Select the related number from the given

What is the scientific study of animal behavior known as?

During photosynthesis, green plants absorb:

Cerebral palsy primarily affects which of the following? 

Which is the smallest bone in the human body?

Which vitamin deficiency causes ‘Sterility’?

Where is the pituitary gland located in the human body?

Whitening of hair is caused by the deficiency of _________.

Who among the following can terminate the term of the Governor of a state? 

Human African trypanosomiasis, also known as sleeping sickness, is caused by which of the following?

What is essential for maintaining pregnancy in women?