Mixed cropping and intercropping involve growing of two or more crops simultaneously on the same field; but the latter differs from the former in that
Find out the wrong statement from the following
Developing crop varieties with wider adaptability will help in stabilising crop production, because
Which of the following are Indian cattle?
(i) Bos indicus
(ii) Bos domestica
(iii) Bos bubalis
(iv) Bos vulgaris
Determine the mineral nutrient/element whose loss is compensated by growing a pulse crop between two cereal crops.
To solve the food problem of tfie country which among the following is necessary?
Application of nitrogenous fertilisers causes
Animal husbandry is the scientific management of
(i) animal breeding
(ii) culture of animals
(iii) animal livestock
(iv) rearing of animals
Identify the group containing only pulse crops
Poultry farming is undertaken to raise following
(i) Egg production
(ii) Feather production
(iii) Chicken meat
(iv) Milk production
The scientific name of the honeybee employed in the commercial production of honey, is
Weeds affect the crop plants by
Catlas feed on the ______________ of the water body.
Precipitation and water runoff feed bodies of surface water. Evaporation and seepage of water into ground, on the other hand , cause of water bodies to lose water. Water that seeps deep into the ground is called groundwater. Surface water and groundwater are reservoirs that can feed into each other.
Using fertilisers in farming is an example of
The process of crossing genetically dissimilar plants of a species, is called
Intervarietal hybridization is the process in which parents involved in hybridization belong to the same species but different varieties. For example, crossing of two varieties of wheat or other crops. Interspecific hybrids are bred by mating two species, normally from within the same genus but different species.
Which of the following combinations are most suitable for composite fish culture?
The system of culturing five or six species of fish with different food habits, in a fishpond, is called
Mullets, prawns, mussels are examples of
Fresh water fisheries are found in ponds, tanks, rivers and various water bodies catla, rohu, mullets, and bhetki are some fresh water fisheries. They have important contribution to the growth of the economy of the country. There has been a very impressive growth in fish production during 1990's in the country.
Continuous use of fertilisers can destroy soil fertility because
Which of the following is not a source of carbohydrate?