Indications are given about an eye disorder:
(a) Aged people are affected.
(b) Gradual loss of power of vision.
i. Identify this disorder.
ii. What is the reason for this disorder?

Q. The given figure depicts an eye defect :
i) Identify the defect
ii) Label part 1, 2
iii) What are the reasons for this defect ?
iv) state the function of part 2.

Q. (a) List three common refractive defects of vision. Suggest a way of correcting these defects.
(b) About $45lac$ people in developing countries are suffering from corneal blindness. About $30lac$ children below the age of $12$ years suffering from this defect can be cured by replacing the defective cornea with the cornea of a donated eye. How and why can students of your age involve themselves to create awareness about this fact among people?

Q. Genetic disorder haemophilia is characterised by excessive loss of blood. Which of the following statements is not true in relation to this disorder?

Q. Following are few characters of a disorder in human body.
(i) Inflammation of the mucous membrane of nasal passage
(ii) Watery secretions by mucous glands
(iii) Continuous sneezing
(iv) Eye watering
(v) Rise in body temperature
Identify the disorder from the choices given below.

Q.

If any woman experience menstrual cycle after 45 age so,this what simplies?is this any disorder or not?