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Biophysics - Part 4
1
of
25
💡
Hints:
3
Q1. Complete the sentence.A substance that is more basic has a ___ pH than a substance that is acidic.
A. lower
B. higher
C. the same
D. none of the above
Q2. Three resistors R___1,R___2, andR___3
A. current passes through all resistors are same
B. R___∞=R___1+R___2+R___3
C. Voltage across all the resistors are same
D. total voltage of a circuit is equal to sum of the voltages across each resistor in circuit
Q3. Which of the following is not a fundamental unit?
A. centimeter
B. kilogram
C. Kelvin
D. seconds
Q4. The minimum distance between the real image and the real object of a concave mirror is
A. zero
B. 2f
C. f
D. 4f
Q5. Radioactive substance emits the following rays except
A. Gamma
B. Beta
C. Alpha
D. X -rays
Q6. Giventwovectors:A=10m,NB=15m, E.What is the magnitude of the resultant vector of A + B? (rounded to whole numbers)
A. 5m
B. -5m
C. 18m
D. 325
Q7. Strongest bond
A. Vander walls
B. Covalent bond
C. Electostastic
D. Hydrogen bonding
Q8. Convert 0.25 mm to m.(With correct scientific notation form)
A. 25 x 10-3 m
B. 2.5 x 10-4 m
C. 2.5 x 10-5 m
D. 2.5 x 10-2 m
Q9. how many moles are there in 1M NaOH of volume 1L?
A. 1
B. 10
C. 100
D. 1000
Q10. Microbiosensors are based on
A. ions effect
B. ionsensitive field effect transistor
C. piezoelectric effect
D. magnetic effect
Q11. Sound of frequency below 20 Hz is called
A. audio sounds
B. infrasonic
C. ultrasonic
D. supersonics
Q12. Concerns of heat measurement and methodsofheatamountmeasurement
A. Viscosity
B. Themometry
C. Calorimetry
D. Elecricity
Q13. Who stated that action and reaction given to an object is same?
A. Newton
B. Einstein
C. Faraday
D. Hooke
Q14. Your car has a mass of 2500 kg and a force of 5000 N. How fast will it accelerate?
A. 20 m/s2
B. 2 m/s2
C. 0.5 m/s2
D. 120 N
Q15. The pH of water is 7.0 at the temperature in centigrade
A. 22
B. 30
C. 37
D. 40.
Q16. Which one of the following microe scopes would you use to visualize a protein fused to an appropriate reporter in a living cell?
A. Fluorescence microscope
B. Scanning electron microscope
C. Differential interference contrast microscope
D. Phase contrast microscope
Q17. An FT-IR instrument record a signal in the
A. frequency domain
B. size domain
C. time domain
D. core domain
Q18. As the distance between two magnets increases (they get farther apart), the force between them:
A. Increases
B. Decreases
C. Stays the Same
Q19. Which type of crop is a Watermelon?
A. Kharif
B. Rabi
C. Zaid
D. None of these
Q20. Function of β-mercaptoethanol in SDS-PAGE is
A. To give negative charges to amino acids in the proteins
B. For the oxidation of disulfide bonds in the proteins
C. For the reduction of disulfide bonds in the proteins
D. For breaking hydrogen bonds in the proteins
Q21. Water has a neutral because
A. it has more H+ ions than OH-
B. it has more OH- ions than H+
C. it does not produce any ions
D. it has an equal amount of H+ and OH- in solution
Q22. In the food chain pictured, the source of energy for the water plant is
×
A. Sun
B. Water Plant
C. Mayfly
D. Trout
Q23. Which picture would be first to show the flow of energy through the food chain.
×
A. Snake
B. Sun
C. Carrot
D. Rabbit
Q24. Given two vectors:A = 10m, NB = 15m, E.What is the direction of the resultant vector of A + B? (rounded to whole numbers)
A. 34o North of East
B. 34o East of North
C. 56o North of East
D. 56o East
Q25. Hemolysis is caused by the dilution of RBC by
A. Diffusion
B. Osmosis
C. Effusion
D. Imbibition.
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