Janardan Rai Nagar Rajasthan Vidyapeeth 2006 B.Tech Biotechnology BIO-ENERGETICS AND METABOLISM - Question Paper

Model Question Papers

BSBT 5 BIO-ENERGETICS AND METABOLISM

Duration : 3 Hrs. Maximum Marks : 75

 

Instruction:

1. Question paper is divided into Group A, Group B and Group C

2. Each Group is of 25 Marks

3. Figure to the right in bracket indicate marks.

4. Good Handwriting is expected

 

Group A (25 Marks)

 

Answer any three questions (Question 1 is compulsory)

	(5)

 

Q.1: Define bio-energetic and explain coupling.

(10)

Q.2: What is structural feature common to ATP, FAD⁺, NAD and CoA ?

(10)

Q.3: Write about Enzymes involved in process of glycolysis.

(10)

Q.4: What is krebs Cycle. Write down reaction steps of KREBS cycle.

(10)

Q.5: Write down mechanism of oxidative phosphorylation.

 

 

Group B (25 Marks)

 

(5)

Answer any three questions (Questions 6 is compulsory)

Q.6: Define Metabolism and write about functions of metabolism.

(10)

Q.7: What is oxidation of unsaturated Fatty acids.

(10)

Q.8: Explain how Mevalonate is formed by acetyl-CoA in biosynthesis of cholesteual.

(10)

Q.9: Write about signal Hypothesis ?

(10)

Q.10: Biosynthesis of Bile pigments

 

 

Group C (25 Marks)

 

All Questions are Compulsory.

 

Q.11. Fill in the blanks (Each question carries 2 Marks, Total = 10 Marks)

 

(i) ________ is the process in which parts of coded genetic message in DNA are copied in form of RNA.

(ii) In protein synthesis, activation of amino acid takes place in _________.

(iii) The 2 key components of protein synthesis are ribosomes and _________.

(iv) ________ are substance produced by bacteria that inhibit the growth of micro organism.

(v) _________ inhibits peptidyl transferase on large sub-unit of prokaryotic ribosomes.

 

Q.12. Multiple choice questions (Each question carries 2 marks, Total = 10 marks)

 

(i) The region of Endoplasmic Reticulum that binds ribosomes is called as _________.

(a) rough ER (c) Cytosolic memberance

(b) smooth ER (d) membrance bound ribosomes

 

 

 

(ii) Signal peptide and ribosome itself are rapidly bound by a large rod-shaped complex called ___________

(a) Peptide translocation complex (c) Signal Recognition particle

(b) Signal sequence (d) Signal peptidase

 

(iii) Glycosylation is the addition of ____________.

(a) Proteins (b) Lipids.

(c) Enzyme (d) Carbohydrates

 

(iv) Amino acid + _____________ + ATP Aminoacyl t RNA + AMP + PPi

(a) t - RNA (b) DNA

(c) m-RNA (d) SRP

 

(v) Perioxisomes and glyoxysomes are together known as __________

(a) golgi bodies (c) macro bodies

(b) micro bodies (d) microphage.

 

Q.13. Indicate whether following statements are True or False (Each question carries 1 marks, Total = 5 Marks)

 

(i) The cell surface receptors, which mediates endocytosis, are transmembrance glycoprotein.

(ii) On catabolism of Carbohydrates and facts there is formation of CO₂, H₂O and energy.

(iii) Citric Acid Cycle converts 2 C acetate into hydrogen peroxide.

(iv) Glycolytic path way supplies the cell with AMP.

(v)      Catabolic pathway means Degradative pathway.

 

 

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