1. Which coloured light is most useful for plants? Both blue and red Blue Green Red

2. Which of the following units for measuring temperature is NOT named after a scientist? Fahrenheit Centigrade Kelvin Celsius

3. Why is it so that generally males get bald by the time they get old but not females? Gents have short hair which is more prone to fall off. It's just a coincidence. It is because of the different hormones present in males and females. Men are careless with their hair.

4. Tick the correct statement. Steel is more elastic than rubber because for the same force, deformation is more for steel as compared to rubber. Rubber is more elastic than steel because the Young's modulus of elasticity of rubber is greater than that of steel. Rubber is more elastic than steel because for the same force, deformation is more for rubber as compared to steel. Steel is more elastic than rubber because the Young's modulus of elasticity of steel is greater than that of rubber.

5. Which of the following is a chalcogen (meaning 'ore-former')? Fluorine (F) Scandium (Sc) Oxygen (O) Magnesium (Mg)

6. When I was two years old, my height was 3 feet. About how tall am I now that I have grown up into an adult? can't say 5 feet 2 inches 6 feet 5 feet 6 inches

7. A machine can be defined as something that reduces human effort. So, every human creation, from something as basic as a spoon to as complex as a car, is a machine. Yes No

8. If you won 1 mole of dollars in a lottery the day you were born and spent a billion dollars every second, what percentage of the prize money will you still have by the time you reach the age of ninety years? 99.999 33 0.001 67

9. Which of the following optical illusions is NOT of the same type as the other three visual illusions? Dragon illusion Checker Shadow illusion Hollow Face illusion Einstein Mask illusion

10. If a man is kept in a room filled with liquid oxygen he will continue breathing normally. he'll get transformed into a fish. he will become unconscious but continue living. he will die of suffocation.