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Match List-I with List-II:
Choose the correct answer from the options given below |
(A)-(IV), (B)-(I), (C) - (II), (D)-(III) A)-(III), (B) - (IV), (C) - (I), (D)-(II) (A)-(II), (B) - (I), (C)-(III),(D) - (IV) (A)-(I), (B)-(III), (C) - (IV), (D)-(II) |
A)-(III), (B) - (IV), (C) - (I), (D)-(II) |
The correct answer is option (2) – (A)-(III), (B) - (IV), (C) - (I), (D)-(II)
Three cells are grouped together at the micropylar end and constitute the egg apparatus. The egg apparatus, in turn, consists of two synergids and one egg cell. The synergids have special cellular thickenings at the micropylar tip called filiform apparatus, which play an important role in guiding the pollen tubes into the synergid. Tapetum is a nutritive tissue layer that surrounds the developing microspores in the anther. It provides nourishment and metabolicsupport to the developing pollen grains. The pollen grain is the male reproductive structure in flowering plants. It consists of several layers, including the outermost layer called the exine and the inner layer called the intine. The exine is a hard, durable layer composed of sporopollenin. The structure of a typical angiosperm ovule consists of several parts. The ovule is a small structure attached to the placenta by a stalk called the funicle. |
