Tag: natural vegetation and wildlife of india and world

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Questions Related to natural vegetation and wildlife of india and world

Multiple choice natural vegetation and wildlife of india and world resources of india and world general knowledge

With reference to Indian Agriculture, which one of the following statements is correct?

  1. About $90$% of the area under pulses in India is rainfed

  2. The share of pulses in the gross cropped are at the national level has doubled in the last two decades

  3. India accounts for about $15$% of the total area under rice in the world

  4. Rice occupies about $34$% of the gross cropped area of India
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In India, pulses are predominantly grown as rainfed crops, with about 85% to 90% of the area under pulse cultivation lacking assured irrigation. The other options are incorrect because the share of pulses has not doubled, India accounts for over 20% of the world's rice area, and rice occupies around 22-25% of India's gross cropped area.

Multiple choice natural vegetation and wildlife of india and world resources of india and world general knowledge

Consider the following statements
1. Rural forestry aims to raise the trees on community land and on privately owned land.
2. Farm forestry encourages individual farmers to plant trees on their own farmland to meet the domestic need of the family.
Which of the statements given above is/are correct?

  1. Only 1

  2. Only 2

  3. Both 1 and 2

  4. Neither 1 nor 2
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Rural forestry includes both community forestry (raising trees on public/community land) and agro-forestry (raising trees on private agricultural land). Farm forestry specifically refers to the practice where individual farmers plant trees on their own farmland to meet domestic or commercial needs. Thus, both statements are correct.

Multiple choice natural vegetation and wildlife of india and world resources of india and world general knowledge

There is a concern over the increase in harmful algal blooms in the seawaters of India. What could be the causative factors for this phenomenon?
1. Discharge of nutrients from the estuaries.
2. Run-off from to land during the monsoon.
3. Upwelling in the seas.
Select the correct answer from the codes given below.

  1. Only 1

  2. 1 and 2

  3. 2 and 3

  4. 1, 2 and 3
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Harmful algal blooms (HABs) are triggered by an excess of nutrients in water bodies. Estuarine discharges and monsoon agricultural run-off carry nutrient-rich fertilizers into the sea, while ocean upwelling brings cold, nutrient-rich deep waters to the surface, all of which fuel rapid algal growth.

Multiple choice natural vegetation and wildlife of india and world resources of india and world general knowledge

Consider the following statements.
1. Rural forestry aims to raise the trees on community land and on privately owned land.
2. Farm forestry aims to encourages individual farmers to plant trees on their own farmland to meet the domestic need of the family.
Which of the statements given above is/are correct?

  1. Only 1

  2. Only 2

  3. Both 1 and 2

  4. Neither 1 nor 2
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Rural forestry encompasses community forestry (on public land) and agro-forestry (on private land), while farm forestry encourages individual farmers to grow trees on their own land for domestic or commercial purposes. Both statements accurately define these components of social forestry.

Multiple choice natural vegetation and wildlife of india and world resources of india and world general knowledge

The pyramid of biomass will be inverted in the ecosystem of _____________.

  1. forests

  2. ponds

  3. grasslands

  4. drylands
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In a pond ecosystem, the biomass of producers (phytoplankton) at any given time is much smaller than that of the consumers (zooplankton and fish) because of the rapid turnover rate and short lifespan of phytoplankton. This results in an inverted pyramid of biomass.

Multiple choice natural vegetation and wildlife of india and world resources of india and world general knowledge

Most of the desert plants bloom during night because ____________.

  1. their blooming is controlled by low temperature

  2. they are sensitive to the phase of moon

  3. the desert insects eat away flower during day time

  4. the desert insects are active during their night time.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Many desert plants bloom at night to adapt to the extreme daytime heat and water scarcity. This nocturnal blooming coincides with the activity period of desert pollinators, such as moths, bats, and other nocturnal insects, which are active when temperatures are cooler.

Multiple choice natural vegetation and wildlife of india and world resources of india and world general knowledge

Which of the following is most stable ecosystem?

  1. Forest

  2. Grassland

  3. Desert

  4. Sea
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The ocean (sea) is considered the most stable ecosystem on Earth. Its massive volume, high chemical buffering capacity, and relatively constant temperature and salinity over long geological periods make it highly resistant to sudden ecological changes.

Multiple choice natural vegetation and wildlife of india and world resources of india and world general knowledge

Which one among the following covers the highest percentage of forest area in the world?

  1. Temperate coniferous forests

  2. Temperate deciduous forests

  3. Tropical monsoon forests

  4. Tropical rain forests
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Tropical rainforests cover the largest percentage of forest area globally, accounting for a significant portion of the world's total forest cover (with tropical forests overall making up about 45% of global forests). They surpass temperate coniferous and deciduous forests in total area.