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

1 Answer

Answer :

(C) Required for synthesis of Tryptophos

Related questions

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 : 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 : Which element is involved in biosynthesis of IAA ? (A) Nitrogen (B) Boron (C) Zinc (D) Copper

Last Answer : (C) Zinc

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 which of the following all three are macronutrients? (a) Molybdenum, magnesium, manganese (b) Nitrogen, nickel, phosphorus (c) Boron, zinc, manganese (d) Iron, copper, molybdenum

Last Answer : (d) Iron, copper, molybdenum

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 : Red soil is poor in which of the following nutrients ? (A) Phosphorus and Sulphur (B) Phosphorus and Nitrogen (C) Nitrogen and Zinc (D) Nitrogen and Potassium

Last Answer : (D) Nitrogen and Potassium

Description : Tarai soils are generally deficient in:? a Zinc b Nitrogen c Phosphorus d Potash

Last Answer : a Zinc

Description : The elements known as primary nutrients for plants (1) Nitrogen, Phosphorus and Potassium (2) Nitrogen, Oxygen and Silicon (3) Potassium, Boron and Nitrogen (4) Nitrogen, Phosphorus and Iron

Last Answer : (1) Nitrogen, Phosphorus and Potassium Explanation: Nitrogen (N), Phosphorus (P) and Potassium (K) are considered as the three essential or primary nutrients for plants. Together they make up ... need small quantities of iron, manganese, zinc, copper, boron and molybdenum, known as trace elements

Description : The elements known as primary nutrients for plants (1) Nitrogen, Phosphorus and Potassium (2) Nitrogen, Oxygen and Silicon (3) Potassium, Boron and Nitrogen (4) Nitrogen, Phosphorus and Iron

Last Answer : Nitrogen, Phosphorus and Potassium

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 : Sugar-beet is an indicator plant for (A) Sodium (B) Molybdenum (C) Zinc (D) Phosphorus

Last Answer : (A) Sodium

Description : Which of the following groups of elements have an OUTER ELECTRONIC configuration of S-2-P-2? w) halogens x) Nitrogen-Phosphorus Group y) Carbon-Silicon Group z) Boron-Aluminum Group

Last Answer : ANSWER: Y -- CARBON-SILICON GROUP

Description : Match the following concerning essential elements and their functions in plants. Column-I Column-II (A) Iron (i) Photolysis of water (B) Zinc (ii) Pollen germination (C) Boron (iii) Required for chlorophyll biosynthesis (D) Manganese (iv) IAA biosynthesis

Last Answer : (c) (iii) (iv) (ii) (i)

Description : Which one of the following is a micro nutrient in the soil? A. Nitrogen B. Iron C. Phosphorus D. Calcium

Last Answer : B. Iron

Description : Which of the following elements is not present in a nitrogenous base? (a) Hydrogen (b) Carbon (c) Phosphorus (d) Nitrogen

Last Answer : (c) Phosphorus

Description : Soils of Western Rajasthan have a high content of a) Aluminium b) Calcium c) Nitrogen d) Phosphorus

Last Answer : b) Calcium

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

Last Answer : b) Sodium

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 : The main component of Pyrex glass is (A) Zinc (B) Lead (C) Boron (D) Selenium

Last Answer : (B) Lead

Description : Application of Phosphorus and Sulphur increase a Better nodulation b Better growth c Better yield d All

Last Answer : d All

Description : Plants absorb phosphorus in the form of (A) H2PO4 (B) PO4 (C) SSP (D) P

Last Answer : (A) H2PO4

Description : Which of the following is an essential element used in the synthesis of proteins and other compounds? (1) Phosphorus (2) Iron (3) Magnesium (4) Nitrogen

Last Answer : (4) Nitrogen Explanation: Although all of the elements above are used by plants and taken up via the soil, nitrogen is especially essential and used specifically for the for the synthesis of proteins and other compounds.

