Given below is a diagrammatic representation of a certain part of the process of circulation of blood in man. Study the same and then answer the questions that follows (i) Name the parts labelled A,B, C and D.
Given ahead is a diagrammatic representation of the process of fertilization. Study the same and then answer the questions that follow : (a) Name the parts labelled 1, 2, 3, 4, 5 and 6. (b) What happens to (i) Ovary (ii) Ovule after fertilization ? (c) What is the function of the synergids? (d) What part does the stigma play in the process of fertilization?
Given ahead is a diagrammatic sketch of the sectional view of a germinating pollen grain. Study the same and then answer the questions that follow : (a) Name the parts labelled 1, 2, 3, 4,and 5 (b) Where does the germination of the pollen grain takes place and how ? (c) What is the function of the part labeller `4' ? (d) What happens to the part labelled '5' during the process ?
Given below is a diagrammatic representation of a certain part of the process of circulation of blood in man. Study the same and then answer the questions that follows.(iii)Mention any two structural differences between blood vessels C and H.