Volume of liquid is usually measured___________

(a)

litres

(b)

grams

(c)

nano

(d)

kilo

Filtration method is effective in separating ___________ mixture

(a)

solid-solid

(b)

solid-liquid

(c)

liquid-liquid

(d)

liquid-gas

The habitat of water hyacinth is

(a)

Aquatic

(b)

Terrestrial

(c)

Desert

(d)

Mountain

Among the following which one is Bird Sanctuary located in Tamilnadu___________.

(a)

Vayanad

(b)

Guindy Park

(c)

Vedanthangal

(d)

All

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

(a)

Calculator

(b)

Abacus

(c)

Flash card

(d)

Laptop

Formation of curd from milk is

(a)

a reversible change

(b)

a fast change

(c)

an irreversible change

(d)

an undesirable change

Nitrogen is used in the food packaging industry because it ________________

(a)

provides colour to the food

(b)

provides oxygen to the food

(c)

adds proteins and minerals to the food

(d)

keeps the food fresh

Breakdown of food into smaller molecules in our body is known as

(a)

Muscle contraction

(b)

Respiration

(c)

Digestion

(d)

Excretion

About 30% of the fresh water is found in?

(a)

glaciers

(b)

ground water

(c)

other sources of water

(d)

0.3%

_________is a Operating System.

(a)

Android

(b)

Chrome

(c)

Internet

(d)

Pendrive

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

Why do we separate mixtures?

Classify the plants on the basis of their habitat.

Name the locomotory organ of Amoeba.

Mention any two viral diseases.

Write a short note on Data.

Mention any two output devices

Make a list of electrical equipments at home which we get heat from.

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?

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

Give any three examples of eukaryotic cell?

Name the five important sense organs.

Bring out any two differences between input and output devices.

Write about like and unlike poles.

Write a note on water.

Why gypsum is used in cement production?

What are the two types of ecosystems?

What is meant by food web?

Name the jute growing places in India.

1. Complete the map by filling the blanks
   

2. Write short notes on – Timber yielding plants.

1. Why is atmosphere essential for life on earth?

2. What are the reasons for scarcity of water?

1. Fill with examples:
   

2. Differentiate organic and inorganic fertilizers.

1. Explain in detail above the applications of computer.

2. Tabulate any five cell organelles and their function.