Horticulture MCQ Question and Answer | Agriculture MCQ Question

Recessive bud mutation is most likely to be expressed in a Clone.
A clone is a group of plants produced exclusively from a single individual plant through asexual reproduction.
Bud mutation is a type of somatic mutation in plants, which refers to changes in the genetic material in meristem cells of the bud during cell division. And Recessive bud mutation gets expressed only under homozygous conditions, thus can be expressed in clones only, through asexual or somatic hybridization.

Fruit bud differentiation in Aonla takes place from March - April.
Aonla being a sub-tropical crop prefers a dry sub-tropical climate. Heavy frost during the winter season is not suitable for its cultivation. Slightly acidic to saline/sodic soil having a pH between 6.5 to 9.5 is suitable for cultivation.
Aonla is propagated by budding or softwood grafting. Planting of aonla is mainly done in July - August. An aonla tree may bear 1 - 3 q/tree, giving 15 - 20 tonnes/ha.

National Botanical Research Institute (NBRI) is located in Lucknow, U.P.
It is a research institute of CSIR and is engaged in the field of taxonomy and modern biology.
Originally conceptualized and set up as the National Botanic Gardens (NBG) by Professor Kailas Nath Kaul on behalf of the State Government of Uttar Pradesh, it was taken over by the CSIR in 1953.

Sulphur fungicide can be freely used on all vegetables except cucurbitaceous vegetables, as because most of the plants of the cucurbit family are sensitive to Sulphur, and it may injure plants, especially at high temperatures.
Elemental sulphur can be in dust form or as a wettable powder. However, the most popular fungicides in sulphur groups are the organic compounds known as dithiocarbamates.
These sulphur fungicides Control diseases in fruits, vegetables and flowers. Effective against powdery mildew, rust, scab, brown rot, rose black spot and many more.

Diara's method of cultivation is followed in the case of squashes, watermelon and pumpkin also.
The flood-prone areas are located mainly in the Mahanadi delta. Diara lands are, in general, associated with two natural calamities, viz. flood and drought. And farming on these diara lands on the banks of rivers is termed Diara farming or riverbed cultivation.
Diara farming is a pro-poor focused program for the rural community to increase household income and to improve the food security of landless.

Potato tuber moth (P. operculella) is the major pest of potatoes during storage.
Tuber moth is a cosmopolitan pest, especially in warm temperate and tropical regions where host plants are grown.
On tuber, detection is very difficult without cutting open some tubers, when larvae will be apparent within the potatoes.

Karnataka is the state with the highest Acreage of Pumpkin.
Pumpkin is a popular vegetable and it can be grown in various types of climatic conditions.
When most of the farmers in the Hyderabad Karnataka region have been going through tough times owing to consecutive droughts, a few have shielded themselves from the vagaries of nature, and thus selected pumpkin cultivation.
And on average, 2.590 ha th was reported to be under cultivation of pumpkin in 2017 in Karnataka.

Asahi Yamato, Sugar Baby and Improved shipper, all the given options have introduced a variety of watermelon.
Asahi Yamato released by IARI, New Delhi is a mid-season variety, of medium-sized fruits with an average fruit weight of 6 - 8 kg. The rind colour is light green with deep pink flesh; TSS 11 to 13%. The fruits ripen in 95 days.
Sugar Baby was released by IARI, New Delhi. The fruit is slightly small in size, round in shape having bluish black rind and deep pink flesh with small seeds. TSS 11 - 13%; average weight 3 - 5 kg. The fruits ripen in 85 days.
Improved Shipper introduced by PAU, Ludhiana. Fruits are large with a dark green rind, average fruit weight of 8 - 9 kg/ha, and moderately sweet with TSS 8 - 9%.

The annual flower used as a live screen is the sweet pea.
Annuals are nature’s powerhouse plants, marching through a single growing season with sure and steady colour. The term "annual" when applied to herbaceous ornamentals refers to plants that are grown for only one season.
Rapid-growing annual plants are suitable for large screens and hedges when trained on fences and trellises.

Roopa is an improved variety of walnuts.
More than 95 percent of walnut plantations in India are of seedling origin and are being grown since ancient times. Being a cross-pollinated crop each growing plant in walnut is a different genotype.
The varieties grown in India are mostly selected from indigenous materials or introduced from abroad.
Roopa variety with high shelling percentage, better kernel quality, and a soft shell has been identified and thus released for cultivation.