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
86.A process in which loss of water from plant surface in the form of vapours is called:
A. Transpiration
B. Osmosis
C. Diffusion
D. Homeostasis
Answer:
A. Transpiration
87.Where Aloes water accumulate, if high water content in soil
A. Xylem vessels
B. Phloem vessels
C. Messophyll cells
D. Root hair
Answer:
A. Xylem vessels
88.The appearance of drops of water on the tips or edges of leaves is called:
A. Guttation
B. Transpiration
C. Thermo-regulation
D. Osmosis
Answer:
A. Guttation
89.Plants deposit, many metabolic wastes in their bodies as
A. harmless insoluble materials
B. soluble materials
C. harmful materials
D. harmful soluble materials
Answer:
A. harmless insoluble materials
90.Calcium oxalate is deposited in the form of crystals:
A. in the leaves and stems of plants
B. in the roots of plants
C. in the mesophyll cell of plants
D. in the xylem and phloem
Answer:
A. in the leaves and stems of plants
