Category: Class 11 Biology

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NCERT Solutions For Class 11 Biology Chemical Coordination and Integration

NCERT Solutions For Class 11 Biology Chemical Coordination and Integration NCERT TEXTBOOK QUESTIONS FROM SOLVED 1. Define the following: (a) Exocrine gland, (b) Endocrine gland, (c) Hormone. Solution: (a) Exocrine gland is a gland that pours its secretion on the surface or into a particular region by means of ducts for performing a metabolic activity,…
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NCERT Solutions For Class 11 Biology Neural Control and Coordination

NCERT Solutions For Class 11 Biology Neural Control and Coordination NCERT TEXTBOOK QUESTIONS FROM SOLVED 1. Briefly describe the structure of the following: (a) Brain (b) Eye (c) Ear Solution: (a) Brain: The brain acts as control and command system of the body. It is protected by skull and is covered by three meninges. It is…
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NCERT Solutions For Class 11 Biology Locomotion and Movement

NCERT Solutions For Class 11 Biology Locomotion and Movement   NCERT TEXTBOOK QUESTIONS FROM SOLVED 1. Draw the diagram of a sarcomere of skeletal muscle showing different regions. Solution:  2. Define sliding filament theory of muscle contraction. Solution: According to sliding filament theory of muscle contraction, the actin and myosin filaments slide past each other with…
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NCERT Solutions For Class 11 Biology Excretory Products and their Elimination

NCERT Solutions For Class 11 Biology Excretory Products and their Elimination NCERT TEXTBOOK QUESTIONS FROM SOLVED 1.Define Glomerular Filtration Rate (GFR). Solution. The amount of filtrate formed by the kidneys per minute is called glomerular filtration rate (GFR). It is approximately 125 mL/min. in a healthy person. 2.Explain the autoregulatory mechanism of GFR. Solution. The…
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NCERT Solutions For Class 11 Biology Body Fluids and Circulation

NCERT Solutions For Class 11 Biology Body Fluids and Circulation Topics and Subtopics in NCERT Solutions for Class 11 Biology Chapter 18 Body Fluids and Circulation: NCERT TEXTBOOK QUESTIONS FROM SOLVED 1. Name the components of the formed elements in the blood and mention one major function of each of them. Solutlion: Blood corpuscles are the formed…
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NCERT Solutions For Class 11 Biology Breathing and Exchange of Gases

NCERT Solutions For Class 11 Biology Breathing and Exchange of Gases Topics and Subtopics in NCERT Solutions for Class 11 Biology Chapter 17 Breathing and Exchange of Gases: NCERT TEXTBOOK QUESTIONS FROM SOLVED 1. Define vital capacity. What is its significance? Solution: Vital capacity is defined as the maximum volume of air a person can breathe in…
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NCERT Solutions For Class 11 Biology Digestion and Absorption

NCERT Solutions For Class 11 Biology Digestion and Absorption Topics and Subtopics in NCERT Solutions for Class 11 Biology Chapter 16 Digestion and Absorption: NCERT TEXTBOOK QUESTIONS FROM SOLVED 1. Choose the correct answer among the following: (a) Gastric juice contains (i) pepsin, lipase and rennin (ii) trypsin, lipase and rennin (iii) trypsin, pepsin and lipase…
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NCERT Solutions For Class 11 Biology Plant Growth and Development

NCERT Solutions For Class 11 Biology Plant Growth and Development NCERT TEXTBOOK QUESTIONS FROM SOLVED 1. Define growth, differentiation, development, dedifferentiation, redifferentiation, determinate growth, meristem and growth rate. Solution: Growth is defined as a vital process which brings about an irreversible and permanent change in the shape, size, form, weight and volume of a cell, organ or…
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NCERT Solutions For Class 11 Biology Respiration in Plants

NCERT Solutions For Class 11 Biology Respiration in Plants NCERT TEXTBOOK QUESTIONS FROM SOLVED 1. Give the schematic representation of an overall view of Krebs’ cycle. Solution:  2. Differentiate between (a) Respiration and Combustion (b) Glycolysis and Krebs’cycle (c) Aerobic respiration and Fermentation Solution: (a) Differences between respiration and combustion are as follows : (b) Differences…
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NCERT Solutions For Class 11 Biology Photosynthesis in Higher Plants

NCERT Solutions For Class 11 Biology Photosynthesis in Higher Plants Topics and Subtopics in NCERT Solutions for Class 11 Biology Chapter 13 Photosynthesis in Higher Plants: NCRT TEXTBOOK QUESTIONS SOLVED 1. By looking at a plant externally can you tell whether a plant is C3 or C4 ? Why and how? Solution: It is not possible to distinguish…
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