Home
Class 12
BIOLOGY
(a) The graph given below represents the...

(a) The graph given below represents the organisms response to temperature as an environmental condition.
(i) Which one of the two lines represents conformers and why ?
(ii) What does the other line in the graph represent and why ?
(b) Mention the different adaptations the parasites have evolved with, to be able to successfully complete their life cycles in their hosts.

Text Solution

Verified by Experts

(i) Conformers : Aquatic animals and plants in which the osmotic concentration of body fluids changes according to the ambient conditions of water are called conformers.
(ii) Regulators : Some organisms are able to maintain homeostasis by physiological means which ensures constant body temperature, constant osmotic concentration etc.
Promotional Banner

Topper's Solved these Questions

  • XII BOARDS

    XII BOARDS PREVIOUS YEAR|Exercise Delhi Board : Set II Section-A|1 Videos

  • XII BOARDS

    XII BOARDS PREVIOUS YEAR|Exercise DELHI BOARD : SET-III (SECTION -A)|2 Videos

  • XII BOARDS

    XII BOARDS PREVIOUS YEAR|Exercise OUTSIDE DELHI: SET III (SECTION A)|2 Videos

  • SAMPLE PAPER 2019

    XII BOARDS PREVIOUS YEAR|Exercise Section E Part B|3 Videos

Similar Questions

Explore conceptually related problems

The graph given below represents the organisms reponse to temperature as an environmental conditions : (i) Which one of the two lines represents conformers and why ? (ii) What does the other line in the graph represent and why ? (b) Mention the different adaptations the parasites have evolved with , to be able to successfuly complete their life cycle in their hosts.

The graph given below represents changes in different ecological parameters due to effluent mixing in a stream. The three lines A, B anc C represent

Given below is the graph representing two linear equations by lines AB and CD respectively. What is the area of the triangle formed by these two lines and the line is x=0 ?

Given below is the graph representing two linear equations by lines AB and CD respectively. What is the area of the triangle formed by these two lines and the line x=0?

Two capacitors C_(1) and C_(2) have the same separation between the plates but the plate area of C_(2) is twice that of C_(1) . The given graph shows the variation of q with V. Which of the two lines in the graph represents C_(1) and why?

(a) The graph below represents the growth patterns of types of aquatic organisms over a brief period of time in a water body surrounded by an agricultural land extensively supplied with fertilizers. Identify what would represent (i) A and (ii) B (b) State the reason for such a change in the water body and also write the term given to it.

The graph given below represents three categories of organismic responses - L, M and N to cope with stressful conditions. Identify the categories L and M. Given below are examples of some of the activities performed by animals. Categorise these activities into the appropriate kind of the organismic response (L, M or N) as shown in the graph with reasons. i. In summers we sweat profusely. ii. Sometimes desert lizards bask in the sun and sometimes they move into shade.

The graph given below shows the marks obtained out of 10 by Sonia in two different tests. Study the graph and answer the questions that follow. (a) What information is represented by the axes? (b) In which subject did she score the highest in Test I? (c) In which subject did she score the least in Test II? (d) In which subject did she score the same marks in both the Tests? (e) What are the marks scored by her in English in Test II? (f) In which test was the performance better? (g) In which subject and which test did she score full marks?

XII BOARDS PREVIOUS YEAR-XII BOARDS-Section -D
  1. (a) Draw a diagrammatic sketch of a transverse section of an anther o...

    Text Solution

    |

  2. (a) Why does DNA replication occur in small replication forks and not...

    Text Solution

    |

  3. Write the different components of a lac - operon in E . Coli Explain i...

    Text Solution

    |

  4. (a) The graph given below represents the organisms response to temper...

    Text Solution

    |

  5. Draw the pyramids of biomass in sea and in a forest. Explain giving re...

    Text Solution

    |

  6. Describe the roles of heat , primers and the bacterium <i>Thermus aqua...

    Text Solution

    |

  7. Explain the steps involved in the production of genetically engineered...

    Text Solution

    |

  8. (a) " Organisms may be conformers or regulators . " Explain this stat...

    Text Solution

    |

  9. Describe the onter - relationship between productivity , gross primary...

    Text Solution

    |

  10. A national newspaper reported that a 50 metre high 'Sanitary landfill...

    Text Solution

    |

  11. (a) Draw a diagram of the adult human female reproductive system and l...

    Text Solution

    |

  12. (a) Draw a diagrammmatic sketch of a transverse section of an anther ...

    Text Solution

    |

  13. (a) Why does DNA replication occur in small replication forks and not...

    Text Solution

    |

  14. What is an operon ? Explain the functioning of lac operon when in an o...

    Text Solution

    |

  15. (a) The graph given below represents the organisms response to temper...

    Text Solution

    |

  16. Draw the pyramids of biomass in sea and in a forest. Explain giving re...

    Text Solution

    |

  17. Describe the roles of heat , primers and the bacterium Thermus aquatic...

    Text Solution

    |

  18. Explain the various steps involved in the production of artificial ins...

    Text Solution

    |

  19. (a) " Oraganisms may be conformers or regulators . " Explain this sta...

    Text Solution

    |

  20. Describe the onter - relationship between productivity , gross primary...

    Text Solution

    |