Class 11
Herbarium
Herbarium Definition A herbarium is a collection of dried, pressed, and preserved plant specimens that are mounted on sheets and arranged systematically for study and reference. Key Points of the Herbarium Plant specimens are collected, pressed, dried, and preserved.They are mounted on herbarium sheets.Each sheet contains information such as the plant’s scientific name, family, place …
What is external fertilisation ?
Solution : The fusion of a male and a female gamete takes place outside the body of the female is called external fertilisation. It is very common in aquatic animals such as fish, starfish, etc.
What is an internal fertilisation ?
Solution : Fertilisation which takes place inside the female body is called internal fertilisation. Internal fertilisationoccurs in many animals including humans, cows, dogs and hens.
What is fertilisation ?
Solution : fusion of the female gamete (egg ) and the male gamete ( sperm ) is called fertilisation,