Question

BAL MANDIR MODEL S.S. SCHOOL, M.KILLIANWALI
TERM-I EXAMINATION, SEPTEMBER-2020
Class - VIII
Sub.. GENERAL SCIENCE
Time - 1.30 H
M.M.- 40
General Instructions :-
The handwriting should be neat and clean.
All questions are compulsory.
The question paper consists of two sections named as Section-A and Section-B
Section-A have Objective Type Questions and Section-B have Subjective Type Que
Section-A (Objective!
Choose the correct answer from the given options :
(1x4=4)
Which of these metal can displace the copper from its salt solution ?
a) Gold
b) Copper
c) Zinc
d) None of these
What is the different part of plant cell, which differentiate it from animal cell?
a) Cell Wall
b) Cell Membrane c) Nucleus
d) Mitochondria
Sperms collect and mature in the :
a) Epididymis b) Vas deferens c) Scrotal sac
d) Testes
The process of conversion of sugar into alcohol is -
a) Vaccination b) Pasteurization c) Fermentation d) None of these
Fill in the Blanks :
(1x3=3)
The process of formation of synthetic fibres from its monomer
Fussion of male and female gamete form
Blue green algae fix
directly from air to enhance fertility of soil.
Give one word answers of the following:
(1x3=3)
Carrier of malaria - causing protozoun is
The process of removal of weeds is called
Name the two elements which can be cut easily by knife.
Section-B (Subjective]
Answer the following questions in brief :
(2x6=12)
Cells are the basic, structural & functional unit of life. Explain.
What is the principle of fire extinguishing ?
Why is it necessary to dry grains before storing them?
What do you mean by food preservation ?
Explain metamorphosis.
Sodium is stored in kerosene. Why?
(3x6=18
Answer the following questions in detail : (Do any 6 questions)
What are viviparous and oviparous animals ? Give examples of each.
Differentiate between thermoplastics and thermosetting plastics.
Why is not advised to use water if an electrical equipment is on fire ?
What are antibiotics? Write any 2 precautions while taking antibiotics.
A greenish deposit is found on copper substance if it is exposed to moist air for a​

Answer 1

Answer:

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