Tamil Nadu Board 12th Standard Zoology - Chapter 12: Book Back Answers and Solutions
This post covers the book back answers and solutions for Chapter 12 – Zoology from the Tamil Nadu State Board 12th Standard Zoology textbook. These detailed answers have been carefully prepared by our expert teachers at KalviTips.com.
We have explained each answer in a simple, easy-to-understand format, highlighting important points step by step under the relevant subtopics. Students are advised to read and memorize these subtopics thoroughly. Once you understand the main concepts, you’ll be able to connect other related points with real-life examples and confidently present them in your tests and exams.
By going through this material, you’ll gain a strong understanding of Zoology Chapter 12 along with the corresponding book back questions and answers (PDF format).
Question Types Covered:
- 1 Mark Questions: Choose the correct answer, Fill in the blanks, Identify the correct statement, Match the following
- 2 Mark Questions: Answer briefly
- 3, 4, and 5 Mark Questions: Answer in detail
All answers are presented in a clear and student-friendly manner, focusing on key points to help you score full marks.
All the best, Class 12 students! Prepare well and aim for top scores. Thank you!
Chapter 12: Biodiversity and its Conservation
I. Multiple Choice Questions
a) Taiga
b) Tropical forest
c) Temperate rain forest
d) Mangroves
Answer Key:
b) Tropical forest
2. Conservation of biodiversity within their natural habitat is
a) Insitu conservation
b) Exsitu conservation
c) In vivo conservation
d) In vitro conservation
Answer Key:
a) Insitu conservation
3. Which one of the following is not coming under insitu conservation
a) Sanctuaries
b) Natural parks
c) Zoological park
d) Biosphere reserve
Answer Key:
c) Zoological park
4. Which of the following is considered a hotspots of biodiversity in India
a) Western ghats
b) Indo-gangetic plain
c) Eastern Himalayas
d) A and C
Answer Key:
d) A and C
5. The organization which published the red list of species is
a) WWF
b) IUCN
c) ZSI
d) UNEP
Answer Key:
b) IUCN
6. Who introduced the term biodiversity?
a) Edward Wilson
b) Walter Rosen
c) Norman Myers
d) Alice Norman
Answer Key:
b) Walter Rosen
7. Which of the following forests is known as the lungs of the planet earth?
a) Tundra forest
b) Rain forest of north east India
c) Taiga forest
d) Amazon rain forest
Answer Key:
d) Amazon rain forest
8. Which one of the following are at high risk extinction due to habitat destruction
a) Mammals
b) Birds
c) Amphibians
d) Echinoderms
Answer Key:
c) Amphibians
9. Assertion: The Environmental conditions of the tropics are favourable for speciation and diversity of organisms.
Reason: The climate seasons, temperature, humidity and photoperiod are more or less stable and congenial.
a) Both Assertion and Reason are true and Reason explains Assertion correctly.
b) Both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
c) Assertion is true , but Reason is false.
d) Both Assertion and Reason are false.
Answer Key:
a) Both Assertion and Reason are true and Reason explains Assertion correctly.
II. Short answer questions
12th bio zoolgy III. Long answer questions
12th bio zology
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