Bihar Board - Class 12 Biology-Chapter 15. Biodiversity and Conservation Multiple Choice Questions
The multiple choice questions for Chapter 15. Biodiversity and Conservation of Class 12 Chemistry are provided here in English. These questions are based on the NCERT curriculum for Class 12. They are designed to help students assess their understanding of the key concepts covered in the chapter. These multiple choice questions will be useful not only for the Class 12 board exams but also for entrance exams like NEET. The questions for Bihar Board Class 12 Chemistry, Chapter 15. Biodiversity and Conservation, have been prepared by expert teachers at Vidyakul.
Multiple Choice Question
1. Which of the following phyla has the largest number of species?
(a) Arthropoda
(b) Echinodermata
(c) Cephalochordata
(d) Annelida
Answer:a
2 The term "The Evil Quartet" is related with
(a) four major causes of forest loss
(b) four major causes of population explosion
(c) four major causes of air pollution
(d) four major causes of biodiversity losses.
Answer:d
3 Which species is most likely to-be positively selected by natural selection?
(a) One with a large gene pool
(b) One with a medium gene pool
(c) One with a small gene pool
(d) No correlation exists between gene pool and natural selection
Answer:a
4. Which species is most likely to-be positively selected by natural selection?
(a) One with a large gene pool
(b) One with a medium gene pool
(c) One with a small gene pool
(d) No correlation exists between gene pool and natural selection
Answer:a
5. Where was the World Summit on Sustainable Development held?
(a) South Africa
(b) U.S.A.
(c) South Korea
(d) U.K.
Answer:a
6. Which of the following phyla has the largest number of species?
(a) Arthropoda
(b) Echinodermata
(c) Cephalochordata
(d) Annelida
Answer:d
7. Species diversity _____ as we move away from the equator towards the poles.
(a) Increases
(b) Decreases
(c) First increases then decreases
(d) First decreases then increases
Answer:b
8. What is the effect of species diversity, as one moves from high to low altitudes.
(a) Increases
(b) Decreases
(c) First increases then decreases
(d) First decreases then increases
Answer:a
9. What is Biodiversity referred to as?
(a) species in a region
(b) genes & species in a region
(c) Genetic, species & ecological diversity in a region
(d) Genes and species in an ecosystem
Answer:c
10. Wildlife is destroyed mostly by-
(a) Lack of proper care
(b) Mass scale Hurting
(c) Destruction of natural Habitats
(d) Natural calamity
Answer:c
