Food chains are met with only in the:

Related Mcqs:

1. The number of kinds of food chains:

   A. One
   B. Two
   C. Three
   D. Four

2. Short and simple food chains are rare in the world and may be found in simple ecosystems like:

   A. Savanna
   B. Tundra
   C. Grassland
   D. Desert

3. The ration of food energy assimilated to the food energy ingested is called:

   A. Trophic level efficiency
   B. Photosynthetic efficiency
   C. Net production efficiency
   D. Assimilation efficiency

4. Mr. X is eating curd/yoghurt. For this food intake in a food chain he should be considered as occupying:

   A. First trophic level
   B. Second trophic level
   C. Third trophic level
   D. Fourth trophic level

5. The temperature deciduous tree genera, Acer, Aesculus, Prunus, Ulmus, Fraxinus, Corylus and Alnus are met with:

   A. Fairly generally
   B. Form local consociations
   C. Both (a) & (b)
   D. None of these

6. About 95% of the energy requirements in Pakistan are met with by the:

   A. Nuclear power plants
   B. Hdroelectric power
   C. Fossil fuels
   D. Solar energy

7. In a food chain, man is:

   A. Producer
   B. Primary consumer only
   C. Primary and Secondary consumer
   D. Secondary consumer only

8. Which group of three living organisms, given below is a link in food chain: Green plants …. Hawk:

   A. Grasshopper, frog, snake
   B. Grasshopper, rat, snake
   C. Millipedes, centipedes, sparrow
   D. Earthworm, hen, rat

9. In a food chain the largest population is that of:

   A. Producers
   B. Decomposers
   C. Tertiary consumers
   D. Primary consumers

10. Food levels in an ecosystem are called:

    A. Trophic levels
    B. Consumer levels
    C. Producer levels
    D. Herbivores levels