Fill in the blanks with suitable words:

The technical term for short sightedness is (a) …………… . This defect is caused because the eyeball is (b) …………… from front to back or the lens is too (c) …………… . It can be corrected by using a suitable (d) …………… lens. The power of the lens is mentioned in (e) …………… .

Choose the odd one out from the following terms and name the category to which the others belong:

(a) Newspapers, Vegetable peels, Electric bulbs, Animal excreta

(b) Renal pelvis, Renal artery, Renal Cortex, Renal medulla

(c) Urochrome, Urea, Keratin, Uric acid

(d) Oval window, Cochlea, Auditory canal, Round window

(e) ADH, TSH, ACTH, NADP

The gene of red hair is recessive to the gene for black hair. What will be the hair colour of a person if he inherits a gene for red hair from his mother and a gene for black hair from his father?

State Mendel's Law of Dominance.