PSEB TERM 2 MODEL TEST PAPER BIOLOGY CLASS 10+2 (2)
CLASS-XII SUBJECT-BIOLOGY (Theory) TERM 2
Time : 2 Hours Max, Marks : 35
SECTION-A
Each question carries 1 mark :
Q1. Write full form of MOET, SCP .
Q2. Expand PCR and write its one application.
Q3. State role of VNTR in DNA fingerprinting.
Q4. what is endoparasitism? give one example.
Q5. What is deforestation.
SECTION B
Each question carries 2 mark :
Q6. What is bio fortification?
Q7. Write a note on symbiotic N₂ fixation.
Q8. What are molecular scissors? give one example.
Q9.Write a short note on Eutrification.
Q10. What are omnivores, give example.
Q11. Name the three important component of Biodiversity.
Q12. How artificial insulin is produced?
Q13. What is Ori
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SECTION C
Each question carries 3 mark :
Q14, List four antibiotics and give their sources.
Q15. Write note on HGP.
Q16. List a few desert adaptations in animals.
SECTION D
Each question carries 5 mark :
Q17. a) How does the dead organic matter get decomposed in nature? Explain.
b) Discuss the relationship between detritus food chain and grazing food chain in a terrestrial ecosystem.
OR
What is Biodiversity? What steps should be taken to consume biodiversity.
