Question types

STD 12 - 13. biodiversity and conservation question types

239 questions across 1 question group — pick any mix to generate a Biology paper with step-by-step answer keys.

239
Questions
1
Question groups
5
Question types
Sample Questions

STD 12 - 13. biodiversity and conservation questions

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

Tropical regions show greatest level of species richness because

$A$. Tropical latitudes have remained relatively undisturbed for millions of years, hence more time was available for species diversification.

$B$. Tropical environments are more seasonal.

$C$. More solar energy is available in tropics.

$D$. Constant environments promote niche specialization.

$E$. Tropical environments are constant and predictable.

Choose the correct answer from the options given below.

  • A
    $A$ and $B$ only
  • B
    $A, B$ and $E$ only
  • C
    $A, B$ and $D$ only
  • $A, C, D$ and $E$ only

Answer: D.

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These are regarded as major causes of biodiversity loss:

$A$. Over exploitation  $B$. Co-extinction  $C$. Mutation  $D$. Habitat loss and fragmentation  $E$. Migration

Choose the correct option:

  • A
    $A, B, C$ and $D$ only
  • B
    $A, B$ and $E$ only
  • $A, B$ and $D$ only
  • D
    $A, C$ and $D$ only

Answer: C.

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The type of conservation in which the threatened species are taken out from their natural habitat and placed in special setting where they can be protected and given special care is called
  • Biodiversity conservation
  • B
    Semi-conservative method
  • C
    Sustainable development
  • D
    in-situ conservation

Answer: A.

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Match List $I$ with List $II$

List $I$ List $II$
$A$. Robert May $1$. Species-Area relationship
$B$. Alexander von Humboldt $II$. Long term ecosystem experiment using out door plots
$C$. Paul Ehrlich $III$. Global species diversity at about $7$ million
$D$. David Tilman $IV$. Rivet popper hypothesis

Choose the correct answer from the options given below:

  • $A-III, B-I, C-IV, D-II$
  • B
    $A-I, B-III, C-II, D-IV$
  • C
    $A-III, B-IV, C-II, D-I$
  • D
    $A-II, B-III, C-I, D-IV$

Answer: A.

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