Home
Class 12
BIOLOGY
Go through the following Statements (i...

Go through the following Statements
(i) A trophic level represents one species
(ii) Pyramid of energy can never be inverted
(iii) Ecological pyramids hold true only for simply food chains
(iv) Saprophytes are included in the lower most bar in an energy pyramid
Choose the best options regarding them

A

Only (iv) is false

B

(ii) and (iii) are true

C

(i) and (ii) are true

D

All are true

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • Ecology

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|75 Videos

  • ENVIRONMENTAL ISSUES

    TRUEMAN BIOLOGY|Exercise CHECK YOUR CONCEPT (Environmental Issues/Pollution)|10 Videos

Similar Questions

Explore conceptually related problems

Go through the following statements. (i) Lipids are not strictly macromolecules. (ii) In a polysaccharide , the left end is called the non-reducing chain, the right end called the reducing end. (iii) Cellulose contains complex helices and hence cannot hold I_(2) . (iv) Collagen is the most abundant protein most abundant protein in the whole of the biosphere. Find out the correct statements .

Consider the following statements concerning food chains (i) Removal of 80% tigers from an area resulted in greatly increased growth of vegetation (ii) Removal of most of the carnivores resulted in an increased population of deers (iii) The length of food chains is generally limited to 3 - 4 trophic levels due to energy loss (iv) The length of food chains may vary from 2 to 8 trophic levels Which two of the above statements are correct?

Consider the following statements In an ecosystem energy (i) Movement is unidirectional (ii) Is lost irretrievably (iii) Movement is non-cyclic (iv) Movement is from higher to lower trophic levels Of these statements

Given below are a few statements regarding somatic hybridisation. Choose the correct statements. (i) Protoplasts of different cells of the same plant are fused. (ii) Protoplasts from cells of different species can fused. (iii) Treatment of cell with cellulase and pectinase mandatory. (iv) The hybrid protoplast contains characters of only one parential protoplast.

Consider the following four statements (i-iv) and select the option that correctly identifies the true (T) and false (F) ones. (i). Atrial natriuretic factor can cause vasodilation (dilation of blood vessels) and thereby decreases the blood pressure. (ii). On an average, 60-70 gm of urea is excreted out per day. (iii). Sebaceous glands eliminate certain substances like NaCl, urea and lactic acid through sebum. (iv). PCT is lined by simple cuboidal brush border epithelium which increases the surface area for reabsorption.

Consider the following statement (a-d) each with one or two blanks (a) Bears go into (1) ______during winter to (2)_____cold weather (b) A conical age pyramid with a broad base represents (3)_____human population. © A wasp pollinating a fig flower is an example of (4)_____ (d) an area with high levels of species richness is known as (5)_____ which one of the following options, gives the correct fill ups for the respective blank numbers from (1) to (5) in the statements:-

'All the pyramids, of number, of energy and biomass are upright''. (i) Grass land (ii) A big tree (iii) A sugarcane field (iv) The Arabian Sea Find the option which correctly tells the ecosystem (s) for which the above statement doesn't hold true.

This question has statement I and Statement II. Of the four choices given after the statements, choose the one that best describes the two Statements. (1) Statement-I is true, Statement-II is true, Statement-II is a correct explanation of Statement-I (2) Statement-I is true, Statement-II is true,Statement-II is not a correct explanation of Statement-I (3)Statement-I is a true , Statement-II is false (4) Statement-I is false, Statement-II is true Statement-I : Bond order can assume any value including zero. Statement-II : Higher the bond order, shorter is the bond length and greater is the bond energy.

TRUEMAN BIOLOGY-ECOSYSTEM -MCQ
  1. Choose how many out of the given list are omnivores- Rabbit, Sparrow, ...

    Text Solution

    |

  2. Choose the option which gives the correct order of the organisms in th...

    Text Solution

    |

  3. Go through the following Statements (i) A trophic level represents o...

    Text Solution

    |

  4. All are true for ''Climax community'' except

    Text Solution

    |

  5. Choose the area which will take minimum time for succession.

    Text Solution

    |

  6. Lichen is pioneer in succession of

    Text Solution

    |

  7. Choose the correct combination of labelling of the zones in water in a...

    Text Solution

    |

  8. Which one of the following types of organisms occupy more than one tro...

    Text Solution

    |

  9. The correct sequence of plants in a hydrosere is

    Text Solution

    |

  10. The term Homeostasis in an ecosystem refers to

    Text Solution

    |

  11. Maximum energy amongst ecosystems is contributed by

    Text Solution

    |

  12. The biomass available for consumption by the herbivores and the decomp...

    Text Solution

    |

  13. Which one of the following is one of the characteristics of a biologic...

    Text Solution

    |

  14. Study the cycle shown below and select the option which gives correct ...

    Text Solution

    |

  15. Which of the following representations shows the pyramid of numbers in...

    Text Solution

    |

  16. The plants convert light into chemical energy with a photosynthetic ef...

    Text Solution

    |

  17. Primary succession is development of communities on

    Text Solution

    |

  18. Which one of the following statements for pyramid of energy is incorre...

    Text Solution

    |

  19. Which one of the following animals may occupy more than one trophic le...

    Text Solution

    |

  20. Both, hydrarch and xerarch successions lead to

    Text Solution

    |