Salmon must do what when they migrate from freshwater to the ocean?

Explanation:

Q: How are heat changes in chemical reactions measured?
Ans: joules

Q: Which state government has launched the Bana Kaih scheme to support farmers and entrepreneurs?
Ans: Mizoram

Q: Instead of heat, organisms use what to speed up reactions?
Ans: catalysis

Q: What indicates a failing clutch plate?
Ans: Slipping gears

Q: Which IT developed the 'Patented Mechanical Knee Rehab System'?
Ans: IT Ropar

Q: Sponges are part of what phylum, which gets its name from the latin for "having pores"?
Ans: porifera

Q: During telophase , the chromosomes begin to uncoil and form what?
Ans: chromatin

Q: Who has launched the 'Climate Finance Action Fund'?
Ans: Azerbaijan

Q: 'Harpoon Missile' has been developed by which country?
Ans: USA

Q: Who has been selected as the ISSF Athlete of the Year on October 20, 2024?
Ans: Yang Jin and Yukun Liu

Q: What was the annual food price increase through March 2025?
Ans: 3.0%

Q: Who has become the first state to launch Water Resources Control Board?
Ans: Rajasthan

Q: What are the two terms that designate how well aqueous solutions conduct electricity?
Ans: polar and nonpolar

Q: Who has won the men's singles title in the Syed Modi International Badminton Tournament?
Ans: Lakshya Sen

Q: Which Indian river is known as the "Lifeline of Karnataka"?
Ans: Krishna