Horticulture MCQ Question and Answer | Agriculture MCQ Question

White bud-a physiological disorder in sweet corn is caused by the deficiency of Zinc mineral nutrients.
Zinc deficiency is favoured by high soil pH; low organic matter soils with high soil pH; cool, wet soil.
Zinc is relatively immobile in the plant. Severe zinc deficiency may result in new leaves that are nearly white, an effect termed “white bud”.
Zinc (Zn) deficiency in corn causes interveinal, light striping, or a whitish band beginning at the base of the leaf and extending towards the tip. The margins of the leaf, the midrib area, and the leaf tip usually remain green. Plants are stunted because internodes are shortened.

The edible portion of cabbage is the head.
You can eat the cabbage core and stem which are highly nutritious and refreshingly crunchy.
Cabbage is a biennial plant grown as an annual vegetable crop for its dense-leaved heads. Heads average between 0.5 and 4 kg (1 and 8 lb), with fast-growing, earlier-maturing varieties producing smaller heads. Most cabbages have thick, alternating leaves, with margins that range from wavy or lobed to highly dissected; some varieties have a waxy bloom on the leaves.

The breakdown of vertical resistance due to the development of a new physiological race is the Vertifolia effect.
The Vertifolia effect is a well-documented phenomenon in the fields of plant breeding and plant pathology. It is characterized by the erosion of a crop's horizontal resistance to disease during a breeding cycle due to the presence of strong vertical resistance, characterized by the presence of R genes.

Multi-storyed cropping is practiced in Karnataka and Kerala.
Plantings consisting of an overstory of trees or shrubs with an understory of specialty or agronomic crops or forage. Tree-to-tree distance is wide enough to let sufficient light through to understory crops or forage. "Forest Farming" is a form of multistory cropping.
The practice of multi-storey cropping system is highly successful in plantation crops such as coconut, areca nut, cashew, and coffee for enhancing sustainable productivity and realizing higher income per unit area.

Chayote is a single-seeded cucurbit from the given options.
It is an edible plant belonging to the gourd family, Cucurbitaceae. The chayote fruit is mostly used cooked. When cooked, chayote is usually handled like a summer squash; it is generally lightly cooked to retain the crispy consistency. It is a good source of vitamin C.
It looks like a green pear, and it has a thin, green skin fused with the green to white flesh and a single, large, flattened pit.

Oxalic acid in leafy vegetables reduces the bio-availability of Calcium.
Oxalic acid can reduce mineral absorption. One of the main health concerns about oxalate is that it can bind to minerals in the gut and prevent the body from absorbing them.
For example, a leafy vegetable like spinach is high in calcium and oxalate, which prevents a lot of the calcium from being absorbed into the body.

The Ultra dwarfing rootstock of apple is M-27.
M-27 is a super dwarfing apple rootstock with trees growing to no more than 6 feet in height. This variety is perfect for the home gardener who doesn't have a lot of space to spare or wants to grow many different apple varieties in a small space. M-27 Apple Rootstock is one of the best rootstocks for container-grown apples.

The concept of the center of origin of crop plants was proposed by N. I. Vavilov.
A center of origin is a geographical area where a group of organisms, either domesticated or wild, first developed their distinctive properties. They are also considered centers of diversity.
Centers of origin were first identified in 1924 by Nikolai Vavilov.
A Vavilov Center (of Diversity) is a region of the world first indicated by Nikolai Vavilov to be an original center for the domestication of plants.

1^st company to supply vegetable seeds in our country is Sutton and Sons.
Sutton & Sons (India) Pvt. Ltd is an unlisted private company incorporated on 10^th January 1969. It is classified as a private limited company and is located in Kolkata, West Bengal. Its authorized share capital is INR 50.00 lac and the total paid-up capital is INR 48.00 lac.
Currently, Charles Mantosh and Ujjwal Kumar Ghoshal are two directors of Sutton and sons.

The Ministry of Agriculture has announced the year 2012 as the "Year of Horticulture".
Sharad Pawar, Minister of Agriculture and Food Processing Industries, announced the formal launch of 2012 as the “Year of Horticulture” to bring horticulture development in the country to centre stage.
Pawar complimented Indian farmers and all those associated with the development of horticulture in the country for achieving record production of over 240 million tonnes of horticulture produce.
Shri Pawar said that increase in production has resulted in higher per capita availability of fruits and vegetables, besides a substantial increase in its exports, which has helped the country to earn foreign exchange to the tune of Rs.14,000 crore.