Environmental Science MCQs

✅ The correct answer is option C.
The ratio of total live births to total population in a specified community or area over a specified period of time. The birthrate is often expressed as the number of live births per 1,000 of the population per year. Also called natality.

✅ The correct answer is option A.
Olive Ridley is a marine tortoise which shows the unique phenomenon “arribada”.

✅ The correct answer is option C.
The Gulf Coast states are more humid in summer than the coastal areas of Southern California mainly because of the higher water temperature in the Gulf of Mexico.

✅ The correct answer is option C.
Methane (CH4) is the potent green house gas.

✅ The correct answer is option A.
Still air is the poorest conductor of heat.

✅ The correct answer is option B.
A change of one degree on the Celsius scale is larger than a change of one degree on the Fahrenheit scale.

✅ The correct answer is option D.
O3, PAN and NO2 cause photochemical smog.

✅ The correct answer is option A.
The most widely used pesticides function by disrupting neurological cellular function.

✅ The correct answer is option C.
Hoolock Gibbon is the only Ape found in India, a primate species from the gibbon family of Hylobatidae. The Hoolock Gibbons of India are second largest of the gibbons, found only at south of Brahmaputra and east of the Dibang rivers in North East Indian states.

✅ The correct answer is option D.
Due to the older age and species diversity of the temperate forest ecosystems, many grasses and lower lying shrubs have difficulty growing to the breadth of the canopy composed of the taller trees. As a result, little sunlight actually reaches the forest floor, which serves as its own limiting factor.