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 : Yellow spots on citrus leaves is due to the deficiency of: (1) Zinc (2) Magnesium (3) Boron (4) Iron
Last Answer : Magnesium
Description : Khaira disease in rice is due to the deficiency of (A) Boron (B) Mn (C)S (D) Zn
Last Answer : (D) Zn
Description : Whip tail disease of cauliflower is caused by deficiency of— (A) Nitrogen (B) Boron (C) Molybdenum (D) Zinc
Last Answer : (C) Molybdenum
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 : Which element is involved in biosynthesis of IAA ? (A) Nitrogen (B) Boron (C) Zinc (D) Copper
Last Answer : (C) Zinc
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 : 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 : Red and purple colour of maize (Zea Mays) is due to deficiency of (A) Ca (B) N (C)F (D) P
Last Answer : (D) P
Description : Yellow leaf of citrus is due to def of ? a Mo b Zn c Mn d N
Last Answer : a Mo
Description : Disease caused by Zn deficiency is (A) Khaira (B) Mosaic (C) Die-back (D) Whip tail
Last Answer : (A) Khaira
Description : Plant micronutrient is – a) Carbon b) Boron c) Magnesium d) Sulphur
Last Answer : b) Boron
Description : Citrus tristeza virus is transmitted through – a) Aphid b) Thrips c) Nematode d) Plant hopper
Last Answer : d) Plant hopper
Description : Deficiency of which of the following nutrient leads to terminal bud leaf becoming chlorotic white? [a] Copper [b] Calcium [c] Iron [d] Chlorine [e] None of the above
Last Answer : [e] None of the above
Description : Although a deficiency of any one of the elements listed may result in chlorosis, only one of these elements is an element found in chlorophyll. Which is it?(a) Zinc (b) Iron (c) Magnesium (d) Chloride
Last Answer : (c) Magnesium
Description : Consider the following plant diseases: 1. Brown rot of potatoes. 2. Citrus dieback 3. Tikka disease of peanut 4. Tundu disease of wheat Which of the above disease/s is/are caused by the bacteria? (a) 1 and 3 (b) 1 and 4 (c) Only 2 (d) 2 and 4
Last Answer : Ans:(b)
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 : Boron content in borax (suhaga) is (a) 11% (b) 25%(c) 19% (d) 39%
Last Answer : (a) 11%
Description : Milk fever is caused due to the deficiency of— (A) P (B) Ca (C) Mg (D) K
Last Answer : (B) Ca
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 : Intervenous chlorosis is caused due to the deficiency of— (A) N (B) Mg(C) S (D) Fe
Last Answer : (D) Fe
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 : Kinnow is the hybrid variety of— (A) Citrus (B) Orange (C) Mandarin (D) Lemon
Last Answer : (C) Mandarin
Description : Seeds are sown immediately after extraction in which fruit A) Citrus B) Ber C) Mango D) Jamun
Last Answer : A) Citrus
Description : Which crop is called micronutrient loving crop A) Mango B) Citrus C) Banana D) Apple
Last Answer : C) Banana
Description : Marmalade is prepared from? a) ripe guava fruits b) ripe ber fruits c) citrus fruits d) unripe mango fruits
Last Answer : c) citrus fruits
Description : Minerals known to be required in large amounts for plant growth include (a) potassium, phosphorus, selenium, boron (b) magnesium, sulphur, iron, zinc (c) phosphorus, potassium, sulphur, calcium (d) calcium, magnesium, manganese, copper.
Last Answer : (c) phosphorus, potassium, sulphur, calcium
Description : What are the deficiency symptoms of Boron in plants? -Biology
Last Answer : answer:
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 : 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 : The deficiency of calcium and boron are found on — a. Old leaves b. New leaves c. Terminal leaves d. Old and new leaves
Last Answer : c. Terminal leaves
Description : Why gypsum is used in crop of mustard ? (A) For supplying sulphur (s) (B) For supplying N (C) For supplying Fe (D) For supplying P
Last Answer : (A) For supplying sulphur (s)
Description : D.A.P. contains the N percentage— (A) 9% (B) 18% (C) 27% (D) 36%
Last Answer : (C) 27%
Description : Organic carbon is a measure of? A. Available N in soil B. Available P in soil C. Available K in soil D. Available Mg in soil
Last Answer : A. Available N in soil
Description : The existence of a gas is vanished atA. N.T.P. B. At any temperature C. Absolute zero D. 0°C E. None of the above
Last Answer : C. Absolute zero
Description : Who is known as the ‘Father of White Revolution’ in India? a. P Pal b. Kurien c. S Swaminathan d. N.Bahal e. None of these
Last Answer : b. Kurien
Description : Stomata are regulated by (a) N (b) P (c) K (d) Ca
Last Answer : (c) K
Description : Fertilizer dose recommended for a crop of Groundnut is N:P:K, respectively (a) 20-40: 50-60: 30-40 (b) 40-50: 50-60: 30-40 (c) 20-40 : 60-80: 30-50 (d) 40-50 : 60-80: 30-50
Last Answer : (a) 20-40: 50-60: 30-40
Description : Mottle leaf of citrus is due to deficiency of
Last Answer : Ans. Zinc
Description : The main cause of leaf mottle disease in citrus is due to the deficiency of - a) Manganese b) Sulphar c) Zinc d) Iron
Last Answer : c) Zinc
Description : Which one prevents skin diseases ?
Last Answer : Fat prevents skin diseases.
Description : Processed meat and poultry products have good market. However, their export is mainly hampered due to...... (A) processing not as per demand (B) breeds are not suitable for export ... conditions (D) unhygienic conditions of slaughter houses and animal diseases (E) domestic market is available easily
Last Answer : (D) unhygienic conditions of slaughter houses and animal diseases
Description : Agronomy is a branch of Agriculture that deals with – a) Breeding of crop plants b) Principles of field management c) Principles and practice of crop production d) Protection of crops from Diseases and Pests
Last Answer : c) Principles and practice of crop production
Description : Excess of N in citrus plant may cause a. Leaf drop b. Lodging c. Flower drop d. Fruit drop
Last Answer : Flower drop
Description : Which of the following can be purified by the electrolytic method? (a) Sodium (Na) (b) Copper (Cu) (c) Boron (B) (d) Chlorine (C12)
Last Answer : Ans:129
Description : Which among the following elements increases the absorption of water and calcium in plants? (1) Manganese (2) Boron (3) Copper (4) Molybdenum
Last Answer : (2) Boron Explanation: Boron increases the absorption of water and calcium in the plants. It helps in the metabolic activities in plants. Boron is necessary in order for sugar to move through protoplasmic membranes.
Description : Which one of the following is essential for photolysis of water? (a) Manganese (b) Zinc (c) Copper (d) Boron
Last Answer : (a) Manganese