Periodic Assessment-II
Class: 7th Subject:Science
General Instructions:
● The question paper has
10 questions in all. All questions are compulsory.
● Section ‘A’ carries 10
marks.
● Section ‘B’ carries 8
marks.
● Section ‘C’ carries 12
marks.
● Draw clean diagram
where necessary.
Section-A
Q.1 Fill in the blanks. 1×5=5
a)
During photosynthesis solar
energy is captured by the pigment called ________.
b)
The largest gland in human
body is ___________.
c)
_____________ indicator is
reddish-brown in basic medium.
d)
The hotness of an object is
determined by its ____________.
e)
Inferior quality of silk is
also called ____________.
Q.2 Give answers of very short answer type questions. 1×5=5
a)
Convert 40°C into °F.
b)
What is rusting of an iron?
c)
Name the elements that
determine the weather of a place.
d)
Define soil erosion.
e)
What does an anemometer
measure?
Section-B 2×4=8
Give answers of short answer type questions:
Q.3 Draw a neat labeled diagram of human excretory system.
OR
Write a note on transpiration.
Q.4 Name the organs of breathing in the following animals:
a)
fish
b)
cockroach
Q.5 Explain the differences between
self-pollination and cross-pollination.
Q.6 Write two limitations of sundial.
Section-C 3×4=12
Give the answers of Long answer type questions:
Q.7 a car moves with a speed of 40km/h for 15 minutes and then with
a speed of 60km/h for next 15 minutes .Find the total distance covered by car.
OR
Show the shape of distance-time graph
for the motion in the following cases:
a)
a car moving with a constant
speed.
b)
a car parked on the side
road.
Q.8 Describe the functions of the following:
a)
stamens
b)
ovary
c)
pollen tube
Q.9 What planning is required in advance to deal with the situation
created by a cyclone?
Q.10 The tropical rainforest has a
large population of animals .Explain why it is so.
_____________________end of the
paper_____________________
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