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NEET • BIOLOGY • BIOTECHNOLOGY-PRINCIPLES AND PROCESSES
Biotechnology-principles and processes practice · Mixed difficulty
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91
Easy
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Which of the following is least likely to be used as a cloning vector?
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Correct option: C
Bacterium
Option C (Bacterium) is the correct answer because while bacteria are used in cloning, they are the *host* and not the vector itself. Plasmids within bacteria are vectors.
92
Medium
92 of 94
Application
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How many copies of DNA sample are produced in PCR technique after 6 cycles?
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Correct option: D
64
Option D is correct. In PCR, the number of copies doubles with each cycle. After 6 cycles, starting with one copy, there will be 26 = 64 copies.
93
Hard
93 of 94
Remembering
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A genetically manipulated organism containing in its genome one or more inserted gene of another species is called:
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Correct option: C
Transgenic organism
Option C (Chitinase) is correct because chitinase is used to break down chitin, which is found in fungal cell walls, not bacterial cell walls. Lysozyme, ribonuclease, and protease are used in bacterial DNA extraction.
94
Medium
94 of 94
Understanding
+4 | -1
Which one of the following can help in the diagnosis of a genetical disorder?
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Correct option: C
PCR
Option C (PCR) is correct because PCR can amplify specific DNA sequences, allowing for the detection of genetic mutations associated with disorders.
Revision notes and key takeaways
Review BIOTECHNOLOGY-PRINCIPLES AND PROCESSES in your textbook or class notes, then use this set to check your understanding.
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