Correct Answer:- Option-A
Question68:-Basic principle of separation in Paper Chromatography is
A:-Adsorption
B:-Partition
C:-lon exchange
D:-None of these
Correct Answer:- Option-B
Question69:-Parts Per Million (PPM) means
A:-mg/L
B:-ug/mL.
C:-Both (1) and (2)
D:-None of these
Correct Answer:- Option-C
Question70:-Autoclaving is
A:-Red heat sterilization
B:-Chemical sterilization
C:-Dry heat sterilization
D:-Moist heat sterilization
Correct Answer:- Option-D
Question71:-MPN test enumerates
A:-ul{text{E.coli}}* only
B:-Coliforms
C:-Fungi
D:-Viruses
Correct Answer:- Option-B
Question72:-The main cause of Fukushima Power Plant Accident was
A:-Tsunami
B:-Faulty Reactor Design
C:-Human error
D:-Safety violations
Correct Answer:- Option-A
Question73:-When input of water is more than output of water the condition called as
A:-Water logging
B:-Wet land
:-Acidic soil
D:-Alkalinity
Correct Answer:- Option-A
Question74:-Which of the following is a principle of Green chemistry?
A:-100% efficient conversion
B:-No or low energy
:-Less hazardous chemical use
D:-Alll of these
Correct Answer:- Option-D
Question75:-The material used as biosensor is
A:-Antibody
B:-Hormone
C:-Neural receptor
D:-Alll of these
Correct Answer:- Option-D
Question76:-Which of the following is energy crop?
A:-Potato
-Corn
C:-Sugarcane
D:-Alll of these
Correct Answer:- Option-D
Question77:-Mychorrhizal infections in forest trees is an example of
A:-Parasitism
B:-Symbiosis
C:-Competition

is created in field.