English

Some Hunters Are Roaming in the Plush Green Forest of Africa. They Spot a Deer and Kill It. They Decide to Roast the Deer There and Then and Eat It.(A) Write a Food Chain Which Provides Food to Lion I - Science

Advertisements
Advertisements

Question

Some hunters are roaming in the plush green forest of Africa. They spot a deer and kill it. They decide to roast the deer there and then and eat it. When the hunters had just finished enjoying the feast of roasted deer, a lion attacks them. The lion kills one of the hunters and eats his flesh.
(a) write a food chain which provides food to lion in this case.
(b) Which animal (other than deer) the lion could look for food if he did not get the hunter as prey?
(c) Which other animal in the forest could have been in place of lion?
(d) How does the above food chain differ form the food chain such as : plants → goat → man?

Advertisements

Solution

(a) The following is the food chain that provides food to the lion in the given case:
                                 Plants→Deer→Man → Lion
(b) The lion could have looked for a herbivore, such a wild buffalo or a zebra, if it he had not got the hunter as prey.
(c) Any top consumer, such as a tiger or a python, could have been in the place of the lion in the forest.
(d) In the food chain, 
Plants→ Goat→ Man
man is the top consumer whereas, in the food chain,

Plants→ Deer→ Man→ Lion,
the top consumer is lion.

shaalaa.com
  Is there an error in this question or solution?
Chapter 5: Our Environment - Exercise 1 [Page 230]

APPEARS IN

Lakhmir Singh Biology (Science) [English] Class 10
Chapter 5 Our Environment
Exercise 1 | Q 77 | Page 230

Video TutorialsVIEW ALL [1]

RELATED QUESTIONS

What are trophic levels? Give an example of a food chain and state the different trophic levels in it.


Why are plants called producers?


Which of the following belong to the same trophic level?
Tree ; Frog ; Snake ; Grass ; Lizard

 

Write an aquatic food chain.


Write down a food chain with five links in it.


Give two differences between food chain and food web.


Give one example of a simple food chain.


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

Name one phytoplankton.


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

Name two zooplanktons.


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


Match the terms given in column I with the terms given in column II and column III having the same meaning :

Column I Column II Column III
(1) Secondary consumer Herbivore 1st trophic level
(2) Primary consume Autotroph 3rd trophic level
(3) Producer Carnivore 4th trophic level
(4) Tertiary consumer Large carnivore 2nd trophic level

Give one example of a food chain having four organisms. Below each organism write the three appropriate terms from the part (a) above which you think it represents.


How much energy will be available to hawks in the food chain comprising hawk, snake, paddy and mice, if 10,000 J of energy is available to paddy from the sun?


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


Green plants utilize ______ percent of sun’s energy to prepare their food by the process of photosynthesis.


______ are organisms that are able to produce their own organic food.


In the following food chain, vertical arrows indicate the energy lost to the environment and horizontal arrows indicate energy transferred to the next trophic level. Which one of the three vertical arrows (A, C and E) and which one of the two horizontal arrows (B and D) will represent more energy transfer? Give reason for your answer.

A food chain in a forest ecosystem


Assertion (A): The energy which passes to the herbivores does not come back to autotrophs.

Reason (R): The flow of energy in a food chain is unidirectional.


If a harmful chemical enters a food chain comprising peacocks, plants, rats and snakes, which of these organisms is likely to have the highest concentration of the chemical in its body? Justify your answer. Name the process involved and define it.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×