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प्रश्न
Differentiate: Hormones and Enzyme.
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उत्तर
| Hormones | Enzyme |
| Act at sites usually far away from source. | Act usually within the same cell or at the most close to the cell. |
| Always transported by blood. | Not transported by blood. In some cases transported by ducts. |
| Chemically may be proteins, steroids or amino acids. | Chemically always protein. |
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संबंधित प्रश्न
Fill in the blank:
Hormones are produced by ____________.
Mention which of the statements are true (T) and which are false (F). Give reason in support of your answer.
There are two kinds of diabetes (mild and severe) related with two different hormones.
Identify the ODD term in each set and name the CATEGORY to which the remaining three belong :
Example : glucose, starch, cellulose, calcium
Odd term : calcium
Category : others are different types of carbohydrates
Addison’s disease, Cushing’s Syndrome, Acromegaly, Leukemia
Excess secretion of growth hormone causes ______.
Study the diagram given below and then answer the questions that follow:
 |
- Name the cells of the pancreas that produce (1) glucagon (2) insulin.
- State the main function of (1) glucagon and (2) insulin.
- Why is the pancreas referred to as an exo-endocrine gland?
- Why is insulin not given orally but is injected into the body?
- What is the technical term for the cells of the pancreas that produce endocrine hormones?
- Where in the body is the pancreas located?
Given alongside are the diagrammatic sketches of some endocrine glands. Observe the figures and answer the following questions:
(i) Label the parts numbered 1 to 5.
(ii) Name the hormones secreted by (2) and (5).
(iii) Which chemicals in our body are greatly affected by hormones?
(iv) What is the chemical nature of hormones?
(v) Name the elements related to the functioning of hormones secreted by the structure (2) and (5).
State the Function
Thyroxin
State the Function
Progesterone
Choose the Odd One Out
Which statement is not for a hormone?
