Tag: biology

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Multiple choice biology natural resources water management - case studies water and air and their importance introduction to natural resources

Identify the incorrect pair of village and source water.

  1. Kothapally- masonry dam

  2. Vaddicherla- percolation tank

  3. Ralegan- percolation tank

  4. Vanaparthy- percolation tank
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Kothapally makes use of the masonry dam for the purpose of water for irrigation. Ralegan and Vanaparthy use percolation tanks as the source of water to increase the reserves of groundwater. This water can be used by creating walls and canals. There are no percolation tanks in the village of Vaddicherla. This results in the water scarcity which causes problems in the cultivation of paddy crops.

Thus, the correct answer is option B. 

Multiple choice biology natural resources water management - case studies water and air and their importance introduction to natural resources

The main livelihood activities in both Vanaparthy and Vaddicherla is

  1. Fishing

  2. Cultivation

  3. Silk formation

  4. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Vaddicherla and Venaparthy are small villages which are situated in the state of Andhra Pradesh. There have been set up of the percolation tanks which help to conserve and increase the level of the groundwater. The main occupation of the people in this areas is cultivation. The groundwater is used for irrigation and cultivation of paddy crops, gingelly, cotton, etc.

Thus, the correct answer is option B. 

Multiple choice biology natural resources water management - case studies water and air and their importance introduction to natural resources

Identify the side effect of rapid percolation of water.

  1. Soil erosion

  2. Soil acidity

  3. Loss of nutrient

  4. None of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The percolation tanks are constructed in the land which is highly permeable. The water which gets collected in the tank is then percolated in the ground.  and helps to recharge the groundwater system. The nutrients which are present in the soil solution gets leached and migrate to the groundwater reserves. This causes loss of the nutrients of the soil.

The correct answer is option C. 

Multiple choice biology natural resources water management - case studies water and air and their importance introduction to natural resources

The primary source of irrigation in Vanaparthy is 

  1. River

  2. Pond

  3. Well

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

Venaparthy is small village situated in the state of Andhra Pradesh. The village is known for being free from the problems due to the water crisis. There are percolation tanks which are set up in the village which help in the collection of water in the earthen dams and recharge the groundwater in these regions. The groundwater can be used by creating wells and canals which can be used for the purpose of irrigation and this helps to obtain high yield by this type of cropping pattern. The primary source of water used for irrigation is well which recharges the water from ground reserves.

Thus, the correct answer is option C. 

Multiple choice biology natural resources water management - case studies water and air and their importance introduction to natural resources

Which of the following is the major cause of the pitiable condition of small farmers at Vaddicherla?

  1. Soil erosion

  2. Water scarcity

  3. Low rain fall

  4. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Vaddicherla is a small village situated in the Warangal district in the state of Andhra Pradesh. The village is known for the problems due to groundwater pollution and water crisis. There are fewer groundwater resources which increase the problems in irrigation and crop production. The condition of the farmers is very pitiable because the main occupation of the people in the village is agriculture. This village is known to be scarcity village for having fewer resources of water and food. 

Thus, the correct answer is option B. 

Multiple choice biology water and air and their importance water management - case studies introduction to natural resources management of natural resources

Which one of the following is an inexhaustible resources?

  1. Soil

  2. Fossil fuels

  3. Minerals

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

Solar radiation is an inexhaustible and renewable source of energy. Soil, Fossil fuels and Minerals, all are exhaustible and their replenishment becomes impossible or very difficult.

So, the correct answer is "D".

Multiple choice biology water and air and their importance water management - case studies introduction to natural resources management of natural resources

The biggest source of energy on earth's surface is

  1. Coal

  2. Tides

  3. Atoms

  4. Solar radiations
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
Plants are the primary producers. They photosynthesize using solar energy. They form the basis of the food chain thereby providing energy to all higher life forms. Solar radiations regulate the weather and provide a habitable environment for all living creatures. It is also responsible for the water cycle. Thus the correct answer is option D.
Multiple choice biology water and air and their importance water management - case studies introduction to natural resources management of natural resources

A natural resource that has inherent capacity to replenish is called as

  1. Renewable resource

  2. Non renewable resource

  3. Exhaustible resource

  4. Inexhaustible resource
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Renewable resources are those that are replenished naturally over relatively short periods of time. It includes solar energy, tidal energy, geothermal energy, biomass, etc. Thus the correct answer is option A.