Which of the following can be used for biological control of mosquitoes?
Gambusia can be used for the biological control of mosquitoes. Gambusia is a fish species that feeds on larvae of mosquitoes. Oil can also be used to prevent the breeding of mosquitoes on stagnant water by creating an oil slick on water. Ointments are used by humans which provide protection from mosquito bites. Dichlorodiphenyltrichloroethane (DDT) is an insecticide which can also be used to control (Not biologically) mosquitoes.
What should come in place of '?' in the given series?
5 15 35 75 155 ?
Select the letter-cluster from among the given option that can replace the question mark (?) in the following series.
LOT, NRX, KNS, OSY, ?
...B, D, F, H, G, O, T and W are eight family members. B is the brother of G. T is the son of W. O is the son of G. H is D’s wife. G and W are sisters. F...
NUCLEAR : DVOMSBF :: WEAPONS : BFXQTOP :: MISUSES : ?
How many simple lines are there in the given image?
Select the figure that will come next in the following figure series.
In a certain code language, MAN is written as OCP and GEM is written as IGO. How will CAT be written in that language?
Select the option that is related to the fifth letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster and th...
Select the option figure in which the given figure is embedded (rotation is NOT allowed).
Read the given statement and conclusions carefully. Decide which of the given conclusion/s is/are true based on the given statement.
Statement: ...