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With reference to lichens, consider the following statements: 1. Lichens are symbiotic associations between algae and bacteria. 2. Algal component is known as mycobiont. 3. Lichens are very good pollution indicators - they do not grow in polluted areas. Which of the statements given above is/are correct?
With reference to lichens, consider the following statements: 1. Lichens are symbiotic associations between algae and bacteria. 2. Algal component is known as mycobiont. 3. Lichens are very good pollution indicators – they do not grow in polluted areas. Which of the statements given above is/are correct?
Find out which part has an error and mark it as your answer. If there is no error, mark ‘No error’ as your answer. The main sources of bio-fertilisers is microorganisms such nitrogen-fixing A)/ azotobacter, phosphate-solubilising bacteria B)/ and mycorrhizae fungi that promote uptake of nutrients by plants. C)/ No error D)
Consider the following statements regarding the nitrogen cycle: 1. Nitrogen in gaseous form can be used by all living organisms. 2. Nitrogen can be fixed in the atmosphere by lightning and cosmic radiation. 3. Bacteria can convert nitrates into free nitrogen. Which of the statements given above is/are correct?
Which of the following is correct with regarding the formation of Nitrogen? I. Nitrogen is obtained by liquefaction and fractional distillation of air. II. Nitrogen is obtained by reacting an aqueous solution of Ammonium chloride with Sodium Nitrite. III. Decomposition of Sodium or Barium Azide at high-temperature results in the formation of pure Nitrogen. IV Nitrogen is not soluble in water.
Solution of nitrogen in liquid iron may be assumed to follow Sievert's law. Nitrogen content of liquid iron. at 1873K in equilibrium with 1 atm pressure of nitrogen is measured as 0.044 (mass %). What will be the equilibrium nitrogen content in liquid iron (mass%), if nitrogen pressure is reduced to 0.25 atm?
Below are given some organisms: (A) Yeasts (B) Bedbugs (C) Leeches (D) Cuscuta (E) Algae (F) Lice (G) Mushroom (H) Lichens The organisms which may be classified in the group of parasites are
Read the following passage carefully and choose the most appropriate answer to the question out of the four alternatives.
Most economists in the United States seem captivated by the spell of the free market. Consequently, nothing seems good or normal that does notaccord with the requirements of the free market. A price that is determined by the seller or, for that matter (for that matter: so far as that isconcerned), established by anyone other than the aggregate of consumers seems pernicious. Accordingly, it requires a major act of will to thinkof price-fixing (the determination of prices by the seller) as both "normal" and having a valuable economic function. In fact, price-fixing is normalin all industrialized societies because the industrial system itself provides, as an effortless consequence of its own development, the price-fixingthat it requires. Modern industrial planning requires and rewards great size. Hence, a comparatively small number of large firms will be competingfor the same group of consumers. That each large firm will act with consideration of its own needs and thus avoid selling its products for morethan its competitors charge is commonly recognized by advocates of free-market economic theories. But each large firm will also act with fullconsideration of the needs that it has in common with the other large firms competing for the same customers. Price-fixing is a phenomenon that is normal in -
Read the following passage carefully and choose the most appropriate answer to the question out of the four alternatives.
Most economists in the United States seem captivated by the spell of the free market. Consequently, nothing seems good or normal that does notaccord with the requirements of the free market. A price that is determined by the seller or, for that matter (for that matter: so far as that isconcerned), established by anyone other than the aggregate of consumers seems pernicious. Accordingly, it requires a major act of will to thinkof price-fixing (the determination of prices by the seller) as both "normal" and having a valuable economic function. In fact, price-fixing is normalin all industrialized societies because the industrial system itself provides, as an effortless consequence of its own development, the price-fixingthat it requires. Modern industrial planning requires and rewards great size. Hence, a comparatively small number of large firms will be competingfor the same group of consumers. That each large firm will act with consideration of its own needs and thus avoid selling its products for morethan its competitors charge is commonly recognized by advocates of free-market economic theories. But each large firm will also act with fullconsideration of the needs that it has in common with the other large firms competing for the same customers. A major act of will will bring about price-fixing that will be seen as -
Archea and nitrogen-fixing organisms are classified into which of the following kingdoms?