What is the role of primers in PCR?
Correct answer D. They provide a starting point to which DNA polymerase adds nucleotides
Topic / 65 questions
Biotechnology MCQs
Page 2 of Biotechnology multiple-choice questions with answers. Tap an option to check yourself.
Page 2 of 4
- Biological Molecules 74
- Coordination and Control 72
- Biology Diagnostic 70
- Cell Structure and Function 67
- Biotechnology 65
- Reproduction 58
- Bioenergetics 55
- Circulation 50
- Inheritance 48
- Digestion 45
- Immunity 45
- Support and Movement 45
- Acellular Life (Viruses) 45
- Homeostasis 45
- Respiration and Gaseous Exchange 45
- Evolution 45
- Enzymes 45
- Cell Cycle 41
- Chromosome and DNA 40
- Biology Introduction 38
- Ecosystem 27
In gel electrophoresis, which DNA fragments travel farthest from the wells?
Correct answer D. The smallest fragments
A linear DNA molecule has 3 recognition sites for a restriction enzyme. How many fragments are produced when it is completely digested?
Correct answer D. 4
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Assuming bases occur randomly and equally often, how often would a 6-base-pair restriction site be expected to occur?
Correct answer D. Once in every 4096 base pairs
What is the basis of DNA fingerprinting?
Correct answer C. Individuals differ in the number of repeats in variable non-coding regions of DNA
Which of these is incorrectly matched?
Correct answer D. DNA ligase-Mapping human chromosome
Which of these would you not expect to be a biotechnology product?
Correct answer D. Steroid hormones
Which of these is a true statement?
Correct answer A. Both plasmids and viruses can serve as vectors.
Salt tolerant plants are
Correct answer D. Arabidopsis
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A device that bombards a callus with DNA coated microscopic metal particles is
Correct answer C. Particle gun
Cell suspension cultures of
Correct answer C. Both a and b
Coconut milk contains the plant hormone
Correct answer B. Cytokinins
Plants are totipotent because
Correct answer B. A single cell could become a complete plant
Tissue culture does not involve
Correct answer D. Use of generative nucleus in pollen culture
Which of the following is correct about SCID?
Correct answer B. It is an immune disorder
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Transgenic bacteria are produced in large vats called
Correct answer C. Bioreactor
Substance used to terminate DNA at different points in Sanger’s method is
Correct answer D. Dideoxyribonucleoside triphosphate
Full set of genes of an individual is called
Correct answer D. Genome
Plasmid do not carry gene for
Correct answer C. Growth
In cystic fibrosis patient lacks a gene for the transmembrane carrier of the
Correct answer D. Chloride ion