GK Quiz on Science: Life Science Set V

18-MAY-2016 10:04

    GK Quiz on Science: Life Science Set V, in this set you will find repository of 10 Multiple Choice Questions related to the life Science that will help you to attune and equipped for different competitive examinations as well as academic examinations.

    1. How many HIV positive infections that are occurring everyday in the world?

    A. 6,000

    B. 60,000

    C. 600,000

    D. 1,000,000

    2. Bombyx mori, that produces fine filaments of silk inside the cocoon, is a:

    A. Butterfly

    B. Dipteran (silkworm)

    C. Moth

    D. Mulberry plant hemipteran

    3. Why was DDT banned which an organ chlorine compound, used first to control malaria, carried in mosquitoes and later to a variety to insect pests?

    A. It brings about a change in sex chromosomes

    B. It persists in the environment and bio-accumulates

    C. It increases its affinity hundred-fold for haemoglobin preventing its coupling with oxygen

    D. All of these

    4. What is the reason behind the small shrunken scrotal of an adult bulls straying on Delhi roads?

    A. Congenital defect

    B. Negative feedback due to extremely high levels of testosterone

    C. Castration

    D. All of these

    5. Which of the following components increases the effectiveness of the Photosynthesis process?

    A. Ultraviolet

    B. Red

    C. Blue

    D. Infrared

    6. What is the weight of human heart?

    A. 100 gms

    B. 300 gms

    C. 800 gms

    D. 1000 gms

    7. Which of the following  gland controls the blood pressure?

    A. Thalamus gland

    B. Adrenal gland

    C. Thyroid gland

    D. Pancreas gland

    8. In which organ of the human body are the lymphocyte cells formed?

    A. Liver

    B. Long bone

    C. Pancreas

    D. Spleen

    9. Which of the following is one of the functions of antigen?  

    A. Lowers body temperature

    B. Destroys harmful bacteria

    C. Triggers the immune system

    D. Used as an antidote to poison

    10. Which of the following process that does not involve evolution of CO2?

    A. Combustion

    B. Respiration

    C. Fermentation

    D. Photosynthesis

    Question No.






















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