Question

S. Write the differences between acquired and inherited trait
9. Why did Mendel select pea plants for conducting bis experiments on inheritance? Give four
following in brief:
(2X48)
reasons.
10. Differentiate beru een arteries and veins.
11. Hos are the alveoli designed to maximize the exchange of gasex?
D. Answer the following in detail:
12. Give reason for the following:
(a) Arteries are thich walled blood vessels.
(b) Veins have valves in them.
(3X2-6)
13. Observe the diagram and ansiver the following:
ooplast
i guard cells
11 Inner walls
guaod cells diagsam
in Ateens chloroplast
aruci
gouot tetts Blagoen
-- 1. stoma
पय
(a) Vame the part lll.lll and IV.
(b) How do guard cells regulate the opening and closing of stomatal pore?
E.14. With the help of a flow chart explain in brief how the sex of a new born is genetically determined
in human beings. Which of the two parents, the mother or the father, is responsible for
determination of' sex of a child?
(5X155)​

Answer 1

Answer:

Ye Question kon se class ka h