Genetic Engineering Quiz

What is the primary role of a vector in genetic engineering?

• To create new genes

• To replicate DNA

• To transfer genes into a host cell

• To destroy unwanted genes

Which type of vector is commonly used due to its ease of manipulation?

• Viruses

• Liposomes

• Bacteriophages

• Plasmids

What is the purpose of using calcium ions and heat shock in the transformation process?

• To help bacteria take up plasmids

• To make bacteria glow

• To break down bacterial cell walls

• To kill bacteria

How can transformed bacteria be identified after gene insertion?

• By using marker genes

• By their shape

• By their color

• By their size

What disease does agrobacterium tumefaciens naturally cause in plants?

• Root rot

• Crown gall disease

• Leaf blight

• Stem rust

What is the main nutritional benefit of Golden Rice?

• Increased protein content

• Enhanced iron absorption

• Higher vitamin A levels

• More carbohydrates

Why is Golden Rice considered controversial?

• It is too expensive to produce

• It is not effective in increasing vitamin A

• It does not address the root cause of poverty

• It does not taste good

What improvement was made in Golden Rice 2 compared to the original Golden Rice?

• It requires fewer enzymes

• It grows faster

• It has a higher carotene content

• It is more resistant to pests

What material is used to coat genes in the micro projectile method?

• Gold or tungsten

• Silver

• Iron

• Copper

What is the purpose of using a gene gun in genetic engineering?

• To sequence DNA

• To deliver genes into target cells

• To remove unwanted genes

• To measure gene expression