Are you looking for Mcqs on Plant physiology? If Yes then you are at right place. Here you will find Plant physiology Mcq Questions and Answers, Trivia, Quiz, Interview MCQ & Plant physiology Current Affairs for Competitive Exams like Neet exams, around 30% to 40% of Neet questions are asked from given Plant physiology Mcqs. as you know Questions and Ansers on Plant physiology is very important for Neet Exam. In this Plant physiology MCQ section for Neet competition we are covering MCQS on Plant physiology
Question : The most abundant protein in the animal world is
A. Trypsin
B. Collagen
C. Haemoglobin
D. Insulin
Question : This is a wrongly matched pair
A. Alcohol – Nitrogenase
B. Detergents – Lipase
C. Textile – Amylase
D. Fruit juice – Pectinase
Question : Macromolecule chitin is
A. phosphorous containing polysaccharide
B. nitrogen containing polysaccharide
C. sulphur containing polysaccharide
D. simple polysaccharide
Question : A phosphoglyceride is always composed of
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
Question : 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
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
Question : 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
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
Question : Peroxisomes are involved in which type of reactions pertaining to plant photosynthesis?
A. Calvin Cycle
B. Glycolytic cycle
C. Glyoxylate cycle
D. Bacterial photosynthesis
Question : In C3 and C4 plants, primary carboxylation takes place with the help of
A. PEP carboxylse and pyruvate carboxylase
B. RuBP carboxylase and PEP carboxylase
C. PEP carboxylase and RuBP carboxylase
D. RuBP carboxylase and pyruvate carboxylase
Question : This statement regarding enzyme inhibition is correct
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
Question : In the rainy season, doors get swelled up due to
A. Transpiration
B. Imbibition
C. Diffusion
D. Respiration