CBSE Class 6 - Science Quiz (2016)

Science PSA Quiz

MCQs

Q1: Which of the following gets attracted to a magnet?

(a) Copy book
(b) Silver spoon
(c) Comb
(d) Common pins



Q2: When a magnet is placed on a plastic plate with common pins spread on it, then ___________

(a) Pins stick all around the magnet
(b) Pins stick at the middle of the magnet
(c) Pins stick at ends of the magnet
(d) None of these



Q3: Which of the following animal has its body covered by a hard shell?

(a) Snake
(b) Earthworm
(c) Fish
(d) Snail



Q4: A material which allows electricity to pass through it is called _____________.

(a) conductor
(b) insulator
(c) transistor
(d) none of these



Q5: The size of a shadow of an opaque object close to the screen and moves away from the source of light ___________

(a) Increases
(b) Decreases
(c) Remains the same
(d) First decreases then increases





Q6: We should breathe through the nose and not by the mouth, because ______________________

(a) it is a bad habit
(b) air gets moisturized when we breathe through mouth
(c) nostril hair and mucus trap dust particles present in air
(d) it is natural process



Q7: Mountaineers carry oxygen cylinder with them because

(a) Air is very cold in mountains
(b) There is less air on the top of mountains
(c) They feel happy carrying oxygen cylinders
(d) Oxygen is required for burning and cooking




Q8: The process of release of excess of water in the air as water vapours through plant leaves is called _______

(a) transpiration
(b) precipitation
(c) condensation
(d) none of these




Q9: Which of the following is/are examples of periodic motion?

(a) Motion of the earth around the sun
(b) Motion of the moon around the earth
(c) Movement of hand of a clock
(d) All of these



Q10: Which organism is used for preparing vermi-compost?

(a) Mouse
(b) red worms
(c) ant
(d) centipede



Q11: Condensation point of water is

(a) 0°C
(b) 4°C
(c) 37°C
(d) 100°C



Q12: Thunder and lightning occur due to heavy flow of electric charges between

(a) two clouds
(b) a cloud and a tall tree
(c) a cloud and a building
(d) All of these



Q13: Which of the following organism is found in soil?

(a) hydrilla
(b) termites
(c) cockroach
(d) lotus



Q14: Sunil was travelling from Delhi to Dehradun by a train. Which type of motion is shown by the train?

(a) linear
(b) curvilinear
(c) circular
(d) oscillating



Q15: Yuvraj found a living thing with feathers, having streamlines body, hollow and light bones and strong breast muscles. To which group does the living thing belong to?

(a) fish
(b) insects
(c) aves
(d) reptiles



Q16: Various wastes produced due to human activities create environmental pollution. Which of the following three R's should be practiced to avoid or minimize generation of wastes?

(a) repair, reuse, reduce
(b) revise, reuse, recharge
(c) reduce, reuse, recycle
(d) recharge, repair, reuse



Q17: Piyush observed that he can rotate his head upto 180°. Which of the following joints between the neck and head allow this rotation?

(a) ball and socket
(b) pivot
(c) hinge
(d) gliding



Answers
1: (d) Common pins
2: (c) Pins stick at ends of the magnet
3: (d) Snail
4: (a) conductor
5: (b) Decreases
6: (c) nostril hair and mucus trap dust particles present in air
7: (b) There is less air on the top of mountains
8: (a) transpiration
9: (d) All of these
10: (b) red worms
11: (d) 100°C
12: (d) All of these
13: (b) termites
14: (b) curvilinear
15: (c) aves (birds)
16: (c) reduce, reuse, recycle
17: (b) pivot