• December 7, 2021

Biology MCQ on Parts Of Plants for NEET and Medical Exam 2021

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.

MCQ on Parts Of Plants,

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 _________.
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

View Answer

(b) has dead and non-conducting elements

Q2. Which of the following events takes place in a ring girdled plant?
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

View Answer

(c) The shoots and the root dies first

Q3. Which of the following are the primary water-conducting elements of xylem in gymnosperms?
a) Fibres
b) Vessels
c) Tracheids
d) Transfusion tissue

View Answer

(c) Tracheids

Q4. Which of the following factors promotes the opening of the stomatal aperture?
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

View Answer

(c) Radial orientation of the cellulose microfibrils in the cell wall of the guard cells

Q5. Which of the following is not a lateral meristem?
a) Phellogen
b) Cork cambium
c) Intercalary meristem
d) Interfascicular cambium

View Answer

(c) Intercalary meristem

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

View Answer

 

Q7. Which of the following is made of dead cells?
a) Phloem
b) Phellem
c) Collenchyma
d) Xylem parenchyma

View Answer

(b) Phellem

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

View Answer

 

Q9. Which of the following statement are true about the Tyloses – the balloon-shaped structures?
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

View Answer

(d) Are extensions of the xylem parenchyma cells into vessels

Q10. In monocots, grafting is not possible as _________.
a) They show parallel venation
b) they have scattered vascular bundles
c) they lack cambium
d) they are herbaceous

View Answer

(c) they lack cambium


MCQ Link for NEET/JEE
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NEET/JEE Chemistry MCQ Click Here
NEET Biology MCQ Click Here
JEE Math’s MCQ Click Here

 

Notes PDF Link for NEET/JEE
Physics Notes PDF Click Here
Chemistry Notes PDF Click Here
Biology Notes PDF Click Here
Math’s Notes PDF Click Here

 


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