GK: For what reason is it advisable to remove pen ink before boarding a plane? Click here to know
Question 1: For what reason is it advisable to remove pen ink before boarding a plane?
Answer: Due to low air pressure at altitude
Question 2: Where is the National Milk Research Station located?
Answer: Karnal (Haryana)
Question 3: What causes blood to be red?
Answer: Because of hemoglobin
Question 4: How big is the size of the Sun than the Earth?
Answer: 109 times bigger
Question 5: What is used to measure height?