Description : Best defined function of manganese in green plants is (a) photolysis of water (b) Calvin cycle (c) nitrogen fixation (d) water absorption.
Last Answer : (a) photolysis of water
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 of the following elements plays an important role in biological nitrogen fixation? (a) Copper (b) Molybdenum (c) Zinc (d) Manganese
Last Answer : b) Molybdenum
Description : An element playing important role in nitrogen fixation is (a) molybdenum (b) copper (c) manganese (d) zinc
Last Answer : (a) Molybdenum
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 : Manganese is required in (a) plant cell wall formation (b) photolysis of water during photosynthesis (c) chlorophyll synthesis (d) nucleic acid synthesis.
Last Answer : d) nucleic acid synthesis.
Description : Voralloid root' of Gyms helps in (1) Absorption of water (2) Absorption of water and fixation of Nitrogen (3) Anchorage (4) Transport of food
Last Answer : (2) Absorption of water and fixation of Nitrogen Explanation: Branch roots are of two kinds: long-branching geotropic roots and shortbranching apogeotropic roots, which are referred to as coralloid ... algae), which fix nitrogen. It also collects water and soil nutrients and store carbohydrates.
Description : ‘Coralloid root’ of Cycas helps in (1) Absorption of water (2) Absorption of water and fixation of Nitrogen (3) Anchorage (4) Transport of food
Last Answer : Absorption of water and fixation of Nitrogen
Description : The first step for initiation of photosynthesis will be (a) photolysis of water (b) excitement of chlorophyll molecules due to absorption of light (c) ATP formation (d) glucose formation.
Last Answer : (b) excitement of chlorophyll molecules due to absorption of light
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 among the following elements increases the absorption of water and calcium in plants ? (1) Manganese (2) Boron (3) Copper (4) Molybdenum
Last Answer : Boron
Description : How Nitrogen fixation for plants occurs in what organism?
Last Answer : Nitrogen fixation is carried out by nitrogen fixing bacteria in the nodules of the roots of legumes, and in the soil.
Description : "Mulching" is the term used for the process of (a) Covering the roots of plants with loose material, dung, etc. in order to protect them from soil erosion etc. (b) Breaking down big pieces ... into small ones (c) Transplanting of paddy seedlings (d) Nitrogen fixation of soil by use of fertilizers
Last Answer : Ans: (a)
Description : The bacteria responsible for ‘nitrogen fixation’ is found in the roots of (a) grass (b) citrus plants (c) leguminous plants (d) neem tree
Last Answer : Ans:(c)
Description : Leguminous plants are able to fix atmospheric nitrogen through the process of symbiotic nitrogen fixation. Which one of the following statements is not correct during this process of nitrogen fixation ... the conversion of atmospheric N2 to NH3. (d) Nitrogenase is insensitive to oxygen.
Last Answer : (d) Nitrogenase is insensitive to oxygen.
Description : The first stable product of fixation of atmospheric nitrogen in leguminous plants is (a) NO3 − (b) glutamate (c) NO2 − (d) ammonia
Last Answer : (c) NO2
Description : Nitrogen fixation is accomplished by: a) plants b) bacteria c) animals d) viruses
Last Answer : ANSWER: B -- bacteria
Description : What is the function of Leghaemoglobin in nitrogen fixation? -Do You Know?
Last Answer : answer:
Description : difference between bacterial cell from function and nitrogen fixation
Last Answer : difference between bacterial cell from plant cell on nitrogen fixation
Description : What is the function of Leghaemoglobin in nitrogen fixation?
Last Answer : Absorption of oxygen
Description : Act of parturition in cattle is called as — a. Kidding b. Hatching c. Furrowing d. Calving
Last Answer : d. Calving
Description : _______ is an illness which occurs in dairy animals particularly cow and buffalo due to faulty feeding practices during the pregnancy period and immediately after calving. a. Post Pregnancy fever b. Milch Fever c. Cattle fever d. Milk Fever
Last Answer : d. Milk Fever
Description : Has there been a steady decrease in the height of Greenland in the 20th Century? (a) Yes. (b) No. (c) The height has increased and decreased due to changing wind patterns. (d) Yes, because of dramatic increases in the calving rate of glacial ice into the surrounding ocean.
Last Answer : (b) No
Description : The maximum fixation of solar energy is done by – (1) Bacteria (2) Protozoa (3) Fungi (4) Green plants
Last Answer : (4) Green plants Explanation: The photosynthetic efficiency is the fraction of light energy converted into chemical energy during photosynthesis in plants and algae. Approximately two thirds of the net ... free energy are stored in plant biomass for every mole of CO2 fixed during photosynthesis.
