मराठी

In a Food Chain, the Third Trophic Level is Always Occupied by : (A) Carnivores (B) Herbivores (C) Decomposers (D) Producers - Science

Advertisements
Advertisements

प्रश्न

In a food chain, the third trophic level is always occupied by :
(a) carnivores
(b) herbivores
(c) decomposers
(d) producers

Advertisements

उत्तर

carnivores
The third trophic level is always occupied by carnivores. The first trophic level is occupied by producers, the second by herbivores and the fourth by decomposers.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 5: Our Environment - Exercise 1 [पृष्ठ २२८]

APPEARS IN

लखमीर सिंह Biology (Science) [English] Class 10
पाठ 5 Our Environment
Exercise 1 | Q 52 | पृष्ठ २२८

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

"Our food grains such as wheat and rice, the vegetables and fruits and even meat are found to contain varying amounts of pesticide residues." State the reason to explain how and why it happens?


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


What name has been given to those organisms which break down the complex organic compounds present in dead animals and plants?


Which of the following belong to the same trophic level?
Goat ; Spider ; Plants ; Hawk ; Rat

 

One of the following is not a consumer. This one is :
(a) giraffe
(b) antelope
(c) algae
(d) alligator


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

Which organisms can trap solar energy to make food?


A food chain occurring in the sea which provides food for many people can be written as :
phytoplankton → zooplankton → X → Y

Which organism in the above food chain is a (1) primary consumer, and (2) tertiary consumer?


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


In a food chain consisting of grass, frog, bird and insects, where will the concentration of the harmful chemicals be maximum?


Fill in the following blank with suitable word :

 Grass → ........... → Human


What is meant by bioconcentration of pesticides


The ten per cent law is associated with
(a) transfer of energy from various trophic levels to decomposers in a food chain
(b) transfer of ATP energy into muscular energy
(c) transfer of chemical energy from one organism to another
(d) transfer of sun's energy to the organisms called producers.


A food chain consists of fish, larvae, phytoplanktons and birds. The level of pesticides in water in which the fish, larvae and phytoplanktons live is quite high.

Which other organism you could write in place of bird in the above food chain?


"Energy flow in food chains is always unidirectional". Justify this statement. Explain how the pesticides enter a food chain and subsequently get into our body.

 

 

Arrange the following in a correct sequence and form a food chain

Human → Insect → Algae → Fish


In a given food chain if the amount of energy at the fourth trophic level is 6 kJ, what will be the energy available at the producer level?


Which of the following is an autotroph?


In a food chain, the third trophic level is always occupied by


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×