Q: Which one of the following wavelength radiations may correspond to an X-ray?
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32 previous year questions
Q: Which one of the following wavelength radiations may correspond to an X-ray?
Q: Which one of the following statements is NOT correct?
Q: Two conducting wires of the same material and of equal lengths and equal diameters are first connected in parallel and then in series in a circuit across the same potential difference. The ratio of heat produced in parallel and series combinations is
Q: A system that does NOT allow exchange of heat with its surrounding is called
Q: The intermixing of particles of two different types of matter on their own is called
Q: The relative atomic mass of boron (which exists in two isotopic forms 10B and 11B) is 10·81. What will be the abundance of 10B and 11B, respectively (consider a sample of 100 atoms) ?
Q: Organisms of which of the following phylum are called sponges?
Q: In most prokaryotes, the chromosome number is:
Q: The AC mains domestic supply current in India changes direction in every
Q: The mass number of argon is 40. Which one of the following statements is correct?
Q: Which one of the following is the correct order of the valencies of elements Ne, Si, N and Mg?
Q: Which one of the following wavelengths corresponds to the wavelength of X-rays?
Q: Human eye can see objects at different distances with contrasting illuminations. This is due to
Q: Which one of the following reactions is an example of decomposition reaction?
Q: A current of 0.6 A is drawn by an electric bulb for 10 minutes. Which one of the following is the amount of electric charge that flows through the circuit?
Q: Bronze is an alloy of
Q: The digestive enzymes are present in
Q: After fertilization, the fruit and the seed are produced by
Q: The real beginning of western education in India can be dated from
Q: Solder is an alloy of
Q: Which of the following sets of elements has the same valency?
Q: In a dicot pot herb, vaseline/vegetable oil was applied on the upper surface of one leaf (Experimental leaf 1) and on the lower surface of another leaf (Experimental leaf 2). Vaseline/vegetable oil was not applied on the control leaf. The plant was deliberately not watered for several days. Which leaf will dry up last?
Q: A current of 1·0 A is drawn by a filament of an electric bulb for 10 minutes. The amount of electric charge that flows through the circuit is
Q: 'Beats' is a phenomenon that occurs when frequencies of two harmonic waves are
Q: During seed germination, the part of the embryo which grows into root is
Q: Which one of the following hormones is responsible for the development of female sexual characters?
Q: Which one of the following statements regarding magnetic field is NOT correct ?
Q: Neutrons were discovered by
Q: Which one of the following is NOT a component of human male reproductive system?
Q: Mitochondria are able to produce their own
Q: Which one of the following statements is correct?
Q: Which one of the following is a major plate?