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Biotechnology
‣
Nitrogen Fixation and Photosynthesis
See What Others Are Saying!
Question
Which of the following bacteria genus is capable of oxidizing ammonia (NH
4
)?
Options
A. Nitrospina
B. Nitrobacter
C. Nitrosococcus
D. Nitrosobacter
Correct Answer
Nitrosococcus
More questions
1. Which of the following vector can maintain the largest fragment of foreign DNA?
Options
A. YAC
B. Cosmid
C. Plasmid
D. Phage
Show Answer
Scratch Pad
Discuss
Correct Answer: YAC
2. Tonoplast is a membrane around
Options
A. cytoplasm
B. vacuole
C. nucleus
D. mitochondria
Show Answer
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Discuss
Correct Answer: vacuole
3. The size of the genome of SV 40 is
Options
A. 7.2 kb
B. 69 kb
C. 5.2 kb
D. 110 kb
Show Answer
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Discuss
Correct Answer: 5.2 kb
4. DNA into fish is injected into
Options
A. pronuclei
B. cytoplasm
C. both (a) and (b)
D. none of these
Show Answer
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Discuss
Correct Answer: cytoplasm
5. The dried malt is the source of
Options
A. amylase
B. proteinases
C. both (a) and (b)
D. cellulase
Show Answer
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Discuss
Correct Answer: both (a) and (b)
6. Mitochondria can be expected most numerous in
Options
A. green cells
B. red blood cells
C. muscle cells
D. none of these
Show Answer
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Discuss
Correct Answer: muscle cells
7. Plants absorb nitrates from soil and convert them into
Options
A. urea
B. ammonia
C. nitrogen
D. none of these
Show Answer
Scratch Pad
Discuss
Correct Answer: ammonia
8. Lysosomes are associated with
Options
A. photosynthesis
B. respiration
C. storage
D. digestion
Show Answer
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Discuss
Correct Answer: digestion
9. The primary B cell receptor is
Options
A. IgD
B. IgG
C. IgA
D. IgE
Show Answer
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Discuss
Correct Answer: IgD
10. When a gardener takes a cutting from a plant, indicating that he has made a
Options
A. clone
B. mutation
C. new species
D. new variety
Show Answer
Scratch Pad
Discuss
Correct Answer: clone
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