Give the exact location of:

(a) Pericardium

(b) Bicuspid valve

Given below is a schematic representation of the inheritance of the shape of seeds of garden pea. Answer the questions that follow:

(a) Which is the dominant and recessive allele of the trait?

(b) What does the ratio 3 : 1 in the F₂ generation represent?

(c) State Mendel’s Law of Dominance.

Distinguish between Diabetes mellitus and Diabetes insipidus (endocrine gland concerned).

Carbon monoxide is dangerous when inhaled in excess. Comment on the statement.