Tag: commercial applications

Questions Related to commercial applications

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

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

  1. External migration

  2. Internal migration

  3. International migration

  4. National migration

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Internal migration occurs within the borders of a country, so while it shifts the population distribution, it does not change the total size of the national population.

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

Siberian crane is a regular visitor of bird sanctuary of

  1. Ranganathittu (Karnataka)

  2. Bharatpur (Rajasthan)

  3. Vedanthangal (Tamil Nadu)

  4. Lalbagh (Karnataka)

Reveal answer Fill a bubble to check yourself
B Correct answer
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.

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

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

  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.

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The question is poorly phrased, but in the context of wildlife education, these biological traits are often cited as reasons why tigers are elusive and successful predators, which ironically makes them targets for poachers who value these unique biological features.

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

People who kill animals are called 

  1. Poachers

  2. Hunters

  3. Forest Officer

  4. Both A and B

Reveal answer Fill a bubble to check yourself
D Correct answer
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.
Multiple choice commercial applications environmental equilibrium threatened species need of conservation conservation of soil and wild life sleeping time animal senses sense organs in animals

Which of the following is a correct statement?

  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

Reveal answer Fill a bubble to check yourself
D Correct answer
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'.
Multiple choice commercial applications environmental equilibrium threatened species need of conservation conservation of soil and wild life sleeping time animal senses sense organs in animals

'Ornithology' deals with

  1. Study of birds

  2. Study of Insects

  3. Origin of species

  4. Study of trees

Reveal answer Fill a bubble to check yourself
A Correct answer
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'.

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

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?

  1. (a) and (d)

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

  3. (b) and (c)

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

Reveal answer Fill a bubble to check yourself
A Correct answer
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.

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

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

  1. Climatic

  2. Health

  3. Water

  4. None of the above

Reveal answer Fill a bubble to check yourself
A Correct answer
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.