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How many ATP molecules are generated when one molecule of reduced coenzyme NADH2 is re-oxidized during the respiratory chain?
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During glycolysis of one molecule of glucose, how many ADP molecules are phosphorylated?
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Select the correct pair of peptide hormones secreted by the alimentary canal.
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Which of the following acids play an important role in pedogenesis?
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The endocrine nature of the kidney is indicated by the secretion of ______
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Select the INCORRECT match.
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Match the parts of the nephron in column I with their function in column II.
| Column I | Column II | ||
| (a) | Loop of Henle | (i) | Ultrafiltration |
| (b) | Proximal convoluted tubule | (ii) | Secretion of hydrogen ions |
| (c) | Distal convoluted tubule | (iii) | Reabsorption of glucose |
| (d) | Bowman's capsule | (iv) | Concentration of urine |
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Column - I contains names of host plant while Column - II contains names of viral dieases. Find the correct option.
| Column-I | Column-II | ||
| (I) | Banana | (p) | little leaf |
| (II) | Sugarcane | (q) | bunchy top |
| (III) | Papaya | (r) | leaf roll |
| (IV) | Brinjal | (s) | grassy shoot |
| (t) | leaf curl |
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Smooth leaved and necterless cotton varieties are NOT affected by ____________.
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In hybridization experiments 'true breeding' means off-springs show ____________.
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Telomere has a unique property of __________.
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The length of DNA segment having 44 base pairs is ______
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Water which is held very tightly around soil particles by adhesive forces is called ____________water.
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Which one of the following sugar does NOT have same empirical fonnula as that of carbohydrate?
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During glycolysis of aerobic respiration, how many times oxidation of substrate occurs?
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Identify the correct match of type of water given in Column-I and its character in column-II and select the correct option.
| Column-I | Column· II | ||
| (i) | Capillary water | (a) | Present in the form of hydrated oxides of Silicon and Aluminium |
| (ii) | Hygroscopic water | (b) | Goes down through large pores between soil particles and reach water table |
| (iii) | Combined water | (c) | Held in between small non-colloidal soil particles |
| (iv) | Gravitational water | (d) | Held tightly around soil particles by adhesive forces |
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During glycolysis, the first molecule to be dehydrogenated is ______.
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The primitive reducing atmosphere of the earth was slowly converted to the oxidizing atmosphere due to the development of ______
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Methane, ammonia, and hydrogen were respectively mixed in the ratio of ______ in Urey and Miller's experiment.
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Which one of the following is wrongly matched?
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