Biodiversity and Conservation
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Levels and Patterns of Biodiversity
SubtopicLevels and Patterns of Biodiversity under Biodiversity and Conservation for Grade 12 CBSE.
Preview questions (no answers)
- 1.
Which region in India is recognized for having a significantly higher amphibian species diversity compared to the Eastern Ghats?
A.Indo-Gangetic Plain
B.Western Ghats
C.Himalayas
D.Deccan Plateau
- 2.
Who among the following scientists proposed the 'Species-Area Relationship' after extensive explorations in the wilderness of South American jungles?
A.Edward Wilson
B.David Tilman
C.Paul Ehrlich
D.Alexander von Humboldt
- 3.
Which of the following patterns is generally observed regarding species diversity as we move from the equator toward the poles?
A.Diversity remains constant
B.Diversity increases
C.Diversity decreases
D.Diversity first increases then decreases
Download the worksheet for Biodiversity and Conservation - Levels and Patterns of Biodiversity to practice offline. It includes additional chapter-level practice questions.
Importance and Loss of Biodiversity
SubtopicImportance and Loss of Biodiversity under Biodiversity and Conservation for Grade 12 CBSE.
Preview questions (no answers)
- 1.
As we move away from the equator towards the poles, the species diversity generally:
A.Increases significantly
B.Remains constant
C.First increases then decreases
D.Decreases
- 2.
The 'Evil Quartet' is a sobriquet used to describe the four major causes of which biological phenomenon?
A.Biodiversity losses
B.Atmospheric pollution
C.Population explosion
D.Genetic mutations
- 3.
Which of the following geographical regions is considered the most biodiverse on Earth, harboring more species than any other terrestrial environment?
A.The Himalayan range
B.Western Ghats of India
C.Amazonian rain forest
D.Sahara Desert
Download the worksheet for Biodiversity and Conservation - Importance and Loss of Biodiversity to practice offline. It includes additional chapter-level practice questions.
Biodiversity Conservation (In-situ and Ex-situ)
SubtopicBiodiversity Conservation (In-situ and Ex-situ) under Biodiversity and Conservation for Grade 12 CBSE.
Preview questions (no answers)
- 1.
In cryopreservation, gametes of threatened species are preserved in a viable and fertile condition for long periods in liquid nitrogen at which temperature?
A.B.C.D. - 2.
The Khasi and Jaintia Hills, which serve as a refuge for a large number of rare and threatened plants, are located in which Indian state?
A.Rajasthan
B.Meghalaya
C.Karnataka
D.Madhya Pradesh
- 3.
Which of the following is an example of ex-situ conservation?
A.National Park
B.Biosphere Reserve
C.Zoological Park
D.Sacred Grove
Download the worksheet for Biodiversity and Conservation - Biodiversity Conservation (In-situ and Ex-situ) to practice offline. It includes additional chapter-level practice questions.