Biodiversity and its Importance, Class 12 Biology NCERT Solutions

1. There will be total 5  MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying.

1. The active chemical drug reserpine is obtained from

 Papaver

 Datura

 Atropa

 Rauvolfia

Question 1 of 5

2. Red data Book deals with:

 Animals on verge of extinction

 Plants showing photoperiodism

 Endemic plant

 Plants that are extinct

Question 2 of 5

3. Red data books are produced by:

  IUCN

 WWF

 IBWL

 None of these

Question 3 of 5

4. The species becomes extinct most easily by:

 Deforestation

 Heavy rains

 Urbanization

 Sliding of hills

Question 4 of 5

5. Amongst the animal groups given below, which one has the highest percentage of endangered species?

  Mammals

 Insect

 Amphibians

 Reptiles

Question 5 of 5

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