Environmental Engineering

401. Viable material of endangered species can be preserved by

1. Gene bank
2. Gene library
3. Gene pool
4. Herbarium

View answer

402. What is the animal symbol of W. W. F (World Wildlife Fund)?

1. Red Panda
2. Giant Panda
3. Tiger
4. Kangaroo

View answer

403. What is the major cause of diminishing wildlife number?

1. Felling of trees
2. Cannibalism
3. Habitat destruction
4. Paucity of drinking water

View answer

404. What is the most important factor for the success of animal population?

1. natality
2. adaptability
3. unlimited food
4. inter species activity

View answer

405. When both partners are affected negatively the nature of interaction is

1. commensalism
2. competition
3. predation
4. amensalism

View answer

406. When is the World Wildlife week?

1. First week of September
2. Last week of September
3. First week of October
4. Last week of October

View answer

407. Which group of vertebrates comprises the highest number of endangered species?

1. Mammals
2. Fishes
3. Birds
4. Reptiles

View answer

408. Which of the following ecological pyramid is always upright?

1. Pyramid of energy
2. Pyramid of number
3. Pyramid of biomass
4. none of these

View answer

409. Which of the following group of gases cause photochemical smog?

1. Ozone, PAN and CO
2. HC, NO and PAN
3. O2, PAN, and NO2
4. O2, PAN and NO2
5. O3, PAN and NO2

View answer

410. Which of the following interactions will not promote co evolution?

1. commensalism
2. mutualism
3. parasitism
4. interspecific competition

View answer