Tag: evs

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Multiple choice evs the pride of our nation opposition and cooperation with the rulers heritage of ancient india in the field of science and technology india's heritage of science and technology

Maharana Pratap was crowned in _______.

  1. Kumbhalgarh Fort

  2. Ranthambore Fort

  3. Gogunda Fort

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

Maharana Pratap was born on May 9, 1540, at Kumbhalgarh fort. He was the son of Rani Jaivanta Bai and Maharana Udai Singh. Though Maharana Pratap was the eldest and capable son of Udai Singh but as per the wish of Rani Dheer Bai her son, Jagmal was declared as next successors. After the death of Udai Singh due to the protest of senior courtiers Maharana Pratap was crowned in 1572 in Gogunda Fort.

Multiple choice evs the pride of our nation opposition and cooperation with the rulers heritage of ancient india in the field of science and technology india's heritage of science and technology

Which Rajput dynasty had not surrendered to Akbar?

  1. Pratihara

  2. Sisodiya

  3. Rathor

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

The Sisodiya dynasty of Mewar, led by Maharana Pratap, famously refused to submit to the Mughal Emperor Akbar, maintaining their independence despite significant pressure.

Multiple choice evs improvement in food resources crop yield improvement food supply crop improvement methods and organisations

Which of the following is formed as a result of the use of quality breeds?

  1. Producing higher yields in a shorter period of time

  2. Not requiring irrigation

  3. Increasing the lifespan of crops by 10 years

  4. Carrying out photosynthesis at night
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Quality breeds are the organism with improved quality or desired quality. It can be done by the breeding process like hybridization. The introduction of desired gene produce higher yields in a shorter time.

So, the correct answer is option A.

Multiple choice evs improvement in food resources crop yield improvement food supply crop improvement methods and organisations

In India, the state famous for peanut cultivation is

  1. Gujarat

  2. Goa

  3. Punjab

  4. Tamil nadu
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Peanut is grown mostly in five states namely Andhra Pradesh, Gujarat, Tamil Nadu, Karnataka, and Maharashtra, and together they account for about 90 percent of the crop's total area. Two of these states (Andhra Pradesh and Gujarat) account for more than half of the cultivated area.

So, the correct option is 'Gujrat'.

Multiple choice evs improvement in food resources crop yield improvement food supply crop improvement methods and organisations

A system of rotating crops with legume or grass pasture to improve soil structure and fertility is called

  1. Shifting agriculture

  2. Ley farming

  3. Contour farming

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

The process of growing of grass or legumes in rotation with grain or tilled crops as a soil conservation method is called Ley farming

So, the correct answer is 'Ley farming' 

Multiple choice evs improvement in food resources crop yield improvement food supply crop improvement methods and organisations

Which of the following methods of cultivation makes soil fertile?

  1. Excessive use of chemical fertilizers

  2. Extensive cultivation

  3. Crop rotation

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

Crop rotation is the practice of growing of different types of crops in alternate season. The cash crops grown in one season is replaced by leguminous plants in the other season. The nutrients which are used up by the previous crops are regained by the second crops. So, crop rotation maintains soil fertility and prevents soil erosion.

So, the correct answer is option C.

Multiple choice evs improvement in food resources crop yield improvement food supply crop improvement methods and organisations

Rotation of crops is carried out to

  1. Increase convenience for the farmers

  2. Increase variation in the mineral content of soil

  3. Increase in nitrogen content of the soil

  4. Increase diversity of plant habitats
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The practice of growing a series of different types of crops in the same area in sequenced seasons is called crop rotation.
The advantages of crop rotation are:-
1) It helps in reducing soil erosion.

2) It increases soil fertility and crop yield.
3) The soil of farms do not get deficient of one type of nutrients.
So, the correct answer is 'Increase variation in the mineral content of soil'.

Multiple choice evs improvement in food resources crop yield improvement food supply crop improvement methods and organisations

What are the adverse effects of using high yielding varieties of seeds?

  1. They are expensive

  2. They are require lots of water for irrigation

  3. They have a low productivity.

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

Although the high yielding variety of seeds gave a huge amount of production, it has some disadvantages also. They require a lot of water in the field which leads to the decreasing water table. Also, the HYV seeds required higher production cost in terms of irrigation equipment. It also has an adverse effect on the environment, as HVY seeds require more fertilizer to be added to the soil for better production, which decreases the fertility of the soil.