Practice MCQ Questions and answers on Biology-GK

Answer: Option B

An instar is a developmental stage of arthropods, such as insects, between each moult (ecdysis), until sexual maturity is reached.

Answer: Option B

Silkworms feed on fresh mulberry leaves the silkworm grows in size and then becomes a pupa. In the pupa stage, it weaves a net to hold itself. It then swings its head from side to side, secreting a fibre that hardens on contact with air. In pupa stage silk is obtained.

Answer: Option D

The femur is one of the most researched bones in the human anatomy and forensic medicine. As the longest bone in the human body, it is well preserved in skeletal remains.

Answer: Option B

The bone of thigh called femur is the longest in the human body.

Answer: Option C

Physiology is branch of medicine that studies towards proper functioning and working of human body. The methods used to do so are referred as physiotherapy. The person expert in physiology is called as physiotherapist. Physiotherapy is done after recovery of bone damage to ensure it's complete working as a normal bone.
So, the correct option is 'Physiotherapy'.