Class 11 Biology Transport in Plants MCQs and Answers

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Class 11 Biology Transport in Plants MCQs and Answers FREE PDF Download

1 Path of water movement from soil to xylem is
(A) Soil – root hair- cortex-pericycle- endodermis- metaxylem-protoxylem
(B) Soil – root hair-cortex-endodermis-pericycle- protoxylem-metaxylem
(C) Soil- root hair-epidermis-phloem-xylem
(D) Soil- root hair- epidermis-cortex-xylem- phloem

Answer: Soil – root hair-cortex-endodermis-pericycle- protoxylem-metaxylem
2 Stomatal opening is under the control of _____________
(A) Epidermal cells
(B) Subsidiary cells
(C) Guard cells
(D) Mesophyll cells

Answer: Guard cells
3 Ascent of sap is __________
(A) Upward movement of organic matter in plants
(B) Downward movement of organic matter in plants
(C) Downward movement of water in plants
(D) Upward movement of water in plants

Answer: Upward movement of water in plants
4 Hydathodes are associated with _________
(A) Guttation
(B) Transpiration
(C) Respiration
(D) Transportation

Answer: Guttation
5 The process of guttation takes place when _________
(A) The root pressure is high and the rate of transpiration is low
(B) The root pressure is low and the rate of transpiration is high
(C) The root pressure equals the rate of transpiration
(D) The root pressure as well as the rate of transpiration is high

Answer: The root pressure is high and the rate of transpiration is low
6 The element involved in the opening and closing of stomata is
(A) Chlorine
(B) Sodium
(C) Potassium
(D) Calcium

7 Phloem sap is mainly made of ____________
(A) Water and sucrose
(B) Water and glucose
(C) Water and starch
(D) Water and fructose

Answer:Water and sucrose
8 The following type of guard cells are found in ______________
(A) Dicots
(B) Monocots
(C) Gymnosperms
(D) Ferns

9 Which one of the following is a driving force for the process of passive absorption of water in roots?
(A) Activity of aquaporins
(B) Increase in imbibition pressure in root cells
(C) Root pressure
(D) Transpiration pull

Answer: Transpiration pull
10 Which elements are readily mobilized in plants?
(A) S,N,Mo
(B) S,N,P
(C) S,N,B
(D) S,Mn,Mo

Answer: S,N,P

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Class 11 Biology Questions and AnswersClass 12 Biology Questions and Answers
Chapter 1: The Living WorldChapter 1: Reproduction in Organisms
Chapter 2: Biological ClassificationChapter 2: Sexual Reproduction in Flowering Plants
Chapter 3: Plant KingdomChapter 3: Human Reproduction
Chapter 4: Animal KingdomChapter 4: Reproductive Health
Chapter 5: Morphology of Flowering PlantsChapter 5: Principles of Inheritance and Variation
Chapter 6: Anatomy of Flowering PlantsChapter 6: Molecular Basis of Inheritance
Chapter 7: Structural Organisation in AnimalsChapter 7: Evolution
Chapter 8: Cell The Unit of LifeChapter 8: Human Health and Disease
Chapter 9: BiomoleculesChapter 9: Strategies for Enhancement in Food Production
Chapter 10: Cell Cycle and Cell DivisionChapter 10: Microbes in Human Welfare
Chapter 11: Transport in PlantsChapter 11: Biotechnology:Principles And Processes
Chapter 12: Mineral NutritionChapter 12: Biotechnology and its Applications
Chapter 13: Photosynthesis in Higher PlantsChapter 13: Organisms and Populations
Chapter 14: Respiration in PlantsChapter 14: Ecosystem
Chapter 15: Plant Growth and DevelopmentChapter 15: Biodiversity and Conservation
Chapter 16: Digestion and AbsorptionChapter 16: Environmental Issues
Chapter 17: Breathing and Exchange of Gases 
Chapter 18: Body Fluids and Circulation 
Chapter 19: Excretory Products and their Elimination 
Chapter 20: Locomotion and Movement 
Chapter 21: Neural Control and Coordination 
Chapter 22: Chemical Coordination and Integration