Q. Following are the statements regarding the Usar soil -
1. It is reclaimed by adding lime.
2. This soil has pH more than seven.
3. Paddy crop can be grown in this soil.
Select the correct answer from the codes given below -
1) 1 and 2 are correct
2) 2 and 3 are correct
3) Only 3 is correct
4) Only 1 is correct
Q. What are the advantages of fertigation in agriculture?
1. Controlling the alkalinity of irrigation water is possible.
2. Efficient application of Rock Phosphate and all other phosphatic fertilizers is possible.
3. Increased availability of nutrients to plants is possible.
4. Reduction in the leaching of chemical nutrients is possible.
Select the correct answer using the code given below -
1) 1, 2 and 3 only
2) 1, 2 and 4 only
3) 1, 3 and 4 only
4) 2, 3 and 4 only
Q. In the context of India, which of the following is/ are considered to be practice(s) of eco-friendly agriculture?
1. Crop diversification
2. Legume intensification
3. Tensiometer use
4. Vertical farming
Select the correct answer using the code given below -
1) 1, 2 and 3 only
2) 3 only
3) 4 only
4) 1, 2, 3 and 4
Q. What is the use of biochar in farming?
1. Biochar can be used as a part of the growing medium in vertical farming.
2. When biochar is a part of the growing medium, it promotes the growth of nitrogen fixing microorganisms.
3. When biochar is a part of the growing medium, it enables the growing medium to retain water for longer time.
Which of the statements given above is/ are correct?
1) 1 and 2 only
2) 2 only
3) 1 and 3 only
4) 1, 2 and 3
Q. National Research Centre for Citrus (NRCC) is located in -
1) Pune
2) Akola
3) Wardha
4) Nagpur
Q. Indian Institute of Vegetable Research is located in -
1) Lucknow
2) Kanpur
3) Varanasi
4) Noida
Q. National Bureau of Soil Survey and Land Use Planning (NBSSLUP) is headquartered at -
1) Hyderabad
2) Delhi
3) Pune
4) Nagpur
Q. Musa Paradisica is the botanical name of -
1) Mango
2) Banana
3) Orange
4) Brinjal
Q. Consider the following statements :
1. Agricultural soils release nitrogen oxides into environment.
2. Cattle release ammonia into environment.
3. Poultry industry releases reactive nitrogen compounds into environment.
Which of the statements given above is/ are correct?
1) 1 and 3 only
2) 2 and 3 only
3) 2 only
4) 1, 2 and 3
Q. Which of the following is used as Biofertilizer?
1) Rhizobium
2) Blue-green algae
3) Azolla
4) All of these
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