MCQ Type Questions of Absorption by Roots for ICSE Class-10 Biology . These MCQ / Objective Type Questions is based on latest reduced syllabus according 2021-22 session on bifurcated pattern. Main motto of MCQ Type Question is cracking the next upcoming exam of council. Visit official website CISCE for detail information about ICSE Board Class-10 Biology .
MCQ Type Questions Absorption by Roots for ICSE Class-10 Biology
Board | ICSE |
Class | 10th (X) |
Subject | Biology |
Chapter | Absorption by Roots |
Syllabus | on bifurcated syllabus (after reduction) |
Session | 2021-22 |
Topic | MCQ / Objective Type Question |
ICSE Class-10 Biology MCQ Type Questions of Absorption by Roots
Question 1: Absorption of water by the plant cells by surface attraction is called:
(a) Diffusion
(b) Osmosis
(c) Imbibition
(d) Endosmosis
Answer (c) Imbibition
Question 2: A plant cell placed in a certain solution got plasmolysed. What was the kind of solution?
(a) Isotonic sugar solution
(b) Hypotonic salt solution
(c) Hypertonic salt solution
(d) Isotonic salt solution
Answer (c) Hypertonic salt solution
Question 3: The state of a cell in which the cell wall is rigid and stretched by the increase in volume due to the absorption of water is called
(a) Flaccidity
(b) Turgidity
(c) Capillarity
(d) Tonicity
Answer (b) Turgidity
Question 4: Which one of the following is a characteristic NOT related with the suitability of the roots for absorbing water?
(a) Tremendous surface area
(b) Contain cell sap at higher concentration than the surrounding water
(c) Root hairs have thin cell walls
(d) Grow downward into the soil
Answer (d) Grow downward into the soil
Question 5: Movement of molecules of a substance from the region of their higher concentration to the region of their lower concentration without the involvement of a separating membrane, is called:
(a) Osmosis
(b) Diffusion
(c) Active transport
(d) Capillarity
Answer (b) Diffusion
Question 6: Special anatomical structure through which guttation occurs are:
(a) Hydathode
(b) Stomata
(c)Lenticel
(d) Cuticle
Answer (a) Hydathode
Question 7 : Plants lose water by guttation when:
(a) Rate of transpiration high
(b) Soil is wet and the atmosphere is humid
(c) Soil is dry and atmosphere is dry
(d) Soil is wet and atmosphere is dry
Answer (b) Soil is wet and the atmosphere is humid
Question 8 : ………………. is the result of inward movement of water molecules,
(a) Plasmolysis
(b) Flaccidity
(c) Deplasmolysis
(d) Both b and c
Answer (c) Deplasmolysis
Question 9 : Reverse of plasmolysis occurs when the cell is kept in …………
(a) Pond water
(b) 10% sugar solution
(c) 5% salt solution
(d) Pure water
Answer (d) Pure water
Question 10 : No net flow occurs when a cell is kept in …………….
(a) Hypotonic solution
(b) Hypertonic solution
(c) 5%% sugar solution
(d) Isotonic solution
Answer (d) Isotonic solution
Question 11 : Cell slightly enlarges or bursts when kept in
(a) Hypertonic solution
(b) Hypotonic solution
(c) Isotonic solution
(d) Pond water
Answer (b) Hypotonic solution
Question 12 : The diagram represents two liquids, separated by a membrane through which osmosis can occur.
What movement of molecules will occur?
(a) Molecules of dissolved substance move from left to right.
(b) Molecules of dissolved substance move from right to left.
(c) Overall, water molecules move from left to right.
(d) Overall, water molecules move from right to left.
Answer (c) Overall, water molecules move from left to right.
Question 13 : Salting of meat of addition of salt to pickles is a method of preservation by …………………
(a) Osmosis
(b) Exosmosis
(c) Plasmolysis
(d) Deplasmolysis
Answer (c) Plasmolysis
Question 14 : Which one of the following is not the example of semi-permeable membrane?
