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Ion that gives colour to water is:
Infectious proteins are present in:
After karyogamy followed by meiosis, spores are produced exogenously in?
Viroids differ from viruses in having;
Which one of the following is wrong for fungi?
The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals include the:
Methanogens belong to:
Choose the wrong statement:
A galvanometer having a coil resistance of 60 $\Omega$ shows full scale deflection when a current of 1.0 A passes through it. It can be converted into an ammeter to read currents upto 5.0 A by
Which of the following can be used as the halide component for Friedel-Crafts reaction?
One of the major compounds of the cell wall of most fungi is?
Which one of the following statements is wrong?
In which group of organisms the Cell walls form two thin overlapping shells which fit together?
Which of the following algae produce Carrageen?
Select the mismatch
The unit of reduction factor of the tangent galvanometer is:
Which one of the following pairs is wrongly matched?
Gemmae are present in:
Which of the following organisms are known as chief producers in the oceans?
In a double slit experiment, when light of wavelength 400 nm was used, the angular width of the first minima formed on a screen placed 1 m away, was found to be 0.2°. What will be the angular width of the first minima, if the entire experimental apparatus is immersed in water? ($\mu_{water} = 4/3$)