Description : Disease caused by Zn deficiency is (A) Khaira (B) Mosaic (C) Die-back (D) Whip tail
Last Answer : (A) Khaira
Description : The khaira disease of rice is caused due to deficiency of which of the following? [a] Zinc [b] Nickel [c] Nitrogen [d] Sulphur [e] None of the above
Last Answer : [d] Sulphur
Description : Khaira disease of rice can be controlled by spraying – 1) Copper sulphate 2) Calcium sulphate 3) Zinc sulphate 4) Borax
Last Answer : 3) Zinc sulphate
Description : Yellow leaf of citrus is due to def of ? a Mo b Zn c Mn d N
Last Answer : a Mo
Description : The most deficient micro – nutrient in Indian soil is : (A)Cu (B) Mn (C) Zn (D) B
Last Answer : (C) Zn
Description : Soils with high pH are generally deficient in:? a Zn and Mn b B and Fe c Cu and Mo d Ca and Mg
Last Answer : a Zn and Mn
Description : Whip tail disease of cauliflower is caused by deficiency of— (A) Nitrogen (B) Boron (C) Molybdenum (D) Zinc
Last Answer : (C) Molybdenum
Description : Gray spots of oat are caused by deficiency of (a) Cu (b) Zn (c) Mn (d) Fe.
Last Answer : (c) Mn
Description : Khaira disease of rice is controlled by spraying
Last Answer : Ans. Zinc sulphate (5 kg)+ lime (2.5 kg/ha) in 10 days nursery
Description : Khaira disease of rice is caused by
Last Answer : Ans. Zinc deficiency
Description : Khaira disease of rice usually attack at — stage. a. Nursery b. Grain felling c. Flowering d. Harvesting
Last Answer : a. Nursery
Description : ‘Little leaf’ and ‘rosette’ of apple, ‘white bud’ of maize are the deficiency symptoms of (a) Fe (b) Zn (c) Cl (d) Mo
Last Answer : (b) Zn
Description : Sunflower is also known as an individual plant for the deficiency of (A) Nitrogen (B) Zinc (C) Boron (D) Potash
Last Answer : (A) Nitrogen
Description : In cabbage, cauliflower and broccoli, hollow stems with darkened interiors are most often caused by? (Agriculture MCQ) [a] Calcium deficiency [b] Chilling temperatures [c] Boron deficiency [d] Magnesium deficiency [e] Zinc deficiency
Last Answer : [c] Boron deficiency
Description : In citrus plant, die back diseases is the result of deficiency of (a) N (b) P (c) Boron (d) Copper
Last Answer : (d) Copper
Description : Bloosom end rot of tomato is due to a. Infection/disease b. Boron/ Ca. deficiency c. Insect attack d. Nutritional deficiency
Last Answer : Boron/ Ca. deficiency
Description : Fruit cracking disease in Pomegranate is caused due to the deficiency of - a) Zinc b) Iron c) Boron d) Sulphar
Last Answer : c) Boron
Description : Which of the following element immobile in soil but mobile in plants? (A)S (B) B (C) Zn (D) P
Last Answer : (D) P
Description : The correct order of spin-only magnetic moments among the following is : (Atomic number : Mn=25,Co=27,Ni=28,Zn=30)
Last Answer : The correct order of spin-only magnetic moments among the following is : (Atomic number : Mn=25,Co=27,Ni=28,Zn=30) ... (4)]^(2-) gt [ZnCl_(4)]^(2-)`
Description : Cytosolic superoxide dismutase contains (A) Zn only (B) Cu only (C) Zn and Cu (D) Mn
Last Answer : Answer : C
Description : Intestinal absorption of chromium is shared with (A) Mn (B) Mg (C) Ca (D) Zn
Last Answer : Answer : D
Description : The mitochondrial superoxide dismutase contains (A) Mg++ (B) Mn++ (C) Co++ (D) Zn++
Last Answer : Answer : B
Description : Which of the following is required for crystallization and storage of the hormone insulin? (A) Mn++ (B) Mg++ (C) Ca++ (D) Zn++
Last Answer : D
Description : Trace elements are a. Zn+2, Cu+2, Mn+2 b. MO6+, Ni2+, B3+ and CO2+ c. Both a and b d. None of these
Last Answer : Ans: D
Description : Which one is an essential mineral, not constituent of any enzyme but stimulates the activity of many enzymes? (a) Zn (b) Mn (c) K (d) Mg
Last Answer : (c) K
Description : Which one of the following elements is not an essential micronutrient for plant growth? (a) Zn (b) Cu (c) Ca (d) Mn
Last Answer : (c) Ca
Description : Which is essential for the growth of root tip? (a) Zn (b) Fe (c) Ca (d) Mn
Description : Which element is macronutrient? a. Mo b. Mn c. Zn d. Ca
Last Answer : d. Ca
Last Answer : Mn++
Description : The water core disease of apples is caused by (a) boron deficiency (b) bacterial infection (c) fungal infection (d) high temperatures
Last Answer : Ans:(d)
Description : Khaira disease is caused by
Last Answer : Ans.Zn deficiency.
