NEET 2006 Biology question

Conifers differ from grasses in the-

(1)Production of seeds from ovules
(2)Lack of xylem tracheids
(3)Absence of pollen tubes
(4)Formation of endosperm before fertilizationCorrect

Answer: (4)

Solution

Conifers are gymnosperms, grasses are angiosperms. In gymnosperms the female gametophyte (haploid, nutritive tissue) develops from the megaspore and is formed before fertilisation, and it serves as the endosperm; in angiosperms the endosperm is

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-089665