SCERT D. El. Ed 2026 - Environmental Science (EVS)

SCERT D. El. Ed 2026 – Environmental Science

SCERT D. El. Ed 2026 – Environmental Science

Science & EVS – Part 8

Q1. Weather refers to atmospheric conditions over:
  • A. Years and decades
  • B. A short period (hours to days)
  • C. Centuries
  • D. Geological eras
Correct Answer: B. A short period (hours to days)
Q2. Climate is the average atmospheric condition over how many years (minimum)?
  • A. 5 years
  • B. 10 years
  • C. 30 years
  • D. 100 years
Correct Answer: C. 30 years
Q3. The instrument used to measure atmospheric pressure is the:
  • A. Thermometer
  • B. Barometer
  • C. Hygrometer
  • D. Anemometer
Correct Answer: B. Barometer
Q4. Wind speed is measured by an:
  • A. Anemometer
  • B. Hygrometer
  • C. Barometer
  • D. Rain gauge
Correct Answer: A. Anemometer
Q5. Humidity is measured using a:
  • A. Hygrometer
  • B. Anemometer
  • C. Barometer
  • D. Thermometer
Correct Answer: A. Hygrometer
Q6. Rainfall is measured using a:
  • A. Hygrometer
  • B. Rain gauge
  • C. Barometer
  • D. Anemometer
Correct Answer: B. Rain gauge
Q7. The Indian South-West monsoon is mainly caused by:
  • A. Earth’s rotation
  • B. Differential heating of land and sea
  • C. Tides
  • D. Volcanic activity
Correct Answer: B. Differential heating of land and sea
Q8. Assam’s climate is best described as:
  • A. Hot desert
  • B. Humid sub-tropical
  • C. Polar
  • D. Mediterranean
Correct Answer: B. Humid sub-tropical
Q9. Respiration in living cells releases energy mainly in the form of:
  • A. ATP
  • B. DNA
  • C. RNA
  • D. Glucose
Correct Answer: A. ATP
Q10. Aerobic respiration takes place in the presence of:
  • A. Carbon dioxide
  • B. Oxygen
  • C. Nitrogen
  • D. Hydrogen
Correct Answer: B. Oxygen
Q11. In the human muscle cells during intense exercise, anaerobic respiration produces:
  • A. Ethanol
  • B. Lactic acid
  • C. Methane
  • D. Ammonia
Correct Answer: B. Lactic acid
Q12. In yeast, anaerobic respiration produces ethanol and:
  • A. Lactic acid
  • B. Carbon dioxide
  • C. Methane
  • D. Hydrogen
Correct Answer: B. Carbon dioxide
Q13. The site of gas exchange in the human lungs is the:
  • A. Trachea
  • B. Bronchi
  • C. Alveoli
  • D. Diaphragm
Correct Answer: C. Alveoli
Q14. In plants, gas exchange in leaves takes place mainly through:
  • A. Roots
  • B. Stomata
  • C. Bark
  • D. Phloem
Correct Answer: B. Stomata
Q15. Lenticels are gas exchange structures found in:
  • A. Leaves
  • B. Bark of woody stems
  • C. Roots
  • D. Flowers
Correct Answer: B. Bark of woody stems
Q16. The balanced equation for aerobic respiration is glucose + oxygen →:
  • A. CO2 + H2O + Energy
  • B. Lactic acid + Energy
  • C. Ethanol + CO2 + Energy
  • D. Methane + Water
Correct Answer: A. CO2 + H2O + Energy
Q17. During inhalation, the diaphragm:
  • A. Relaxes and rises
  • B. Contracts and flattens
  • C. Stays still
  • D. Disappears
Correct Answer: B. Contracts and flattens
Q18. In plants, photosynthesis releases which gas?
  • A. Carbon dioxide
  • B. Oxygen
  • C. Nitrogen
  • D. Methane
Correct Answer: B. Oxygen
Q19. Aerobic respiration of one glucose molecule yields approximately how many ATP?
  • A. 2
  • B. 12
  • C. 38
  • D. 100
Correct Answer: C. 38
Q20. The trachea (windpipe) is supported by:
  • A. Bone rings
  • B. C-shaped cartilage rings
  • C. Rubber bands
  • D. Mucus only
Correct Answer: B. C-shaped cartilage rings
Q21. Photosynthesis differs from respiration in that photosynthesis:
  • A. Releases energy
  • B. Stores energy in sugars
  • C. Occurs all the time
  • D. Uses oxygen
Correct Answer: B. Stores energy in sugars

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