Question

. Fill in the blanks :
(7) CH2 = CH2 is a/an type of hydrocarbon. (Saturated, Unsaturated)
(8) Mendeleev named scandium as
(eka-boron, eka-silicon)
(9)
is the exact site for gaseous exchange in human beings. (Alveoli, Bronchus)
(10) The anther contains
(Sepals, Pollen grains)
(11) A__ is used as a magnifying glass. (concave lens, convex lens)
(12) India is ranked in harnessing wind energy for the production of electricity. (third, fifth)​

Answer 1

Answer:

Unsaturated

Eka - Boron

Alveoli

Pollen grains

Convex lens

Fifth

HOPE IT HELPS YOU