Biology

1. Beta diversity is diversity

In a mountain gradient

In a community

Between communities

On a plain

Question 1 of 15

2. Which one of the following statement pertaining to pollutants is correct?

DDT is a non-biodegradable pollutant

Excess fluoride in drinking water causes osteoporosis hardening of bones, stiff joints

Methyl mercury in water may cause “Itai Itai” disease

Excess cadmium in drinking water causes black foot disease

Question 2 of 15

3. The Montreal protocol refers to

Substances that deplete the ozone layer

Biosafety of genetically modified organisms

Global warming and climate change

Persistent organic pollutants

Question 3 of 15

4. The role of bacteria in carbon cycle is

Evolution of O₂

Decomposition of organic compounds

Photosynthesis

Chemosynthesis

Question 4 of 15

5. Photorespiration in C₃ plants starts from

Glycerate

Phosphoglucerate

Phosphoglycolate

Glycine

Question 5 of 15

6. One of the ex-situ conservation methods for endangered species is

Cryopreservation

Biosphere reserves

Wildlife sanctuaries

National parks

Question 6 of 15

7. Minimata disease is pollution related disease. It results from

Oil spills in sea

Accumulation of arsenic

Release of industrial waste containing mercury in fishing water

DDT pollution

Question 7 of 15

8. Tectonic is the study of

Sun

Volcanos

Sand dunes

Earth’s crust

Question 8 of 15

9. Ozone in stratosphere extends

15-30 km

25-40 km

10-20 km

20-25 km

Question 9 of 15

10. Which one of the following is a pair of endangered species?

Hornbill and Indian aconite

Rhesus monkey and sal tree

Garden lizard and Mexican poppy

Indian peacock and carrot grass

Question 10 of 15

11. Which of the following is biodegradable pollutant?

Polythene

Asbestos

Sewage

Plastic

Question 11 of 15

12. Which one of the following organisms is likely to show the highest concentration of DDT, once it has been introduced into the ecosystem?

Snake

Toad

Cattle

Grasshopper

Question 12 of 15

13. If the Bengal Tiger becomes extinct

The populations of beautiful animals like deers will get stabilized

The wild areas will be safe for man and domestic animals

Hyenas and wolves will become scars

It gene pool will be lost for ever

Question 13 of 15

14. Formation of non-functional methaemoglobin causes blue-baby syndrome. This is due to

Excess of arsenic concentration in drinking water

Excess of nitrates in drinking water

Increased methane content in the atmosphere

Deficiency of iron in food

Question 14 of 15

15. Which one of the following pairs of geographical areas show maximum biodiversity in our country?

Eastern Himalaya and Western Ghats

Eastern Ghats and West Bengal

Sunderbans and Rann of Kutch

Kerala and Punjab

Question 15 of 15

Test Name	Biodiversity and Environmental Issues Test
Subject	Biology
Test Type	MCQs
Total Question	15
Total Marks	30
Total Time	15 Mints
Test Help For	Biology Subject Test Prep. All Admission Test Preparation. CBSE and AIIMS Tests prep. Biology General Knowledge Test Prep. NEET-UG Entrance Exams Prep. All Jobs and Recruitment Tests.

Test By Subject	Biology
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Biodiversity and Environmental Issues Test Online MCQs

Biodiversity and Environmental Issues Test Online MCQs

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