TALAEE AL EMAN INT'L INDIAN SCHOOL, MAKKAH (Science 8)
SCIENCE 8 FINAL TERM EXAMINATION SESSION: 2020 - 2021
Under Ministry of Education KSA
General Instructions:
Read the questions carefully.
Marks are indicated against each question.
Check your paper before you submit it.
A tadpole develops into an
adult frog by the process of
Fertilization
Metamorphosis.
Embedding.
Budding.
) The number of nuclei
present in a zygote is
One.
Two.
Four.
None.
Reproductive
age in women starts when their
menstruation starts.
breasts start developing.
body weight increases.
height increases
Which
of the following is NOT a planet of the sun?
Mercury
Saturn
Sirius
Earth
Which of the following is not a greenhouse gas?
Carbon dioxide
Sulphur dioxide
Methane
Nitrogen
Unicellular organisms have one-celled body.
true
false
Each sperm is a single cell.
true
false
A new human individual develops from a cell called
gamete.
true
false
An embryo is made up of a single cell.
true
false
Mercury
is the smallest planet of the solar system.
true
false
The size of the pupil becomes [ ................... ]when you see in dim light.
large
small
wide
Night birds have[ ................... ]cones than rods in their eyes.
equal
more
less
The planet which is farthest from the sun is[ ................... ].
Marse
Neptune
Jupiter
The planet which appears reddish in colour is[ ................... ].
Mars
Earth
Mercury
A group of stars that appear to form a pattern in the sky is known as a [ ................... ].
satellite
steroid
constellation
Match the column.
Saturn
Great Bear
Moon
Mars
Inner planets
Outer planet
Constellation
Satellite of the earth
Where
are chromosomes found in a cell? State their function.
Explain
the importance of reproduction in organisms.
How
many images of a candle will be formed if it is placed between two parallel
plane mirrors separated by 40 cm?
What
is the term used for secretions of endocrine glands responsible for changes taking place in the body?
In
which female reproductive organ does the embryo get embedded?
‘Cells
are the basic structural units of living organisms’. Explain.
State
the laws of reflection.
Explain the differences between pure air and polluted
air.
Clear, transparent water is always fit for drinking.
Comment.
Why does the increased level of nutrients in the water
affect the survival of aquatic organisms?
Explain the differences between pure air and polluted
air.
You are a member of the municipal body of your town.
Make a list of measures that would help your town to ensure the supply of clean
water to all its residents.
What are the different ways in which water gets
contaminated?
List
changes in the body that take place at puberty.
Differentiate
between regular and diffused reflection. Does diffused reflection mean the
failure of the laws of reflection?
Describe the ‘Greenhouse Effect’ in your own words.
What
are sex hormones? Why are they named so? State their function.
Experiment 1. (Student will mention whether he has sent it or not)
Experiment 2. (Student will mention whether he has sent it or not)
Attendance. (Student will write nothing)
Daily and holidays home work. (Student will write nothing)
Behaviour. (Student will write nothing)
