Recent questions tagged crop-production-&-management

134 Given below are the statements about the harmful effects of weeds on crop plants. i. They interfere in harvesting ii. They help crops to grow healthy. iii. They compete with crop plants for water, nutrients , space and light . iv. They affect plant growth . Choose the correct combination of statements a) i, iii, iv b)iii only c) iii , iv d) i, ii , iii, iv

Description : 134 Given below are the statements about the harmful effects of weeds on crop plants. i. They interfere in harvesting ii. They help crops to grow healthy. iii. They compete with crop plants for water, nutrients , space and light ... statements a) i, iii, iv b)iii only c) iii , iv d) i, ii , iii, iv

Last Answer : a) i, iii, iv

Read the statement given below (i ) Seeds require moisture for germination . (ii) Plant can absorb nutrients in dissolved form. (iii) Irrigation protects crop from both frost and hot air currents . (iv) Irrigation improves soil texture . a) i and ii b) i ,ii, iii c) i , ii , iii , iv . d) i and iii

Description : Read the statement given below (i ) Seeds require moisture for germination . (ii) Plant can absorb nutrients in dissolved form. (iii) Irrigation protects crop from both frost and hot air currents . (iv) Irrigation improves soil texture . a) i and ii b) i ,ii, iii c) i , ii , iii , iv . d) i and iii

Last Answer : a) i and ii

Which one of the following statement not true for organic manure ? a) It enhances water holding capacity of soil . b) It has a balance of all plant nutrients c) It provides humus to soil. d) It improves texture of soil.

Description : Which one of the following statement not true for organic manure ? a) It enhances water holding capacity of soil . b) It has a balance of all plant nutrients c) It provides humus to soil. d) It improves texture of soil.

Last Answer : b) It has a balance of all plant nutrients

Propagation of ginger is generally done using _______ . a) seed b)stem (rhizome ) c)root d)leaf

Description : Propagation of ginger is generally done using _______ . a) seed b)stem (rhizome ) c)root d)leaf

Last Answer : b)stem (rhizome )

Which one of the following condition is not essential to grow maize ? a) high temperature b)humidity c) very low temperature d)rainfall

Description : Which one of the following condition is not essential to grow maize ? a) high temperature b)humidity c) very low temperature d)rainfall

Last Answer : c) very low temperature

The grains are separated from chaff by __________. a) winnowing b)weeding c)sowing d)tilling

Description : The grains are separated from chaff by __________. a) winnowing b)weeding c)sowing d)tilling

Last Answer : a) winnowing

The process of crossing two genetically different individual to obtain new individual having desirable characters is known as __________. a) hybridization b)broadcasting c)sowing d)emasculation

Description : The process of crossing two genetically different individual to obtain new individual having desirable characters is known as __________. a) hybridization b)broadcasting c)sowing d)emasculation

Last Answer : a) hybridization

In 1960,_________ was brought about in India to make it self sufficient in grains . a) green revolution b)operation flood c)chipko movement d)none

Description : In 1960,_________ was brought about in India to make it self sufficient in grains . a) green revolution b)operation flood c)chipko movement d)none

Last Answer : a) green revolution

The process of separation of grains from cut crop after harvesting is known as ________. a) harvesting b)threshing c)winnowing d)sowing

Description : The process of separation of grains from cut crop after harvesting is known as ________. a) harvesting b)threshing c)winnowing d)sowing

Last Answer : b)threshing

The cutting and gathering of crop after maturation is known as _______. a) harvesting b)threshing c)winnowing d)sowing

Description : The cutting and gathering of crop after maturation is known as _______. a) harvesting b)threshing c)winnowing d)sowing

Last Answer : a) harvesting

______ are organism which attack and destroy the crops. a) weed b)pest c)logging d)chaff

Description : ______ are organism which attack and destroy the crops. a) weed b)pest c)logging d)chaff

Last Answer : b)pest

The falling down of crop due to untimely rain and strong winds is known as _______. a) sowing b)lodging c)weeding d)logging

Description : The falling down of crop due to untimely rain and strong winds is known as _______. a) sowing b)lodging c)weeding d)logging

Last Answer : b)lodging

The chemical which kill weeds but does not harm the crop is _________. a) weedicide b)pesticide c)fertiliser d)manure

Description : The chemical which kill weeds but does not harm the crop is _________. a) weedicide b)pesticide c)fertiliser d)manure

Last Answer : a) weedicide

________ method useful for watering plants having acute water shortage and in this method water falls drop – by –drop near the roots through narrow pipes . a) sprinkler system b)drip irrigation c)water logging d)weeding

Description : ________ method useful for watering plants having acute water shortage and in this method water falls drop – by –drop near the roots through narrow pipes . a) sprinkler system b)drip irrigation c)water logging d)weeding

Last Answer : b)drip irrigation

_______ is one of the ways which can be used for soil replenishment. a) field fallow b)transplantation c)tilling d)ploughing

Description : _______ is one of the ways which can be used for soil replenishment. a) field fallow b)transplantation c)tilling d)ploughing

Last Answer : a) field fallow

The quick growing plant like ______ acts as green manure. a) alfalfa b)pea c)wheat d)gram

Description : The quick growing plant like ______ acts as green manure. a) alfalfa b)pea c)wheat d)gram

Last Answer : a) alfalfa

In case of tomato plants seed are sown in small plot, and from here when seedlings are formed they are manually planted in the field . This method is known as ______. a ) transplantation b)sowing c)tilling d)levelling

Description : In case of tomato plants seed are sown in small plot, and from here when seedlings are formed they are manually planted in the field . This method is known as ______. a ) transplantation b)sowing c)tilling d)levelling

Last Answer : a ) transplantation

The process of preparing soil which involves loosening and turning of soil is known as _____. a) sowing b)ploughing c)broadcasting d)levelling

Description : The process of preparing soil which involves loosening and turning of soil is known as _____. a) sowing b)ploughing c)broadcasting d)levelling

Last Answer : b)ploughing

_______ is a rabi crop grown during the months from November to April . a) barley b)paddy c)maize d)sorghum

Description : _______ is a rabi crop grown during the months from November to April . a) barley b)paddy c)maize d)sorghum

Last Answer : a) barley

The practice of cultivating land for growing crops is known as ________ . a) crop production b)agriculture c)sowing d)broadcasting

Description : The practice of cultivating land for growing crops is known as ________ . a) crop production b)agriculture c)sowing d)broadcasting

Last Answer : b)agriculture

The living organism which make their own food through photosynthesis are known as ________. a) autotrophs b)hetrotrophs c)decomposers d)saprophytes

Description : The living organism which make their own food through photosynthesis are known as ________. a) autotrophs b)hetrotrophs c)decomposers d)saprophytes

Last Answer : a) autotrophs

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