CBSE Class 11 Biology Transport In Plants Worksheet

Read and download free pdf of CBSE Class 11 Biology Transport In Plants Worksheet. Students and teachers of Class 11 Biology can get free printable Worksheets for Class 11 Biology Chapter 11 Transport in Plants in PDF format prepared as per the latest syllabus and examination pattern in your schools. Class 11 students should practice questions and answers given here for Biology in Class 11 which will help them to improve your knowledge of all important chapters and its topics. Students should also download free pdf of Class 11 Biology Worksheets prepared by school teachers as per the latest NCERT, CBSE, KVS books and syllabus issued this academic year and solve important problems with solutions on daily basis to get more score in school exams and tests

Worksheet for Class 11 Biology Chapter 11 Transport in Plants

Class 11 Biology students should refer to the following printable worksheet in Pdf for Chapter 11 Transport in Plants in Class 11. This test paper with questions and answers for Class 11 will be very useful for exams and help you to score good marks

Class 11 Biology Worksheet for Chapter 11 Transport in Plants

Transport In Plants MCQ Questions with Answers Class 11 Biology

Question- Guard cells help in

(a) protection against grazing

(b) transpiration

(c) guttation

(d) fighting against infection

Answer-(b)

 

Question-  In root endodermis there is one way active transport of ions because of presence of

(a) pericycle

(b) suberin layer

(c) cortex

(d) cellulosic layer

Answer-(b)

 

Question- Which of the following pairs of the cell structures are important for determining the movement of molecules in or out of the plant cell?

(a) Tonoplast + Vacuolar membrane

(b) Tonoplast + Cell membrane

(c) Cell wall + Cell membrane

(d) Cell wall + Tonoplasts

Answer-(c)

 

Question- During fruit development, photosynthesizing leaves would be the __________ and the fruit would be __________

(a) sink, sink

(b) source, source

(c) sink, source

(d) source, sink

Answer-(d)

 

Question- Casparian strip is made up of

(a) lignin

(b) pectin

(c) suberin

(d) cellulose

Answer-(c)

 

Question-  Bidirectional translocation of minerals takes place in

(a) xylem

(b) phloem

(c) parenchyma

(d) cambium

Answer-(b)

 

Question-  Which of the following wall of guard cells is thick?

(a) Side wall

(b) Middle wall

(c) Inner

(d) Outer

Answer-(c)

 

Question- When a cell is plasmolysed, it becomes

(a) flaccid and its TP becomes zero.

(b) turgid and its TP becomes zero.

(c) turgid and TP becomes equal to OP.

(d) flaccid and DPD becomes zero.

Answer-(a)

 

Question- The process of loading at the source produces a_________. condition in the phloem.

(a) hypertonic

(b) isotonic

(c) hypotonic

(d) hydroponic

Answer-(a)

 

Question- A cell swells up when kept in

(a) hypotonic solution

(b) hypertonic solution

(c) isotonic solution

(d) any of the three

Answer-(a)

 

Question- Guttation is loss of impure water which is the result of

(a) osmosis

(b) diffusion

(c) root pressure

(d) transpiration

Answer-(c)

 

Question- Bulk flow of substances over the longer distances through the vascular tissue is called

(a) simple diffusion

(b) facilitated diffusion

(c) active transport

(d) translocation

Answer-(d)

 

Question- Translocation of food in flowering plants occurs in the form of

(a) starch

(b) glyceraldehyde

(c) glucose

(d) sucrose

Answer-(d)

 

Question- Movement that is aided by cytoplasmic streaming and occurs from cell to cell through plasmodesmata is called________.

(a) apoplast

(b) symplast

(c) active transport

(d) translocation

Answer-(b)

 

20. When a root absorbes minerals from a region of lower concentration to a region of higher concentration, and need energy then this type of absorption is called

(a) passive absorption

(b) facilitated diffusion

(c) active absorption

(d) osmosis

Answer-(c)

 

Question- Which of the following organism helps in the absorption of water and mineral ions from the soil?

(a) Nostoc

(b) Anabaena

(c) Mycorrhiza

(d) Spirullina

Answer-(c)

 

Question- The hypothesis accepted for the translocation of sugar from source to sink is__________.

(a) pressure gradient

(b) pressure flow hypothesis

(c) mass flow hypothesis

(d) both (b) and (c)

Answer-(d)

 

Question- The process in which water moves out of the cell and the cell membrane of a plant cell shrinks away from its cell wall is known as

(a) diffusion

(b) osmosis

(c) plasmolysis

(d) bulk flow

Answer-(c)

 

Question- A pressure that is responsible for pushing up water to small height in the stem is called

(a) positive root pressure

(b) turgor pressure

(c) pressure gradient

(d) negative root pressure

Answer-(a)

 

Question- Seed increase in its volume by the absorption of water through

(a) osmosis

(b) diffusion

(c) imbibition

(d) plasmolysis

Answer-(c)

 

Question- Which of the following is the most acceptable theory for movement of water through plants?