Description : Intervenous chlorosis is caused due to the deficiency of— (A) N (B) Mg(C) S (D) Fe
Last Answer : (D) Fe
Description : Yellow spots on citrus leaves is due to the deficiency of: (1) Zinc (2) Magnesium (3) Boron (4) Iron
Last Answer : Magnesium
Description : Phosphorus is generally fixed in acid soils in the form of— (A) Calcium Phosphate (B) Zn Phosphate (C) Aluminium Phosphate (D) None of these
Last Answer : (C) Aluminium Phosphate
Description : Which element is involved in biosynthesis of IAA ? (A) Nitrogen (B) Boron (C) Zinc (D) Copper
Last Answer : (C) Zinc
Description : Which one of the following element is mobile in plants but immobile in soil ? (A) Sulphur (B) Zinc (C) Boron (D) Phosphorus
Last Answer : (D) Phosphorus
Description : Which one of the following crops is sensitive to salt as well as boron in soil and water ? (A) Grape (B) Sugar beet (C) Carrot (D) Cotton (E) None of these
Last Answer : (B) Sugar beet
Description : What is the main function of zinc in the plants ? (A) Synthesis of nitrogen (B) Synthesis of phosphorus (C) Required for synthesis of Tryptophos (D) To increase activity of the boron
Last Answer : (C) Required for synthesis of Tryptophos
Description : Which of the following elements is not essential element of plants but proves to be beneficial for some plants? a) Boron b) Sodium c) Iodine d) Copper
Last Answer : b) Sodium
Description : Boron content in borax (suhaga) is (a) 11% (b) 25%(c) 19% (d) 39%
Last Answer : (a) 11%
Description : Which of the following elements is not essential element of plants but proves to be beneficial for some plants?a) Boron b) Sodium c) Iodine d) Copper
Description : Plant micronutrient is – a) Carbon b) Boron c) Magnesium d) Sulphur
Last Answer : b) Boron
Description : What is the disease caused by magnesium deficiency ?
Last Answer : : Disruption of chlorophyll production due to magnesium deficiency disease.
Description : White rust is an important fungal disease of? a. Wheat b. Mustard c. Rice d. Bajra e. Tea
Last Answer : b. Mustard
Description : White rust is an important fungal disease of – a) Wheat b) Mustard c) Rice d) Bajra
Last Answer : b) Mustard
Description : Red and purple colour of maize (Zea Mays) is due to deficiency of (A) Ca (B) N (C)F (D) P
Description : Milk fever in cattle is caused due to the deficiency of : (A) Ca (B) Fe (C) Vit. ‘D’ (D) N (E) None of these
Last Answer : (B) Fe
Description : Milk fever is caused due to the deficiency of— (A) P (B) Ca (C) Mg (D) K
Last Answer : (B) Ca
Description : Pink pigmentation of grapes at ripening is due to ? a N Deficiency b K Deficiency c Erratic rainfall d High difference of diurnal temperature
Last Answer : d High difference of diurnal temperature
Description : Country having the maximum area of hybrid rice is (A) China (B) India (C) Indonesia (D) U.S.A.
Last Answer : (A) China