GK: What is the only volcanic rock that can float in water? Click here to know the answer

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Question 1: The color of the leaves of which plant changes according to the time of day?

Answer: Giant Lily Plant 

Question 2: Where does the digestion process start in the body? 

Answer: By mouth

Question 3: Which is the only volcanic rock that can float in water? 

Answer: Volcanic rock known as pumice 

Question 4: On the banks of which river is Paris situated?

Answer: Seine river

Question 5: In which year was SAARC established?

Answer: In the year 1985