Biology MCQ on Parts Of Plants for NEET and Medical Exam 2022
MCQ on Parts Of Plants: 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 Parts Of Plants, which will be beneficial for you in upcoming NEET, AIIMS, JIPMER, PGIMER, CBSE Board, ICSE Board, Class 12th, 11th.
MCQ on Parts Of Plants
Q1. Difference between heartwood and sapwood is that heartwood _________. (b) has dead and non-conducting elements
a) shows the presence of fibres and rays
b) has dead and non-conducting elements
c) lacks parenchyma and vessels
d) is susceptible to pathogens and pests
Q2. Which of the following events takes place in a ring girdled plant? (c) The shoots and the root dies first
a) The eath of the root first
b) The death of the shoot first
c) The shoots and the root dies first
d) Neither the shoot nor the root will die
Q3. Which of the following are the primary water-conducting elements of xylem in gymnosperms? (c) Tracheids
a) Fibres
b) Vessels
c) Tracheids
d) Transfusion tissue
Q4. Which of the following factors promotes the opening of the stomatal aperture? (c) Radial orientation of the cellulose microfibrils in the cell wall of the guard cells
a) A decrease in guard cell turgidity
b) When the outer walls of the guard cells contracts
c) Radial orientation of the cellulose microfibrils in the cell wall of the guard cells
d) The longitudinal orientation of the cellulose microfibrils in the cell wall of guard cells
Q5. Which of the following is not a lateral meristem? (c) Intercalary meristem
a) Phellogen
b) Cork cambium
c) Intercalary meristem
d) Interfascicular cambium
Q6. Vascular bundles are closed in monocots as _________.
a) presence of vascular cambium between xylem and phloem
b) presence of xylem and phloem
c) absence of vascular cambium
d) xylem and phloem occur in separate bundles
Q7. Which of the following is made of dead cells? (b) Phellem
a) Phloem
b) Phellem
c) Collenchyma
d) Xylem parenchyma
Q8. This is one of the most recent and valid explanations for stomatal movements.
a) Starch hydrolysis
b) Transpiration
c) Guard cell photosynthesis
d) Potassium efflux and the influx
Q9. Which of the following statement are true about the Tyloses – the balloon-shaped structures? (d) Are extensions of the xylem parenchyma cells into vessels
a) Characterise the sapwood
b) Original in the lumen of vessels
c) Are linked to the ascent sap through xylem vessels
d) Are extensions of the xylem parenchyma cells into vessels
Q10. In monocots, grafting is not possible as _________. (c) they lack cambium
a) They show parallel venation
b) they have scattered vascular bundles
c) they lack cambium
d) they are herbaceous
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