Lower limits of detection by sensors is important. Which method of detection is more sensitive than glass electrode used for pH measurement? (1) Absorption spectroscopy (2) Refractive index (3) Circular […]
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CSIR NET Life Science Previous Year Questions and Solution Biosensors
Enzyme used in blood glucose biosensor estimation
Which enzyme is used in estimation of glucose from blood sample using biosensors? (1) Alkaline phosphatase (2) Glucose oxidase (3) Glycogen phosphorylase (4) Glucokinase Detailed option-wise explanation: […]
CSIR NET Life Science Previous Year Questions and Solution on applied biology
Bioventing, natural attenuation, air sparging and biostimulation: correct definitions in bioremediation
The table below lists terms used in bioremediation (column X) and explanations for the terms column Y). Which one of the following options is a correct match between terms in […]
CSIR NET Life Science Previous Year Questions and Solution on applied biology
Matching phytoremediation terms: excluders, metal transporters, hyperaccumulators and high-biomass non‑accumulators
Given below are some terms and concepts related to phytoremediation in Column A and B Which one of the following options represents the most appropriate match of all terms/concepts in […]
CSIR NET Life Science Previous Year Questions and Solution on applied biology
What happens during secondary sewage treatment?
17. Secondary sewage treatment involves (1) Physical removal of solids from polluted water by filtration and sedimentation (2) removal of chemical remains by precipitation (3) removal of dissolved organic compounds […]
CSIR NET Life Science Previous Year Questions and Solution on applied biology
Which plant is widely used to phytoextract cadmium from contaminated soil?
16. Which plant has been used in phytoremediation for uptake of cadmium from contaminated soil? (1) Helianthus annus (2) Brassica juncea (3) Silene vulgaris (4) Oscimum basalicum Option-wise explanation Helianthus […]
CSIR NET Life Science Previous Year Questions and Solution on applied biology
Which aquatic plant removes heavy metals from water?
Among the following which plant removes heavy metal from water? (1) Eichornia (2) Nymphia (3) Pistia (4) Salvia Option-wise explanation Eichornia (water hyacinth) – correct Eichhornia crassipes is […]
CSIR NET Life Science Previous Year Questions and Solution on applied biology
Chinese Brake fern Pteris vittata as an arsenic hyperaccumulator
Chinese Brake fern (Pteris vittata) is hyperaccumulator of: (1) Cadmium. (2) Arsenic. (3) Lead. (4) Chromium Option-wise explanation Cadmium Some plants (for example Thlaspi/Noccaea caerulescens) are classic […]
CSIR NET Life Science Previous Year Questions and Solution on applied biology
How Thlaspi caerulescens resists cadmium and zinc: role of metal ATPases
13. Heavy metal (cadmium & zinc) resistance in Thalspie curulesiensis is due to (1) Presence of cation efflux pumps (metal ATPase) (2) Presence of Na-K pumps (3) Metal adsorbtion (4) […]
CSIR NET Life Science Previous Year Questions and Solution on applied biology
Which plant family is most widely used in phytoremediation?
Among the following which plant family has been extensively used for phyto-remediation (1) Poaceae (2) Brassicaceae (3) Malvaceae (4) Anonaceae Option-wise explanation Poaceae Grasses such as Phragmites, Vetiveria, and Miscanthus are important […]
