is homework beneficial

Beneficial Mutations - Crop - Reported benefits after mutations Barley - Reduction in height, increased yield and day neutrality Groundnut - Improved oil content Wheat - Grain colour improved Rice - dwarfing, increased yield. In India, g induced mutations are carried out on seeds at Bhabh..

Crop - Reported benefits after mutations. Barley - Reduction in height, increased yield and day neutralit..

Component crops have a complimentary effect on one another. For example, legume crops have a beneficial effect on cereal or non-legume crops as they help in fixing nitrogen in the soil. There is higher yield by this metho..

) The removal of the undesired foreign impurities i.e., gangue, from the ore is called concentration (or beneficiation) of the ore. Either of the following methods is used for concentrating the ore..

In ancient Greece, the person getting free meals for entertaining others by his amusing converstions was called a parasite - 'para' refers to beside and 'sitos' refers to grains. Thus, parasitism is defined as an association between individuals of two different species which is beneficia..

Interaction Effect on species A Effect on species B Nature of Interaction A. Positive Scavenging (+) (Nil) Beneficial to scavenger, who feeds on flesh or dead organisms Commensalism (+) (Nil) One is beneficial, other is unaffect..

Question: What is ozone? How is it beneficial to us? Answer: Ozone (O 3 ) is a gas present in the stratosphere of the atmosphere. Ozone is known to absorb the ultraviolet (UV) rays present in the sun's radiation. The UV rays are believed to cause skin cancer and mutations. Thus..

1) They produce food for all organisms 2) They provide beneficial substances like drugs, tannins, fibres, rubber, vegetable oils, fuel, condiments. 3) Some plants contain alkaloids which check growth of cancer cells. Example: Rosy periwinkle. 4) Plants release O 2 , cool environment by r..

These are bacteria which live in a mutually beneficial association with other organisms. Such bacteria derive the essential nutrients from their host organisms and in that process help the host through some of their biological activities. 1. The most familiar example of symbiotic bacteria..

a) It makes possible propagation of plants that have lost their capacity to produce seeds. E.g., banana, rose b) Plants like Bermuda grass (Cynodon dactyoln) which produce only a small quantity of seeds are propagated vegetatively. c) It is a more rapid, easier and cheaper method. d) The plants pr..