Important Question Answer For Competitive Exam

NUTRIENT DEFICIENCIES IN PLANT
Whiptail of cauliflower- Mo
Scald of leaves- Mo
Yellow spots in citrus-Mo
Grey speck of oats- Mn
Marsh spot of peas- Mn
Phala blight of sugarcane-Mn
Little leaf of citrus- Cu
Dieback of citrus-Cu
Heart rot of sugarbeet& marigold-Boron
Top sickness of tobacco-boron
Internal necrosis in mango- boron
Brown heart of turnip-boron
Fruit creaking of tomato and pomegranate-boron
Crown choking in coconut-boron
White bud of maize-Zn
Khaira disease of rice-Zn
Leaf bronzing in litchi-Zn
Little leaf of mango,litchi, cashew-Zn
Jonathan spot of apple-water
Bitter pit of apple-excess of chloride ions in water
Buttoning in cauliflower-N
Black heart of potato-oxygen
Dr.Biwant Rajis the founder of--Really cropping
The Directorate of cropping system research is located--modipuram meerut U.P.
when the sub crop are sown to main to supplement of yield of the main crop the sub crops are known--Augmenting crop
The main crop is grown in the centre,surrounded by Hardly or thorny crops the sub crop is known as--Boarder or guard crops
The yield of both crops, grown together are found to be higher than the yield of their pure crops on unit area such cropping is known as--Synergetic crop
The growing of two or more crops on the same field in a year is called--multiple cropping
The Practice of raising grasses or pasture is also known as--lay farming
The optimum temperature for ideal germination of wheat--20-25
Jower is poor in lysine but rich in--leucine
Central Zig – zag axis of wheat is called-Rachi
In cotton bad opening of ball is known as– tirak
In cotton the maturity of fiber is judged by--Arealometet
One seed of cotton has--60000-80000fibre
priming method is used--cigarette and wrapper tobacco