Home / General Knowledge / Biology :: section-17

General Knowledge :: Biology

  1. Which group of organisms serves as the best indicator of pollution in a water body?

  2. A.

     Plankton

    B.

     Benthos

    C.

     Nekton

    D.

     Neuston


  3. In female a small portion oviduct is removed and cut end is ligated by surgical operation is called

  4. A.

     Vasectomy

    B.

     Tubectomy

    C.

     Neurotomy

    D.

     Psycotomy


  5. Which of the following would cause gene flow?

  6. A.

     Individuals moving into population

    B.

     Genetic drift

    C.

     Mutation

    D.

     Artificial selection


  7. Oral pills of birth control prevent

  8. A.

     Ovulation

    B.

     Fertilization

    C.

     Pregnency

    D.

     Entery of sperm in uterus


  9. Study of population is

  10. A.

     Palentology

    B.

     Geofraphy

    C.

     Demography

    D.

     None of these


  11. Surgical procedure in which a small portion of sperm duct is removed and cut end ligated in male is called

  12. A.

     Vasectomy

    B.

     Tubectomy

    C.

     Neurotomy

    D.

     Psycotomy


  13. Which of the following serves as a nutritive tissue for the growing embryo?

  14. A.

     Ovule

    B.

     Zygote

    C.

     Ovary

    D.

     Endosperm


  15. In the human being, normally in which one of the following parts, does the sperm fertilize the ovum?

  16. A.

     Cervix

    B.

     Fallopian tube

    C.

     Lower part of uterus

    D.

     Upper part of uterus


  17. Finger like ends of the fallopian tubes are called

  18. A.

     Fimbriae

    B.

     Cysts

    C.

     Papillae

    D.

     Labia


  19. Gestation period in human

  20. A.

     6 month

    B.

     7 month

    C.

     8 month

    D.

     9 month