GK: Which animal in the world can smell its prey from a mile away? Click here to know the answer

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Question 1: Which animal in the world can recognize the smell of its prey from a mile away?

Answer: polar bear 

Question 2: How can the sex of the fetus be checked? 

Answer: Amniocentesis 

Question 3: What is female sterilization called?

Answer: Tubectomy 

Question 4: Which enzyme is found in saliva? 

Answer: Tylin

Question 5: What changes happen in the human body at high altitudes?

Answer: RBC count increases