Occurrence of more than four spores from Spore mother cells is called

A. Micropyle

B. Nucellus

C. Chalaza

D. Hilum

A. (i), (ii) and (iii)

B. (iii) and (iv)

C. (i) and (iv)

D. (i) only

A. Male flowers are carried by water currents to female flowers at surface of water

B. Pollination occurs in submerged condition by water

C. Flowers emerge above surface of water and pollination occurs by insects

D. Flowers emerge above water surface and pollen is carried by wind

A. Maize

B. Wheat

C. Papaya

D. Castor