46 .Incomplete break down of sugar in anaerobic respiration form -
A.  Fructose and water
B.  Glucose and CO2
C.  Alcohol and CO2
D.  Water and CO2
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47 .Respiration is -
A.  Catabolic process that uses carbon dioxide, produce oxygen and converted released energy to ATP
B.  Anabolic process that uses oxygen and carbon dioxide to form ATP
C.  Anabolic process that uses oxygen, piduces carbon dioxide and converts released energy into ATP
D.  Catabolic process that uses oxygen produces carbon dioxide and converts released energy into ATP
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48 .Harmone helping in cell division-
A.  IAA
B.  NAA
C.  Cytokinn / Seatin
D.  Cibberellin
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49 .The instrument by which rate of growth of plant is measured-
A.  Hydrometer
B.  Auxanometer
C.  Osmometer
D.  Potometer
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50 .For the growth in length of plant which of the following is not essential-
A.  Sodium
B.  Calcium
C.  Nitrogen
D.  Phosphorus
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51 .Example of positive geotropism is-
A.  Closing of flower
B.  Upward growth of stem
C.  Downwards growth of root
D.  Lateral growth of root
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52 .Leaves of which of the following plants are not used for the rearing of silkworms?
A.  Mulberry
B.  Castor
C.  Oak
D.  Teak
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53 .Water and mineral in plant is transported through-
A.  Xylem
B.  Phloem
C.  Pith
D.  Cortex
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54 .Number of stomata is less and sunkin in-
A.  Mesophytes
B.  Halophytes
C.  Hydrophytes
D.  Xerophytes
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55 .Which of the following is used as rodenticide?
A.  Zinc phosphide
B.  Zinc carbonate
C.  Zinc chloride
D.  Zinc sulphide
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56 .Red not of sugarcane is caused by-
A.  Calletotrichum falcatum
B.  Cercopspora personata
C.  Alternaria alternata
D.  Phylophthora Infestans
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57 .Element playing role in nitrogen fixation-
A.  Mn
B.  Mo
C.  Zn
D.  Cu
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58 .Branch of science which deal with the study of skin of man-
A.  Physiology
B.  Anatomy
C.  Biochemistry
D.  Demetology
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59 .Study of disease like cancer-
A.  Osteology
B.  Oncology
C.  Karyology
D.  Nephrology
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60 .What is vermicultrue?
A.  The science of raising worms
B.  The science of studying
C.  The science of killing worms
D.  None of these
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