44, Energy intensity is measured by the :
(வி வண of energy required per unit output or activity
(B) வண of energy used by the activily
(0 quantity of energy produced by an action
(D) quantity of energy used by unit volume of mass
45. The role of nebuliser in Atomic Absorption Spectroscopy 15 :
(है) Converts the liquid sample into small bubbles
(B) Heat and push the sample to the detector
(C) Converts the liquid sample into a fine spray or aerosol
(12) Homogenizing the solutes
46. An example of neuston is :
(ಗೆ) fish (0) chironomous larvae (C) water strider (12) copepod
47. The instrument which records the vibration of earth :
(A} Seismogram (8) Clinometer 0 Setsmometer (10) Richter scale
48. The pomt in the earth where the seismic waves originate :
(A) Seismic area {ए} Hypocentre (८) Epicentre (D) Fault
49, The set of biotic and abiotic conditions in which a species is able 10 persist and maintain
stable population sizes is known as :
(A) Ecological niche (B) Habitat (C) Community (D) Ecotone
50. In oceans, down welling occurs in the areas of ;
(ക) High current and salinity (18) Surface convergence
(©) High offshore winds (D) Surface divergence
51. The following is not an application of HPLC :
(A) Detection of vitamin D levels in urine
(18) Estimation of bioethanol production
(८) Detection of heavy metals
(D) Drug detection in water samples
52, Third generation biofuels are derived from :
(५५) Pongamia (8) Jatropha (C) Animal fat (D) ‏عدولا‎
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