B.Sc. (Hons.) 1st Semester Examination
Biotechnology- (Life Sciences)
Paper: BIOT-Sem-I-III-T (b)
Time: 3 Hours] [Max. Marks: 67
Note: - Attempt five questions in all, including question No. 9 (Section-C) which is compulsory and selecting at least two questions each from Section-A and Section B.
Section-A
1. Explain the phenomenon of reproduction in plants.
2. Explain the following:
(a) Nutrition in plants
(b) Response of plant growth with respect to temperature.
3. Give an account of the flow of energy through an aquatic ecosystem.
4. Explain the following:
(a) Grazing and detritus food chains
(b) Habitat and Niche
c) Food pyramids
Section-B
5. Describe the structural components of digestive system in humans.
6. Describe in detail the secretions of the pituitary gland.
7. Describe the process of muscle contraction in humans.
8. Explain the following:
(a) Structure of eye
(b) Peripheral Nervous System
Section-C
9. Explain the following:
(a) Universal model of energy flow
(b) Food web
(c) Passive transport
(d) Homeostasis
(e) Major hormones of Adrenal gland
(f) Primary and secondary succession
(g) Components of CNS
(h) What is proto-cooperation ?
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