Horticulture MCQ Question and Answer | Agriculture MCQ Question

Dwarfing rootstock for pear is Quince.
Dwarfing rootstocks produce the smallest trees and range from 6 feet tall to 12 to 14 feet tall.
Quince is a deciduous tree that bears hard, aromatic bright golden-yellow pome fruit, similar in appearance to a pear. The quince (Cydonia oblonga) has been used for centuries as a rootstock for pear. Such stocks produce dwarf trees that are earlier bearing (with some varieties) than standard trees. The fruit from dwarf trees may mature a bit early, but it is of good quality.

Prevention of sprouting in the onion during storage is prevented by a pre-harvest spray of Maleic hydrazide. The hot and humid conditions of the kitchen and storage area favour the sprouting of onions.
It is an herbicide and plant growth regulator. It is of low acute toxicity. It has been shown to cause genotoxic effects in some mutagenicity studies. Its residue in food and tobacco is toxic, causing CNS disturbances and liver damage.

The mutant variety of okra is Punjab - 8. It is developed and released by KVK Ludhiana in 1995.
Plants are medium tall with splashes of purple pigmentation present on the stem. Leaves are deeply lobed and less serrated. Leaves, stems and petiole are less hairy. Fruits are thin, long, dark green and five ridged. It has resistance to the yellow vein mosaic virus and is tolerant to the borer. It is suitable for processing. The average marketable yield is 55 q/acre. It is suitable for February - March as well as June - July sowings.

The shading structure used in betel vine cultivation is called Bareja.
Bareja is normally made on raised slightly sloppy land. It is constructed with locally- available materials like bamboo, jute sticks, straw, etc. with a height of 2 - 2.5 m. The walls and top of the bareja are covered with thatching material like leaves of coconut, sugarcane, etc. It is a type of artificially created controlled environment for better quality and production of betel vine.

The optimum storage temperature of a banana is 13°C. A cool and dark area is required for the storage purpose of bananas.
For those banana fruits stored at room temperature, the shelf-life of the banana was only reached up to 6 days. For those banana fruits stored in cold storage, the condition of banana fruits reached up to 12 days.

Umran is the late-ripening cultivar of ber among the given options.
The Ber plant comes well under arid and semi-arid situations. It can tolerate salinity and alkalinity. Budded plants are used for planting.
The fruits of Umran are oval with smooth and glossy skin, and golden yellow. It gets mature in March end to Mid-April. It gives an average yield of 150 - 200 kg per tree.

Tamil Nadu is the largest producer of bananas in India. Banana is cultivated in about 1.12 lakh ha in Tamil Nadu. In Tamil Nadu, Coimbatore District holds the first position in the area under this crop followed by Erode and Tuticorin districts.
In the past five years, there has been a 32% increase in banana production in the state. Tamil Nadu exports the fruit to South Korea, Europe and South Africa, mainly from the Theni region as it produces the best quality banana in the state.

ELISA is an enzyme linked test.
ELISA stands for enzyme-linked immunoassay. It is a commonly used laboratory test to detect antibodies in the blood. An antibody is a protein produced by the body's immune system when it detects harmful substances, called antigens.

Plant exploration would be most successful when it is targeted at a micro center.
Microcenter is important sources for collecting valuable plant forms and also for the study of the evolution of cultivated species.
The exploration for germplasm collecting is conducted for desired genetic material (primitive and advanced) or capturing maximum variability to use in the crop improvement program and also to study the genetic variability within the crops.

In India, the 'Sapota' tree comes in fruiting twice a year.
Sapota starts bearing from the third year of planting but economic yields can be obtained from 5^th year onwards. The two main seasons of flowering are October - November and February - March and the two corresponding harvesting seasons are January - February and May - June.