Which of these is a source of oxygen?
- Correct Answer: Plants
- Rocks
- Clouds
- Sand
Explanation: Plants release oxygen during photosynthesis.
More Random Questions
Q: Do most waves strike the shore head on or at an angle?
Ans: at an angle
Ans: at an angle
Q: South India's first tribal library 'Kanu' will open in which state?
Ans: Karnataka
Ans: Karnataka
Q: In Sushruta Samhita, which Shastra is used for Chedana (excision)?
Ans: Mandalagra
Ans: Mandalagra
Q: Without particles, water vapor could not do what?
Ans: condense
Ans: condense
Q: What is the primary function of the kidneys?
Ans: Filter blood
Ans: Filter blood
Q: On May 17, 2024, Mount Bu volcano erupted in which country?
Ans: Indonesia
Ans: Indonesia
Q: Who has won the AFC Under-23 Asian Cup for the second time on May 4, 2024?
Ans: Japan
Ans: Japan
Q: Claw hammers and pulleys are examples of simple machines that do what to the direction of force applied by the user?
Ans: reverse it
Ans: reverse it
Q: Where has the Hockey India League 2024-25 started?
Ans: Odisha
Ans: Odisha
Q: What are the hormones that cause a plant to grow?
Ans: pistills
Ans: pistills
Q: What was the net interest expense on the U.S. debt for March 2025?
Ans: $93 billion
Ans: $93 billion
Q: What do mammals have under the skin to help insulate the body?
Ans: a layer of fat
Ans: a layer of fat
Q: What is the transfer of thermal energy between objects that have different temperatures?
Ans: heat
Ans: heat
Q: An increase in the number of gas molecules in the same volume container causes what to increase?
Ans: power
Ans: power
Q: Which company’s stock fell nearly 6% on April 10, 2025?
Ans: Nvidia
Ans: Nvidia
