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Transportation in Plants NEET Questions. We covered all the Transportation in Plants NEET Questions in this post for free so that you can practice well for the exam.
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mcq on Transportation in Plants for NEET Students
Which external condition(s) can influence the rate at which plants transpire?
a) Humidity
b) Light
c) Temperature
d) All of the above
Option d – All of the above
What are the roles of magnesium in plants?
i. Participates in DNA and RNA formation
ii. Activates Respiration and photosynthesis-related enzymes
iii. Present in the central ring of chlorophyll
iv. Aids cell wall creation during division
a) i and iv only
b) iii and iv only
c) i, ii, and iii
d) ii, iii, and iv
Option c – i, ii, and iii
The term for water vapor loss through leaf stomata is
a) Necrosis
b) Translocation
c) Imbibition
d) Transpiration
Option d – Transpiration
Evaluate the following:
(i) Nitrogenase enzyme is sensitive to oxygen and operates in aerobic conditions.
(ii) Legume root nodules possess leghemoglobin to protect nitrogenase from oxygen.
a) Only (i) is true
b) Only (ii) is true
c) Both (i) and (ii) are true
d) Both (i) and (ii) are false
Option b – Only (ii) is true
Identify the incorrect statement about plant water relations.
a) Active Transport uses energy to move substances against gradients
b) Water potential is determined by solute and pressure potential
c) Water potential represents water’s capacity to move
d) Turgor pressure occurs when cells are placed in hypertonic solutions
Option d – Turgor pressure occurs when cells are placed in hypertonic solutions
Which statement about osmosis is not accurate?
a) Water flows from lower to higher chemical potential
b) Osmosis involves movement across a selectively permeable membrane
c) It is a passive process driven by gradients
d) The rate and direction of osmosis depend on pressure and concentration
Option a – Water flows from lower to higher chemical potential
Chlorosis refers to
a) The same as tissue death
b) Yellowing of leaves due to chlorophyll loss
c) Localized death of plant tissue
d) All of the above
Option b – Yellowing of leaves due to chlorophyll loss
Which of the following is false regarding deficiency symptoms?
a) Magnesium and nitrogen deficiencies appear first in young leaves
b) Different elements cause different symptoms
c) Symptoms improve after supplying the missing nutrient
d) Deficiencies show up in new growth if the element is immobile
Option a – Magnesium and nitrogen deficiencies appear first in young leaves
Choose the incorrect feature of facilitated diffusion.
a) It requires no ATP
b) Involves carrier proteins
c) Utilizes protein channels like porins
d) Slower than simple diffusion
Option d – Slower than simple diffusion
What are the benefits of transpiration?
a) Maintains cellular turgidity and structure
b) Creates suction for water and mineral uptake
c) Helps in cooling plant surfaces
d) All of the above
Option d – All of the above
Which nutrient is essential for producing nucleotides?
a) Magnesium
b) Phosphorus
c) Potassium
d) Calcium
Option b – Phosphorus
An element is termed essential if
a) Its absence disrupts normal plant development and reproduction
b) Its deficiency can be fixed with another element
c) Its lack doesn’t affect the plant’s life cycle
d) All of the above
Option a – Its absence disrupts normal plant development and reproduction
Identify the incorrect statement about nutrient Transport.
a) Movement occurs through a specialized vascular system
b) Water and Minerals move unidirectionally; Organic nutrients move in multiple directions
c) Nutrients can be relocated from dying parts to growing ones
d) Sugars from leaves are distributed to all parts including storage tissues
In plants, calcium is necessary for
a) Keeping cells turgid
b) Building mitotic spindle during division
c) Maintaining ribosome integrity
d) Helping synthesize DNA, proteins, and hormones
Option b – Building mitotic spindle during division
What describes uphill Transport?
a) Passive movement
b) Transfer from low to high concentration
c) Transport through energy-driven pumps
d) Both b and c
Option d – Both b and c
Which micronutrient is a core component of cytochromes?
a) Iron
b) Manganese
c) Chlorine
d) Nickel
Option a – Iron
Select the correct interpretation:
Statement I: The substance that absorbs water is the imbibant.
Statement II: The liquid that is absorbed is called imbibate.
a) Only I is correct
b) Only II is correct
c) Both are correct
d) Both are incorrect
Option c – Both are correct
Which SET includes only micronutrients?
a) Molybdenum, nickel, boron
b) Copper, nitrogen, zinc
c) Phosphorus, nitrogen, boron
d) Nickel, zinc, sulfur
Option a – Molybdenum, nickel, boron
Which element is most abundant in plant tissues?
a) Copper
b) Chlorine
c) Manganese
d) Magnesium
Option d – Magnesium
Find the incorrect pair:
a) Cohesion – Attraction between water molecules
b) Surface tension – Liquid water has more cohesion than water vapor
c) Facilitated Transport – Occurs down the concentration gradient
d) Simple diffusion – Movement from low to high concentration
Option d – Simple diffusion – Movement from low to high concentration
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