MEDIUM
12th CBSE
IMPORTANT
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Why are sacred groves highly protected?

Important Questions on Biodiversity and Conservation

MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 15 - Biodiversity and Conservation>TEST QUESTIONS>Q 13
“India has greater ecosystem diversity than Norway”. Do you agree with the statement? Give reasons in support of your answer.
MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 15 - Biodiversity and Conservation>TEST QUESTIONS>Q 13
Write the difference between genetic biodiversity and species biodiversity that exists at all the levels of biological organisation.
MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 15 - Biodiversity and Conservation>TEST QUESTIONS>Q 1
A particular species of wild cat is endangered. In order to save it from extinction which is a desirable approach in-situ or ex-situ? Justify your answer and explain the difference between the two approaches.
MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 15 - Biodiversity and Conservation>TEST QUESTIONS>Q 2
Why are alien species invasion and loss of habitat and fragmentation considered to be the major cause of loss of biodiversity? Explain with the help of one example each.
MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 15 - Biodiversity and Conservation>TEST QUESTIONS>Q 3
Alien species are highly invasive and are a threat to indigenous species. Substantiate this statement with any three examples.
HARD
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 15 - Biodiversity and Conservation>TEST QUESTIONS>Q 4

The graph shows the species-area relationship. Answer the following:

Question Image

(a) Name the naturalist who studied two kinds of relationships shown in the graph. Write the observation made by him.
(b) Write the situation as discovered by ecologist when the value of Z lies between (i) 0.1 and 0.2 (ii) 0.6 and 1.2. What does Z stand for?
(c) When would the slope of line 'B' become steeper?

MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 15 - Biodiversity and Conservation>TEST QUESTIONS>Q 5

There are many animals that have become extinct in the wild but continue to be maintained in zoological parks.

(a) What type of biodiversity conservation is observed in this case?

(b) Explain any other two ways which help in this type of conservation.

MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 15 - Biodiversity and Conservation>TEST QUESTIONS>Q 6

Since the origin of life on earth, there are five episodes of mass extinction of species.

(a) How is the sixth extinction, presently in progress, different from the previous episodes?

(b) Who is mainly responsible for the sixth extinction?

(c) List any four points that can help overcome this disaster.