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Ecosystem BIOLOGY - Ecosystem

Gujarat Board (GSEB) - STD 12 Science - BIOLOGY (GSEB - English Medium). 59 questions in this chapter.

Question types

Ecosystem question types

59 questions across 6 question groups — pick any mix to generate a BIOLOGY paper with step-by-step answer keys.

59
Questions
6
Question groups
5
Question types
Sample Questions

Ecosystem questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 20M.C.Q (1 Marks)1 Mark
Primary productivity in an ecosystem is expressed as:
  • A
    $gm ^{-2} yr ^{-1}$
  • B
    $gm ^{-2} yr$
  • ✓
    $K cal m ^{-2} yr ^{-1}$
  • D
    $K cal m ^{-2}$

Answer: C.

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Q 21M.C.Q (1 Marks)1 Mark
The mutualistic relationship between the stinging tentacles of a sea anemone and the clown fishe is
  • A
    Interspecific parasitism
  • B
    Parasitism
  • C
    Mutualism
  • ✓
    Commensalism

Answer: D.

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Q 255 Marks Questions5 Marks
What do you understand by energy flow in an ecosystem? Explain the flow of energy through different trophic levels. Draw a diagram of a food chain.
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