Transport In Plants Test

Transport In Plants

This is Transport In Plants Test-03 for CBSE class 11 Biology.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Pinus seeds cannot germinate without
  • A
    pressure
  • B
    soil
  • C
    mycorrhiza
    Correct
  • D
    water
2
Cohesion-tension theory is related
  • A
    Photosynthesis
  • B
    Ascent of sap
    Correct
  • C
    Transpiration
  • D
    Respiration
3
The excess water collected in the form of droplets around special openings of veins near tip of leaves is called as
  • A
    Bleeding
  • B
    Oozation
  • C
    Transpiration
  • D
    Guttation
    Correct
4
The neighbouring cells are connected through cytoplasmic strands that extend through
  • A
    Apoplast
  • B
    Plasmodesmata
    Correct
  • C
    Imbibition
  • D
    Cytoplasmic streaming
5
Transport over longer distances proceeds through the vascular system
  • A
    Translocation
    Correct
  • B
    Diffusion
  • C
    Osmosis
  • D
    Transpiration
6
A cell dipped in 0.5 M sucrose has no effect. It is dipped in 0.5 M NaCl, the cell will
  • A
    Became turgid
  • B
    Increase in size
  • C
    Decrease in size
  • D
    Get plasmolysed
    Correct
7
Rupture and fractionalization of water column present in treachery elements does not occur during ascent of sap due to
  • A
    Cohesion and adhesion
    Correct
  • B
    Lignified thick walls
  • C
    Weak gravitational pull
  • D
    Transpirational pull
8
The system of adjacent cell walls that is continuousthroughout the plant is called as
  • A
    Guttation
  • B
    Apoplast
    Correct
  • C
    Root pressure
  • D
    Symplast
9
Bulk flow can be achieved by
  • A
    Turgor pressure
  • B
    Concentration gradient and turgor pressure
  • C
    Concentration gradient
  • D
    Positive and negative hydrostatic pressure
    Correct
10
During symplastic movements, the water travels through
  • A
    organelles
  • B
    vascular tissue
  • C
    cytoplasm
    Correct
  • D
    cell wall
11
Which of the following statement is true with respect to the movement through apoplast?
  • A
    It provides barrier to water movement
  • B
    It is independent of gradient
  • C
    It does not involve crossing the membrane
    Correct
  • D
    It involve crossing the membrane
12
In diffusion, the movement of molecule across typical plant cell takes about
  • A
    1.0 s
  • B
    1.5 s
  • C
    2.5 s
    Correct
  • D
    2.0 s
13
The pathway of water passes from root hairs to xylem through the walls of intervening cells without crossing any membrane or cytoplasm is called
  • A
    Apoplast
    Correct
  • B
    Transmembrane
  • C
    Symplast
  • D
    Intercellular
14
Symplastic movement is aided by
  • A
    endodermis
  • B
    Cytoplasmic streaming
    Correct
  • C
    xylem vessels
  • D
    phloem tissue
15
In plant cell, the cytoplasm of the adjacent cells are connected through bridges called
  • A
    Cell membrane
  • B
    Intercellular bridge
  • C
    Intracellular bridge
  • D
    Plasmodesmata
    Correct