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Biophysics - Part 2
1
of
25
💡
Hints:
3
Q1. Tahe flow of electricity through a conductor
A. Battery
B. Current
C. Static electricity
D. Switch
Q2. The highest point on a transverse wave is the
A. Crest
B. Trough
C. Amplitude
D. Compression
Q3. A north pole and a south pole will attract.
A. True
B. False
Q4. Given four vectors:A = 10m, N; B = 15m, E;C = 12m, N; D = 20m, W.What is the magnitude of the resultant vectorofA+B+C+D?(rounded to whole numbers)
A. 5
B. 29
C. 41
D. 23
Q5. 0.000 005 m is equal to
A. 5μm
B. 5 nm
C. 5 mm
Q6. The types of inhibition pattern based on Michaelis Menten equation are
A. competitive
B. non-competitive
C. uncompetitive
D. all the above
Q7. Total magnification is:
A. the strength of the eyepiece lens
B. the strength of the eyepiece multiplied by the objective lense
C. using a magnifying glass
D. what you see under the objective lens
Q8. If you cut a magnet in half, what happens to the poles?
A. One half gets the North Pole, the other half gets the South Pole
B. Both halves get only a North Pole
C. Both halves get only a South Pole
D. Both halves get a North pole and a South Pole
Q9. The size of an object and its image are the same in this type of mirror
×
A. Plane Mirrors
B. Concave Mirrors
C. Convex
Q10. The difference in pH between arterial a and venous blood is rarely more than
A. 0.02
B. 0.03
C. 0.04
D. 0.06
Q11. To attract means
A. The part of the magnet where the force is the strongest
B. A force created by magnets that pulls some metals
C. To Pull towards
D. An object able to pull some metals towards itself
Q12. Which one of the following can be analysed using Surface Plasmon Resonance method?
A. Radiolabelled DNA probes.
B. Protein structure.
C. Optical density of a solution.
D. Label-free bimolecular interaction.
Q13. The purgative action of Epsom (MgSO4) salt follows
A. Osmosis
B. Diffusion
C. Adsorption
D. Absorption.
Q14. What technique can be used to determine the murderer who left blood with the victim
A. DNA sequencing
B. PCR amplification
C. Western blot
D. RFLP mapping
Q15. Two displacement vectors have magnitudes of 6m and 14m, respectively. When these two vectors are added, the magnitude of the sum
A. is 20 m.
B. is 8 m.
C. is larger than 20 m.
D. could be as large as 20 m or as small as 4 m.
Q16. Which best describes the force of gravity?
A. a pulling force
B. a pushing force
C. a change in mass
D. a change in speed
Q17. Which picture would be fourth to show the flow of energy through the food chain.
A. Snake
B. Sun
C. Carrot
D. Rabbit
Q18. A current-carrying wire is kept in a uniform magnetic field, it deflects, this principle is used in
A. electric motors
B. generators
C. security alarm
D. bothb&c
Q19. Which of these materials is a good conductor of electricity?
A. Rubber
B. Metal
C. Newspaper
D. Glass
Q20. Which of the following best describes the blue bird’s (in the middle) role in this ecosystem?
×
A. carnivore
B. omnivore
C. herbivore
D. decomposer
Q21. The piece of equipment to measure force is called
×
A. Spring Scale
B. Triple Beam balance
C. Force Scale
D. Pull Spring
Q22. Fatty acids can be transported into and out of mitochondria through
A. Active transport
B. Facilitated transfer
C. Non- facilitated transfer
D. None of the above.
Q23. The intracellular fluid of red cells and the red cell membrane in 0.92% NaCI solution maintains a relation
A. Hypertonic
B. Hypotonic
C. Isotonic
D. None of the above.
Q24. Given two vectors:A = 25m, EB = 32m, WWhat is the resultant of A + B?
A. 7m, W
B. 7m, E
C. 57m, W
D. 57m, E
Q25. In case of non-homogeneous solution, diffusion is expressed as
A. Fick’s Law
B. Peterson’s Law
C. Faraday’s Law
D. Dick’s Law.
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