301. What is Pedology?

A. Study of water
B. Study of air
C. Study of soil
D. none
✅ The correct answer is option C.
Pedology is the study of soils in their natural environment. It is one of two main branches of soil science, the other being edaphology. Pedology deals with pedogenesis, soil morphology, and soil classification, while edaphology studies the way soils influence plants, fungi, and other living things.

302. A slow moving river of solid ice is called

A. delta
B. watershed
C. glacier
D. crevasses
✅ The correct answer is option C.
A glacier is a huge mass of ice that moves slowly over land. The term “glacier” comes from the French word glace (glah-SAY), which means ice. Glaciers are often called “rivers of ice.” Glaciers fall into two groups: alpine glaciers and ice sheets.

305. The average temperature of the earth is about __________ degree F.

A. 57
B. 59
C. 67
D. 65
✅ The correct answer is option B.
GISS data show global average temperatures in 2017 rose 1.62 degrees Fahrenheit (0.9 degrees Celsius) above the 1951-1980 mean. According to GISS, the global mean surface air temperature for that period was estimated to be 57 F (14 C). That would put the planet’s average surface temperature in 2017 at 58.62 F (14.9 C).

306. The processes of condensation and freezing:

A. Both release sensible heat into the environment
B. Both absorb sensible heat from the environment
C. Do not affect the temperature of their surroundings
D. Do not involve energy transport
✅ The correct answer is option A.
The processes of condensation and freezing release sensible heat into the environment.

308. The expansion on PQLI is

A. Physical quality of life index
B. Population quotient of life in India
C. Poor quality of life in India
D. Poverty, quality of life in India
✅ The correct answer is option A.
The Physical Quality of Life Index (PQLI) is an attempt to measure the quality of life or well-being of a country. The value is the average of three statistics: basic literacy rate, infant mortality, and life expectancy at age one, all equally weighted on a 0 to 100 scale.