MEDIUM
10th CBSE
IMPORTANT
Earn 100

Why is adrenaline (epinephrine) called emergency hormone?     

Important Questions on Control and Coordination

MEDIUM
10th CBSE
IMPORTANT
Define reflex actions. Enlist two examples. Show the path of a reflex arc with the help of a diagram.
MEDIUM
10th CBSE
IMPORTANT
Name the hormone synthesized at shoot tips. How does it help to respond to light?         
EASY
10th CBSE
IMPORTANT
Enlist the source and function of growth hormone.
EASY
10th CBSE
IMPORTANT
Why is oxytocin called birth hormone?
EASY
10th CBSE
IMPORTANT
Which hormone regulates sodium-potassium balance in the body fluids?
EASY
10th CBSE
IMPORTANT
Enlist the source and function of estrogens.
MEDIUM
10th CBSE
IMPORTANT

Define tropism. Explain four kinds of tropism with one example of each. 

 

MEDIUM
10th CBSE
IMPORTANT
A person suffering from severe cold is not able to feel the smell of a scented flower due to non-functioning of