Tag: commercial applications

Questions Related to commercial applications

Which of the following migration of population does not change the size of the population?

commercial applications environmental equilibrium threatened species need of conservation conservation of soil and wild life sleeping time animal senses sense organs in animals

  1. External migration

  2. Internal migration

  3. International migration

  4. National migration

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Correct Option: B

Siberian crane is a regular visitor of bird sanctuary of

commercial applications environmental equilibrium threatened species need of conservation conservation of soil and wild life sleeping time animal senses sense organs in animals

  1. Ranganathittu (Karnataka)

  2. Bharatpur (Rajasthan)

  3. Vedanthangal (Tamil Nadu)

  4. Lalbagh (Karnataka)

Show answer
Correct Option: B
Explanation:

Ghana bird sanctuary national park is located in Bharatpur district in Rajasthan. Every year during winters when the temperature in Siberia becomes very low, migratory birds like Siberian crane from Siberia, reach this national park for breeding.

Which of the following characteristics of tiger helps to reduce the poaching of the tiger? 

commercial applications environmental equilibrium threatened species need of conservation conservation of soil and wild life sleeping time animal senses sense organs in animals

  1. Whiskers of tiger help to sense the prey.

  2. The ears are flexible which carries the sound from large distances.

  3. Tigers can smell the urine of another tiger.

  4. All of the above.

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Correct Option: D

Jim Corbett National Park is located in 

commercial applications environmental equilibrium threatened species need of conservation conservation of soil and wild life sleeping time animal senses sense organs in animals

  1. Uttarakhand

  2. Madhya Pradesh

  3. Bihar

  4. None of the above

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Correct Option: A

The people who kill the animals are known as

commercial applications environmental equilibrium threatened species need of conservation conservation of soil and wild life sleeping time animal senses sense organs in animals

  1. Poachers

  2. Inhabitants

  3. Immigrants

  4. All of the above

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Correct Option: A

People who kill animals are called 

commercial applications environmental equilibrium threatened species need of conservation conservation of soil and wild life sleeping time animal senses sense organs in animals

  1. Poachers

  2. Hunters

  3. Forest Officer

  4. Both A and B

Show answer
Correct Option: D
Explanation:
  1. people kills the animals are called poachers and hunters as they usually leads to the selling of the killed animal. 
  2.  Forest Officer who holds the responsibility to safeguard the forests from illegal cutting and poaching of flora and fauna of the area under his jurisdiction. So option D is correct.

Which of the following is a correct statement?

commercial applications environmental equilibrium threatened species need of conservation conservation of soil and wild life sleeping time animal senses sense organs in animals

  1. Musk deer are killed to make a little scent from its musk.

  2. Rhinoceros are killed for its horn.

  3. Crocodiles are killed for their skins.

  4. All of the above

Show answer
Correct Option: D
Explanation:
  • Musk deer belong to the family Moschidae. To obtain deer musk, the deer is killed and its gland also called "musk pod", is removed. They are killed to make a little scent from its musk. Hence Musk deer are killed to make a little scent from its musk.
  • A rhinoceros belong to the family Rhinocerotidae Rhinoceros are killed by some humans for their horns, which are bought and sold on the black market, and used by some cultures for ornaments or traditional medicine. East Asia, specifically Vietnam, is the largest market for rhino horns. Hence Rhinoceros is killed for its horn.
  • Crocodiles or true crocodiles are large semiaquatic reptiles that live throughout the tropics in Africa, Asia, the Americas, and Australia. They are killed for their skin. Their skin is used to manufacture high-quality leather.
  • So, the correct answer is 'All the above'.

'Ornithology' deals with

commercial applications environmental equilibrium threatened species need of conservation conservation of soil and wild life sleeping time animal senses sense organs in animals

  1. Study of birds

  2. Study of Insects

  3. Origin of species

  4. Study of trees

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Correct Option: A
Explanation:

Study of birds comes under Ornithology.

Study of insects is called Entomology.
Study of trees or wooded plants is called Dendrology.

So correct answer is 'Study of birds'.

Consider the following statements.
(a)  Migration is the movement of people across the regions and territories.
(b)  The rural-urban migration has resulted in a decline in the percentage of the population in cities.
(c)  Migration can be internal as well as external.
(d)  Migration is the important determinant of population change.
Which of the above statements are correct?

commercial applications environmental equilibrium threatened species need of conservation conservation of soil and wild life sleeping time animal senses sense organs in animals

  1. (a) and (d)

  2. (a), (c) and (d)

  3. (b) and (c)

  4. (b), (c) and (d)

Show answer
Correct Option: A
Explanation:

Migration is the movement of organisms across the regions and territories. It has resulted in a steady increase in the percentage of organisms in that regions. Migration causes population change due to genetic drift, gene flow etc. Thus, the correct answer is option A.

Migratory birds fly to far away places because of ........... changes.

commercial applications environmental equilibrium threatened species need of conservation conservation of soil and wild life sleeping time animal senses sense organs in animals

  1. Climatic

  2. Health

  3. Water

  4. None of the above

Show answer
Correct Option: A
Explanation:

Migratory birds fly to far away places because of climatic changes. Bird migration is the regular seasonal movement, often north and south along a flyway for breeding, food availability, habitat and weather. For example, a flock of barnacle geese migrates during autumn.