CSIR NET Life Sciences December 2008 Paper (Part 1 of 14)

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  1. Which of the following pair is isotones?

    1. 3H, 4He

    2. 15N, 14N1

    3. 140Ba, 140Th

    4. 1H, 3H

  2. What would be energy released on breaking H-H covalent bond (generally energy of covalent bond lies in between 100 − 200 Kcal/mol)

    1. 4.36 × 105 J/mol

    2. 1 × 1019 J/mol

    3. 5 × 1019 J/mol

    4. 8 × 1019 J/mol

  3. The mode of sex determination in humans is

    1. Haploidy-diplody

    2. XXXY

    3. ZZ-ZW

    4. Genic balance

  4. The region of visible light which is most useful for photosynthesis is

    1. Blue, red

    2. Green, red

    3. Violet, blue

    4. Green, blue

  5. Why the inner planet's surfaces are made up of rocky denser metals, whereas the outer planets are made of mainly light gases which is lesser denser then the outer planets

    1. Inner planets are formed earlier

    2. Sun rays pushes gases far apart

    3. Centrifugal force attract denser planet near sun

    4. Inner planets are near to sun, thus high temperature has blown most of lighter gases.

  6. In the following algorithm loops how many times internal loops will be executed i = 0 j = 0 while i = 1 to 100 i = 1, 100, 2 j = 1, 100, 2 stop

    1. 100

    2. 501

    3. 151

    4. infinity

  7. Correct graphical representation for frequency of Indian population according to their annual income is (IFAS Answer 1)

  8. Among the following maximum reflectance s (albedo effect) will be observed at

    1. Ice covered land

    2. Ocean

    3. Vegetation land

    4. Deserts

  9. A charged particle having mass ‘m’ and charged ‘q’ is moving through constant electric field ‘E’ the time to cover given path will depends on

    1. mx1/2

    2. qx1/2

    3. Ex1/2

    4. M1/2 q1/2E1/2

  10. A current (I) carrying solenoid of length ‘l’ radius ‘a’ the charge in magnetic field along axis of solenoid ‘r’ will be (IFAS Answer 1)