Question

1. Choose the correct answer

a) Which of the following is a metal used for electroplating

i)Zinc ii) Phosphorus iii) Sulphur iv) Oxygen

b) Which of the following cell organelle is referred to as ‘the power house of the cells’ ?

i) Lysosomes ii) Ribosomes iii) Chromosomes iv) Mitochondria

c) Which of the following is an example of contact force ?

i) Magnetic force ii) Electrostatic force iii) Gravitational force iv) Mechanical force

d) What is the SI unit of force ?

i) metre /second ii) Newton iii) metre/hour iv) Pascal

e) Airplanes and rockets have ……………….. shape to reduce friction .

i) Circular ii) Triangular iii) Streamlined iv) None of the above​

Answer 1

Answer:

1) Zinc

2) Mitochondria

3) Gravitional force

4) newton

5) None of the above

Pls mark my answer as brainliest.