1 __ is the first metabolic product of protein? |
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2 Annelids exhibit __ pattern of excretion? |
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3 Which of the following are pattern of excretion in animals? I. ammonotelism, II. uricotelism, II. ureotelism, IV. guanotelism |
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4 Marine teleost fishes excrete a large proportion of their nitrogen as __. |
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5 Whixh of the following nitrogenous constituents are regarded as excretory product which is very important in insects? |
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6 The following are the end products of protein metabolism except: |
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7 Which of the following waste products of plnts in excess is given off to the atmosphere? |
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8 Which of the following important waste products of plants is a new material for other reactions in plants? |
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9 Which of the following are terrestial vertebrates? I. reptiles, II. birds, III. mammals. |
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10 Which of the following is not an avenue for water loss in insects? |
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11 What is the cause of the greatest amount of water loss to terrestial animals ? |
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12 Which of the following is/are the earliest group of animals that colonized the terrestial environment? I. colentrates, II. arthropods, III. vertebrates. |
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13 The marine environment is rich in all of the following except: |
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14 Which of the following special cells are responsible for active support of NaCl in marine teleosts? |
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15 The following are the problems facing the Elasmobranch except: |
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16 The most primitive invertegrates are __. |
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17 Animals that maintain their body fluid concentration different from that of their environment are referred to as __. |
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18 Which of the following is not true of freshwater animals? |
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19 Animals whose body fluid concentration is exactly the same as that of their immediate environment are referred to as __. |
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20 Osmosis involves the movement of water across a __ membrane. |
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