Home
Class 12
BIOLOGY
[A] : Fossil plants serve as an index fo...

[A] : Fossil plants serve as an index for paleoclimates .
[R] : Because plant adaptations to varied environmental conditions are well known .

A

If both A and R are true and R is the correct explanation of A

B

If both A and R are true but R is not the correct explanation of A

C

If A is true and R is false

D

If both A and R are false

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • AIPMT-(2015)(conducted by CBSE)(solved paper

    TRUEMAN BIOLOGY|Exercise MCQs|89 Videos

Similar Questions

Explore conceptually related problems

The timing of seasonal activity of plants in relation to environmental conditions is called

C_4 -plants are well adapted to

[A] : Anemophillous plants have to produce enormous quantities of pollen. [R] : Because during the transit of pollen through a wind, a considerable amount of pollen is lost.

[A]: Wax, resin and suberin coating on the surface of plant parts reduce the rate of tran- spiration. [R]: These adaptations are found mostly in xerophytes.

Sundari plant can thrive well in Sundarban while pine tree cannot. Explain the statement in the life of adaption of Sundari plants.

[A]: Incompatibility is a gene physiological process. [R]: Moderately high temperatures are also known to reduce self incompatibility reaction in certain plants.

[A]: Varied groups of plants and animals ei- ther related or unrelated provide an example of divergent evolution. [R]: The changes occur in a cumulative direc- tion and result in the origin of new popula- tions from the old ones

[A] : The switchover from vegetative to reproductive phase is now possible to shorten or prolong by altering the light conditions. [R] : Plant morphologists regard flower as a modified shoot of determined growth with highly condensed internodes.

[Aj: ABA plays an important role in plants during water stress and drought conditions. [R]: Exogenously applied ABA promotes stomatal closing.

A doctor is called to ses a sick child. The doctor knows (prior to the visit) that 90% of the sick children in that neighbourhood are sick with the flue, denoted by F, while 10% are sick with the measles, denoted by M. A well known symptom of measles is a rash, denoted by R. The probability of having a rash for a child sick with the measles is 0.95. However, occasionally children with the flue also develop a rash with conditional probability 0.08. Upon examination the child, the doctor finds a rash, then the probability that the child has the measles, is

TRUEMAN BIOLOGY-(AIPMT(NEET Phase-1)-2016)(Conducted by CBSE on 01-05-2016)(Solved Paper)-MCQs
  1. [A] : Fossil plants serve as an index for paleoclimates . [R] : Beca...

    Text Solution

    |

  2. In a testcross involving F(1) dihybrid flies, more parental-type offsp...

    Text Solution

    |

  3. Water soluble pigment present in cell vascuole is

    Text Solution

    |

  4. Which of the following pairs of hormones are not antagonistic (having ...

    Text Solution

    |

  5. [A] : Mitochondria and chloroplasts are semiautonomous organelles . ...

    Text Solution

    |

  6. Which of the following is not a feature of the plasmids?

    Text Solution

    |

  7. A plant in your garden avoids photorespiratory losses, has improved wa...

    Text Solution

    |

  8. Emerson's enhancement effect and red drop have been instrumental in th...

    Text Solution

    |

  9. Which type of tissue correctly matches with its location

    Text Solution

    |

  10. When does the growth rate of a population following the logistic model...

    Text Solution

    |

  11. Which one of the following statements is not true?

    Text Solution

    |

  12. Which one of the following statements is wrong?

    Text Solution

    |

  13. The Avena curvature is used for bioassay of

    Text Solution

    |

  14. Which of the following structures is homologous to the wing of a bird?...

    Text Solution

    |

  15. Blood pressure in the pulmonary artery is

    Text Solution

    |

  16. Fertilization in humans is practically feasible only if

    Text Solution

    |

  17. In meiosis crossing over is initiated at

    Text Solution

    |

  18. Chrysophytes, Euglenoids, Dinoflaegellates and Slime moulds are includ...

    Text Solution

    |

  19. Lack of relaxation between successive stimuli in striated muscle contr...

    Text Solution

    |

  20. Identify the correct statement on 'inhibin'.

    Text Solution

    |

  21. Name the chronic respiratory disroder caused maninly by cigarette smok...

    Text Solution

    |