(a) Cellophane paper
(b) Egg membrane
(c) Animal bladder
(d) Rubber sheet
Answer (d) Rubber sheet
Question 15: Osmosis and diffusion are the same except that in osmosis there is
(a) a freely permeable membrane
(b) a cell wall in between
(c) a selectively permeable membrane in between
(d) an endless inflow of water into a cell
Answer (c) a selectively permeable membrane in between
Question 16: The highest water potential (capacity to move out to higher concentrated solution) is that of
(a) Pure water
(b) 10% salt solution
(c) Honey
(d) 50% sugar solution
Answer (a) Pure water
Question 17: 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
Answer (d) water
Question 18: Girdling of a tree results in death of the tree due to:
(a) Starvation of root
(b) Starvation of shoot
(c) No conduction
(d) No upward conduction of food
Answer (a) Starvation of root
Question 19: The cell increases in volume if the external solution is :
(a) Hypertonic
(b) Hypotonic
(c) Isotonic
(d) Concentrated than cell sap
Answer (b) Hypotonic
Question 20: Mineral salts are absorbed by roots from the soil in the form of :
(a) Very dilute solution
(b) Concentrated
(c) Hypertonic solution
(d) Very concentrated solution
Answer (a) Very dilute solution
Question 21: Deplasmolysis in a cell occurs when it is placed in:
(a) Isotonic solution
(b) Hypotonic solution
(c) Hypertonic solution
(d) None of these
Answer (b) Hypotonic solution
Question 22: Transport of water in stem takes place through:
(a) Phloem
(b) Xylem
(c) Epidermis
(d) Endodermis
Answer (b) Xylem
Question 23: What is responsible for guttation?
(a) Osmotic pressure
(b) Root pressure
(c) Suction pressure
(d) Capillarity
Answer (b) Root pressure
Question 24 : Semi-permeable membrane
(a) Allows free movement of only ions through it.
(b) Allows free movement of molecules or ions through it
(c) Allows certain molecules or ions to pass through it
(d) Allows movement of water through it.
Answer (c) Allows certain molecules or ions to pass through it
Question 25 : Root hairs
(a) Absorption of ions and minerals from the soil
(b) Absorption of water and minerals from the soil
(c) Absorption of oxygen and minerals from the soil
(d) Absorption of gases and minerals from the
Answer (b) Absorption of water and minerals from the soil
Question 26 : Movement of molecules of a substance from their region of higher concentration to lower concentration when they are in direct contact.
(a) Diffusion
(b) Imbibition
(c) Endosmosis
(d) Active transport
Answer (a) Diffusion
Question 27: The most appropriate characteristic of semi-permeable membrane is that
(a) it has minute pores
(b) it has no pores
(c) it allows the solute to pass through but not the solvent
(d) it allows a solvent to pass through freely but prevents the passage of the solute
Answer (d) it allows a solvent to pass through freely but prevents the passage of the solute
Question 28: Transport of substances against the concentration gradient in a cell by using energy is:
(a) Osmosis
(b) Diffusion
(c) Passive transport
(d) Active transport
Answer (d) Active transport
Question 29: Drooping of leaves of Mimosa plant is due to :
(a) Change in turgor pressure
(b) Imbibition
(c) Plasmolysis
(d) Diffusion
Answer (a) Change in turgor pressure
Question 30: A root hair is :
(a) Extension of cortical cell
(b) Extension of epidermal cell
(c) Specialized multicellular structure
(d) Extension of endodermis
Answer (b) Extension of epidermal cell
Question 31: Some liquid is collected form the xylem in the stem of a plant. What is present in the liquid?
(a) Cellulose
(b) Inorganic ions
(c) Starch
(d) Sugar
Answer (c) Starch
Question 32: How do carbon dioxide and oxygen move into and out of a mesophyll cell ?
(a) Active transport
(b) Diffusion
(c) Respiration
(d) Transpiration
Answer (b) Diffusion
Question 33: Which is an example of active transport ?
(a) Carbon dioxide entering a leaf
(b) Oxygen moving form the alveoil into the blood
(c) Ion uptake by root hair cells
(d) Water uptake by root hair cells
Answer (c) Ion uptake by root hair cells
Question 34 : Each one of the following contribute to the ascent of sap except for :
(a) Wall pressure
(b) Root Pressure
(c) Capillarity
(d) Adhesion
Answer (a) Wall pressure
Question 35: Marine fish when placed in tap water bursts because of :
(a) Endosmosis
(b) Exosmosis
(c) Diffusion
(d) Plasmolysis
Answer (a) Endosmosis
Question 36 : ……………….. of a solution is a measure of its tendency to take in water by osmosis.
