Home
Class 12
BIOLOGY
The most likely reason for the developme...

The most likely reason for the development of resistance against pesticides in insect damaging a crop is

A

genetic recombination

B

directed mutations

C

acquired heritable changes

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ORGANISMS AND POPULATION

    NCERT FINGERTIPS ENGLISH|Exercise Organisms And Population|175 Videos

  • PRINCIPLES OF INHERITANCE & VARIATION

    NCERT FINGERTIPS ENGLISH|Exercise Principles Of Inheritance & Variation|167 Videos

Similar Questions

Explore conceptually related problems

An improved immunity can develop resistance against allergens.

Transgenic crops are modified through genetic engineering to develop natural resistance to insct pests. Which of these pairs consists of transgenic crops ?

Transgenic crops are modified through genetic engineering to develop natural resistance to insct pests. Which of these pairs consits of transgenic crops ?

How many statements are incorrect? (i) "Bt" in "Bt-cotton" indicates Bacillus thuringensis bacteria from which cry gene is taken . (ii) Golden rice is a biofortified rice i.e., vitamin A enriched rice. (iii) The transgenic Brassica napus seeds are used to produce statins. (iv) Transgentic tobacco is developed to resistant against Meloidegyne incognita by RNAi technology.

Insect resistance in host crop may be due to

How does RNA interference help in developing resistance in tobacco plant against nematode in infection?

What are Cry proteins ? Name an organisms help in developing resistance in tobacco plant against nematode infection ?

Select the correct match w.r.t crop variety and resistance to insect pests

Himgiri developed by hybridisation and seldction for disease resistance against rust pathogens is a variey of

Nematode-specific genes are introduced into the tobacco plant using Agrobacterium vectors to develop resistance in tobacco plants against nematodes. Explain the events that occur in tobacco plant to develop resistance

NCERT FINGERTIPS ENGLISH-PRACTICE PAPERS-Practice paper
  1. The colour of high yielding Mexican wheats were not liked by the india...

    Text Solution

    |

  2. Which of the following methods is/are used in recovery of healthy plan...

    Text Solution

    |

  3. The most likely reason for the development of resistance against pesti...

    Text Solution

    |

  4. A population is in Hardy-Weinberg equilibrium for a gene with only two...

    Text Solution

    |

  5. A plant species A has a diploid number of chromosomes as 12. Another p...

    Text Solution

    |

  6. A gene pool consists of

    Text Solution

    |

  7. If a double stranded DNA has 20% of cytosine, what will be the percent...

    Text Solution

    |

  8. A haemophilic man marries a normal homozygous woman. What is he probab...

    Text Solution

    |

  9. Which one of the following sets includes bacterial diseases ?

    Text Solution

    |

  10. The detritus food chain begins with:

    Text Solution

    |

  11. The range of biomagnification of DDT in an aquatic food chain, if star...

    Text Solution

    |

  12. The sequence of development of embryo sac is

    Text Solution

    |

  13. Apomixis is

    Text Solution

    |

  14. Given below is a pedigree chart of a family with five children. It sho...

    Text Solution

    |

  15. In sweat pea, genes C and P are necessary for colour in flowers. The f...

    Text Solution

    |

  16. Which of the following is a correct match ?

    Text Solution

    |

  17. During transcription, RNA polymerase holoenzyme binds to a gene promot...

    Text Solution

    |

  18. The term 'niche' of a species refers to

    Text Solution

    |

  19. Primary succession on land occurs as

    Text Solution

    |

  20. Hotspots are priority areas for in situ conservation. The key criteria...

    Text Solution

    |