Tag: soil : our life

Quizzes (12) Questions (114)

Questions Related to soil : our life

Multiple choice evs soil : our life soil profile soil- our life soil and crops

Which of the following are the substances that are present in the soil and required for the growth of crops?

  1. Manures

  2. Pesticides

  3. Fertilisers

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

We know that the growth of plants in the soil requires the presence of certain substances in it. This includes water and also nutrients present inside the soil.

Manures, as we know are prepared naturally by the process of decomposition of plant and animal bodies in the soi. They are not present in the soil but have to be prepared by composting and then added to the crop soil.
Pesticides are chemical substances that sprayed on the crop plants artificially to protect them from insect pests.
Fertilizers are also chemically prepared substances added to the soil to improves its nutritive value.
So, option D "Nutrients' is the correct answer.





.

Multiple choice evs soil : our life soil profile soil- our life soil and crops

Which of the following crop is not grown in clayey soil?

  1. Wheat

  2. Gram

  3. Paddy

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

Cotton crops are best grown in black soil. It is also known as black cotton soil. Black soil contains a very high proportion of calcium and magnesium and so cotton plants can obtain their necessary requirements. 

Lettuce and other plants with short roots can grow in clayey soil.
So, option D "Çotton" is the correct answer.

Multiple choice evs soil : our life soil profile soil- our life soil and crops

Fungi and bacteria grow mostly in

  1. Subsoil

  2. Top soil

  3. Bedrock

  4. All of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Fungi and Bacteria grow mostly in top soil. As Fungi is a saprophyte it feeds,on decay and some bacteria decomposes the fallen leaves into manures.

So, the correct answer is 'top soil'

Multiple choice evs soil : our life soil profile soil- our life soil and crops

Loamy soil is best suited for the growth of 

  1. Mangroves

  2. Lentils

  3. Pulses

  4. Both B and C
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Loamy soil has a good balance of sand, silt, and clay, providing excellent aeration and water retention, which is ideal for pulses and lentils.

Multiple choice evs soil : our life soil profile soil- our life soil and crops

The quality of the soil is affected by which of the following factors?

  1. Dryness, water and low temperature

  2. Wind, rainfall and light

  3. Light, temperature and humidity

  4. Both B and C
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Soil quality is influenced by various environmental factors including wind, rainfall, light, temperature, and humidity, which affect soil formation and nutrient content.

Multiple choice evs soil : our life soil profile soil- our life soil and crops

The soil which is preferred for the growth of the paddy crops is 

  1. Clayey soil

  2. Loamy soil

  3. Sandy soil

  4. Both B and C
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Clayey soil has high water retention capacity, which is essential for paddy crops that require standing water for growth.

Multiple choice evs soil : our life soil profile soil- our life soil and crops

The least porous soil among the following is a

  1. Loamy soil

  2. Silty soil

  3. Clay soil

  4. Peaty soil
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Clay soil has the smallest particle size, leading to very small pore spaces and low porosity compared to sandy or loamy soils.

Multiple choice evs soil : our life soil profile soil- our life soil and crops

Which of the following soil is transported by wind

  1. Alluvial

  2. Aerial

  3. Eolian

  4. Glacial
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Eolian soil refers to soil or sediment transported and deposited by the wind. Alluvial is water-borne, and Glacial is ice-borne.

Multiple choice evs soil : our life soil profile soil- our life soil and crops

Soil is a mixture of

  1. Sand and clay

  2. Sand and humus

  3. Clay and humus

  4. Sand, clay and humus
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Soil is a complex mixture consisting of mineral particles (sand, silt, and clay), organic matter (humus), water, and air. These components together define the soil structure and fertility.

Multiple choice evs soil : our life soil profile soil- our life soil and crops

Soil formed by transportation of disintegrated parent material from one place to another is called

  1. Light soil

  2. Alluvial soil

  3. Heavy soil

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

Sedimentary soil is formed by the accumulation and deposition of disintegrated parent material that has been transported from its original location by agents like water, wind, or ice.