Ques 1.

State one important function of each of the following:
i) F1 particles
ii) cytochrome b
iii) Plasmodesmata
iv) Myelin sheath
v) Thrombocytes

Ques 2.

Ion exchange and Affinity chromatography

Ques 3.

m-RNA and t-RNA

Ques 4.

Microtubules and Microfilaments

Ques 5.

Phagocytosis and Pinocytosis

Ques 6.

Autoradiography

Ques 7.

Structure of plasma membrane

Ques 8.

Meiosis I

Ques 9.

cAMP as second messenger in cell

Ques 10.

Draw neat and well labelled diagrams of the following:
i) A motor neuron
ii) Watson and Crick model of DNA 

Ques 11.

Name the major macromolecules present in the cell. Describe any two methods of separating macromolecules on the basis of differences in their molecular weight.

Ques 12.

Describe the components of fluid connective tissue in animals.

Ques 13.

What is meristem? Discuss its role in plants

Ques 14.

Explain enzyme kinetics

Ques 15.

Discuss the genetic control of enzyme activity with the help of operon mode

Ques 16.

Describe the structure and function of nuclear envelope

Ques 17.

How is polypeptide chain synthesis initiated in prokaryotes?

Ques 18.

Describe the formation of proton gradient caused by electron transfer in mitochondira, chloroplasts and bacteria.

Ques 19.

Describe how glycolysis and TCA cycle are linked to each other.