MPTET Biology Exam -18-3-2025
1. Which gases are mainly found in synthesis gas?
- A. Methane and Nitrogen
- B. Carbon dioxide and Nitrogen
- C. Nitrogen and Hydrogen
- D. Hydrogen and Carbon monoxide
Correct Answer: D. Hydrogen and Carbon monoxide
2. True neutrality is:
- A. Extremely impossible
- B. Highly possible
- C. Abundant in nature
- D. Easily detected in wildlife
Correct Answer: A. Extremely impossible
3. Which of the following contains decayed pieces of organisms in the soil?
- A. Humus
- B. Abrasion
- C. Upper soil
- D. Fungus
Correct Answer: A. Humus
4. What is deposited on iron in the process of galvanization?
- A. Copper
- B. Zinc
- C. Tin
- D. Aluminium
Correct Answer: B. Zinc
5. Which of the following is the purest form of carbon?
- A. Anthracite
- B. Wood charcoal
- C. Graphite
- D. None of the above
Correct Answer: A. Anthracite