{"id":17931,"date":"2021-02-05T10:12:59","date_gmt":"2021-02-05T04:42:59","guid":{"rendered":"https:\/\/mcqbooks.com\/?p=17931"},"modified":"2021-09-28T10:58:39","modified_gmt":"2021-09-28T05:28:39","slug":"mcq-questions-for-class-11-biology-chapter-11","status":"publish","type":"post","link":"https:\/\/mcqbooks.com\/mcq-questions-for-class-11-biology-chapter-11\/","title":{"rendered":"MCQ Questions for Class 11 Biology Chapter 11 Transport in Plants with Answers"},"content":{"rendered":"

Do you need some help in preparing for your upcoming Class 11 Biology exam? We’ve compiled a list of MCQ questions on Transport in Plants Class 11 MCQs Questions with Answers to get you started with the subject. Practice NCERT MCQ Questions for Class 11 Biology Chapter 11 Transport in Plants with Answers Pdf free download, and learn how smart students prepare well ahead MCQ Questions for Class 11 Biology with Answers<\/a>.\u00a0<\/span><\/p>\n

Transport in Plants Class 11 MCQs Questions with Answers<\/h2>\n

Solving Transport in Plants Multiple Choice Questions of Class 11 Biology Chapter 11 MCQ can be really beneficial because you will be familiar with all of the topics. These MCQ Questions on Transport in Plants Class 11 with answers provide for a quick review of the Chapter, allowing you to have a better understanding of the subject.<\/p>\n

I. Select the correct answer from the following Questions:<\/span><\/p>\n

Question 1.
\nThe movement of molecules of solids, liquids and gases from the region of their higher concentration or kinetic energy through semi- permeable membrane to the region of lower concentration or kinetic energy is termed as
\n(a) Imbibition
\n(b) Diffusion
\n(c) Osmosis
\n(d) All of these<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (b) Diffusion<\/p>\n<\/details>\n

\n

Question 2.
\nThe phenomenon of absorption of water or any other liquid by the soil particles of a colloidal substance without forming a solution is called
\n(a) Imbibition
\n(b) Diffusion
\n(c) Osmosis
\n(d) None of these<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (a) Imbibition.<\/p>\n<\/details>\n

\n

Question 3.
\nIn a fully turgid cell turgor pressure (T.P.) is equal to
\n(a) Osmotic pressure
\n(b) Diffusion pressure deficit
\n(c) Wall pressure
\n(d) None of these.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (a) Osmotic pressure.<\/p>\n<\/details>\n

\n

Question 4.
\nThe contraction of the protoplast due to exosmosis when the cell is placed in hypertonic solution is called
\n(a) Deplasmolysis
\n(b) Plasmolysis
\n(c) Both (a) and (b)
\n(d) None of these.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (b) Plasmolysis.<\/p>\n<\/details>\n

\n

Question 5.
\nIf turgidity of a cell surrounded by water increases, the wall pressure will
\n(a) Decrease
\n(b) Increase
\n(c) Fluctuate
\n(d) Remain unchanged.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (b) Increase.<\/p>\n<\/details>\n

\n

Question 6.
\nPositive pressure developed in tracheary elements of the root as a result of metabolic activities of the root of plant for pushing the water upwards through xvlem into the shoot system is termed
\n(a) Diffusion pressure
\n(b) Osmotic pressure
\n(c) Turgor pressure
\n(d) Root pressure.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (d) Root pressure.<\/p>\n<\/details>\n

\n

Question 7.
\nGuttation in plants is regulated by
\n(a) Humidity
\n(b) Availability of water in soil
\n(c) Temperature
\n(d) AH of these.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (d) All of these.<\/p>\n<\/details>\n

\n

Question 8.
\nThe conducting tissue which takes part in the path of ascent of sap is
\n(a) xylem
\n(b) phloem
\n(c) Both (a) and (b)
\n(d) None of these.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (a) xylem.<\/p>\n<\/details>\n

\n

Question 9.
\nWater potential in the leaf cells is positive during:
\n(a) Guttation
\n(b) Low transpiration
\n(c) Excessive transpiration
\n(d) Excessive absorption.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (d) Excessive absorption.<\/p>\n<\/details>\n

\n

Question 10.
\nStomata are mainly concerned with
\n(a) Transpiration
\n(b) Gaseous exchange
\n(c) Both (a) and (b)
\n(d) none of these.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (c) both (a) and (b).<\/p>\n<\/details>\n