(a) Cohesion theory

(b) Passive transport

(c) Root pressure

(d) Capillarity

Answer-(a)

 

Question- Sinks are related to

(a) transport of minerals

(b) stomata

(c) hydathodes

(d) phytochrome

Answer-(a)

 

Question- In a fully turgid cell

(a) ys will be negative and yp will be positive.

(b) yp will be negative and ys will be positive.

(c) Both yp and ys will be positive.

(d) Both ys and yp will be negative.

Answer-(a)

 

Question-  _______is mainly water and sucrose, but other sugars,hormones and amino acids are also _______ through phloem.

(a) xylem sap, loaded

(b) phloem sap, translocated

(c) xylem sap, translocated

(d) phloem sap, loaded

Answer-(b)

 

Question- At which cell layer, water movement through the apoplast pathway is restricted and is facilitated towards symplast pathway?

(a) Cortex

(b) Pericycle

(c) Epidermis

(d) Endodermis

Answer-(d)

 

Question- Phloem tissue is composed of sieve tube cells, which form long columns with holes in their end walls called ______.

(a) tracheids

(b) sieve elements

(c) sieve plate

(d) companion cell

Answer-(c)

 

Question- Phenomenon of plasmolysis occurs when

(a) cells are kept in hypertonic solution.

(b) cells are kept in hypotonic solution.

(c) cells are kept in hypotonic solution.

(d) none of the above.

Answer-(a)

 

Question- The force responsible for upward conduction of water against gravity comes from _______.

(a) transpiration

(b) translocation

(c) respiration

(d) photosynthesis

Answer-(a)

 

Question- Water in the adjacent xylem moves into the phloem by the process of

(a) facilitated diffusion

(b) acute transport

(c) simple diffusion

(d) osmosis

Answer-(d)

 

Question- The process by which water is absorbed by solids like colloids causing them to increase in volume is called_______.

(a) osmosis

(b) plasmolysis

(c) imbibition

(d) diffusion

Answer-(c)

 

More Question

1. What is translocation? How is movement of minerals different from movement of organic nutrients in plants?

2. (a) Define diffusion. Give its salient features
(b) Give the factors which affect diffusion.

3. What is facilitated diffusion? Give its features alongwith the diagram.

4. What are porins? What are aquaporins?

5. Explain uniport, antiport, symport with help of diagrams.

6. Explain active transport. What are the factors affecting this type of transport across cell membrane?

7. Compare simple diffusion, facilitated diffusion & active transport.

8. Briefly describe water potential. What are the factors affecting it?

9. Explain why pure water has maximum water potential.

10. Why is solute potential always negative?

11. Represent symbolically the relationship between w, s,p.

12. In plant cell which membranes are determinants for the movement of molecules in & out of cell?

13. Define osmosis. What are the factors on which rate of osmosis depends on?

14. (a) Describe the experiment for demonstration of osmosis. (Thistle funnel experiment)
(b) What is external pressure? What happens when a pressure greater than the atmospheric pressure is applied to pure water or a solution?

15. Define isotonic, hypotonic & hypertonic solutions.

16. (a) With help of well labelled diagrams, describe the process of plasmolysis in plants, giving appropriate examples.
(b) What happens to a plant cell when it is kept in isotonic & hypotonic solutions?

17. Why do wooden doors swell during rainy seasons? Explain the phenomenon behind it.

18. What are the factors affecting imbibitions? Give its use in plants.

19. What is mass flow system of transport of substances? How is bulk flow achieved?

20. (a) What are the distinct pathways for movement of water & ions into the root layers?
(b) Why are water molecules unable to cross endodermis of root? Name the substance present in endodermis which prevents apoplastic movement of water.
(c) What are apoplastic & symplastic pathway? Explain.

21. How is mycorrhizal association helpful in absorption of water & minerals in plants?

22. What is root pressure?

23. Explain guttation.

24. Why is root pressure theory for ascent of sap not accepted widely?

25. Describe transcription pull model of water transport in plants. What factors affect transpiration? How is it useful to plants?

26. What causes opening & closing of guard cells of stomata during transpiration?

27. Which are the physical properties of water on which transpiration driven ascent of xylem sap depend on?

28. Draw labelled diagram showing water movement in the leaf.

29. “Transpiration & photosynthesis” a compromise. Justify this statement.

30. Explain the mechanism by which mineral ions are taken up into root cells from soil.

31. Name the chief sinks for mineral elements in plants.

32. Name the elements which are remobilised & element which is not remobilised in plants.

33. Explain why xylem transport is unidirectional & phloem transport bi-directional.
Explain pressure flow hypothesis of translocation of sugars in plants.

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