Question

questions are compulsory
ed the questions carefully
ting should be neat and clean
Dw diagram where necessary.
MOS Choose the correct answer
10
3
Yeast is use the production of
a) Sugar
b) Alcohol
c) Hydrochloric Acid
d) Oxygen
The process of conversion of sugar into alcohol is called
a) Nitrogen fixation
b) Moulding
c) Fermentation d) Infection
Which of the following is a synthetic fibre?
a) Nylon
b) Acrylic
c) Rayon
d) All of these
Polycot is obtained by mixing
a) Nylon and Wool
b) Polyester and Wool
c) Nylon and Cotton
d) Polyester and Cotton
Which non-metal is a good conductor of electricity
Gold
b) Silver
c) Graphite
d) Bakelite
Cell was discovered by
a) Robert Brown b) Lecuwenhoek
c) Robert Hooke d) None of these
5.
6.
7.
The number of chromosomes are present in human cell
a) 22 pairs
b) 23 Pairs
c) 24 Pairs
d) 26 Pairs
8.
Sound is kind of
a) Work
b) Energy
c) Force
d) None​

Answer 1

Answer

1. Alcohol

2. Ethanol Fermentation

3. Acrylic and Rayon

4. polyester and cotton

5. Graphite

6. Robert Hooke

7. 23 pairs

8. Energy