Loyola College Physics For Biology Question Papers Download
Loyola College B.Sc. Plant Biology and Biotechnology April 2012 Physics For Biology Question Paper PDF Download
LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
B.Sc. DEGREE EXAMINATION – PLANT BIOLOGY & BIO TECH.
THIRD SEMESTER – APRIL 2012
PH 3204 – PHYSICS FOR BIOLOGY
Date : 02-05-2012 Dept. No. Max. : 100 Marks
Time : 9:00 – 12:00
PART – A
Answer ALL questions: (10×2=20)
- State the significance of Reynold’s number of a liquid.
- Define coefficient of viscosity and write its unit
- What are cofactors? Name any one.
- Define ‘range’ and ‘stopping potential’ of an alpha particle
- Differentiate between diffusion and osmosis
- Define the resolving power of a microscope
- What are transducers?
- What are structure borne noises? How can it be insulated?
- What is meant by photosynthesis?
- What is linear magnification?
PART – B
Answer any FOUR questions: (4×7.5 = 30)
- Define induced radioactivity with example. Describe how radio carbon is used in age estimation or dating.
- Explain the working of a piezo-electric oscillator.
- Describe in detail the carbon fixation cycle.
- Give a detailed account of biosensors.
- Write in detail, the molecular theory of surface tension
PART – C
Answer any FOUR questions: (4×12.5 =50)
- Derive Poiseuille’s formula for the flow of liquid through a capillary tube
- (i) Discuss the energies of beta decay.
(ii) Explain the uses of radio isotopes.
- Explain with neat circuit diagram, the working of a magnetostrition oscillator and Galton whistle.
- Give a detailed account on temperature and pressure transducers.
- Explain the Kreb’s cycle in detail with all the intermediate steps.
Loyola College B.Sc. Adv. Zoology & Bio-Technology April 2008 Physics For Biology Question Paper PDF Download
LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
B.Sc. DEGREE EXAMINATION – ADV.ZOO. & BIO TECHNOLOGY
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FOURTH SEMESTER – APRIL 2008
PH 4204 – PHYSICS FOR BIOLOGY
Date : 24/04/2008 Dept. No. Max. : 100 Marks
Time : 9:00 – 12:00
PART A
Answer all questions: (10 х 2=20)
- Define Coefficient of Viscosity. Give its units.
- State the Fick’s law of diffusion.
- State the laws of refraction
- What is glycolysis?
- What are coupled reactions?
- Find the de Broglie wavelength of an electron with a kinetic energy of 100 eV.
- List different methods of detecting ultrasonic waves.
- The disintegration constant λ of a radioactive element is 0.00231 per day. Calculate its half- life and average life.
- What are radio isotopes? Give some examples.
- What are transducers? Give the different types of transducers.
PART B
Answer any four questions: (4 х 7.5=30)
- Derive Poiseuille’s formula for the rate of flow of a liquid through a capillary tube.
- Obtain an expression for the resolving power of a microscope.
- (a) What is Galton’s Whistle? (5)
(b) Calculate the fundamental frequency of vibration of a quartz crystal of
thickness 5mm if the velocity of longitudinal waves through it is 5760m/s
- Derive an expression to calculate the half life and mean life period an radioactive element.
- Compare p700 and p680.
PART C
Answer any four questions: (4 х 12.5=50)
- a) Define Osmotic pressure and state its laws. (5 marks)
- b) Deduce an expression for the elevation of the boiling point of a liquid by a non-volatile
substance dissolved in it. (7.5 marks)
- Write a detailed note of the Kreb’s cycle.
- With necessary block diagram, describe ultrasonic imaging technique.
- Write in detail about the energetics of beta decay.
- Give a detailed account on the pressure transducer.