Duration: 1 hour
Section A: Each Question Carries 1 Mark
Question 1: Why mitochondrion is called power houses of the cell?
Question 2: What is greenhouse effect?
Question 3: Define genetic manipulation?
Section B: Each Question Carries 2 Mark
Question 1: Why solid ice does changes its state when it is kept at room temperature and also explain when does it get evaporated?
Question 2: Write the difference between mixture and a compound?
Question 3: Give any four distinguish characters of parenchyma and collenchyma?
Section C: Each Question Carries 3 Mark
Question 1: Describe any three functions of endoplasmic reticulum?
Question 2: Explain why crop production is important for improving high yield?
Section D: Each Question Carries 5 Mark
Question 1: Answer the following:
a. Draw a neat labeled diagram of plant cell?
b. Why bacteria are considered as a prokaryote?
Question 2: Answer the following:
a. How immiscible liquids are separated?
b.Write the difference between crystallization and evaporation?