Description : The maximum fixation of solar energy is done by - (1) Protozoa (2) Bacteria (3) Fungi (4) Green plants
Last Answer : (4) Green plants Explanation: The maximum 20% of the input of solar energy falling on leaves is converted into chemical energy by green plants. Green plants utilize solar energy and synthesize sugar from ... 3% of the light energy that strikes on their green parts; the rest is dissipated as heat.
Description : The maximum fixation of solar energy is done by (1) Protozoa (2) Bacteria (3) Fungi (4) Green plants
Last Answer : Green plants
Description : Acrodermatitis enteropathica is due to defective absorption of (A) Manganese (B) Molybdenum (C) Iodine (D) Zinc
Last Answer : Answer : D
Description : Pick out the wrong statement. (A) Yellow phosphorous which is the most reactive allotropic form of phosphorous is transported under water (B) Apatite is the principal material present in ... fixation means the process of bringing atmospheric nitrogen into combination i.e. into nitrogen compound fo
Last Answer : (C) Urea is more hygroscopic than ammonium nitrate
Description : other than bacteria which factor leads to nitrogen fixation -General Knowledge
Last Answer : Other than bacteria, flood leads to nitrogen fixation.
Description : What is biological Nitrogen fixation? -Biology
Description : End product of biological nitrogen fixation? -Biology
Description : What is non-biological nitrogen fixation? -Biology
Description : What is symbiotic biological nitrogen fixation? -Biology
Description : Which enzyme is responsible for atmospheric nitrogen fixation? -Biology
Description : By which algae is Nitrogen fixation done? -Do You Know?
Last Answer : blue-green algae
Description : What is Nitrogen Fixation ?
Last Answer : The largest source of nitrogen is the atmosphere. 6% (volumetric) nitrogen of the atmosphere. We cannot use nitrogen directly from the atmosphere. So for convenience of use, we do not usually convert ... . There are two methods of nitrogen fixation - 1. Natural methods and II. Synthetic method.
Last Answer : Nitrogen fixation refers to the application of nitrogen from air to a special process.
Description : Major nitrogen fixation is carried out by
Last Answer : Major nitrogen fixation is carried out by A. Lightning B. Chemical industries C. symbiotic bacteria D. Leaching
Description : How may ATP are required for formation ofone `NH_(3)` in biological nitrogen fixation.
Last Answer : How may ATP are required for formation ofone `NH_(3)` in biological nitrogen fixation.
Description : Which one of the following bacteria has potential for nitrogen fixation
Last Answer : Which one of the following bacteria has potential for nitrogen fixation A. Nitrosomonas B. Nitrobacter C. Nitrosococcus D. Rhizobium
Description : What The process of nitrogen fixation involved?
Last Answer : Changing it from a gas (N2) into a compound (often with O2
Description : The enzyme involved in biological nitrogen fixation
Last Answer : Ans. Nitrogenase
Description : Which bacterium is used for nitrogen fixation in sugarcane field?
Last Answer : Ans.Acetobactor diazotrophicus
Description : The nitrogen fixation per hectare by soybean
Last Answer : Ans.40 kg
Description : Which one of the following mineral elements play an important role in biological nitrogen fixation a. Copper b. Magnesium c. Zinc d. Molybdenum
Last Answer : Ans: D
Description : Symbiotic Bacteria responsible for the fixation of atmospheric nitrogen are present in - (1) peas (2) wheat (3) corn (4) oats
Last Answer : (1) peas Explanation: Nitrogen-fixing bacteria are microorganisms capable of transforming atmospheric nitrogen into fixed. nitrogen. Rhizobium is one such bacteria that is associated with leguminous plants ... and convert free nitrogen to ammonia, which the host plant utilizes for its development.
Description : The source of oxygen in atmosphere is due to – (1) Photosynthesis (2) Excretion (3) Nitrogen fixation (4) Respiration
Last Answer : (1) Photosynthesis Explanation: The main source of atmospheric free oxygen is photosynthesis, which produces sugars and free oxygen from carbon dioxide and water. The organ-isms that carry out photosynthesis include ... well as the phytoplankton of the oceans. 6CO2 + 6H2O + energy -> C6H12O6 + 6O2
Description : Nitrogen fixation is a process of - (1) Assimilation of nitrate (2) Utilisation of nitrogen gas (3) Conversion of organic nitrogen to proteins (4) Conversion of molecular nitrogen to ammonia
Last Answer : (4) Conversion of molecular nitrogen to ammonia Explanation: Nitrogen fixation is a process by which nitrogen in the Earth's atmosphere is converted into ammonia (NH3) or other molecules available ... plants as nutrients. The conversion of organic nitrogen to proteins is achieved in Nitrogen cycle.
Description : Which is a free living bacteria that help in nitrogen fixation?
Last Answer : Azotohacter
Description : By which algae is Nitrogen fixation done?
Last Answer : Blue-green algae