Category: Class 11 Biology

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NCERT Solutions For Class 11 Biology Mineral Nutrition

NCERT Solutions For Class 11 Biology Mineral Nutrition Topics and Subtopics in NCERT Solutions for Class 11 Biology Chapter 12 Mineral Nutrition: NCRT TEXTBOOK QUESTIONS SOLVED 1.’All elements that are present in a plant need not be essential to its survival’. Comment. Soln. Most of the mineral elements present in the soil enter plants through roots…
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NCERT Solutions For Class 11 Biology Transport in Plants

NCERT Solutions For Class 11 Biology Transport in Plants Topics and Subtopics in NCERT Solutions for Class 11 Biology Chapter 11 Transport in Plants: NCRT TEXTBOOK QUESTIONS SOLVED 1.What are the factors affecting the rate of diffusion? Solution. Factors affecting the rate of diffusion are : Density – Rate of diffusion of a substance is inversely…
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NCERT Solutions For Class 11 Biology Cell Cycle and Cell Division

NCERT Solutions For Class 11 Biology Cell Cycle and Cell Division NCRT TEXTBOOK QUESTIONS SOLVED 1. What is the average cell cycle span for a mammalian cell? Solnution: 24 hours. 2. Distinguish cytokinesis from karyokinesis. Solnution: Differences between cytokinesis and karyokinesis are:   3. Describe the events taking place during interphase. Solnution: The interphase, though called the resting…
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NCERT Solutions For Class 11 Biology Biomolecules

NCERT Solutions For Class 11 Biology Biomolecules NCRT TEXTBOOK QUESTIONS SOLVED 1. What are macromolecules ? Give examples. Solution: Macromolecules are large high molecular weight substances with complex molecular structure and occur in colloidal state (being insoluble) in intracellular fluid. These are formed by polymerisation of large number of micromolecules. Polysaccharides, proteins and nucleic acids are…
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NCERT Solutions For Class 11 Biology Cell The Unit of Life

NCERT Solutions For Class 11 Biology Cell The Unit of Life NCRT TEXTBOOK QUESTIONS SOLVED 1.Which of the following is not correct? (a) Robert Brown discovered the cell. (b) Schleiden and Schwann formulated the cell theory. (c) Virchow explained that cells are formed from pre-existing cells. (d) A unicellular organism carries out its life activities…
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NCERT Solutions For Class 11 Biology Structural Organisation in Animals

NCERT Solutions For Class 11 Biology Structural Organisation in Animals Topics and Subtopics in NCERT Solutions for Class 11 Biology Chapter 7 Structural Organisation in Animals: NCRT TEXTBOOK QUESTIONS SOLVED 1. Answer in one word or one line. (i) Give the common name of Periplaneta americana. (ii) How many spermathecae are found in earthworm? (iii) What…
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NCERT Solutions For Class 11 Biology Anatomy of Flowering Plants

NCERT Solutions For Class 11 Biology Anatomy of Flowering Plants NCRT TEXTBOOK QUESTIONS SOLVED 1.State the location and function of different types of meristems. Soln. Meristems are of three types on the basis of their location in plant body: (i) Apical meristem: It is present at the apices of root and shoot and is responsible…
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NCERT Solutions For Class 11 Biology Morphology of Flowering Plants

NCERT Solutions For Class 11 Biology Morphology of Flowering Plants Topics and Subtopics in NCERT Solutions for Class 11 Biology Chapter 5 Morphology of Flowering Plants: NCRT TEXTBOOK QUESTIONS SOLVED 1.What is meant by modification of root? What type of modification of root is found in the: (a) Banyan tree (b) Turnip (c) Mangrove trees Soln.Roots…
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NCERT Solutions For Class 11 Biology Animal Kingdom

NCERT Solutions For Class 11 Biology Animal Kingdom NCRT TEXTBOOK QUESTIONS SOLVED 1.What are the difficulties that you would face in classification of animals, if common fundamental features are not taken into account? soln. The common fundamental features used for classifying animals include body symmetry, arrangement of cells, nature of coelom, level of organisation. Animal…
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NCERT Solutions For Class 11 Biology Biological Classification

NCERT Solutions For Class 11 Biology Biological Classification NCRT TEXT BOOK QUESTIONS SOLVED 1.Discuss how classification systems have undergone several changes over a period of time? Soln. Biological classification is the scientific procedure of arranging organisms in a hierarchical series of groups and sub-groups on the basis of their similarities and dissimilarities. Scientists have proposed…
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