1.

Read carefully the passage and select the correct answer out of given four options:In the case of plants pollen grain contains male gametophyte. Pollen grains are variously articulated, but basically spherical in shape. They have two layers- outer one is Exine nd inner one is Intine. A mature pollen grain has two cells- Vegetative cell and Generative cell. The nucleus of generative cell divides and forms two male gametes. Pollen grains are rich source of protein. Vitamins and minerals also. Pollen of some of the plants may cause allergy leading to bronchitis.Pollen grain may be(a) Gametophyte(b) Articulated(c) Allergetic(d) All of these

Answer»

Answer (d) All of these



Discussion

No Comment Found

Related InterviewSolutions