GMO

Q.

How do you calculate selection coefficient?

Q.

What is the first transgenic cow?

Q.

Mention any two examples of evolution by anthropogenic action.

Q.

Which of the following statements are true?
(i) In case of microbial enzymatic reactions, elimination and decomposition of waste materials are avoided.
(ii) Microbial enzymes are active only at high temperature.
(iii) MIcrobial enzymes are eco-friendly.

1. (i) and (ii)
2. (i) and (iii)
3. (ii) and (iii)
4. (i), (ii) and (iii)

Q.

What is bioremediation?

Q.

What is transgenesis in biology?

Q.

Genetic engineering is__________.

1. Study of extra nuclear genes

2. Plastic surgery

3. Addition or removal of genes

4. All of these

Q.

Why do we need improvement in agriculture

1. All of the above
2. To meet the increasing demand for food
3. To produce a better yield
4. To compensate for depleting natural resources

Q. Which of these is/are products of biotechnology?

1. transgenic crops
2. biofertilizer
3. humulin
4. All of the above

Q. Flavr Savr is a variety of

1. Tomato
2. Tobacco
3. Mustard
4. Cotton

Q. The first use of bioreactors was for mass production of Penicillin.

1. True
2. False

Q. Give any two microbes that are useful in biotechnology.

Q. Define Genetically Modified Organism.

Q. Complete the following puzzle:

Across:

1.These are undifferentiated masses of cells.
2.The carbon copy of an individual.

Down:

3. These are also called genetically modified organisms.
4. The first cloned female sheep.

Q. In India the organization responsible for assessing the safety of introducing genetically modified organisms for public use is

1. Indian Council of Medical Research (ICMR)
2. Research Committee in Genetic Manipulation (RCGM)
3. Council for Scientific and Industrial Research (CSIR)
4. Genetic Engineering Appraisal Committee (GEAC)

Q.

The new concepts in the biotechnological method is/are

1. Triple Cell Protein
2. Single Cell Protein
3. Double Cell Protein
4. Tetra Cell Protein

Q. Genetic modification can improve quantity and quality of food crops.

1. True
2. False

Q. Transgene is a foreign gene artificially transferred into an organism

1. True
2. False

Q.

Genetically modified crops are same as hybrid crops.

1. False

2. True

Q.

Why do we need improvement in agriculture

1. To meet the increasing demand for food

2. To produce a better yield

3. To compensate for depleting natural resources

4. All of the above

Q.

Are purple potatoes better than white potatoes?

Q.

Crops developed with desired characters by integrating foreign gene with their genome are called ___

1. Genetically Modified Crops

Q.

Bacteria that are useful for cleaning the hydrocarbon and oil pollutants.

1. Pseudomonas

2. Deinococcus

3. None of the above

4. Pteris

Q. Genetically Modified Organisms (GMO) are developed by rDNA technology and genetic engineering. They are useful for

1. Enhancing food nutritional value
2. Reduction in the post-harvest losses
3. Increasing the tolerance power of crops against the abiotic stresses
4. All of the above

Q. Genetically engineered male sterile crop plants may be produced by inserting

1. Bt toxin gene
2. Lectin gene
3. Barnase gene
4. Chitinase gene

Q. Transgenic plants are

1. generated by introducing foreign DNA into a cell and regenerating a plant from that cell
2. produced after protoplast fusion in artificial medium
3. produced by a somatic embryo in artificial medium
4. grown in artificial medium after hybridization in the field

Q. David consulted his friend in a agriculture university for better quality of tomato. His friend suggested him to grow transgenic tomatoes with delayed ripening genes. These tomatoes would not decay if stored for some time.
Read the above passage and answer the following questions:
What are transgenics ?

Q. Why do we need strategies for enhancement of food production?

1. To meet the increasing demand for food
2. To produce a better yield
3. To compensate for depleting natural resources
4. All of the above

Q.

The most abundant prokaryotes helpful to human in making curd from milk and in production of antibiotics are the ones categorised as

1. Cyanobacteria

2. Archaebacteria

3. Chemosynthetic autotrophs

4. Heterotrophic bacteria

Q. Maize hybrids have been developed for higher amount of ?

1. Lysine
2. Leucine
3. Methionine
4. Cysteine