LONG ANSWER TYPE QUESTIONS

Author:NCERT

NCERT Biology Solutions for Exercise - LONG ANSWER TYPE QUESTIONS

Simple step-by-step solutions to LONG ANSWER TYPE QUESTIONS questions of Plant Kingdom from NCERT Exemplar Biology - Class 11. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from LONG ANSWER TYPE QUESTIONS with Hints & Solutions

HARD
11th CBSE
IMPORTANT

Gametophyte is a dominant phase in the life cycle of a bryophyte. Explain.

HARD
11th CBSE
IMPORTANT

With the help of a schematic diagram describe the haplo-diplontic life cycle pattern of a plant group.

HARD
11th CBSE
IMPORTANT

Lichen is usually cited as an example of ‘symbiosis’ in plants where an algal and a fungal species live together for their mutual benefit. Which of the following will happen if algal and fungal partners are separated from each other?
a. Both will survive and grow normally and independent from each other.

b. Both will die.

c. Algal component will survive while the fungal component will die.

d. Fungal component will survive while algal partner will die.

Based on your answer how do you justify this association as symbiosis

HARD
11th CBSE
IMPORTANT

Explain why sexual reproduction in angiosperms is said to take place through double fertilization and triple fusion. Also draw a labelled diagram of embryo sac to explain the phenomena.

MEDIUM
11th CBSE
IMPORTANT

Draw labelled diagrams of

a. Female and male thallus of a liverwort.

HARD
11th CBSE
IMPORTANT

Draw labelled diagrams of

b. Gametophyte and sporophyte of Funaria.

HARD
11th CBSE
IMPORTANT

Draw labelled diagrams of

c. Alternation of generation in Angiosperm.