Class 11
NCERT
Chapter 1: The Living World
11 questions
Chapter 2: Biological Classification
12 questions
Chapter 3: Plant Kingdom
12 questions
Chapter 4: Animal Kingdom
15 questions
Chapter 5: Morphology of Flowering Plants
15 questions
Chapter 6: Anatomy of Flowering Plants
12 questions
Chapter 7: Structural Organization in Animals
14 questions
Chapter 8: Cell: The Unit of Life
14 questions
Chapter 9: Biomolecules
15 questions
Chapter 10: Cell Cycle and Cell Division
16 questions
Chapter 11: Transport in Plants
16 questions
Chapter 12: Mineral Nutrition
10 questions
Chapter 13: Photosysnthesis in Higher Plants
9 questions
Chapter 14: Respiration in Plants
12 questions
Chapter 15: Plant Growth and Development
11 questions
Chapter 16: Digestion and Absorption
15 questions
Chapter 17: Breathing and Exchange of Gases
14 questions
Chapter 18: Body Fluids and Circulation
14 questions
Chapter 19: Excretory Products and their Elimination
12 questions
Chapter 20: Locomotion and Movement
10 questions
Chapter 21: Neural Control and Coordination
12 questions
Chapter 22: Chemical Coordination and Integration
9 questions
Solving time: 3 mins
Define the following:
(a) Exocrine gland(b) Endocrine gland(c) Hormone
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Text solution
Verified
- These are ductless glands (no tube to carry to various parts).
- Their secretions are directly released into the blood which carries them to various parts of the body.
- The exocrine glands have ducts.
- The secretions from these glands are carried through the ducts.
- The ducts may open outside the body to release the secretions (e.g.sweat, milk) or may be released on to another surface within the body (e.g. Digestive juices)
- These are chemical messengers that regulate physiological processes in living organisms.
- They act upon specific cells/tissues/organs which are called target cells/tissues/organs.
- There are many types of hormones that act on different aspects of bodily functions and processes like growth and development.
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| Question Text | Define the following: (a) Exocrine gland(b) Endocrine gland (c) Hormone |
| Topic | Chemical Coordination and Integration |
| Subject | Biology |
| Class | Class 11 |
| Answer Type | Text solution:1 |
| Upvotes | 33 |
