Daily Current Affairs 4 September 2023, Important Question
1. What is the chemical symbol for gold?
a) Go
b) Ag
c) Au
d) Ge
2. Which planet is known as the "Red Planet"?
a) Venus
b) Mars
c) Jupiter
d) Saturn
3. What gas do plants absorb from the atmosphere during photosynthesis?
a) Oxygen
b) Carbon dioxide
c) Nitrogen
d) Hydrogen
4. What is the chemical formula for water?
a) CO2
b) H2O
c) O2
d) CH4
5. Who is known as the father of modern physics?
a) Albert Einstein
b) Isaac Newton
c) Galileo Galilei
d) Charles Darwin
6. Which gas do humans breathe out after inhaling oxygen?
a) Carbon dioxide
b) Nitrogen
c) Oxygen
d) Hydrogen
7. What is the smallest planet in our solar system?
a) Earth
b) Venus
c) Mercury
d) Mars
8. Which force pulls objects towards the center of the Earth?
a) Magnetism
b) Gravity
c) Friction
d) Tension
9. What is the chemical symbol for hydrogen?
a) Hg
b) H
c) He
d) Ho
10. What is the process by which plants make their food using sunlight?
a) Respiration
b) Fermentation
c) Photosynthesis
d) Digestion
11. Which gas makes up the majority of Earth's atmosphere?
a) Oxygen
b) Carbon dioxide
c) Nitrogen
d) Hydrogen
12. What is the study of fossils called?
a) Geology
b) Paleontology
c) Anthropology
d) Archaeology
13. What is the chemical symbol for iron?
a) Ir
b) Fe
c) In
d) I
14. Which element is essential for the formation of bones and teeth?
a) Calcium
b) Iron
c) Sodium
d) Potassium
15. What is the process by which plants lose water vapor through their leaves?
a) Respiration
b) Transpiration
c) Evaporation
d) Condensation
16. What is the study of the Earth's atmosphere and weather called?
a) Geology
b) Astronomy
c) Meteorology
d) Oceanography
17. Which gas is responsible for the green color of plants?
a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Chlorophyll
18. What is the chemical symbol for sodium?
a) Sa
b) So
c) Na
d) Ne
19. Which gas do humans need to breathe to survive?
a) Carbon dioxide
b) Oxygen
c) Nitrogen
d) Hydrogen
20. What is the unit of measurement for electric current?
a) Watts
b) Volts
c) Ampere
d) Ohm
21. What is the process of a liquid turning into a gas at the surface called?
a) Melting
b) Sublimation
c) Evaporation
d) Condensation
22. Which planet is known for its beautiful ring system?
a) Venus
b) Earth
c) Saturn
d) Neptune
23. What is the chemical symbol for carbon?
a) Ca
b) Co
c) Cr
d) C
24. Which gas is responsible for the ozone layer in Earth's atmosphere?
a) Oxygen
b) Carbon dioxide
c) Nitrogen
d) Ozone
25. What is the study of heredity and genetic variation called?
a) Ecology
b) Botany
c) Genetics
d) Zoology
26. What is the process by which plants and animals adapt to their environment over time?
a) Evolution
b) Extinction
c) Fossilization
d) Migration
27. Which gas do plants release as a byproduct of photosynthesis?
a) Oxygen
b) Carbon dioxide
c) Nitrogen
d) Methane
28. What is the chemical symbol for silver?
a) Ag
b) Si
c) Sr
d) Sn
29. What is the study of the Earth's physical structure and composition called?
a) Geology
b) Ecology
c) Meteorology
d) Astronomy
30. Which force is responsible for keeping planets in orbit around the Sun?
a) Magnetism
b) Gravity
c) Friction
d) Tension
Answers:
1. c) Au
2. b) Mars
3. b) Carbon dioxide
4. b) H2O
5. a) Albert Einstein
6. a) Carbon dioxide
7. c) Mercury
8. b) Gravity
9. b) H
10. c) Photosynthesis
11. c) Nitrogen
12. b) Paleontology
13. b) Fe
14. a) Calcium
15. b) Transpiration
16. c) Meteorology
17. d) Chlorophyll
18. c) Na
19. b) Oxygen
20. c) Ampere
21. c) Evaporation
22. c) Saturn
23. d) C
24. d) Ozone
25. c) Genetics
26. a) Evolution
27. a) Oxygen
28. a) Ag
29. a) Geology
30. b) Gravity
