Horticulture MCQ Question and Answer | Agriculture MCQ Question

Pusa Uphar is the variety of tomato among the given options that are resistant to fruit borer. The variety developed at IARI, plants are indeterminate, erect thick-stemmed with dark green foliage.
Fruit borer is a serious pest of tomato as it reduces yield by up to 40%. The young are greenish to brown, with dark lines about the size of half of the finger. Adult females are yellow moths with dark brown spots on their wings. Larvae feed on the leaves and later make holes in the fruit which can be up to the size of a pea.

Marigold originated in Mexico.
Both types of marigold whether it is French or African are indigenous to Mexico and Guatemala. They were discovered in the early 16^th century and brought to Europe and Northern Africa in the late 16^th century where they were quickly adopted into gardens.
Marigold was originally flowers of the calendula family, also brightly colored in shades of orange and yellow.

Diara's method of cultivation is followed in Cucurbits vegetable crops. The Cucurbitaceae, also called the gourd family, are a plant family consisting of about 965 species in around 95 genera. Squash, Pumpkin, Zucchini, etc. belongs to this family.
Diara land farming or riverbed cultivation is the very old practice of growing vegetables on the bank or basin of the river after when flood level receded. The Diara lands are formed and subjected to alluvion and diluvion action.

Riceyness is a premature initiation of floral buds in cauliflower characterized by riceyness. In this case, the peduncle elongates and the curd becomes granular and loose.
Curds of the flowers become loose, velvety, appearance, elongation of pedicel and formation of small white flower bud at the curdling stage. the main factor responsible for this is the fluctuation of temperature.

Cymbopogon flexuosus is East Indian lemongrass or Malabar grass. It is a perennial grass native to India, Sri Lanka, Burma and Thailand.
Its essential oil is produced by steam distillation of the freshly cut leaves, or it can be extracted using alcohol. Its oil is believed to possess therapeutic properties.

Pragati is the variety of brinjal developed crossing between Vaishali and Manjari Gota released in 1988. It is an improved version of Vaishali.
Plant type is semi-erect and bushy, fruit colour is purple and shape oval.
Plants are hardy and resistant to lodging. Duration is 180 - 190 days and the average yield is 350 quintals per hectare.

Gerbera variety suitable for cultivation under open conditions is Arka Krishika. It has a stalk length of 39 cm and produces yellow colored double types, 3 - 6 flowers per plant. It is suited for open-grown conditions and used for cut flowers and flower decoration.
Gerbera flowers are extensively distributed at heights of 1300 to 3200 meters. They grow well in states like Himachal Pradesh, Jammu & Kashmir and other Himalayan regions.

The yellow colour in the onion is due to the pigment Quercetin.
Quercetin is the pigment that adds colour to many fruits and vegetables. It is found mainly in the skins and leaves of the plant. Its production is stimulated by the impact of light. It is a powerful antioxidant.
The total content of quercetin in Onion is 300 mg/kg, which is considerably higher than in many other fruits and vegetables.

Blue mold rot in Citrus fruits is caused by Penicillium italicum. The species that most commonly cause postharvest spoilage of citrus fruit. The fungi gain entry if the fruit is damaged during handling and storage and then decay can spread from fruit to fruit.
Blue mold and green mold are the primary post-harvest pathogen of citrus, and there are few effective control measures for sour rot, sour rot could be controlled by a low-temperature environment, but the chilling injury still causes major bottlenecks.

Panama disease of bananas is prevented by the application of lime to the soil.
Panama disease is a wilting disease caused by the fungus Fusarium oxysporum. The pathogen is resistant to fungicides and its control is limited to phytosanitary measures.
Panama disease is one of the most destructive plant diseases of modern times.