Symbiosis and its types

Correct the false statements by changing the underlined words. Symbiosis is the mutually beneficial relationship between plant roots and some fungi.

What is gametogenesis? Name its two types and give at least two differences between them.

Pathogen and its Types

[A] : Symbiosis is also furnished by mycorrhiza . [R] : In Mycorrhiza , symbiosis is establlished between alga and fungus .

A: Nitrogen fixing bateria always live in symbiosis. R; Symbiosis occurs between the organisms of the same species.

Define the following terms and give two examples in each case. (a) Autotrophs (b) Consumers (c) Food chain (d) Symbiosis (e) Parasitism (f) Predation

Which of the following is true regarding contraceptive types and its examples ?

$ Mycorrhiza is a type of symbiosis. ! Lichens have phycobiont and mycobiont.

What is simple tissue ? Classify and explain its different types with suitable diagram.

What is reflex action? Write its types and two examples.