Advertisements
Advertisements
Answer the following question:
Why does 'Swiss Cheese' develop large holes?
Concept: Microbes in Household Products
How does a gene therapy involving direct modification of the cells, in order to achieve a therapeutic goal is used in the treatment of ADA deficiency? Explain.
Concept: Applications of Biotechnology in Health and Medicine
A host cell must be made competent, before it is able to receive an rDNA. Justify.
Concept: Applications of Biotechnology in Health and Medicine
- Give an example of a genus of virus used as narrow spectrum insecticidal biocontrol agent.
- How does its use serve as an aid in overall integrated pest management programme?
Concept: Microbes as Biocontrol Agents
Why must a cell be made ‘competent’ in biotechnology experiments? How does calcium ion help in doing so?
Concept: Tools of Recombinant DNA Technology >> Competent Host (For Transformation with Recombinant DNA)
Explain with the help of a suitable example the naming of a restriction endonuclease.
Concept: Tools of Recombinant DNA Technology >> Restriction Enzymes
How are 'sticky ends' formed on a DNA strand? Why are they so called?
Concept: Tools of Recombinant DNA Technology >> Restriction Enzymes
Name two commonly used bioreactors.
Concept: Processes of Recombinant DNA Technology
State the role of “biolistic gun” in biotechnology experiments.
Concept: Tools of Recombinant DNA Technology >> Competent Host (For Transformation with Recombinant DNA)
Name and explain the technique used for separating DNA fragments and making them available for biotechnology experiments.
Concept: Principles of Processes of Biotechnology
Write the role of ‘restriction sites’ in the cloning vector pBR322.
Concept: Tools of Recombinant DNA Technology >> Cloning Vectors
Answer the following question:
Describe the formation of recombinant DNA by the action of EcoRI.
Concept: Processes of Recombinant DNA Technology
Answer the following question.
"The size of a population for any species is not a static parameter." Justify the statement with specific reference to fluctuations in the population density of a region in a given period of time.
Concept: Population >> Population Attributes
A Tight one-to-one relationship between many species of fig tree and certain wasps is an example of ______.
Concept: Population Interactions
Important attributes belonging to a population but not to an individual are:
- Birth rate and death rate
- Male and female
- Birth and death
- Sex-ratio
Select the correct option from the given options:
Concept: Population >> Population Attributes
"Cattle and goats do not browse the Calotropis plant." Justify the statement giving reasons.
Concept: Population Interactions
What is primary productivity?
Concept: Concept of Ecosystem >> Productivity
Define decomposition.
Concept: Concept of Ecosystem >> Decomposition
Why does primary productivity vary in different types of ecosystems?
Concept: Concept of Ecosystem >> Productivity
State the relation between gross and net primary productivity.
Concept: Concept of Ecosystem >> Productivity
