CSIR JRF/NET Life Sciences Paper II Questions - 5
1 a. What is limit resolution of Light Microscope and Electron Microscope? How do you calculate.
b. What is cryo-SEM?
2. Succulents, during day time they have closed stomata. How do they meet their daily photosynthetic CO2 requirements?
3. Distinguish between three DNA molecules of same length having 50%, 30% and 10% GC content using spectroscopy? Explain why a single stranded DNA has higher adsorption in UV region compared to double stranded DNA of same composition.
4. What happens at the synapse between two neurons?
5. Why is vegetative propagation practiced for growing some types of plants?
6. What is hind brain? Write all the major parts of the hind brain with their vital functions.
7.
(a) What is the role of the acid in our stomach?
(b) What is the function of digestive enzymes?
(c) How is the small intestine designed to absorb digested food?
8. What is a melting curve and a CoT curve in relation to genetics?
9. What does each of the following acronyms stand for? Also, how is each of them used in genetic analysis or the study of genetics?
a. VNTR
b. RFLP
c. RAPD
d. STRP
e. PCR
10. What are biodegradable plastic? What strategies used to engineer plants to produce biodegradable plastics?
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