CBSE
Leprosy is also called as
Hansen's disease
sarcoma
slim disease
leukamia
A simple technology has been developed in India for plant breeders and farmers to use two plants as biofertilizers for growing rice. These are
Azotobacter and Rhizobium
Chlorella and Spirulina
Azolla and nitrogen fixing blue-green algae
Riccia and Marchantia
Yeast is used in the production of :
acetic acid
citric acid
ethyl alcohol
curd
Streptomycin was isolated first time by :
A. Flemming
Robert Koch
N. Borlaug
S. Waksman
Which of the following micro-organism is used for conversion of milk into curd?
Xanthomonas citri
Bacillus megatherium
Acetobacter aceti
None of the above
Which of the following is the product of glucose fermentation by yeast?
C6H12O6
C2H5OH
(C6H10O5)n
CH2OH
The pesticide used as preventive measure in buildings is :
aldrin
dieldrin
endrin
DDT
Cheese and yogurt are the products of
dehydration
fermentation
pasteurization
distillation
Curdling of milk in small intestine occurs due to the action of
rennin
erypsine
trypsin
chymotrypsin
Which of the following pesticides is an acetylcholinesterase inhibitor?
Aldrin
BHC
Endosulfan
Malathion