हिंदी

What Will Be the Amount of Energy Available to the Organisms of the 2nd Trophic Level of a Food Chain If the Energy Available at the First Trophic Level is 10,000 Joules?

Advertisements
Advertisements

प्रश्न

What will be the amount of energy available to the organisms of the 2nd trophic level of a food chain if the energy available at the first trophic level is 10,000 joules?

Advertisements

उत्तर

On applying the 10% law to the food chain, the organisms of the 2nd trophic level of the food chain will have 1000 joules of energy.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
2014-2015 (March) All India Set 1

वीडियो ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्न

What is the role of decomposers in the ecosystem?


At which trophic level a person is feeding when he is eating roasted chicken.


Write one or two word for the following statement/definition :
Each level of food chain where transfer of energy takes place


The sea water contains water beetles, tadpole, fish and weeds.

Which organisms can trap solar energy to make food?


If 5 joules of energy is available at producer level (plants), then how much energy will be transferred to the lion in the following food chain?
Plants → Goat → Lion


Which of the following gets the minimum energy through the food chain in an ecosystem?
(a) carnivore
(b) large carnivore
(c) producer
(d) herbivore


Human body is made up of five important components, of which water is the main component. Food, as well as potable water, are essential for every human being. The food is obtained from plants through agriculture. Pesticides are being used extensively for a high yield in the fields. These pesticides are absorbed by the plants from the soil along with water and minerals and from the water bodies these pesticides are taken up by the aquatic animals and plants. As these chemicals are not biodegradables, they get accumulated progressively at each trophic level. The maximum concentration of these chemicals gets accumulated in our bodies and greatly affects the health of our mind and body.
  1. Why is the maximum concentration of pesticides found in human beings?  (1)
  2. Give one method which could be applied to reduce our intake of pesticides through food to some extent.  (1)
  3. Various steps in a food chain represent:  (1) 
    1. Food web
    2. Trophic level
    3. Ecosystem
    4. Biomagnification
  4. With regard to various food chains operating in an ecosystem, man is a:   (1)
    1. Consumer
    2. Producer
    3. Producer and consumer
    4. Producer and decomposer

A food chain comprising birds, green plants, fish and man. The concentration of harmful chemical entering the food chain will be maximum in ______.


Observe the food web and answer the questions given below:

Why do all food chains start with plants?


Which group of organisms are not constituents of a food chain?

  1. Grass, lion, rabbit, wolf
  2. Plankton, man, fish, grasshopper
  3. Wolf, grass, snake, tiger
  4. Frog, snake, eagle, grass, grasshopper

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×