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WorksheetsCL 4 SCIENCE UT II REVISION
Total questions: 17
Worksheet time: 21mins
Which of the following is an egg laying mammal?
Frog
Butterfly
Duck-billed Platypus
Tiger
Which of the following does not lay egg?
Bat
snake
ostrich
sparrow
Match the following:
i) canines a) cut and bite the food
ii) incisors b) grind the food
iii) molars c) tear the food
i - b, ii- c, iii- a
i - c, ii - b, iii- a
i - a, ii- c, iii- b
i - c, ii- a, iii- b
How many stages do cockroaches have in their lifecycle ?
What is moulting ?
In which stage in the life cycle of butterfly moulting occurs?
Why do birds sit on the eggs?
Permanent set of teeth contains __________ teeth
26
32
30
36
Birds have boat shaped or streamlined body. Give reason
Camels have long eyelashes -
to prevent sand dirt from entering their eyes
to bear the heat
to see long distances
all of these
Newt is an/a
aerial animal
aquatic animal
amphibian
terrestrial animal
Mass movement of animals from one place to another is called (a)
Hibernation is
long winter sleep by some animals
long summer sleep by some animals
Name the three layers of a tooth
Plaque is the yellow sticky layer formed on the teeth .
true
false
Typhoid is caused by
virus
protozoa
fungi
bacteria
Hardest part of the tooth
dentine
enamel
pulp
