CBSE Class 6 Science Sample Paper Set S

Q.1 Fill in the blanks. (1×6=6)

a) Tigers are the _____________ consumers.

b) Mist is a _____________ mixture.

c) Plants of Gourd family climbs with the help of _____________ tendrils.

d) The lack of iodine in the diet causes _____________ .

e) Kerosene is _____________ with water.

d) The motion of the moon around the Earth is a _____________ motion.

Q.2 Choose the correct option. (1×6=6)

i) Which of these are submerged plants?

a) Cactus b) Hydrilla

c) Lotus d) Lily

ii) Identify the malleable substance among the following.

a) Wood b) Stone

c) Glass d) Aluminium

iii) Plants take in and give out gases through

a) Their roots b) Their stem

c) Microscopic pores on their leaves

d) None of these

iv) Which of the following method can be used to separate mustard oil and water from the mixture of two?

a) Magnetic separation b) Decantation

c) Filtration d) Crystallization

v) Which of the following is a compound?

a) CO₂ b) Hydrogen

c) Nitrogen d) Sulphur

vi) The motion of a stone dropped from roof is -

a) Rectilinear b) Curvilinear

c) Oscillatory d) Circular

Q.3 Match the columns. (1×6=6)

a) Mixture                             i) Periodic

b) Deficiency of vitamin B      ii) Smoke

c) Common salt                    iii) Autotrophs

d) Green plants                    iv) Soluble in water

e) Solid-gas                         v) Beriberi

f) Fixed interval                   vi) Air

Q.4 Draw the labelled diagram of the following. (any two) (3×2=6)

a) The shoot of a plant

b) Any stem that stores food

c) Distillation

Q.5 Name the following. (1×6=6)

a) Name one opaque material.

b) Name the negatively charged particle in an atom.

c) Name the process where lighter solids are separated from heavier ones.

d) Name one scavenger.

e) Name one single celled organism.

f) Name the motion of the body when it moves in a straight line.

Q.6 Define the following (any five) (2×5=10)

a) Freezing b) Apiculture c) Food chain

d) Nodes e) Balanced diet f) Oscillatory motion

Q.7 Answer the following in not more than 20 words. (any six) (2×6=12)

a) Why do plants submerged in water have long, thin leaves?

b) What do you understand by the term tissue?

c) Why do we cook food?

d) Name two hard and two soft solids.

e) How do fish respire?

f) Why are the leaves of cacti modified into spines?

g) When is body said to be in motion in relation to an observer.

Q.8 Answer the following in not more than 40 words. (any six) (3×6=18)

a) Mention some adaptations that help carnivores get their food.

b) What is respiration?

c) What are the benefits of classification?

d) What is the difference between vapours and the gases?

e) What is camouflage? Give one example.

f) How is common salt obtained from sea water?

g) What is the difference between rotational motion and circular motion? Explain with examples.

h) What do you mean by classification? Give example.

Q.9 Answer the following in not more than 100 words. (any five) (5×5=25)

a) Describe how you would find out whether protein is present in a particular food.

b) You are given a mixture of salt and sand. How would you separate them?

c) How are conifers adapted to live in their habitat?

d) Explain the structure of a flower.

e) Distinguish between adaptation and response by giving suitable examples.

f) Draw a labelled diagram of leaf. What functions do vein serve? Name the two types of venation seen in leaf.

Answer the following questions based on the above diagram.

a) What is the process shown above?

b) What is the clear liquid obtained after the process called?

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