List of practice Questions

Mention what does the dotted line in the graph indicate and state its importance also.
How are such drugs consumed?
Name the human body organ affected by the consumption of these drugs.
Production of Biological Products:
Studying Diseases:
Chemical Safety Testing:
Name ‘A’ and ‘B’ fragments.
Write the ‘palindrome’ recognized by EcoRI.
Where does EcoRI cut the palindrome? Write the events followed thereafter to form a recombinant DNA.
Study the graph given below that represents the changes in the thickening of the uterine wall in women ‘X’ and women ‘Y’ over a period of one month:
What does the graph with respect to women ‘X’ and woman ‘Y’ indicate? Give a suitable reason.
Name any two hotspots in India.
Differentiate between grazing food chain and detritus food chain.
Explain Brood parasitism with the help of a suitable example.
Draw a well-labelled diagram of the sectional view of a male gametophyte/microspore of an angiosperm and write the functions of any two parts labelled. (Any four labels).
Name the group of drugs whose skeletal molecule is shown below:
Assertion (A): Plasmids are autonomously replicating circular extra-chromosomal DNA.
Reason (R): Plasmids are usually present in eukaryotic cells.
Assertion (A): Patents are granted by governments to an inventor.
Reason (R): Patents prevent others from commercial use of an invention.
Assertion (A): A given fig species can be pollinated only by its partner wasp.
Reason (R): The wasp pollinates the fig inflorescence while searching for suitable egg-laying sites.
Assertion (A): Some aquatic ecosystems have inverted biomass pyramids.
Reason (R): More energy is required by organisms occupying higher trophic levels.
What is artificial insemination in ART? Under what conditions is the person medically advised to go for it?
Why does a patient of ADA-deficiency require repeated infusions of genetically engineered lymphocytes? Suggest a possible permanent remedy.
Identify the category of genetic disorder depicted in the pedigree chart given below:
ELISA technique is based on the principle of:
Homologous organs indicate:
The ‘molecular scissors’ fall in the category of: