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91
Chemical formulae of Thiourea is
Discuss
Answer & Solution
Answer: Option A
Solution:
Thiourea is an Organic Sulphur compound similar to urea where the oxygen atom is replaced by a Sulphur atom. It can also be called a Sulphur analog of Urea, chemically also known as thiocarbamide. Its chemical formula is NH2-CS-NH2.
It acts as an important bioregulator for the growth and development of crop plants. Exogenous application boosts the growth and productivity of plants under normal as well as stressful conditions.
92
Deficiency symptoms on lower leaves are due to
Discuss
Answer & Solution
Answer: Option D
Solution:
Deficiency symptoms on lower leaves are due to deficiency of phosphate i.e. P2O5.
P2O5 is triple superphosphate, a concentrated form of superphosphate and it contains 46% of P2O5.
The deficiency of phosphorus tends to inhibit or prevent shoot growth. Leaves turn dark, dull, blue-green and may become pale in severe deficiency. At first, the old leaves from the lower parts are affected but they may be translocated to the younger leaves also.
93
Among the oil seed crops mostly used food oil in India is
Discuss
Answer & Solution
Answer: Option B
Solution:
Groundnut oil is the most used food oil in India. It is the naturally processed oil made from extracting groundnuts through a cold squeezing process. It promotes a healthier lifestyle and improves the flavours of the food with a multitude of benefits and is rich in required nutrients.
94
The Kresek occurs in early stage of plant growth of rice in
Discuss
Answer & Solution
Answer: Option A
Solution:
Kresek is nothing but a phase in a wilting syndrome that occurs in the early stage of plant growth of rice in Bacterial leaf blight (BLB). BLB is the destructive bacterial disease observed for the first time in Japan and is caused by the bacterium Xanthomonas. Keresek mostly occurs within 3 - 4 weeks after transplantation of the crop.
95
Food and Agriculture Organisation (FAO) has its headquarters in
Discuss
Answer & Solution
Answer: Option C
Solution:
FAO stands for Food and Agriculture Organisation of the United Nations and was formed on 16th October 1945, and headquartered in Rome, Lazio.
It is a specialized agency that leads international efforts to defeat hunger and improve nutrition and food security.
96
Arkel, Early Badger, Bonneville and Early December are the improved varieties of
Discuss
Answer & Solution
Answer: Option B
Solution:
Pea is an annual plant, with a life cycle of one year and belongs to the legume family. Arkel, Early Badger, Bonneville and Early December are the improved varieties of Pea.
Arkel is the early season variety introduced from England Dwarf plants bearing double pods at lower nodes and singles at upper nodes.
Early Badger is a dwarf, Wrinkled seeded variety introduced from the USA.
Bonneville is a popular introduced variety from the USA, plants are medium tall and flowers are mostly borne in doubles.
Early December is also known as Jawahar Matar 3 and was developed at Jabalpur by the process of hybridization. It gives high shelling percentage.
97
Where is headquarter of Rajasthan Agricultural University located?
Discuss
Answer & Solution
Answer: Option B
Solution:
Rajasthan Agricultural University is Swami Keshwanand Rajasthan Agricultural University headquartered at Bichhwal, Bikaner, Rajasthan.
This university concisely aims to impart and promote knowledge related to agriculture. It is authorized to provide instructions in Agriculture and its allied sciences.
98
Berseem seeds are treated with
Discuss
Answer & Solution
Answer: Option B
Solution:
Berseem is an annual clover that belongs to the legume family, cultivated mostly in irrigated sub-tropical regions. Berseem is generally frost-sensitive, used mostly as fodder and cover crop.
Berseem seeds are treated with Rhizobium trifoli culture to get a good yield. Rhizobium culture forms a symbiotic association between the roots and nitrogen-fixing bacteria.
99
At field capacity the value of pF is
Discuss
Answer & Solution
Answer: Option B
Solution:
The pF value is a quantity that indicates the quality of water available in the soil. The pF value is zero when the soil is filled with water in submerged conditions.
Whereas the water remaining in the soil after 24 hours of irrigation or rainfall is the field capacity and at field capacity, the value of pF is 2.5.
100
'Operation Flood' scheme was operated by
Discuss
Answer & Solution
Answer: Option A
Solution:
The correct answer is Option A: NDDB, Anand.

Operation Flood, also known as the White Revolution, was a large-scale dairy development program in India.
Its main goal was to increase milk production and make India self-sufficient in milk.

The National Dairy Development Board (NDDB), located in Anand, Gujarat, was the key organization responsible for planning, implementing, and managing Operation Flood.

Now, let's look at the other options:

NDRI, Karnal (National Dairy Research Institute) is an important research institution for dairy science, but it wasn't the main operational body for Operation Flood.
IVRI, Izzatnagar (Indian Veterinary Research Institute) focuses on veterinary research, not primarily dairy development.
NDRI, Bengaluru (National Dairy Research Institute) is another campus of the National Dairy Research Institute but NDDB, Anand was the main body.

Therefore, NDDB in Anand was the central agency that drove the success of Operation Flood.