Question

A. Multiple choice questions.
1. A dry cell produces electric current by converting its
a. Chemical energy.
b. Heat energy.
c. Sound energy.
d. Light energy.
2. Which of the following is not a conductor of electricity
a. Copper.
b. Sea-water.
c. Air.
d. Human body.
3. All liquids are.
non-conductors of electricity except
a. Mercury.
b. Pure water.
c. Mobil-oild.
d.Vegetable oil.
4. Pure water becomes a conductor of electricity when added with
a. Drops of oil.
b. Saw dust.
c. Salt.
d. Plastic granules.
5. Which of these is a conductor of electricity?
a. Dry wood.
b. Graphite.
c. Diamond.
d. Cotton thread.
6. Electricity helps us with its:
a. Heat effect.
b. light effect .
c. Magnetic effect .
d. All the three .
7. A rod placed at the centre of a dry cell is made of
a. Zinc.
b. Wood.
C. Carbon.
d. None of these.​

Answer 1

Answer:

vii) Creation of genus plants directly from pollen plants without meiosis

(a) Appaegami, (b) Appaemia, (c) Parthenacapi, (d) Parthenagenesis.

Answer 2

Answer:

1. Chemical Energy
2. Air
3. Mercury
4. Salt
5. Graphite
6. All the three
7. Zinc

Explanation:

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