Biology
Aruna went to a theatre to watch a movie on a bright sunny morning. As she came out of the theatre, she felt a dazzling effect and could not open her eyes. After a few minutes her vision became normal. This is due to:
- Accommodation of eye
- Mutation
- Polarisation
- Adaptation of eyes
Related Questions
The diagram given below is that of a Neutrophil. The function is …………… :
- Secreting hormone
- Transporting food
- Phagocytosis
- Producing antibodies
Assertion (A): Pituitary gland is known as the master gland.
Reason (R): It regulates the activities of other exocrine glands.
- (A) is true and (R) is false.
- (A) is false and (R) is true.
- Both (A) and (R) are true and (R) is the correct explanation of (A).
- Both (A) and (R) are true but (R) is not the correct explanation of(A).
Reflex actions provide a survival advantage because they:
- Are controlled by the cerebrum.
- Are controlled by the medulla oblongata.
- Require no conscious thought, allowing rapid responses.
- Always involve the spinal cord.
Industrial melanism is the phenomenon by which the peppered moth:
- Die due to industrial growth.
- In polluted areas, became darker in colour for better camouflage.
- Became lighter in colour due to natural selection.
- Became resistant to industrial pollution.