What is the main source of energy for Earth’s ecosystems?

Explanation: The Sun provides energy for plants, which support all life in ecosystems.

Q: Some spindle microtubules attach to the kinetochores of chromosomes and move the chromosomes to what plate?
Ans: metaphase plate

Q: Where are liverworts most often found?
Ans: in deserts

Q: Which river originates in Nepal?
Ans: Gandak

Q: Who represented India in the UNFPA meeting?
Ans: Neeru Yadav

Q: What does a white circle with a red “U” indicate?
Ans: No U-turn

Q: Which World War II event involved the atomic bomb?
Ans: Hiroshima bombing

Q: The amniotic egg is a shared ancestral character for which clade?
Ans: avian

Q: What was a major driver of consumer confidence decline in February 2025?
Ans: Lower unemployment

Q: What is a symptom of a faulty spark plug?
Ans: Engine misfire

Q: How many more releases did Disney plan for Marvel in 2025 compared to 2024?
Ans: One more

Q: What is the term for the force that a magnet exerts on certain materials?
Ans: potential force

Q: Regular checkups with what type of specialist can detect skin cancers early?
Ans: dermatologist

Q: Which of these animals breathes through gills?
Ans: Fish

Q: Which country will supply the next generation nuclear fuel to India?
Ans: Russia

Q: Which Indian writer has been awarded the "Pfizer Prize 2024"?
Ans: Professor Projit Bihari Mukherjee