MCQs on National & International
1. Consider the following statements regarding Rakhigarhi:
- It is situated in Haryana in the Ghaggar-Hakra river plain.
- It is presently regarded as the largest Harappan site in the Indian subcontinent.
- The site was first excavated by Amarendra Nath of the Archaeological Survey of India.
Which of the statements given above are correct?
- A) 1 and 2 only
B) 2 and 3 only
C) 1 and 3 only
D) 1, 2 and 3
Answer: D
2. Which one of the following schedule was created through the First Constitutional Amendment Act, 1951?
A) Tenth Schedule
B) Seventh Schedule
C) Ninth Schedule
D) Eleventh Schedule
Answer: C
3. Which one of the following best describes ammonia (NH₃)?
A) A naturally occurring noble gas used mainly in lighting systems
B) A simple inorganic compound composed of nitrogen and hydrogen
C) A hydrocarbon obtained exclusively from petroleum refining
D) A greenhouse gas formed only through industrial activities
Answer: B
4. Biochar is primarily produced from:
A) Petroleum residues
B) Agricultural and forestry wastes
C) Municipal sewage only
D) Limestone deposits
Answer: B














