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Class 12 Biology: Biodiversity and Conservation — Chapter Test 1

Class 12 • Biology • Biodiversity and Conservation • Chapter Test

MediumFREE

15

Questions

20 min

Duration

15

Marks (1 each)

No

Negative marking

Original practice questions with full solutions by ExamPortal.

Instructions

  • • Read each question carefully and pick the correct answer.
  • • You can mark questions for review and come back to them.
  • • Answers are saved automatically.
  • • The test is submitted automatically when time runs out.

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This test is completely free.

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SYLLABUS & QUESTION BLUEPRINT

Sample Practice Questions

Preview 5 sample questions from this 15-question test. Test your knowledge below or take the full exam in timed CBT mode.

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Question 1 of 15
The term 'biodiversity' was popularised by:
A
Darwin
B
Edward Wilson
C
Mendel
D
Odum
View Correct Answer & Step-by-Step Solution
Correct Option:(B)Edward Wilson

Detailed explanation is available inside the official test attempt review.

Question 2 of 15
The three levels of biodiversity are:
A
genetic, species and ecological
B
plants, animals and fungi
C
land, water and air
D
tropical, temperate and polar
View Correct Answer & Step-by-Step Solution
Correct Option:(A)genetic, species and ecological

Detailed explanation is available inside the official test attempt review.

Question 3 of 15
Biodiversity generally decreases from:
A
the poles to the equator
B
the equator to the poles
C
east to west
D
sea level upwards only
View Correct Answer & Step-by-Step Solution
Correct Option:(B)the equator to the poles

Detailed explanation is available inside the official test attempt review.

Question 4 of 15
The 'Evil Quartet' refers to the four major causes of:
A
pollution
B
biodiversity loss
C
climate change
D
disease
View Correct Answer & Step-by-Step Solution
Correct Option:(B)biodiversity loss

Detailed explanation is available inside the official test attempt review.

Question 5 of 15
The most important cause of biodiversity loss is:
A
alien species
B
habitat loss and fragmentation
C
co-extinction
D
over-exploitation only
View Correct Answer & Step-by-Step Solution
Correct Option:(B)habitat loss and fragmentation

Detailed explanation is available inside the official test attempt review.

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Frequently asked questions

How many questions are there in Class 12 Biology: Biodiversity and Conservation — Chapter Test 1?

There are 15 questions to answer in 20 min. Each correct answer gives 1 mark, for a total of 15 marks.

Is there negative marking?

No. Wrong answers do not lose marks, so attempt every question.

Is this mock test free?

Yes, it is completely free. Just log in with your email to start.

What does this test cover?

It covers the chapter "Biodiversity and Conservation" of Class 12 Biology. All questions are original, with a full solution for each.

Will I see my result and the solutions?

Yes. Right after you submit you get your score, accuracy, rank and percentile, and you can review every question with the correct answer and a step-by-step explanation.

Can I take this test again?

Yes, you can retake it as many times as you like and compare your scores.