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Model Paper 4 BIOLOGY - Model Paper 4

Rajasthan Board (RBSE) - STD 12 Science - BIOLOGY (Rajasthan - English Medium). 58 questions in this chapter.

Question types

Model Paper 4 question types

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

58
Questions
6
Question groups
5
Question types
Sample Questions

Model Paper 4 questions

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

Q 1M.C.Q (0.5 Marks)1 Mark
Humans are the most important factor in extinction of wildlife is_________
  • A
    Destruction of natural habitat
  • B
    Hunting of wild animal
  • C
    Pollution
  • D
    Invasion of foreign species
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Q 4M.C.Q (0.5 Marks)1 Mark
The main direction in which biotechnology is working in the agriculture sector is -
  • A
    Breeding insect resistant varieties
  • B
    Increasing the amount of nitrogen
  • C
    Decreasing the number of seeds
  • D
    Increasing the weight of plants.
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Q 5M.C.Q (0.5 Marks)1 Mark
Two Important bacteria used in genetic engineering are-
  • A
    Nitrosomonas and callicilla
  • B
    Eschericia and Agrobacteria
  • C
    Nitrobacter and Azotobacter
  • D
    Rhizobium and Diplococcus
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Q 264 Marks Questions4 Marks
(a) What is vaccination. How many types of vaccins are there.
(b) What is allergy. Explain any one allergy based on its causes, symptoms, and treatments.
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