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NEET Test 153...

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  • Question 1
    4 / -1

    In sickle cell anemia due to point mutation, the sixth amino acid, glutamic acid in beta chain of hemoglobin is replaced by

  • Question 2
    4 / -1

    By which of the following reagents, butanoic acid can be converted into butane?

  • Question 3
    4 / -1

    To reduce the de Broglie wavelength of an electron from 100 𝑝𝑚 to 50 𝑝𝑚, the required increase in energy will be:

  • Question 4
    4 / -1

    The oxidation number of sulphur in H2S2O8 is:

  • Question 5
    4 / -1

    Match columns I and II, and choose the correct combination from the options given:

    Column I Column II
    (a) Selaginella (i) Psilopsida
    (b) Equisetum (ii) Lycopsida
    (c) Adiantum (iii) Sphenopasida
    (d) Dryopteris (iv) Pteropasida

  • Question 6
    4 / -1

    Homologous repeats are involved in which of the following types of mutation?

  • Question 7
    4 / -1

    In a particular system, the unit of length, mass and time are chosen to be 10 cm,10 g and 0.1 s respectively. The unit of force in this system will be equivalent to -

  • Question 8
    4 / -1

    A resistor of 200Ω and a capacitor of 15.0𝜇F are connected in series to a 220 V,50 Hz ac source. Calculate the current in the circuit;

  • Question 9
    4 / -1

    Caffeine has a molecular weight of 194. If it contains 28.9% by mass of nitrogen, the number of atoms of nitrogen in one molecule of caffeine is:

  • Question 10
    4 / -1

    Consider the separate solution of 0.500MC2H5OH(aq),0.100MMg3(PO4)2(aq), 0.250MKBr(aq) and 0.125MNa3PO4(aq) at 25∘C. Which statement is true about these solutions, assuming all salts to be strong electrolytes?

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