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Model Paper 2 BIOLOGY - Model Paper 2

Gujarat Board (GSEB) - STD 12 Science - BIOLOGY (GSEB - English Medium). 77 questions in this chapter.

Question types

Model Paper 2 question types

77 questions across 4 question groups — pick any mix to generate a BIOLOGY paper with step-by-step answer keys.

77
Questions
4
Question groups
5
Question types
Sample Questions

Model Paper 2 questions

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

Q 42 Marks Questions2 Marks
Apart from plants and animals, microbes form a permanent biotic component in an ecosystem. While plants have been referred to as autotrophs and animals heterotrophs, what are microbes referred to as? How do the microbe fulfill there energy requirements ?
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Q 73 Marks Question3 Marks
Poaching of Tiger is burning issue in today's world. What implication would this activity have on the functioning of the ecosystem of which the tigers are an integral port ?
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Q 11M.C.Q (1 Marks)1 Mark
Which is necessary for the complete governing programmes of reproductive health from follows ?
  • A
    strong internal facilities
  • B
    commercial experts
  • C
    instruments
  • ✓
    All of the above

Answer: D.

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Q 12M.C.Q (1 Marks)1 Mark
Which issues are produced due to reason of uncontrolled population growth?
  • A
    poverty and malnutrition
  • B
    sexual exploitation
  • C
    sex related crimes
  • ✓
    All of the above

Answer: D.

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Q 13M.C.Q (1 Marks)1 Mark
Iron the following which one is contribute for producing awareness for reproductive health in individuals ?
  • A
    Mother-father
  • B
    nearer relatives
  • C
    teachers and friends
  • ✓
    All of the above

Answer: D.

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Q 15M.C.Q (1 Marks)1 Mark
In which from express comperatively productivity of various ecosystems?
  • A
    $gm ^{-2} yr ^{-1}$
  • B
    $( KCal ) yr ^{-1}$
  • ✓
    (A) and (B)
  • D
    None of them

Answer: C.

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Q 184 Marks Question4 Marks
(A) How does one visualise DNA on an agarose gel ?
(B) A plasmid without a selectable marker was chosen as vector for cloning a gene. How does this affect the experiment ?
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