Pressure of water increases with depth. Thus, the balloon decreases in volume as it is forced deeper. The correct answer is C).
The infant should be given a trial of bronchodilators.
Explanation:
Bronchodilators are compounds that dilates the bronchioles and smoothens the flow of air through them.
The infant has gonorrhea and cough. This shows that he has excessive mucus secretion in his respiratory tract.
Wheezing and prolonged expiration shows that the infant is having breathing difficulty.
Wheezing usually occurs when there is a blockage in the bronchial passage.
Since immunizations are up to date, chances of probable infections are less.
In this case the physician should use a bronchodilator trial to check if the blockage in the bronchus is due to mucus.
Then any further examination should be followed.
Answer:
Genetic diversity has decreased due to inbreeding due to dwindling population size.
Answer:
The correct answer is : Hormones in the plant help fruits develop and ripen.
Explanation:
- Development of fruits and its ripening is brought about by a number of plant hormones :
- Auxin - It promotes the cellular growth, both with respect to cell-division and cell elongation. It promotes the cells in the fruit to expand isodiametrically.
- Gibberellic Acid - This hormone delays the ripening of fruits and also prevents senescence. It helps the fruits to acquire enhanced characteristics.
- Cytokinin - Promotes cell division during the development of fruit.
- Ehylene - Promotes the ripening of fruits.
