Biology MCQ on Apoplast for NEET and Medical Exam 2021
MCQ on Apoplast: Biology is one of the most important and vital sections in NEET. It includes theories, descriptions, discoveries, diagrams, definitions, explanation of differences and relations. Most of the concepts covered in the NEET syllabus are from the NCERT syllabus of Class 11 & 12. Other related sources make up for the rest of the syllabus.
In this post we are providing you MCQ on Apoplast, which will be beneficial for you in upcoming NEET, AIIMS, JIPMER, PGIMER, CBSE Board, ICSE Board, Class 12th, 11th.
MCQ on Apoplast
Q1. ______ is not part of apoplast. (d) sieve tubes
a) cell walls
b) vessels
c) intercellular
d) sieve tubes
Q2. In plants, which of the following about apoplast and symplast water movement is true? (a) being down a potential gradient
a) being down a potential gradient
b) an equal rate of transport
c) conduction through interconnected protoplast
d) assistance by cytoplasmic streaming
Q3. Which of the following statements does not hold true in context of apoplast? (c) crosses cell membrane
a) occurs through intercellular spaces and cell walls
b) system of adjacent cell walls is continuous all through the plant
c) crosses cell membrane
d) discontinuous path at the place of casparian strips of endodermis in roots
Q4. In plants, water movement is _______. (c) down the potential gradient in both apoplast and symplast
a) up the potential gradient in both symplast and apoplast
b) down the potential gradient in apoplast and up the potential gradient in symplast
c) down the potential gradient in both apoplast and symplast
d) down the potential gradient in symplast and up the potential gradient in apoplast
Q5. Symplastic movement is slower than apoplastic movement because ______. (a) molecule has to enter through cell membrane
a) molecule has to enter through cell membrane
b) it is down the gradient
c) as it involves cytoplasmic through streaming always
d) all of the above
Q6. In roots, most of the water flows through _____. (b) Apoplast
a) Symplast
b) Apoplast
c) Imbibition
d) Active transport
Q7. Most of the movement in roots through apoplast is due to _______. (c) cortical cells are loosely packed and hence no resistance to water movement
a) endodermal cells are loosely packed and hence no resistance to water movement
b) medullary cells are loosely packed and hence no resistance to water movement
c) cortical cells are loosely packed and hence no resistance to water movement
d) pericycle cells are loosely packed and hence no resistance to water movement
Q8. Movement of water through apoplast stops at the level of ________ and crosses membrane to undergo Symplast till xylem cells. (d) all of the above
a) starch sheath
b) inner layer of cortex
c) endodermis
d) all of the above
Q9. Pick the incorrect statement regarding apoplast movement. (d) continuous water stream gets tension when water is absorbed by root hairs
a) movement of water in through mass flow
b) gradient – dependent
c) mass flow of water takes place as a result of cohesive and adhesive properties of water
d) continuous water stream gets tension when water is absorbed by root hairs
Q10. Pressure in roots develops due to ______. (c) active absorption
a) low osmotic soil potential
b) rise in transpiration
c) active absorption
d) passive absorption
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