\n

Question 11.
\nStomata open during day and close during night under inesophytic conditions in type.
\n(a) Leucerne
\n(b) Patato
\n(c) Cereal
\n(d) Barley<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (a) Leuceme<\/p>\n<\/details>\n

\n

Question 12.
\nRate of transpiration depends upon
\n(a) Increase or decrease of atmospheric temperature
\n(b) Increase in light intensity upto certain limit.
\n(c) Difference in vapour pressure of intercellular spaces of mesophyll tissue and atmospheric air.
\n(d) All of these<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (d) All of these.<\/p>\n<\/details>\n

\n

Question 13.
\nThe direction and rate of water movement from cell to cell is based on:
\n(a) Wall pressure
\n(b) Turgor pressure
\n(c) Incipient plasmolysis
\n(d) Diffusion pressure deficit.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (d) Diffusion pressure deficit.<\/p>\n<\/details>\n

\n

Question 14.
\nPassive of water from one cell to another is controlled by:
\n(a) Wall pressure
\n(b) Diffusion pressure deficit
\n(c) Hydrostatic pressure
\n(d) Osmotic pressure.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (b) Diffusion pressure deficit.<\/p>\n<\/details>\n

\n

Question 15.
\nImbibition involves:
\n(a) Capillary
\n(b) Diffusion
\n(c) Osmosis
\n(d) Both (a) and (b)<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (d) Both (a) and (b).<\/p>\n<\/details>\n

\n

Question 16.
\nEntry of water from soil to xylem is through:
\n(a) Gradient of ion concentration
\n(b) Gradient of suction pressure
\n(c) Gradient of imbibition
\n(d) Gradient of turgor pressure.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (b) Gradient of suction pressure.<\/p>\n<\/details>\n

\n

Question 17.
\nPlasmolysis occurs due to:
\n(a) Osmosis
\n(b) Endosmosis
\n(c) Exomosis
\n(d) Absorption<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (c) Exomosis.<\/p>\n<\/details>\n

\n

Question 18.
\nWhich one of the following helps in holding the leaves position and soft stems to stay erect.
\n(a) Transpiration
\n(b) Turgidity of cells.
\n(c) Rigidity of the cell wall
\n(d) stomatal cells.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (b) Turgidity of cells.<\/p>\n<\/details>\n

\n

Question 19.
\nStomata open when the guard cells have:
\n(a) Less K+
\n(b) More K+
\n(c) More abscisic add
\n(d) AH of those.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (b) More Ki+<\/p>\n<\/details>\n

\n

II. Fill in the blanks<\/span><\/p>\n

Question 1.
\nTransport over longer distances proceeds through the vascular system and is called ………….<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: translocation<\/p>\n<\/details>\n

\n

Question 2.
\n…………. is very important to plants since it the only means for gaseous movement within the plant body.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: Diffusion<\/p>\n<\/details>\n

\n

Question 3.
\nWater ehannels-made up of 8 different types of ………….<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: aquaporins<\/p>\n<\/details>\n

\n

Question 4.
\nWater is essential for all ………… activities of the plant and plays a very important role in all living organisms.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: physiological<\/p>\n<\/details>\n

\n

Question 5.
\n…………. and …………. are the two main components that determine water potential.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: Solute potential, pressure potential<\/p>\n<\/details>\n

\n

Question 6.
\nPressure potential is usually positive, though in plants negative potential or tension in the water column in the xylem plays a major role in water …………… up a stem.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: transport<\/p>\n<\/details>\n

\n

Question 7.
\n………. occurs spontaneously in response to a driving force.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: Osmosis<\/p>\n<\/details>\n

\n

Question 8.
\nIf the external solution balances the osmotic pressure of the cytoplasm it is said to be …………<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: isotonic<\/p>\n<\/details>\n

\n

Question 9.
\nWater and minerals and food are generally moved by a ……….. or ………… system.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: mass, bulk flow<\/p>\n<\/details>\n

\n

Question 10.
\nThe …………. movement of water occurs exclusively through the intercellular spaces and the walls of the cells.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: apoplastic<\/p>\n<\/details>\n

\n

Question 11.
\nThe ………… system is the system of interconnected protoplasts.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: symplastic<\/p>\n<\/details>\n

\n

Question 12.
\n…………. can only provide a modest push in the overall process of water transport.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: Root pressure<\/p>\n<\/details>\n

\n

Question 13.
\nCreates transpiration pull for ………….. and ………….. of plants.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: absorption, transport<\/p>\n<\/details>\n

