#1
Which of the following techniques is commonly used in genetic engineering to amplify DNA sequences?
PCR (Polymerase Chain Reaction)
ELISA (Enzyme-Linked Immunosorbent Assay)
Western Blotting
Southern Blotting
#2
Which of the following is a commonly used vector in genetic engineering for introducing foreign DNA into host cells?
Plasmid
Ribosome
Golgi apparatus
Endoplasmic reticulum
#3
Which of the following genetic engineering techniques involves the transfer of genes between different species?
Gene silencing
Gene cloning
Gene transfer
Gene editing
#4
Which of the following is a method used to introduce foreign DNA into plant cells in genetic engineering?
Electroporation
Microinjection
Biolistics
Polymerase Chain Reaction
#5
Which of the following is a technique used to analyze gene expression levels?
Southern Blotting
PCR (Polymerase Chain Reaction)
Western Blotting
Microarray Analysis
#6
Which of the following is NOT a potential application of genetic engineering in cancer treatment?
Gene therapy
Immunotherapy
Radiation therapy
Targeted drug delivery
#7
In genetic engineering, what does CRISPR-Cas9 technology primarily enable scientists to do?
Detect gene mutations
Amplify DNA sequences
Edit DNA sequences with high precision
Quantify gene expression levels
#8
Which of the following is a characteristic feature of oncogenes in cancer biology?
They suppress tumor growth
They promote cell proliferation
They repair damaged DNA
They induce apoptosis
#9
What is the main purpose of transgenic animals in cancer research?
To provide a source of human organs for transplantation
To study the effects of specific genes on cancer development
To produce antibodies for cancer treatment
To generate renewable sources of energy
#10
Which of the following is a limitation of gene editing techniques like CRISPR-Cas9 in cancer therapy?
Inability to target specific genes
Off-target effects leading to unintended mutations
Limited availability of funding for research
Difficulty in identifying suitable target cells
#11
Which of the following is an example of a targeted therapy used in cancer treatment?
Chemotherapy
Radiation therapy
Angiogenesis inhibitors
Antibiotics
#12
What is the role of tumor suppressor genes in cancer development?
Promote uncontrolled cell division
Inhibit cell cycle progression
Enhance angiogenesis
Increase DNA mutations
#13
What is the primary function of tumor microenvironment in cancer progression?
Suppress immune response
Inhibit angiogenesis
Promote apoptosis
Enhance DNA repair
#14
What is the significance of angiogenesis in cancer progression?
It promotes metastasis
It inhibits DNA replication
It enhances apoptosis
It suppresses tumor growth
#15
What is the significance of epigenetics in cancer development?
It involves changes in the DNA sequence
It regulates gene expression without altering the DNA sequence
It directly causes mutations in tumor suppressor genes
It inhibits metastasis
#16
What is the role of epigenetic modifications in cancer?
Directly cause mutations in DNA
Stimulate angiogenesis
Alter gene expression without changing the DNA sequence
Enhance apoptosis