Tag: need to conserve biodiversity

Questions Related to need to conserve biodiversity

Wild life (protection) Act, 1972 includes which of the following objectives?

evs earth - our home need to conserve biodiversity protecting our environment rules are for everyone

  1. Restriction and Prohibition on hunting of animals.

  2. Setting up and managing sanctuaries and National Parks.

  3. Protection of specified plants.

  4. All of the above.

Show answer
Correct Option: D
Explanation:

The Wildlife Act was passed in 1972 to protect the wildlife and their habitats. The major activities and provisions in the act can be summed up as follows: 

1. It defines the wildlife related terminology. 
2. Enactment of an All India Wildlife Protection Act (1972). 
3. It provides for the appointment of wildlife advisory Board, Wildlife warden, their powers, duties etc. 
4. Becoming a party to the Convention of International Trade in Endangered Species of Fauna and Flora (CITES, 1976). 
5. Launching a national component of UNESCOs Man and Biosphere Programme (1971). 
6. Under the Act, comprehensive listing of endangered wildlife species was done for the first time and prohibition of hunting of the endangered species was mentioned. 
7. Protection to some endangered plants. 
8. The Act provides for setting up of National Parks, Wildlife Sanctuaries etc. 
9. The Act provides for the constitution of Central Zoo Authority. 
10. There is provision for trade and commerce in some wildlife species with license for sale, possession, transfer etc.
11. The act imposes a ban on the trade or commerce in scheduled animals. 
12. It provides for legal powers to officers and punishment to offenders.
Therefore, the correct answer is option D.

Best method to preserve the wild relatives of plants is

evs earth - our home need to conserve biodiversity protecting our environment rules are for everyone

  1. By growing them in natural habitats

  2. Gene library

  3. By storing seeds

  4. Cryopreservation

Show answer
Correct Option: A
Explanation:

The genetic material from wild varieties can be preserved either in gene banks or in-situ preservation. Gene bank saves the genes and other regenerative material from a wide range of plants. In-situ, is the preservation of wild variety of plants in the fields and forests where they grow. Thu, the correct answer is option A.

Find the odd one out:

evs earth - our home need to conserve biodiversity protecting our environment rules are for everyone

  1. Methanobacteria

  2. Pseudomonas

  3. Clostridium

  4. E.coli

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Correct Option: D
Explanation:

Biogas constitutes 50-80% methane and rest carbon dioxide. Methane is produced by anaerobic degradation of organic matter. Methanobacteria is responsible for production of methane. Pseudomonas and Clostridium is responsible anaerobic degradation of complex organic polymers. E.coli is not involved in the production of biogas.

Wild buffalo is an endangered species because

evs earth - our home need to conserve biodiversity protecting our environment rules are for everyone

  1. Its population diminishing

  2. It has become extinct

  3. It is found exclusively in a particular area

  4. Its poaching is strictly prohibited

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Correct Option: A
Explanation:

An endangered species is a native species that faces a significant risk of extinction in the near future throughout all or a significant portion of its range.

Which among the following help in replacing the use of conventional energy?

evs earth - our home need to conserve biodiversity protecting our environment rules are for everyone

  1. Solar energy

  2. Coal

  3. $\displaystyle { KH } _{ 2 }{ PO } _{ 4 }$

  4. Petrol

Show answer
Correct Option: A
Explanation:

As the population is growing at the fast pace, it is very important to manage the use to conventional resources. Replacing or reducing the conventional natural resource by non-conventional resources shall help in benefiting the future generation.

Which of the following has to be observed to protect wildlife?

evs earth - our home need to conserve biodiversity protecting our environment rules are for everyone

  1. Prevent deforestation

  2. Place ban on poaching

  3. Place ban on visiting sanctuaries

  4. Both A and B

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Correct Option: D

Biogas is a result of ______

evs earth - our home need to conserve biodiversity protecting our environment rules are for everyone

  1. Anaerobic process

  2. Aerobic process

  3. Chemical agents

  4. Mechanical process

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Correct Option: A
Explanation:

Biogas constitutes 50-80% methane and rest carbon dioxide. Methane is produced by anaerobic degradation of organic matter. 

Which of the following is associated with evil quartet?

evs earth - our home need to conserve biodiversity protecting our environment rules are for everyone

  1. Three horsemen

  2. Hunters

  3. Four horsemen

  4. None of the above

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Correct Option: C
Explanation:
The evil quartet also known as four horsemen of the apocalypse explains the four main human-induced causes of extinction which were habitat degradation, fragmentation, the introduction of exotic species and over-harvesting. Thus, the correct answer is option B.

Asseration : Recently, the government of India instituted the 'Amrita Devi Bishnoi Wildlife Protection Award'.

Reason : We can speed up the reforestation by planting trees.

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  1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.

  2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.

  3. Assertion is correct but Reason is incorrect.

  4. Both Assertion and Reason are incorrect.

  5. If the Assertion is false but Reason is true.

Show answer
Correct Option: B
Explanation:

'Amrita Devi Bishnoi Wild Life Protection Award' is given for significant contribution in the field of wildlife protection, which is recognised as having having done exemplary work for the protection of wildlife. A cash award of rupees one lakh is presented to individuals / institutions involved in wildlife protection.

Reforestation means replanting of forest trees in areas, which were once having dense forests but the forests were later on destroyed by cutting of trees in large numbers. 
Thus, the correct answer is option B.