Biology MCQ on Plant Physiology for NEET and Medical Exam 2022
MCQ on Plant Physiology: 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 Plant Physiology, which will be beneficial for you in upcoming NEET, AIIMS, JIPMER, PGIMER, CBSE Board, ICSE Board, Class 12th, 11th.
MCQ on Plant Physiology
Q1. In C3 and C4 plants, primary carboxylation takes place with the help of _______. (b) RuBP carboxylase and PEP carboxylase
a) PEP carboxylse and pyruvate carboxylase
b) RuBP carboxylase and PEP carboxylase
c) PEP carboxylase and RuBP carboxylase
d) RuBP carboxylase and pyruvate carboxylase
Q2. Which of the following is a wrongly matched pair ? (a) Alcohol – Nitrogenase
a) Alcohol – Nitrogenase
b) Detergents – Lipase
c) Textile – Amylase
d) Fruit juice – Pectinase
Q3. The fundamental feature of Kranz Anatomy of C4 plants is _______. (a) Presence of agranal chloroplasts in bundle sheath cells and granal chloroplasts in mesophyll cells
a) Presence of agranal chloroplasts in bundle sheath cells and granal chloroplasts in mesophyll cells
b) Presence of granal chloroplasts in bundle sheath cells and agranal chloroplasts in mesophyll cells
c) Presence of chloroplasts in epidermal and mesophyll cells
d) Presence of agranal chloroplasts in both mesophyll and bundle sheath cells
Q4. A phosphoglyceride is always composed of _______. (d) an unsaturated or saturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached
a) only an unsaturated fatty acid esterified to a glycerol molecule to which a phosphate the group is also attached
b) only a saturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached
c) an unsaturated or saturated fatty acid esterified to a phosphate molecule to which a glycerol molecule is also attached
d) an unsaturated or saturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached
Q5. In the rainy season, doors get swelled up due to _______. (b) Imbibition
a) Transpiration
b) Imbibition
c) Diffusion
d) Respiration
Q6. Macromolecule chitin is _______. (b) nitrogen containing polysaccharide
a) phosphorous containing polysaccharide
b) nitrogen containing polysaccharide
c) sulphur containing polysaccharide
d) simple polysaccharide
Q7. The most abundant protein in the animal world is _______. (b) Collagen
a) Trypsin
b) Collagen
c) Haemoglobin
d) Insulin
Q8. Which of the following statement regarding enzyme inhibition is correct? (c) competitive inhibition is observed when substrate and inhibitor compete for the active site on enzyme
a) non-competitive inhibitors often bind to the enzyme irreversibly
b) non-competitive inhibition of an enzyme can be overcome by adding a large amount of substrate
c) competitive inhibition is observed when substrate and inhibitor compete for the active site on enzyme
d) competitive inhibition is observed when substrate competes with an enzyme to bind to an inhibitor protein
Q9. Peroxisomes are involved in which type of reactions pertaining to plant photosynthesis? (c) Glyoxylate cycle
a) Calvin Cycle
b) Glycolytic cycle
c) Glyoxylate cycle
d) Bacterial photosynthesis
Q10. The statement which is incorrect with respect to enzyme action is _______. (a) Addition of a lot of succinates does not reverse the inhibition of succinic dehydrogenase by malonate
a) Addition of a lot of succinates does not reverse the inhibition of succinic dehydrogenase by malonate
b) the substrate binds with the enzyme as its active site
c) a non-competitive inhibitor binds the enzyme at a site distinct from that which binds the substrate
d) malonate is a competitive inhibitor of succinic dehydrogenase
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By Team Learning Mantras