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Biology Past Questions and Answers

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Biology Questions

Question 4326:

Which organisms are NOT autotrophic?

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A Algae
B Ferns
C Fungi
D Grasses
E Mosses

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Question 4327:

Which of the following statements is NOT true according to the first and second laws of thermodynamics ?

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A In all energy conversions a certain amount is always lost as heat
B In any given ecosystem the energy transformations can be classified into catabolic and anabolic processes
C The energy at one trophic level is the same as the next higher or the one below it
D The sun is the ultimate source of energy in the universe
E The total energy in an ecosystem retains constant

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Question 4328:

Which of these allelic pairs represent homozygous dominant trait?

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A TT
B Tt
C Tt
D Bb
E Bb

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Question 4329:

The streaming movement of cytoplasm observed in a freshly cut leaf of a water plant is termed ____________

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A Amoeboids
B Centrifugal motion
C Ciliary motion
D Cyclosis
E Osmosis

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Question 4330:

Which of the following sequences best illustrates a food chain in an aquatic habitat ?

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A Algae &arr; fungi &arr;toad &arr;snake
B Diatoms &arr;tadpole &arr;fish &arr;kingfisher
C Grass &arr;grasshopper &arr;toad &arr;whale
D Phytoplankton &arr;fish &arr;snake &arr;kingfisher
E Zooplankton &arr;tadpoles &arr;fish &arr;kingfisher

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