1st Year Biology Past Papers Bise Gujranwala Board

BISE Gujranwala 11th Class Biology Past Papers

Past papers 2021 11th class biology subjective short and long questions group-1. Students can easily access all past papers of pervious years. you can also view the biology group-ll 2021 past paper.

 Section-l

1. Define a peptide bond and how it is formed?
2. Differentiate between apoenzyme and holoenzyme.
3. What is a co-factor? Give its significance.
4. Give four characteristics of enzymes.
5. How fungi differ from animals?
6. Write down a short note on omnivorous fungi?
7. Write down to differences between protostomes and deuterostomes along with examples.
8. Give asexual reproduction in sponges.
9. What are polyps and medusae?
10. Give four characteristics of bony fishes?
11. How dark reaction can be summarized in an equation?
12. Differentiate between chlorophyll-a and chlorophyll-b.
13. Differentiate between fresh water and marine water biology.
14. What is theory? Write down properties of good theory.
15. What in primary wall? Give its chemical composition.
16. Differentiate between chromoplast and leucoplast.
17. Define thallus.
18. Give two characteristics of Euglenoids.
19. Mention structural features of red algae.
20. Name flotal leaves of flower along with their functions.
21. What is double fertilization?
22. Define hypertension and its cause?
23. Write down two functions of lymphatic system.
24. Write down any four characteristics features of viruses?
25. Write down about spiral shaped bacterial? Give all its three forms.
26. How trapping and digestion of insects occur in sundew?
27. What is dyspepsia?
28. Define saprophytic nutrition.
29. How expiration occurs in human?
30. What is lung cancer?
31. How pH affects the capacity of haemoglobin to combine with oxygen?
32. Give composition of breathed air in man.

Section-ll

1. Write down a note on ''protection and conservation of environment.''
2. Enlist different functions that blood performs in human body.
3. Write down a note on nucleic acids.
4. Describe in detail basidiomycota.
5. Discuss control of bacteria by physical and chemicals methods.
6. Write down a note on evolution of leaf.
7. Describe life cycle of bacteriophage.
8. Write down a note on photosystems.
9. Describe the structure and function of mitochondria.
10. Write down food absorption in small inestine of man.