Question

Q2. Seeds of mustard are used for oil and spices while leaves are used as vegetables. * O They like flowers O They lay eggs on flowers O They suck nectar from flowers O All of these​

Answer 1

Answer:

Acceleration, rate at which velocity changes with time, in terms of both speed and direction. A point or an object moving in a straight line is accelerated if it speeds up or slows down. ... Acceleration is defined as the change in the velocity vector in a time interval, divided by the time interval.28-May-2021

Answer 2

Answer:

1. India is fourth largest contributor of oilseeds and Rapeseed and mustard contributes about 28.6% in total oilseeds production. After soybean and palm oil, it is third important oilseed in world. Mustard seeds and its oil is used for culinary purpose. Young leaves are used for vegetable purpose. Its oil cake is used for feeding cattle.
2. Mustard-rapeseed groups includes Indian mustard, Brown and yellow sarson, raya and toria crop. Indian mustard is grown in Rajasthan, Madhya Pradesh, UP, Haryana and Gujarat also in some areas of south like Andra Pradesh, Karnataka and Tamil Nadu. Yellow sarson is taken as rabi crop in Assam, Bihar, Orissa and West Bengal where as in Punjab, Haryana, UP and Himachal Pradesh it is taken as catch crop. Earlier brown sarson was cultivated in most of the area now its area under cultivation is decreases and replaced by Indian mustard. Brown sarson has two ecotypes Lotni and Toria. Toria is short duration crop sown under irrigated condition. Gobhi sarson is new emerging oilseed, it is long duration crop grown in Haryana, Punjab, and Himachal Pradesh.

• Light to heavy soil is good for mustard and rapeseed cultivation. Raya can be grown in all type of soil whereas loam to heavy soils are suitable for toria crop. Sandy and loamy sand soils are suitable for Taramira crops.

• For good germination of crop it required a fine seed bed. Do ploughing of soil for two to three times followed by two harrowing. Do planking after every ploughing. Prepared firm, moist and uniform seed bed as it will help in uniform germination of seed.