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General Knowledge :: Biology

  1. The genotype of a plant showing a dominant phenotype can be determined by

  2. A.

     Backcross

    B.

     Dihybrid cross

    C.

     Testcross

    D.

     Pedigree analysis


  3. Which of the following is not true about colour blindness?

  4. A.

     Colour blind people learn to rely on shapes, patterns, and positions of signs and signals

    B.

     Red-green colour blindness is the most common type of colour blindness

    C.

     A colour blind person cannot see any colours

    D.

     For some people, it might be difficult to recognize colours of traffic lights and signs


  5. Stem Cell Therapy (SCT) is not useful for the treatment of which one of the following ailments?

  6. A.

     Kidney failure

    B.

     Cancer

    C.

     Brain injury

    D.

     Vision impairment


  7. Which part of human eye controls the amount of light entering the eye?

  8. A.

     Pupil

    B.

     Iris

    C.

     Cornea

    D.

     Retina


  9. What is the distance of distinct vision (DDV) of a normal human eye?

  10. A.

     15 cm

    B.

     25 cm

    C.

     30 cm

    D.

     40 cm


  11. The outer white part of the eye which is supporting wall of the eyeball is known as

  12. A.

     Cornea

    B.

     Sclera

    C.

     Iris

    D.

     Retina


  13. Human eye can differentiate between colours due to

  14. A.

     Rods

    B.

     Cones

    C.

     Bipolar nerves

    D.

     Pigmented epithelium


  15. The outer membrane that covers the brain is

  16. A.

     Myelin sheath

    B.

     Dura mater

    C.

     Arachnoid membrane

    D.

     Pia mater


  17. The innermost membrane that covers the brain is

  18. A.

     Pleura

    B.

     Duramater

    C.

     Pia mater

    D.

     Arachnoid membrane


  19. Which systems comprise the nervous system?

  20. A.

     Central nervous system

    B.

     Peripheral nervous system

    C.

     Both A & B

    D.

     None of the above