1. what is epiglottis?
Ans: the cartilaginous flap which acts as a lid over the glottis preventing the food from entering the larynx is called the epiglottis.
2. what is a target tissue?
Ans: the tissues or organs on which the hormones act are called target tissues or target organs.
3. what is callus?
Ans: when explant is placed in culture medium, the cells of the explant divide and re divide to produce an undifferentiated mass of tissue called callus.
4. what is incubation period?
Ans: the time elapsed between the entry of disease causing organism into the body and the appearance of the sickness is called incubation period.
5. why do sports persons take Glucose?
Ans: glucose being a simple sugar is immediately absorbed into the blood. So, sports persons and diseased persons take glucose.
6. what are carbon sinks?
Ans: the grasslands that absorb carbon dioxide from the atmosphere are called carbon sinks.
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