Choose the correct one

(a)

km > mm > cm > m

(b)

km > mm > m > cm

(c)

km > m > cm > mm

(d)

km > cm > m > mm

___________is used to measure the accurate time of the activity.

(a)

Clock

(b)

Watch

(c)

Stop clock

(d)

Measuring

The moon's gravitational pull is one_____________of the earth's pull.

(a)

seventh

(b)

sixth

(c)

Fifth

(d)

Fourth

Unit of speed is__________

(a)

m

(b)

s

(c)

kg

(d)

m/s

Usain Bolt crossed 100 metre in____________seconds and made a world record

(a)

9.58

(b)

9.83

(c)

9.85

(d)

9.38

_________________are robots scaled down to microscopic size in order to put them with very small spaces to perform a function

(a)

car robots

(b)

home robots

(c)

game robots

(d)

nanobots

A___________ is the fastest land animal

(a)

Horse

(b)

Lion

(c)

Cheetah

(d)

Tiger

Among the following_________is not a mixture.

(a)

Coffee with milk

(b)

lemon juice

(c)

water

(d)

ice cream embedded with nuts.

All the matter made of __________

(a)

Particles

(b)

Atoms

(c)

Elements

(d)

Mixture

____________has definite shape and volume.

(a)

Solid

(b)

Liquid

(c)

Gas

(d)

None

The important function of stomata is __________.

(a)

Conduction

(b)

Transpiration

(c)

Photosynthesis

(d)

Absorption

World habitat day is observed on first Monday of________.

(a)

October

(b)

November

(c)

September

(d)

December

Air spaces in stems and petioles of ___________ plant are useful for floating in water.

(a)

lotus

(b)

water lily

(c)

water hyacinth

(d)

Agare

The __________ forest in South America produces half of the world's oxygen supply.

(a)

Taiga

(b)

Congo rain

(c)

Amazon rain

(d)

Darin tree

Which animal has the special organs of breathing called gills?

(a)

Earthworm

(b)

Fox

(c)

Fish

(d)

frog

Lizards are walk with four legs and is known as

(a)

Bipedal

(b)

Tripedal

(c)

Monopedal

(d)

quadripedal

____________can live for many days without drinking water.

(a)

Dog

(b)

Elephant

(c)

Cow

(d)

Camel

Scurvy is caused due to the deficiency of______________.

(a)

Vitamin A

(b)

Vitamin B

(c)

Vitamin C

(d)

Vitamin D

_________are required for growth as well as for the regulation of normal body function.

(a)

Fat

(b)

Protein

(c)

Carbohydrate

(d)

Minerals

80% of the world production of Moringa leaves is___________

(a)

China

(b)

Germany

(c)

India

(d)

Canada

When was the first computer introduced?

(a)

1980

(b)

1947

(c)

1946

(d)

1985

Who is the computer’s first programmer?

(a)

Lady Wellington

(b)

Augusta ado Lovelace

(c)

Mary Curie

(d)

Mary Comb

The unit of heat is

(a)

newton

(b)

joule

(c)

volt

(d)

celsius

Electricity is produced in

(a)

transformer

(b)

power station

(c)

electric wire

(d)

television

__________ is a good conductor

(a)

silver

(b)

wood

(c)

rubber

(d)

plastic

When ice melts to form water, change occurs in its

(a)

position

(b)

colour

(c)

state

(d)

composition

Drying of wet clothes in air is an example of

(a)

Chemical change

(b)

Undesirable change

(c)

irreversible change

(d)

physical change

Air pollution leading to Acid rain is a

(a)

reversible change

(b)

fast change

(c)

natural change

(d)

human made change

____________ is the percentage of nitrogen in air.

(a)

78%

(b)

21%

(c)

0.03%

(d)

1%

The constituent of air that supports combustion is _________________

(a)

Nitrogen

(b)

carbon-di-oxide

(c)

Oxygen

(d)

water vapour

The ‘control centre’ of the eukaryotic cell is

(a)

Cell wall

(b)

Nucleus

(c)

Vacuoles

(d)

Chloroplast

Which one of the following is not an unicellular organism?

(a)

Yeast

(b)

Amoeba

(c)

Spirogyra

(d)

Bacteria

Most organelles in an eukaryotic cell is found in the

(a)

Cell wall

(b)

cytoplasm

(c)

nucleus

(d)

Vacuole

Main organ of respiration in human body is

(a)

Stomach

(b)

Spleen

(c)

Heart

(d)

Lungs

Which one of the following is an example for wireless connections

(a)

Wi-Fi

(b)

Electric wires

(c)

VGA

(d)

USB

Pen drive is ___________ device.

(a)

Output

(b)

Input

(c)

Storage

(d)

Connecting cable

1 Metre, 1 centimetre, 1 kilometre, and 1 millimetre.

How can husk or fine dust particles be separated from rice before cooking?

Give the main difference between a pure substance and an impure substance.

Mention few desert plants.

Define the term habitat.

Which structure helps the bird to change its direction while flying in air?

Differentiate between carbohydrate and protein.

What are the main features of a microorganism?

Write a short note on Data.

Differentiate hardware and software.

What is temperature?

Can you produce electricity from lemon?

Circle the odd one out. Give reason for your choice.
Switch, Bulb, Battery, Generator.

What kind of a change is associated with decaying of a plants?

Define a slow change.

What happens when cane sugar is strongly heated? Mention any two changes in it.

What will happen if we remove the fish from the aquarium and keep it (with green plants) in a dark place?

What will happen if you breathe through mouth?

Who discovered the cell in 1665?

What are the organelles found only in plant cell?

Give any three examples of eukaryotic cell?

What are the three types of blood vessels?

Write any two functions of digestive system.

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

A rubber ball changes its shape on pressing. Can it be called a solid?

List out the plants present in your school garden

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

Distinguish between heat and temperature.

Silver is a good conductor but it is not preferred for making electric wires. Why?

Can deforestation be considered a desirable change? Explain.

Why do traffic assistants wear a mask on duty?

Distinguish between prokaryotic and eukaryotic cells

Differentiate between the voluntary muscles and involuntary muscles.

Explain two methods that you can use to measure the length of a curved line.

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

Fill with examples:

Using suitable apparatus from your laboratory separate the mixture of chalk powder, mustard oil, water and coins. Draw a flow chart to show the separation process

Make a list of the functions of root and stem.

Tabulate the vitamins and their corresponding deficiency diseases.

Explain in detail above the applications of computer.

Suppose your normal body temperature were lower than what it is. How would the sensation of hot and cold change?

Write short notes on conductors and insulators.

Give one example for each case that happens around you.
a. Slow and fast change
b. Reversible and irreversible change
c. Physical and chemical change
d. Natural and man-made change
e. Desirable and undesirable change

Can you guess why fire extinguishers throw a stream of carbon-di-oxide while putting - off fire?

Draw a neat labelled diagram of a prokaryotic cell.

List out the functions of Endocrine system and Nervous system.