Related InterviewSolutions

• What is the difference between ‘flaccid’ and ‘turgid’? Give one example of flaccid condition in plants.
• What is responsible for guttation?(a) Osmotic pressure(b) Root pressure(c) suction pressure(d) Capillarity
• The space between the cell wall and plasma membrane in a plasmolysed cell is filled with.(a) isotonic solution(b) hypotonic solution(c) Hypertonic solution(d) water
• How is saliva produced?
• The highest water potential (capacity to move out higher concentrated solution) is that of(a) Pure water(b) 10% salt solution(c) Honey(d) 50% sugar solution
• The following diagram represents a plant cell after being placed in a strong sugar solution.Guidelines 1 to 5 indicate the following:(1) Cell wall, (2) Strong sugar solution, (3) Protoplasm (4) Large vacuole, (5) Nucleus(a) What is the state of the cell shown in the cell shown in the diagram?(b) Name the structure which acts as a selectively permeable membrane.(c) If the cell had been placed in distilled water instead of strong sugar solution, which feature would not have been seen?(d) Name any one feature of this plant cell which is not present in an animal cell.
• Match the items in column I with those in column IIColumn IColumn IIaXylem(i) semi - permeablebPhloem(ii) permeablecCell membrane(iii) downward flow of sapdRoot pressure(iv) upward flow of watereCell wall(v) guttation
• Absorption of water by the plant cells by surface attraction is called:(a) Diffusion(b) Osmosis(c) Imbibition(d) Endosmosis
• Give the equivalent terms for the following:(a) Pressure of the cell contents on the cell wall(b) The condition in which the cell contents are shrunken(c) Loss of water through a cut stem
• Complete the following statements:(a) Hypotonic solution is one in which the solution kept outside the cell has lower solute concentration than ……………… the cell.(b) Active transport is one in which the ions outside the roots are ……………(c) The bending movements of certain flowers towards the sun and the sleep movements of certain plants at night are examples of…………