Microbes in Human Welfare — BIOLOGY STD 12 Science — Question

Why is secondary immune response more intense than the primary immune response in humans?

Who rediscovered Mendel’s laws of heredity?

What is neoplasm?

Where is the reservoir for gaseous type of biogeochemical cycle located?

High fever, loss of appetite, stomach pain and constipation are some of the symptoms seen in a patient. How would the doctor confirm that the patient is suffering from typhoid and not amoebiasis

Write the name of hormone which relaxes the pubic symphysis.

Name the kind of pollination in maize.

Name two animals that have evolved along with Tasmanian wolf in the Australian continent.

Arrange the following terms in correct stages of development-Pollen grain, microsporogenous tissue, microspore tetrad, microspore mother cell.

Name the gas released and the process responsible for puffing up of the bread dough when Saccharomyces cereviseae is added to it.

OR

Name the metabolic pathway associated with the rising of dough in making bread. What makes the dough rise?