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Plasmodesmata are...

Plasmodesmata are

A

Locomotory structures

B

Membranes connecting the nucleus with plasmalemma

C

Connections between adjacent cells

D

Lignified cemented layers between cells

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The correct Answer is:
C
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Plasmodesmata were discovered and named by

Plasmodesmata often has ER (endoplasmic reticulum) tubule called as (a) Symplasm (b) Desmotubule (c) Apoplasm (d) Intermediate filaments

Read the following statements: I. Eukaryotic cell walls contain peptidoglycans in addition to cellulose. II. Plasmodesmata and centrioles are found in all plant cells. III. Plant cell contains 80s ribosomes which they use to manufacture proteins. Iv. Amyloplasts are a type of plastids found in a plant cell that help so store carbohydrates. Identify the statements that are INCORRECT regarding plant cell.

What are plasmodesmata and what is their role?

Term plasmodesmata was first used by

Plasmodesmata connections help in movement of substances between cells. They form

Plasmodesmata maintains cell-to-cell cytoplasmic connection, and is quite common in (a) Parenchyma (b) Collenchyma (c) Sclereids (d) Sclerenchyma fibers

Two animal cells are interconnected by (a) Plasmodesmata (b) Cell wall (c) Desmosome (d) Plasma membrane

Each of the following terms has some anatomical significance. What do these terms mean ? Explain with the help of line diagrams (a) Plasmadesmoses/Plasmodesmata (b) Middle lamella (c) Secondary wall

Assertion : Sclerenchyma cells do not have plasmodesmata. Reason : The cell walls of some permanent tissues are heavily lignified.

AAKASH INSTITUTE ENGLISH-CELL:THE UNIT OF LIFE -Assignment (section-C) ( Previous Year Qusetion)
  1. The plasma membrane consists mainly of

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  2. Identify the components labelled A, B, C and D in the diagram ...

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  3. Plasmodesmata are

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  4. Middle lamella is composed mainly of

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  5. Cytoskeleton is made up of

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  6. Vacuole in a plant cell

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  7. Polysome is formed by

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  8. Keeping in view the fluid mosaic model for the stucture of cell membra...

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  9. In germinating seeds fatty acids are degraded exclusively in the

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  10. The two sub-units of ribosome remain united at a critical ion level of

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  11. Which one of the following is not a part of cell membrane ?

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  12. Select the wrong statement from the following

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  13. Which of the following statements regarding mitochondrial membrane...

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  14. A major breakthrough in the study of cells came with the development o...

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  15. Which of the following statement regarding cillia is not correct...

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  16. Organelle involved in modification and routing of newly synthesised pr...

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  17. A student wishes to study the cell structure under a light microscope ...

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  18. In chloroplasts, chlorophyll is present in

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  19. Protein synthesis in an animal cell occurs

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  20. According to widely accepted "Fluid mosaic model" cell membranes are s...

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