Plant Kingdom Question 303

Question: The seed of Pinus sp. is [MP PMT 1997]

Options:

A) Uneconomic and nonendospermic

B) Abaxial and rounded

C) Adaxial and endospermic

D) Hypogeal and monocotyledonous

Show Answer

Answer:

Correct Answer: C

Solution:

Seed of Pinus is endospermic, perispermic diploid (2n).

The wing of seed is thin, membranous diploid (2x) and develops jointly from the basal upper surface (adaxial) of ovuliferous scale and outer layer of integument of the ovule.