Ecology and Environment (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology): Questions 133 - 137 of 310
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 3473 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.
Rs. 700.00 or
Question number: 133
» Ecology and Environment » Environmental Issues » Agrochemicals and Their Effects
Question
Noise pollution is created if noise is in excess to
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 40 - 65 db |
|
| b. | 70 - 75 db |
|
| c. | 50 - 60 db |
|
| d. | 80 - 99 db |
|
Question number: 134
» Ecology and Environment » Organisms and Environment » Habitat and Niche
Question
In the mountains, there is a lot of moisture and water and still the plants are xerophytes, because
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Rocks of mountains cannot absorb water. |
|
| b. | Water turns into snow on mountains. |
|
| c. | Water runs away due to the presence of slopes and cannot be used by plant (physiological dryness). |
|
| d. | Question does not provide sufficient data or is vague |
|
Question number: 135
» Ecology and Environment » Environmental Issues » Air Pollution and Its Control
Question
Photochemical smog is related to the pollution of
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Water |
|
| b. | Noise |
|
| c. | Air |
|
| d. | Soil |
|
Question number: 136
» Ecology and Environment » Organisms and Environment » Habitat and Niche
Question
Which of the following changes would be likely to make terrestrial life on this planet impossible?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | A decrease in mean temperature by 10 degree C. |
|
| b. | Disappearance of the moon. |
|
| c. | Change in the orbit of the earth from an ellipse to a surface of the earth. |
|
| d. | Change in atmosphere permitting the entire solar radiation reaching the upper atmosphere to penetrate to the surface of the earth. |
|
Question number: 137
» Ecology and Environment » Organisms and Environment » Habitat and Niche
Question
The change of the lighter colored variety of peppered moth Biston betularia to its darker variety (carbonaria) is due to
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Deletion of a segment of gene due to wings of moth resulting in darker variety. |
|
| b. | Translocation of a block of genes in chromosomes in response to heavy carbons. |
|
| c. | Industrial carbon deposited on the wings of moth resulting in darker variety. |
|
| d. | Mutation of single Mendelian gene for survival in the smoke-laden industrial environment. |
|