _______

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m

5 km = __________m.

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5000

A bike moving on a straight road is an example for_________motion.

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  Linear

Gravitational force is a _________ force.

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  Non Contact

Matter is made up of _________

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  atoms

Grains can be separated from their stalks by ____________.

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Threshing

The method employed to separate clay particles from water is______

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fittratien

Which among the following_______will get attracted to by magnet? (safety pins, pencil and rubber band)

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 muddy

Earth's surface is covered by ___________% of water.

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  More than 70%

The driest places on earth are __________.

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  desert

Fixation and absorption are the main functions of _____________.

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  root

Primary organs of photosynthesis are _____________.

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  leaves

Taproot system is present in _________plants.

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 dicotyledonous

Water bodies, deserts, mountains are called ______.

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Ecosystems

Based on the number of cells present animals are classified into ___________ and ____________

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Unicellular Organisms, multicellular Organisms

The breathing organ of a fish is known as ______________.

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gills

Malnutrition leads to ___________

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deficiency disease

Iodine deficiency leads to __________ in adults.

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goitre

Vitamin D deficiency causes ___________.

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Rickets

Typhoid is transmitted due to contamination of __________ and water.

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food

Information is _________data.

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Processed

Fifth generation computer has ________ intelligence.

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artificial

______ is the device that uses Index number.

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Computer