Horticulture MCQ Question and Answer | Agriculture MCQ Question

Olour is a polyembryonic variety of mangoes.
When two or more two embryos develop from a single fertilized egg, then this phenomenon is known as Polyembryony.
Polyembryonic mangoes tend to be relatively resistant to anthracnose and are more productive than monoembryonic.

Class II preservatives like KMS and benzoic acid are added to inhibit microbial growth.
Class II preservatives are obtained by chemical derivation of compounds.
KMS is Potassium Metabisulphite. It is a white crystalline powder with a pungent odour. It is mainly used as an antioxidant or chemical sterilant.
Benzoic acid (BA) is a commonly used antimicrobial preservative in food and beverages, especially in carbonated beverages, as it presents its strongest antibacterial activity at pH 2.5 - 4.0. BA has inhibitory effects on the proliferation of bacteria and yeasts, a major cause of food spoilage.

Disbudding is an important practice in spray carnation.
The practice of removing undesirable immature flower buds to maximize food for plant development is termed Disbudding.
Disbudding is practiced in standard and spray or miniature carnations for quality flower production. In standard carnations, disbudding is practiced for getting good quality flowers.

Vitamin K is the most abundant fat-soluble vitamin.
Fat-soluble vitamins are most abundant in high-fat foods and are much better absorbed into your bloodstream when you eat them with fat.
Vitamin K plays a key role in helping the blood clot and preventing excessive bleeding. The most common foods with high vitamin K are green leafy vegetables such as kale, collard greens, broccoli, spinach, cabbage and lettuce.

Side grafting is the most ideal method for top working in Mango.
Top working is the method of rejuvenation of an old mango tree.
Side grafting is a process of a plant graft in which the scion is inserted into the side of the stock and the aerial head of the stock permitted to grow until a union is established between stock and scion.

Vegetable crops occupy only 2.8% of the total cultivated area.
The area under cultivation of fruits stood at 9.6 million hectares while vegetables were cultivated at 10.86 million hectares.
Uttar Pradesh has become India's largest vegetable producer, whereas West Bengal is in the second position in terms of the production of vegetables.
According to FAO (2020), India is the largest producer of ginger and okra among vegetables and ranks second in the production of Potatoes, Onions, Cauliflowers, Brinjal, Cabbages, etc.

The night temperature requirement for tomatoes is 15° - 20°C.
They need full sun, rich soil, and warm temperatures. The ideal nighttime temperatures range between 59 to 68 degrees Fahrenheit with daytime temperatures between 70 and 85 degrees F. When temperatures fall above or below these ranges, problems with growth, flowering and fruit production occur.

NAFED is an organization that is related to agricultural marketing.
National Agricultural Cooperative Marketing Federation of India (NAFED) was established on Gandhi Jayanti on 2^nd October 1958.
NAFED is registered under the Multi-State Co-operative Societies Act. It was set up with the object to promote cooperative marketing of agricultural produce to benefit the farmers.
The main is to facilitate, coordinate and promote the marketing and trading activities of the cooperative institutions, partners and associates in agricultural, other commodities, articles and goods.

Potherbs are generally Cool season crops.
Shingles of northern Europe and Baltic and Black Seas have racemes of small white flowers and large fleshy blue-green leaves often used as potherbs.
It is a usually leafy herb that is cooked for use as greens.
It is grown mostly in Kashmir and other hilly regions.

Onion belongs to the family of Amaryllidaceae.
Onion, (Allium cepa), is an herbaceous biennial plant in the amaryllis family (Amaryllidaceae) grown for its edible bulb.
The onion is likely native to southwestern Asia but is now grown throughout the world, chiefly in the temperate zones.