Question
Name the type of cross that would help to find the genotype of a pea plant bearing violet flowers.
Solution
Test Cross
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Name the type of cross that would help to find the genotype of a pea plant bearing violet flowers.
Test Cross
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State two postulates of Oparin and Haldane with reference to origin of life.
Oparin and Haldane proposed that life originated from pre-existing non-organic molecules and the diverse organic molecules were formed from these inorganic constituents by chemical evolution
A herd of cattle is showing reduced fertility and productivity. Provide one reason and one suggestion to overcome this problem.
The cattle's productivity is decreased due to inbreeding depression. A single outcross i.e. breeding with animals of same breed but should not have common ancestors on either side upto 4-6 generations can restore its fertility.
What are Cry genes ? In which organism are they present ?
Cry genes codes for a toxin which is poisonous to some insects thus giving resistant to the plants. They are present in bacterium Bacillus thuriengiensis.
An electrostatic precipitator in a thermal power plant is not able to generate high voltage of several thousands. Write the ecological implication because of it.
It will not be able to remove particulate matter present in the exhaust of thermal power plants & hence cannot control pollution.
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