| 1 Animals whose body fluid concentration is exactly the same as that of their immediate environment are referred to as __. |
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| 2 Osmosis involves the movement of water across a __ membrane. |
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| 3 Which of the following is not true of polyploids? |
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| 4 Chromosal changes that affects the whole set of chromosomes is referd to as ? |
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| 5 The excretory organs of the annelids is known as __. |
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| 6 Which of the following is/are the function(s) of the excretory organs? I. removal of waste products of metabolism, II. breakdown of ingested products in an organism, III. participate in osmoregulation. |
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| 7 Marine teleost fishes excrete a large proportion of their nitrogen as __. |
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| 8 Whixh of the following nitrogenous constituents are regarded as excretory product which is very important in insects? |
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| 9 The vertebrates kidney is made of repeating units of called __. |
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| 10 __ made up the excertory system of earthworms. |
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| 11 The excretory system in flatworms comprises __. |
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| 12 Which of the following can convert glucose to polysaccharide glycogen? I. Muscle, II. liver, III. ddipose cells |
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| 13 Where does the process of urea synthesis occur? |
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| 14 The following are functions of the kidney except: |
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| 15 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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| 16 The marine environment is rich in all of the following except: |
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| 17 __ can convert glucose to fat. |
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| 18 The ability to maintain a relatinely constant body temperature independent of the environmental temperature is termed __. |
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| 19 Open circulatory system is found in the following groups of organisms except: |
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| 20 The following are extracellular fluids except? |
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