Category: NCERT Solutions for Class 11 Biology

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NCERT Solutions For Class 11 Business Studies Emerging Modes of Business

NCERT Solutions For Class 11 Business Studies Emerging Modes of Business TEXTBOOK QUESTIONS SOLVED I.Multiple Choice Questions Tick mark (✓) the most appropriate answer to the following questions: Question 1. e-commerce does not include: (а) A business’s interactions with its suppliers (b) A business’s interactions with its customers (c) Interactions among the various departments within…
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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…
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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…
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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…
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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.…
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NCERT Solutions For Class 11 Biology Body Fluids and Circulation

NCERT Solutions For Class 11 Biology 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. Solution: Blood corpuscles are the formed ele-ments in the blood, they constitute 45% of the blood. Formed elements are – (erythrocytes,…
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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 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 after a forced expiration or the maximum volume of air a person can breathe out after…
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NCERT Solutions For Class 11 Biology Digestion and Absorption

NCERT Solutions For Class 11 Biology 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 (iv) trypsin, pepsin and rennin. (b) Succus entericus is the name given to (i)…
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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…
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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 :…
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