BSc Sem IV 2022 2023 Mar 2023 BIOCHEMISTRY II Question Paper - Mumbai University | munotes

Questions asked in this paper

• 2. Figures to the right indicate full marks

1. Q3 All questions carry equal marks
2. Q1 A) State True or false: 4 marks
   • (i) Histamine protein is a constituent of the nucleosome
   • (ii) RNA is a genetic material of prokaryotic organisms
   • (iii) In eukaryotic cells, DNA is found in linear form
3. Q1 B) Write short notes on: (Any three) 9 marks
   • (1) Histone protein
   • (v) Kinetochore
4. Q1 C) Answer of the following: (Any two) 12 marks
   • (i) Explain in detail DNA supercoiling
   • (ii) Draw a heat and labelled diagram of centromere and explain about it Explain in detail transformation in S. pneumoniae
   • (iv) Discuss in detail on chromosomal comparison of eukaryotic and prokaryotic
5. Q2 A) State True or False: 4 marks
   • (i) Movement of plants near sunlight is called hydrotropism
   • (ii) Chloroplast plays a major role in muscle contraction
   • (iii) Isotonic and isotactic are types of muscle contractions
   • (iv) Movement of locomotion is where plants show slight bending and have
6. Q2 B) Answer the following: (Any three) 9 marks
   • (i) What is nutational movement?
   • (ii) What is seismonastic movement? Explain with the help of an example
   • (iii) Which movement is shown by the dancing plant and why?
   • (iv) What is the clinostat model? Explain with the help of a
   • (v) What is the movement of muscles important?
   • (vi) What is tetanus?
7. Q2 C) Answer the following: (Any two) 12 marks
   • (1) Explain geotropic movement in detail
   • (11) Write a detailed note on types of muscle contractions
   • (iii)With the help of a diagram explain sliding movement of muscles and explain phototropism VCD BSc Sem IV Biochemistry II Marks 100
8. Q3 A) State True or False: 4 marks
   • (1) PNS consist of the brain and spinal cord
   • (ii) In action potential, polarization occurs through Na ion movement
   • (iii) The maximum potential difference in action potential is +30mv
   • (iv) Glutamate is an inhibitory neurotransmitter
9. Q3 B) Write short notes on: (Any three) 9 marks
   • (iii) CNS
   • (v) Repolarizing Phase
10. Q3 C) Answer the following: (Any two) 12 marks
    • (1) Explain in detail resting membrane potential
    • (ii) What is neuroglia? Explain its types (111) What is aneuron? Explain its classifications
    • (iv) Explain in detail inactivation of neurotransmitters
11. Q4 A) Define and explain: (Any five) 10 marks
    • (i) Z-line
    • (ii) Nucleoid
    • (iv) Impulse
    • (v) lon channel
12. Q4 B) Write Short notes on: (Any three) 15 marks
    • (ii) Centromere
    • (iii) With the help of diagrams explain the structure of muscle
    • (iv) Distinguish between movement of locomotion and movement of curvature

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