Description : Khaira disease in rice is due to the deficiency of (A) Boron (B) Mn (C)S (D) Zn

Last Answer : (D) Zn

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 : Boron content in borax (suhaga) is (a) 11% (b) 25%(c) 19% (d) 39%

Last Answer : (a) 11%

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 : Plant micronutrient is – a) Carbon b) Boron c) Magnesium d) Sulphur

Last Answer : b) Boron

Description : What happened when an excess amount of Nitrogen Fertilizer is Introduced in to Soil Ecosystem? A. Soil Decay B. Soil Acidi_cation C. Soil Residue D. Microbial Activity

Last Answer : D. Microbial Activity

Description : Which mineral is a source of phosphorus and boron in soils?

Last Answer : Ans. Apetite

Description : Which of these is a micronutrient for plants? (1) Carbon (2) Oxygen (3) Nitrogen (4) Boron

Last Answer : Boron

Description : In plants, enzyme responsible for the synthesis of the malic acid is : (A) Rubisco (B) PEP carboxylase (C)Kinase (D) Urease

Last Answer : (A) Rubisco

Description : Main function of biofertilizer is— (A) To increase chemical process (B) To increase physiological process (C) To increase biological process (D) To increase photosynthesis process

Last Answer : (C) To increase biological process

Description : Which one of the following is essential for photolysis of water? (a) Manganese (b) Zinc (c) Copper (d) Boron

Last Answer : (a) Manganese

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 : Yellow spots on citrus leaves is due to the deficiency of: (1) Zinc (2) Magnesium (3) Boron (4) Iron

Last Answer : Magnesium

Description : The element which is required by the plant in large quantity – (1) Calcium (2) Nitrogen (3) Phosphorus (4) Sulphur

Last Answer : (2) Nitrogen Explanation: All plants need nitrogen to make amino acids, proteins and DNA, but the nitrogen in the atmosphere is not in a form that they can use. Plants use nitrogen by absorbing either nitrate or ammonium through the roots.

Description : The element which is required by the plant in large quantity : (1) Calcium (2) Nitrogen (3) Phosphorus(4) Sulphur

Last Answer : Nitrogen

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 : The deficiency of this element leads to older leaves turning purple in colour on the underside. Identify the mineral? [a] Calcium [b] Phosphorus [c] Potassium [d] Iron [e] None of the above

Last Answer : [c] Potassium

Description : Which of the following elements is essential for the storage of energy in plants? a. Nitrogen b. Oxygen c. Carbon d. Phosphorus

Last Answer : d. Phosphorus

Description : The three numbers on fertilizer represents the value of the three macro-nutrients used by plants represented as NPK for short. What are they? a. Neon, Phosphorous, Krypton b. Nitrogen, Phosphorus, Potassium c. Neon, Potassium, Krypton d. Neon, Potassium, Phosphorous

Last Answer : b. Nitrogen, Phosphorus, Potassium

Description : Which of the following elements is essential for the storage of energy in plants? a. Nitrogen b. Oxygen c. Carbon d. Phosphorus

Last Answer : d. Phosphorus

Description : The three numbers on fertilizer represents the value of the three macro-nutrients used by plants represented as NPK for short. What are they? a. Neon, Phosphorous, Krypton b. Nitrogen, Phosphorus, Potassium c. Neon, Potassium, Krypton d. Neon, Potassium, Phosphorous

Last Answer : b. Nitrogen, Phosphorus, Potassium

Description : Which of the following is not a “Macronutrient” required for Plant Nutrition? a. Nitrogen b. Magnesium c. Potassium d. Zinc

Last Answer : a. Nitrogen b. Magnesium c. Potassium d. Zinc

Description : Which micro-nutrient is most deficient in Indo-Gangatic alluvium soils? (a) Iron (b) Zinc (c) Copper (d) Manganese

Last Answer : (d) Manganese

Description : Alkali soils are treated with gypsum to correct the deficiency of- (a) Sulphur (b) Calcium (c) Magnesium (d) Zinc

Last Answer : (b) Calcium

Description : Zinc Sulphate (ZnSO 4 ) should not be mixed with— (A) D.A.P. (B) Compost fertilizer (C) Ammonium Chloride (D) Urea

Last Answer : (A) D.A.P.

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