Sets
General Science Set 40
30 questions 1. Mercury thermometers are being replaced by digital thermometers because mercury is:
2. Which of the following is NOT a microalga?
3. Consider the following statements:
(I) Addition of oxygen to a substance is oxidation.
(II) Removal of hydrogen from a substance is oxidation.
(III) Addition of hydrogen to a substance is oxidation.
Which of the above is/are correct?
4. The relation between frequency ν and time period T is:
5. The Mid Day Meal Programme, implemented in 2002, is now known as:
6. The projection of uniform circular motion on a diameter of the circle executes:
7. The initial breakdown of food into fine pieces by crushing and chewing is called:
8. The bond formed by sharing of electrons between atoms is called:
9. Which of the following is a contact force?
10. India's first test tube baby was born in the year:
11. 15 mL of a sodium hydroxide solution is completely neutralised by 12 mL of a hydrochloric acid solution. The volume of the same hydrochloric acid solution required to neutralise 25 mL of the same sodium hydroxide solution is:
12. The time period of a simple pendulum of length L at a place where the acceleration due to gravity is g is:
13. International Yoga Day is observed every year on:
14. Asima Chatterjee is renowned for her work in developing:
15. In a hydraulic lift with small piston area A₁ and large piston area A₂, the mechanical advantage is:
16. Smallpox was declared eradicated worldwide in the year:
17. In a cathode ray discharge tube, the rays travel:
18. Consider the following statements about ionic compounds:
(I) They are solids and somewhat hard.
(II) They have high melting and boiling points.
(III) They are generally soluble in kerosene and petrol.
Which of the above is/are correct?
19. When a plant receives sunlight from only one direction, its root:
20. Monitoring airspace by detecting the low frequency humming of drones and aircraft is called: