हिंदी

In Addition to Wheat Plants, a Crop Field Ecosystem Has Organisms Such as Snake, Peacock, Eagle and Mice. If the Wheat Plants Are Sprayed with Pesticides Periodically, Which of the Following Will Have

Advertisements
Advertisements

प्रश्न

In addition to wheat plants, a crop field ecosystem has organisms such as snake, peacock, eagle and mice. If the wheat plants are sprayed with pesticides periodically, which of the following will have the minimum concentration of pesticides in the body?
(a) snake
(b) eagle
(c) mice
(d) peacock

Advertisements

उत्तर

mice
As mice are in the lowest trophic level, they will have the minimum concentration of pesticides in their body.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 5: Our Environment - Exercise 2 [पृष्ठ २४२]

APPEARS IN

लखमीर सिंग Biology Part 3 [English] Class 10
अध्याय 5 Our Environment
Exercise 2 | Q 54 | पृष्ठ २४२

वीडियो ट्यूटोरियलVIEW ALL [1]

संबंधित 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?


What will happen if we kill all the organisms in one trophic level?


Define decomposers. 


What is meant by a primary consumer, secondary consumer and a tertiary consumer? Give one example of each.


What is a food chain?


Organisms of a higher trophic level which feed on several types of organisms belonging to a number of lower trophic levels constitute the ______.


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

Which organisms in the food chain are herbivore, and carnivores?


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

Which organisms can trap solar energy to make food?


What would happen to the number of rabbits and grass plants if the number of foxes increased?


Write the percentage of energy transferred from autotrophs to the next level in a food chain.


The following statement is true or false :
Only 10 per cent of the light energy given by the sun is available for transfer at each higher trophic level in a food chain.


What does garbage consist of?


In the food chain given below, if the amount of energy available at fourth trophic level is 5 kJ, what was the energy available at the producer level?
Grass → Grasshopper → Frog → Snake → Hawk
(a) 500 kJ
(b) 50 kJ
(c) 5000 kJ
(d) 5 kJ


An aquatic food chain comprises of the organisms like tadpoles, weeds, fish and water beetles. The organism which gets the minimum energy through this food chain is :
(a) water beetles
(b) tadpoles
(c) weeds
(d) fish


Primary consumers that eat plants are called _______.


The process of accumulation of harmful chemical substances like pesticides, in the body of living organisms at each trophic level of a food chain is known as ______.


Food chains are very important for the survival of most species.

If 10,000 J solar energy falls on green plants in a terrestrial ecosystem, what percentage of solar energy will be converted into food energy?


______ obtained energy from the chemical breakdown of dead organisms.


Use of several pesticides which results in excessive accumulation of pesticides in rivers of ponds, is a matter of deep concern. Justify this statement. 


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×