Related Questions

The number of bacteria in a colony was growing exponentially . At 1 pm yesterday the number of bacteria was 1000 and at 3 pm yesterday it was 4000. How many bacteria were there in the colony at 6 pm yesterday ?
A 32,000
B 80,000
C 60,072
D 7,683
A certain population of bacteria doubles every 10 minutes. If the number of bacteria in the population initially was 104, what was the number of bacteria in the population 1 hour later?
A 2(104)
B 6(104)
C (26) (104)
D (106)(104)
It takes 30 days to fill a laboratory dish with bacteria, If the size of the bacteria doubles each days, how long will it take for the bacteria to fill one-----half of the dish?
A 10 days
B 15 days
C 24 days
D 29 days
Select the correct form of the verbs from the alternatives against each verb in brackets in the following sentence ; Milk can (turn) into curd.
A turn
B be turned
C turned
D is turned
Curd is made - milk.
A of
B by
C in
D from
Name the catalyst used in the conversion of milk into curd.
A Pepsin
B Invertase
C Lactase
D Diastase
Curd is sour due to presence of
A Tartaric acid
B Lactic acid
C Acetic acid
D Oxalic acid
Curd is made --- milk.
A of
B by
C in
D from
Curd is made ____ milk.
A of
B in
C by
D with
The type of bacteria which is active in trickling filter during biological treatment of sewage is the __________ bacteria.
A Anaerobic
B Saphrophytic
C Aerobic
D Parasitic

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