Lahore Board 9th Class (Biology) Subjective 2016 Past Paper English Medium [Group 1st]
2. Write short answers to any FIVE (5) questions. (10)
(i) Differentiate between function of mitochondria and ribosomes.
(ii) Write down names of bio-molecules groups.
(iii) Write two characteristics of good hypothesis.
(iv) Write definition of bio-informatics.
(v) Write down two benefits of bio-diversity.
(vi) Write two effects of deforestation.
(vii) Define blebs. What is another name of these?
(viii) Differentiate between chromatin and chromosomes.
3. Write short answers to any FIVE (5) questions. (10)
(i) State the cell theory.
(ii) What is meant by hypertonic and hypotonic solutions?
(iii) Define diffusion.
(iv) Write down the two characteristics of enzymes.
(v) Differentiate between anabolism and catabolism.
(vi) What is meant by optimum temperature?
(vii) Define cellular respiration.
(viii) Differentiate between aerobic and anaerobic respiration.
4. Write short answers to any FIVE (5) questions. (10)
(i) Differentiate between nutrient and nutrition.
(ii) What are vitamins? Which are the two main groups of vitamins?
(iii) Define balanced diet.
(iv) What are the food sources of proteins?
(v) Describe the preventive measures about dengue fever.
(vi) What is systemic circulation?
(vii) How the sound of lubb dubb is produced during heart beat?
(viii) Write any two differences between arteries and veins.
Note: Attempt any TWO questions.
5. (a) Describe role of Muslim Scientists.
(b) Differentiate between prokaryotes and eukaryotes.
6. (a) Write a detailed note on apoptosis.
(b) Describe the summary of the events of light reaction.
7. (a) What is the role of calcium and iron in human growth?
(b) Write a detailed note on structure and function of human heart.