Transport In Plants Test-01

Transport In Plants Test-01

This is Transport In Plants Test-01 for CBSE class 11 Biology.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Transport of water and mineral in plants take place through
  • A
    Parenchyma
  • B
    Xylem tissues
    Correct
  • C
    Phloem tissues
  • D
    Collenchymas tissues
2
Root hairs absorb water from soil with the help of
  • A
    Root pressure
  • B
    Osmatic pressure
  • C
    Suction pressure
    Correct
  • D
    Turger pressure
3
Some carrier proteins allow diffusion by both molecules cross the membrane in the same direction is
  • A
    Symport
    Correct
  • B
    Aquaporins
  • C
    Antiport
  • D
    Uniport
4
The movement of diffusion is
  • A
    active
  • B
    Passive
    Correct
  • C
    none of the above
  • D
    facilitated
5
Diffusion rate is affected by
  • A
    Soil and water
  • B
    Water and pressure
  • C
    Gradient concentration and pressure
    Correct
  • D
    Pressure and soil
6
Proteins that form huge pores in the membrane of the certain organelles and bacteria are called as
  • A
    Enzymes
  • B
    Porins
    Correct
  • C
    Pressure gradient
  • D
    Flaccid
7
The component that is essential to perform all physiological activities of the plant is
  • A
    Pressure
  • B
    All of the above
  • C
    Temperature
  • D
    Water
    Correct
8
Select the correct equation from the following
  • A
    DPD = WP – OP
  • B
    DPD = WP + OP
  • C
    DPD = OP + WP
  • D
    DPD = OP – WP
    Correct
9
A and B are contiguous cells. A has OP=10 atm and TP= 7atm, B has OP=8atm, TP=3 atm, DPD= 5 atm. The result would be
  • A
    Movement of water from B to A
  • B
    No movement of water
  • C
    Equilibrium between the two
  • D
    Movement of water from A to B
    Correct
10
Which one will reduce the rate of transpiration?
  • A
    Rise in temperature
  • B
    Decrease in light intensity
    Correct
  • C
    Increase in water uptake
  • D
    Increase in wind velocity
11
The net direction and rate of osmosis depends on
  • A
    Only pressure gradient
  • B
    None of the above
  • C
    Pressure gradient and Concentration gradient
    Correct
  • D
    Only concentration gradient
12
Oozing of water drops from injured leaf edges is
  • A
    Oozation
  • B
    Transpiration
  • C
    Guttation
  • D
    Bleeding
    Correct
13
The instrument used for measuring rate of transpiration is
  • A
    Osmometer
  • B
    Manometer
  • C
    Porometer
  • D
    Potometer
    Correct
14
Difference between osmotic pressure is
  • A
    Transpirational pull
  • B
    Osmotic potential
  • C
    Solute potential
  • D
    DPD
    Correct
15
When water moves out of the cell and the cell membrane of a plant cell shrinks away from its cell is called
  • A
    Plasmodesmata
  • B
    Isotonic
  • C
    Cytoplasmic streaming
  • D
    Plasmolysis
    Correct