\n

Question 14.
\nIons are absorbed from the soil by both ………… and ………… transport.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: passive, active<\/p>\n<\/details>\n

\n

Question 15.
\nPhloem tissue is composed of ………….. which form long columns with holes in their end walls called sieve plates<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: sieve tube cells<\/p>\n<\/details>\n

\n

III. Mark the statement true (T) or false (F)<\/span><\/p>\n

Question 1.
\nTransport over longer distances proceeds through the vascular system (the xylem and the phloem) and is called transpiration.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: False.<\/p>\n<\/details>\n

\n

Question 2.
\nDiffusion rates are affected by the gradient of concentration, the permeability of the membrane separating them, temperature and pressure.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: True.<\/p>\n<\/details>\n

\n

Question 3.
\nSome channels are always open; others can be controlled. Some are large, allowing a variety of molecules to cross.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: True.<\/p>\n<\/details>\n

\n

Question 4.
\nWhen a molecule moves across a membrane independent of other molecules, the process is called uniport.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: True.<\/p>\n<\/details>\n

\n

Question 5.
\nA seed may appear dry but it still has water-otherwise it would not be alive and respiring.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: True.<\/p>\n<\/details>\n

\n

Question 6.
\nWater potential is denoted by the greek symbol psi or \u03c8 and is expressed in pressure units such as pascals (Pa).<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: True.<\/p>\n<\/details>\n

\n

Question 7.
\nPressure can build up in a plant system when water enters a plant cell due to diffusion causing a pressure build up against the cell wall, it makes the cell turgid; this increases the pressure potential.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: True.<\/p>\n<\/details>\n

\n

Question 8.
\nThe net direction and rate of osmosis depends on both the pressure gradient and concentration gradient.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: True.<\/p>\n<\/details>\n

\n

Question 9.
\nIf the external solution balances the osmotic pressure of the cytoplasm it is said to be hypotonic.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: False.<\/p>\n<\/details>\n

\n

Question 10.
\nWater diffuses into the cell causing the cytoplasm to build up a pressure against the wall, that is called turgor pressure.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: True.<\/p>\n<\/details>\n

\n

Question 11.
\nImbibition is a special type of diffusion when water is absorbed by solids-colloids-causing them to enormously increase in volume.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: True.<\/p>\n<\/details>\n

\n

Question 12.
\nThe svmplast is the system of adjacent cell walls that is continuous throughout the plant, except at the apoplast strips of the endodermis in the roots.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: False<\/p>\n<\/details>\n

\n

Question 13.
\nThe cortex is impervious to water because of a band of suberised matrix called the endodermis strip.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: False.<\/p>\n<\/details>\n

\n

Question 14.
\nWater is transient in plants. Less than 1% of the water reaching the leaves is used in photosynthesis and plant growth.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: True.<\/p>\n<\/details>\n

\n

Question 15.
\nSurface Tension- attraction of water molecules to polar surfaces (such as the surface of tracheary elements).<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: False.<\/p>\n<\/details>\n

\n

IV. Match the items of column I with the items of column II<\/span><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Column I<\/td>\nColumn II<\/td>\n<\/tr>\n
(a) Pholem is responsible for<\/td>\n1. is not dependent on a ‘living system’.<\/td>\n<\/tr>\n
(b) Diffusion is a slow process and<\/td>\n2. facilitated diffusion.<\/td>\n<\/tr>\n
(c) In an antiport, they move in<\/td>\n3. transport of food (primarily) sucrose from the source to the sink.<\/td>\n<\/tr>\n
(d) Water potential is a concept<\/td>\n4. opposite directions.<\/td>\n<\/tr>\n
(e) Solute potential and pressure potential<\/td>\n5. are the two main components that determine water potential.<\/td>\n<\/tr>\n
(f) The net direction and rate of<\/td>\n6. fundamental to understanding water movements.<\/td>\n<\/tr>\n
(g) Membrane proteins provide sites at which such molecules cross the membrane.<\/td>\n7. Osmosis depends on both the pressure gradient and concentration gradient.<\/td>\n<\/tr>\n
(h) Cells swell in hypotonic solutions<\/td>\n8. the cytoplasm to build up a pressure against the wall, that is called turgor pressure.<\/td>\n<\/tr>\n
(i) Water diffuses into the cell causing<\/td>\n9. casparian strips of the endodermis in the roots.<\/td>\n<\/tr>\n
(j) The symplastic system is the<\/td>\n10. and shrink in hypertonic ones.<\/td>\n<\/tr>\n
(k) A mycorrhiza is symbiotic<\/td>\n11. a modest push in the overall process of water transport.<\/td>\n<\/tr>\n
(l) Root pressure can at best only provide<\/td>\n12. system of interconnected protoplasts.<\/td>\n<\/tr>\n
(m) In plants capillarity is aided by the direction of movement in the<\/td>\n13. association of a fungus with a root system.<\/td>\n<\/tr>\n
(n) Phloem can be upwards or<\/td>\n14. i.e. bi-directional.<\/td>\n<\/tr>\n
(o) The apoplast is the system of adjacent cell walls that is continuous throughout the plant, except at the<\/td>\n15. the small diameter of the tracheary elements the tracheids and vessel elements<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\nAnswer<\/span><\/summary>\n

