Level: F.Sc (Pre-Engg)
Class: 1st Year
Board: Punjab Textbook Board
Chapter 9: Kingdom Plantae
Type: Short Questions
Author: Kiran Mehtab
PDF Size: 2 MB
How antheridia and archegonia of Adiantum differ from each other?
Each antheridium produces numerous spermatozoids which are spirally coiled and multiciliated. The archegonium consists of a venter and a neck. The venter contains the egg or oosphere and is embedded in thallus. The antherozoids reach the archegonium, by swimming in water.
What are ornamental plants of Fabaceae?
Some important ornamental plants include Lathyrus, Lupinus, Clitoria, Butea etc.
How many genera and species of Caesalpiniaceae are known?
This family includes about 152 genera and about 2300 species, mostly tropical and sub-tropical in distribution. In Pakistan the family is represented by 16 genera and about 60 species.
What are familiar plants of family Caesalpiniaceae.
Tamarindus indica Cassia fistula, Bauhinia variegata.