The concept that various organisms dominated this planet during various geological time period and thus placing organisms in a time squence came from the studies by ?

Related Mcqs:

1. The concept that various organisms dominated this planet during various geological time period and thus placing organisms in a time squence came from the studies by________?

   A. Environmental biologist
   B. Paleontologist
   C. Marine biologist
   D. Social biologist

2. Control of organisms by using living organisms is called_______?

   A. Bioremediation
   B. Integrated disease management
   C. Antisepsis
   D. Biological control

3. Study of interaction of living organisms with other organisms and their environment relates with ___________ ?

   A. Botany
   B. Ecology
   C. Social biology
   D. Pharmacology

   Submitted by: Rashid Mehmood

4. Today the land habitat is dominated by__________________?

   A. Fungi
   B. Gymnosperms
   C. Angiosperms
   D. Tracheophytes

5. A chemical substance that reacts with enzyme but is not transformed into product and thus blocking active site is called__________?

   A. Substrate
   B. Co-factor
   C. Inhibitor
   D. Promotor

6. Who first observed and thus hypothesized that new cells are formed from previously existing living cell?

   A. Theodor Schwann and Schleiden
   B. Rudolph Virchows
   C. Louis Pasteur
   D. Both b and c

7. A chemical substance which can react (in place of substrate) with the enzyme but is not transformed into product/s and thus blocks the active site temporarily or permanently is called_______________?

   A. Co-enzyme
   B. Blocker
   C. Inhibitor
   D. Cofactor

8. Removal or degradation of environmental pollutants or toxic materials by living organisms is called__________?

   A. Integrated disease management
   B. Hydroponic culture technique
   C. Pasteurization
   D. Bioremediation

9. Autotrophic organisms can exist in an exclusively ________________ environment?

   A. Organic
   B. Inorganic
   C. Wet
   D. Terrestrial

10. ——– is used as a vector for cloning into higher organisms.

    A. Retrovirus
    B. Baculovirus
    C. Salmonella typhimurium
    D. Rhizopus nigricans

    Submitted by: Maria Aziz