Answer:<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Column I<\/td>\nColumn II<\/td>\n<\/tr>\n
(a) Pholem is responsible for<\/td>\n3. transport of food (primarily) sucrose from the source to the sink.<\/td>\n<\/tr>\n
(b) Diffusion is a slow process and<\/td>\n1. is not dependent on a ‘living system’.<\/td>\n<\/tr>\n
(c) In an antiport, they move in<\/td>\n4. opposite directions.<\/td>\n<\/tr>\n
(d) Water potential is a concept<\/td>\n6. fundamental to understanding water movements.<\/td>\n<\/tr>\n
(e) Solute potential and pressure potential<\/td>\n5. are the two main components that determine water potential.<\/td>\n<\/tr>\n
(f) The net direction and rate of<\/td>\n7. Osmosis depends on both the pressure gradient and concentration gradient.<\/td>\n<\/tr>\n
(g) Membrane proteins provide sites at which such molecules cross the membrane.<\/td>\n2. facilitated diffusion.<\/td>\n<\/tr>\n
(h) Cells swell in hypotonic solutions<\/td>\n10. and shrink in hypertonic ones.<\/td>\n<\/tr>\n
(i) Water diffuses into the cell causing<\/td>\n8. the cytoplasm to build up a pressure against the wall, that is called turgor pressure.<\/td>\n<\/tr>\n
(j) The symplastic system is the<\/td>\n12. system of interconnected protoplasts.<\/td>\n<\/tr>\n
(k) A mycorrhiza is symbiotic<\/td>\n13. association of a fungus with a root system.<\/td>\n<\/tr>\n
(l) Root pressure can at best only provide<\/td>\n11. a modest push in the overall process of water transport.<\/td>\n<\/tr>\n
(m) In plants capillarity is aided by the direction of movement in the<\/td>\n15. the small diameter of the tracheary elements the tracheids and vessel elements<\/td>\n<\/tr>\n
(n) Phloem can be upwards or<\/td>\n14. i.e. bi-directional.<\/td>\n<\/tr>\n
(o) The apoplast is the system of adjacent cell walls that is continuous throughout the plant, except at the<\/td>\n9. casparian strips of the endodermis in the roots.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/details>\n
\n

We hope you found this CBSE Class 11 Biology Transport in Plants MCQs Multiple Choice Questions with Answers helpful. If you have any questions about NCERT MCQ Questions for Class 11 Biology Chapter 11 Transport in Plants with Answers Pdf free download, please share them in the comment box below and we will get back to you at the earliest possible time.\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

Do you need some help in preparing for your upcoming Class 11 Biology exam? We’ve compiled a list of MCQ questions on Transport in Plants Class 11 MCQs Questions with Answers to get you started with the subject. Practice NCERT MCQ Questions for Class 11 Biology Chapter 11 Transport in Plants with Answers Pdf free … Read more<\/a><\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":""},"categories":[35],"tags":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/mcqbooks.com\/wp-json\/wp\/v2\/posts\/17931"}],"collection":[{"href":"https:\/\/mcqbooks.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mcqbooks.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mcqbooks.com\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/mcqbooks.com\/wp-json\/wp\/v2\/comments?post=17931"}],"version-history":[{"count":0,"href":"https:\/\/mcqbooks.com\/wp-json\/wp\/v2\/posts\/17931\/revisions"}],"wp:attachment":[{"href":"https:\/\/mcqbooks.com\/wp-json\/wp\/v2\/media?parent=17931"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mcqbooks.com\/wp-json\/wp\/v2\/categories?post=17931"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mcqbooks.com\/wp-json\/wp\/v2\/tags?post=17931"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}