(a) Turgor pressure
(6) Wall pressure
(c) Osmotic pressure
(d) Root pressure
Answer (c) Osmotic pressure
Question 37 : ………….. is a phenomenon by which the living or dead plant cells absorb water by surface attraction
(a) Imbibition
(b) Absorption
(c) Diffusion
(d) Transportation
Answer (a) Imbibition
Question 38 : ……………….. pressure causes rupturing of seed coat in case of germination.
(a) Wall
(b) Root
(c) Osmotic
(d) Imbibition
Answer (d) Imbibition
Question 39 : Xylem
(a) Translocation of food from the leaves to the other parts of the plant
(b) Conduction of food.
(c) Conduction of water and food.
(d) Conduction of water and minerals from the root to the other parts of the plant
Answer (d) Conduction of water and minerals from the root to the other parts of the plant
Question 40 : Hydathode
(a) Helps in transpiration
(b) Helps in guttation
(c) Helps in imbibition
(d) Helps in transportation of water
Answer (b) Helps in guttation
Question 41 : Phloem
(a) Helps in transportation of food
(b) Helps in transportation of water
(c) Helps in transportation of mineral
(d) Helps in transportation of air
Answer (a) Helps in transportation of food
Question 42 : The space between the cell wall and plasma membrane in a plasmolyzed cell is filled with:
(a) Isotonic solution
(b) Hypotonic solution
(c) Hypertonic solution
(d) Water
Answer (c) Hypertonic solution
Question 43 : Osmosis and Diffusion are the same except that in Osmosis there is:
(a) A free permeable membrane.
(b) A cell wall in between.
(c) A selective permeable membrane in between
(d) An endless inflow of water into a cell
Answer (c) A selective permeable membrane in between
Question 44 : Which of the following takes place in active transport?
(a) Movement of a substance form its higher to lower concentration
(b) Movement of water from its lower to higher concentration
(c) Movement of water from its higher to lower concentration
(d) Movement of a substance from its lower to higher concentration
Answer (d) Movement of a substance from its lower to higher concentration
Question 45 : The diagram shows a specialized cell.
For which function is the cell adapted?
(a) Absorption of water
(b) Contraction of muscles
(c) Movement of dust particles
(d) Transport of oxygen
Answer (a) Absorption of water
Question 46 Absorption of water by the plant cells by surface attraction is called:
a) Diffusion
b) Osmosis
c) Imbibition
d) Endosmosis
Answer (c) Imbibition
Question 47 A plant cell placed in a certain solution got plasmolysed. What was the kind of solution?
a) Isotonic sugar solution
b) Hypotonic salt solution
c) Hypertonic salt solution
d) Isotonic salt solution
Answer c) Hypertonic salt solution
Question 49 The state of a cell in which the cell wall is rigid and stretched by the increase in volume due to the absorption of water is called
a) Flaccidity
b) Turgidity
c) Capillarity
d) Tonicity
Answer b) Turgidity
Question 50 Which one of the following is a characteristic NOT related with the suitability of the roots for absorbing water?
a) Tremendous surface area
b) Contain cell sap at higher concentration than the surrounding water
c) Root hairs have thin cell walls
d) Grow downward into the soil
Answer d) Grow downward into the soil
Question 51 Movement of molecules of a substance from the region of their higher concentration to the region of their lower concentration without the involvement of a separating membrane, is called:
a) Osmosis
b) Diffusion
c) Active transport
d) Capillarity
Answer b) Diffusion
Question 52 Osmosis and diffusion are the same except that in osmosis there is
a) a freely permeable membrane
b) a cell wall in between
c) a selectively permeable membrane in between
d) an endless inflow of water into a cell
Answer c) a selectively permeable membrane in between
Question 53 The highest water potential (capacity to move out to higher concentrated solution) is that of
a) Pure water
b) 10% salt solution
c) Honey
d) 50% sugar solution
Answer a) Pure water
Question 54 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
Answer d) water
Question 55 What is responsible for guttation?
a) Osmotic pressure
b) Root pressure
c) Suction pressure
d) Capillarity
Answer b) Root pressure
Question 56 The most appropriate characteristic of semi-permeable membrane is that
a) it has minute pores
b) it has no pores
c) it allows the solute to pass through but not the solvent
d) it allows a solvent to pass through freely but prevents the passage of the solute
Answer d) it allows a solvent to pass through freely but prevents the passage of the solute
–: End of MCQ Type Questions of Absorption by Roots for ICSE Class-10 Biology :-
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