Of the total body weight of the organism, water constitutes about:

Related Mcqs:

1. The transfer of energy from organism to organism is a natural community establishes:

   A. Food chains B. Biological control C. Natural barriers D. All the above...

2. Escherichia coli is used as an indicator organism to determine pollution of water with:

   A. Heavy metals B. Faecal matter C. Industrial effluents D. Pollen of aquatic plants...

3. Common indicator organism of water pollution is:

   A. Eichhornia crassipes B. Escherichia coli C. Entamoeba histolytica D. Lemna pancicostata...

4. A habitat of long severe winters and growing season limited to a few months of summer constitutes:

   A. Savana ecosystem B. Taiga ecosystem C. Tundra ecosystem D. None of the above...

5. The rate of replacement of species composition with the change in the environment constitutes:

   A. Gamma diversity B. Beta diversity C. Community diversity D. Ecosystem diversity...

6. The region constitutes a series of high mountain ranges of:

   A. Karakrum B. Hindu Kush C. Pamir D. All of the above...

7. The transfer of food energy from the source in plants through a series of organism with repeated stages of eating and being eaten is known as:

   A. Food web B. Food chain C. Food cycle D. None of these...

8. Which one of the following is not a matching pair of certain organism/s and the kind of association?

   A. Shark and sucker fish-commensalism B. Algae and fungi in lichens-parasitism C. Orchids growing on trees-epiphytism D. Cuscuta (doder) growing on other flowering plants-epiphytism...

9. Type of relationship in which one organism is benefitted while there is no effect on other:

   A. Symbiosis B. Commensalism C. Mutualism D. Parasitism...

10. Functions of organism matter are:

    A. Provide N.P.S. B. Increase water holding capacity of soil C. Reduce impact of falling rain drops D. Source of energy for micro-organisms E. All of the above...