Horticulture MCQ Question and Answer | Agriculture MCQ Question

Pusa Srijan is a rootstock of Guava released in 2004.
It is a potentially dwarf rootstock for guava and has been recommended for the Allahabad Safeda variety for establishing a high-density orchard.
A complete set of trisomics was identified in the progeny of triploid guava for the first time in fruit crops. It has helped in the development of trisomics and tetrasomics in guava. It is proven to have filed tolerance to wilt.

Almost Gynoecious variety of coconut is Spicata.
Gynoecious varieties are special hybrids that produce predominantly female flowers.
Palms that contain morphologically different inflorescences are referred to as spicata coconut.
These are branchless inflorescence with an abnormally large number of female flowers, most of them developed into mature fruits due to a low setting percentage,125 female flowers per bunch from which only 4.5 mature fruits were produced on average. Oil productivity of this variety was estimated to be 10 - 15 kg per year.

The harvesting stage of walnut is the PTB stage.
PTB here refers to packing tissue between and around the kernel halves just turning brown. And it is a phonological indicator of kernel ripening at harvest in walnuts. Higher mineral content, antioxidant, better fatty acid profile and antibacterial activity is observed in the PTB stage, hence it is considered good for harvesting.

A rapid removal of field heat from harvested produce is called Pre-cooling. It is done to slow down the metabolism and reduce deterioration before transport or storage. Because temperature is one of the most important factors that affect the post-harvest life and quality of fruits and vegetables.
It should be removed from commodities as quickly as possible after harvest & maintained at its lowest safe temperature.

Arka Aruna, Arka Puneet and Arka Anmol are varieties of mango whereas Arka Hans is not a variety of mango, it is a hybrid variety of grapes developed by the cross between Bangalore Blue and Anab-e-Shahi.
Arka Aruna is a hybrid between Banganapalli and Alphonso. it is dwarf, regular bearing and precocious.
Arka Puneet is the progeny from the cross Alphonso and Banganapalli. It is a mid-season variety.
Arka Anmol is derived from the parentage Alphonso and Janardhan pasand. It is a semi-vigorous type, regular bearing.

The minimum content of juice in an RTS beverage as per FPO recommendations is 10%.
RTS is Ready to Serve drink and this is a type of fruit beverage that contains at least 10% fruit juice (for lime drink 5% juice) and not less than 10% total soluble solids. The acidity in these drinks shall not exceed 3.5% citric acid.
The RTS beverage was prepared by using freshly prepared juices, water, and sugar as per FPO specifications. FPO is a farmer produce organization to ensure better income for the producers through an organization of their own.

Ricyness, fuzziness, hollow stem, leafyness and pinking are physiological disorders of cauliflower.
Ricyness is the velvety or granular appearance on the surface of the curd mainly due to temperature fluctuations.
Hollowness is caused by boron deficiency and a higher supply of nitrogen. It can be controlled by spraying borax.
Fuzziness is the phenomenon when the flower pedicels become velvety and curd elongates. The cultivation of the cultivars out of their normal growing season encourages this disorder.
Leafiness is the disorder in which the formation of small thin leaves from the curd reduces the quality of curd occurs.
This purple-pink colour in cauliflower is caused by the presence of anthocyanin, which is exacerbated by sun exposure and termed a pinking disorder in cauliflower.

The term used for a pruning system wherein low-hanging branches are removed is Skirting.
It affects canopy temperature, relative humidity, fruit yield and quality also.
It facilitates the operations such as fertilizer application and controlling weeds.
It should be done as soon after harvest as possible.

Apple crop flowers during March - April. Apple blossoms typically bloom anywhere from early spring to late summer.
Apple trees (Malus domestica) provide fragrant blossoms in the spring, light shade through the summer and tasty fruit in fall.
The buds that will become your fruit begin to appear after the apple tree flowers.

Santa rosa is a popular variety of Plum. It is a Japanese variety of medium-sized fruit with sweet and red fleshed pulp and deep red skin. It is named after its birthplace and was bred in 1906 by Luther Burbank in his Santa Rosa plant research centre.
It is complemented by a hint of tartness in the skin, which serves to balance out the sugars for a perfect blend of flavor.
This Japanese plum variety makes a stunning ornamental tree with its showy, pinkish white blossoms in the spring.