10th Class Chapter No.2 Quiz No.2
Biology MCQs Online Quiz
All MCQs Selected from Old Board Papers
Best MCQs for Board Examination
Total MCQs ( in this Quiz ) = 56
81.At night, CO2 is surplus in plants and it is removed from tissue cells by
A. metabolic wastes
B. nuclear wastes
C. pollutants
D. useful wastes
Answer:
A. metabolic wastes
82.During day time, oxygen is produced in mesophyll cell as a
A. diffusion
B. evaporation
C. transpiration
D. guttation
Answer:
A. diffusion
83.Mesophyll cells remove the extra
A. by product
B. end product
C. toxic product
D. harmful product
Answer:
A. by product
84.Amount of oxygen through:
A. Cuticle
B. Stomata
C. Midrib
D. Petiole
Answer:
B. Stomata
85.Plants store large amount of water in their cells for:
A. deceased
B. dormant
C. turgidity
D. flaccidity
Answer:
C. Turgidity
