Define - Parturition.

Distinguish between Biodegradable and Non-biodegradable waste

Make a Punnett square for the cross between two heterozygous axial flowers. Write the Genotypic and Phenotypic ratios of the offspring.

Given below is the diagram of a human heart showing one phase of contraction. Study the same and answer the following questions.

(i) Label the parts numbered as 3 and 4.

(ii) What is the main difference between the blood flowing through the parts numbered as 1 and 2 ?

(iii) Write one important role of the part numbered as 5.