Biotechnology Model Questions and Answers

1. A collection of DNA clones that represent the entire genome of the organism is called

a) cDNA library   b) genomic DNA library

c) mRNA library  d) rRNA library.

Answer: b

2. S1 nuclease digests

a) double stranded DNA  b) single stranded DNA

c) single stranded RNA   d) cDNA.

Answer: b

3. Taq DNA polymerase is used in

a) RNAse protection   b) cDNA synthesis

c) DNA transfection   d) Polymerase Chain reaction.

Answer: d

4. mRNA can be purified using

a) oligo dA column  b) oligo dC column

c) oligo dT column  d) oligo dG column.

Answer: c

5. This is one of the eukaryotic promoters:

a) lac    b) CMV

c) tryp  d) leu

Answer: b

6. Poly A tail in the mRNA can provide

a) stability   b) access to RNase digestion

c) access to DNAse digestion  d) access to S1 nuclease digestion.

Answer: a

7. Information is stored and transmitted inside a computer in

a) binary form  b) ASCII code form

c) decimal form  d) alphanumeric form

Answer: a

8. The storage required for an image such as an X-ray is approximately

a) a few bytes  b) a few hundred bytes

c) a few gigabytes  d) in the megabyte range.

Answer: d

9. A gigabyte represents

a) 1 billion bytes  b) 1000 kilobytes

c) 230 bytes  d) 1024 bytes

Answer: a

10. A megabyte represents

a) 1 million bytes  b) 1000 kilobytes

c) 220 bytes          d) 1024 bytes

Answer: b

11. What is the origin of the prefix "nano"?

a) An Orkan expression for hello

b) Means small in Latin

c) Means dwarf in Greek

d) Coined by Plank during the development of quantum mechanics

Answer: c

12. Which of the following is the most bottom-up approach towards nanotechnology?

a) Photolithography   b) Self-assembly

c) Micromolding       d) Focused Ion Beam Milling

Answer: b

13. How many square nanometers are there in one square micrometer?

a) 10^3    b) 10^6

c) 10^9    d) 10^12

Answer: b

14. A quantum dot is

a) An object that changes it properties upon addition or removal of a single electron.

b) A mathematical operator used in string theory, and represented by the character "."

c) A hole in spacetime.

d) An electromagnetic vacuum fluctiation.

Answer: a

15. According to recent research (2011), which of the following materials appears to have the

highest known thermal conductivity of any known material?

a) Carbon Nanotubes                    b) Deoxyribonucleic Acid

c) Isotropically Pure Diamond     d) Single Crystaline Silicon

Answer: a

16. At the end of 2010, which country was putting the most money into nanotechnology

research?

a) UK                         b) USA

c) AUSTRALIA       d) JAPAN

Answer: d

17. Nanotechnology is measured in:

a) Grams            b) Nanophies

c) Nanometers   d) Millimeters

Answer: b

18. How many nanometers are there in a meter?

a) One Thousand      b) One Million

c) Ten Million          d) Ten Billion

Answer: d

19. Polio vaccine was tested on

a) Goat    b) Mice

c) Cat      d) Rat

Answer:a

20. GM is

a) Gene modified     b) Genetically modified

c) Gene multiplied  d) Genesis modified

Answer: b

21. Piece of single stranded DNA

a) RNA     b) Chromosomes

c) Genes   d) Probe

Answer:d

22. ELISA is based on the principle of antigen-antibody interaction

a) True                      b) False

c) Partially True      d) Can’t say

Answer: b

23. The maintenance of the body’s constant internal environment is termed

a) synthesis.      b) hydrolysis.

c) replication.   d) homeostasis.

Answer: d

24. Find the applications of Biotechnology:

a) Transportation.           b) Therapeutics

c) Design of missiles      d) Aviation industry

Answer: b

25. Transgenic animals used as models for

a) Scracteches.     b) Body pain

c) Diseases           d) Headach                                                                                                              Answer: c