Online Biotechnology Test - Biotechnology Test 1

Instruction:

  • This is a FREE online test. Beware of scammers who ask for money to attend this test.
  • Total number of questions: 20.
  • Time allotted: 30 minutes.
  • Each question carries 1 mark; there are no negative marks.
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  • All the best!

Marks : 2/20


Total number of questions
20
Number of answered questions
0
Number of unanswered questions
20
Test Review : View answers and explanation for this test.

1.
pBR 322 has/have which of the following selection marker(s)?
Ampr
Tetr
Both (a) and (b)
Kanr
Your Answer: Option
(Not Answered)
Correct Answer: Option

2.
Single stranded vectors are useful
for sequencing of cloned DNA
for oligonucleotide directed mutagenesis
for probe preparation
all of the above
Your Answer: Option
(Not Answered)
Correct Answer: Option

3.
λ gt 10 and λ gt 11 vectors can propagate cloned fragments up to
6-7 kb
1-2 kb
40-44 kb
20-23 kb
Your Answer: Option
(Not Answered)
Correct Answer: Option

4.
The two chains are joined together to constitute native insulin using
sodium dissulphonate and sodium sulphite
sodium dissulphonate and sodium sulphate
sodium sulphate and sodium sulphite
sodium sulphate only
Your Answer: Option
(Not Answered)
Correct Answer: Option

5.
A very common mutualistic, symbiotic relationship between a fungus and the roots of a plant is
lichen
mycorrhizal
ascomycete
basidiomycete
Your Answer: Option
(Not Answered)
Correct Answer: Option

6.
Chemical energy is supplied to eukaryotic cells by
chloroplasts and golgi complexes
mitochondria and ribosomes
mitochondria only
mitochondria and chloroplasts
Your Answer: Option
(Not Answered)
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7.
Which of the following can be found as a part of the mitochondrial matrix?
Ribosomes
DNA
Enzymes
All of these
Your Answer: Option
(Not Answered)
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8.
What is meant by 'Organ culture' ?
Maintenance alive of a whole organ, after removal from the organism by partial immersion in a nutrient fluid
Introduction of a new organ in an animal body with a view to create genetic mutation in the progenies of that animal
Cultivation of organs in a laboratory through the synthesis of tissues
The aspects of culture in community which are mainly dedicated by the need of a specified organ of the human body
Your Answer: Option
(Not Answered)
Correct Answer: Option

9.
Protoplasts are the cells devoid of
cell membrane
cell wall
both cell wall and cell membrane
none of these
Your Answer: Option
(Not Answered)
Correct Answer: Option

10.
Neutralized activated charcoal is occasionally added to young regenerating cultures to
remove toxic phenolics produced by the stressed plant cell
help to remove plants growth regulators introduced at an earlier stage
both (a) and (b)
maintain the pH of the medium
Your Answer: Option
(Not Answered)
Correct Answer: Option

11.
Metabolic interference is a term used to describe a method to metabolize a compound and prevent the synthesis of something that is normally produced. What compound(s) have been targeted for metabolic interference in tomato?
ACC (1-aminocyclopropane-1-carboxylic acid)
SAM (S-adenosylmethionine)
Both (a) and (b)
AOA (aminooxyacetic acid)
Your Answer: Option
(Not Answered)
Correct Answer: Option

12.
Which of the following has been confirmed on sugarcane genotypes?
Bacilliform virus
Cytomegalovirus
Varicella-zoster virus
Erythrovirus
Your Answer: Option
(Not Answered)
Correct Answer: Option

13.
Which of the following is the most effective for the rice sheath blight pathogen, Pellicularia sasakii?
Polyoxin D
Polyoxin B
Polyoxin L
Polyoxin C
Your Answer: Option
(Not Answered)
Correct Answer: Option

14.
If two genes show 50% recombination
they are on different chromosomes
they are on same chromosome but far apart
both (a) and (b)
they are closely located on the same chromosome
Your Answer: Option
(Not Answered)
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15.
DNA replication is controlled at which of the following checkpoint?
G1
G2
M
S
Your Answer: Option
(Not Answered)
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16.
Range of osmolarity tolerated/accepted in mOsm/Kg of H2O by mammalian cells is
150-300
280-360
300-325
360-400
Your Answer: Option
(Not Answered)
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17.
Using bovine papilloma virus (BPV) derived vectors, permanent cell lines can be obtained carrying a recombinant DNA
episomally only
integrated only
either episomally or integrated at high copy number
either episomally or integrated at low copy number
Your Answer: Option
(Not Answered)
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18.
What are different substrates used for ethanol production?
Starch containing substrate
Juices from sugarcane or molasses or sugar beet
Waste product from wood or processed wood
All of the above
Your Answer: Option
(Not Answered)
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19.
Sake is
rice beer or wine of India
wheat beer or wine
barley beer or wine
rice beer or wine of Japan
Your Answer: Option
(Not Answered)
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20.
Penicillin is produced by
aerobic fermentation
anaerobic fermentation
aerobic fermentation followed by anaerobic fermentation
anaerobic fermentation followed by aerobic fermentation
Your Answer: Option
(Not Answered)
Correct Answer: Option

*** END OF THE TEST ***
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