1. Name the Granary of Northern India
Punjab
2. The subject which deals with the functioning of the economy as a whole is known as ____
macroeconomics
3. What is Micro Economics?
the part of economics concerned with single factors and the effects of individual decisions.
4. What is Macro Economics?
the branch of economics concerned with large-scale or general economic factors, such as interest rates and national productivity.
5. What is Capitalist economy?
an economic system where private individuals and businesses own and control the means of production and distribution of goods and services
6. What are the different names of Capitalist Economy?
free market economy, free enterprise economy, or market economy
7. Who said "Socialism refers to the government ownership of the means of production, planning by the government and income distribution"?
Samuelson
8. What is Socialist economy?
an economic system where the means of production, such as land, factories, and machinery, are owned and controlled by the state or the community as a whole, rather than by private individuals or corporations
9. Which type of economy is Indian economy?
mixed economy
10. Who said "Economics is what economists do"?
Jacob Viner
11. For each degree celsius rise in temperature, the velocity of sound increases by __
0.61 m/s
12. Two sources of sound are said to be in resonance, if they are in ___
same frequency
13. The velocity of sound is greatest in which material?
solids
14. When a ray of sound enters in water, it undergoes a change in ___
velocity and wavelength change, while its frequency remains constant
15. In Doppler's effect which quantity (physical) changes?
the observed frequency (or wavelength) of a wave changes
16. The unit of frequency in SI system is ___
hertz (Hz)
17. Who proposed Electromagnetic wave theory?
James Clerk Maxwell
18. If the fundamental frequency of sound source is 300 Hz, the frequency of second harmonic is ___
600 Hz
19. What is the velocity of sound in air at zero degree celsius?
331 meters per second
20. Light is an example of ___ wave
transverse
21. What is Reserpine used for?
to treat high blood pressure
22. The spice Clove is obtained from which part of the plant?
flower buds
23. Bee wax is secreted by the wax gland of ___
worker bees' abdomens
24. Edible part of Apple is ___
the Thalamus
25. Who is the father of computer?
Charles Babbage
26. Who is called the mother of computer?
Ada Lovelace
27. What is the normal body temperature of humans?
98.6°F (37°C)
28. What is gestation period?
the time between conception and birth during which a developing embryo or fetus grows inside the mother's womb
29. Velocity of sound is maximum in which medium?
solids
30. What is absolute zero?
the theoretical lowest possible temperature at which all molecular motion stops