Home
Class 9
BIOLOGY
Weeds affect the crop plants by...

Weeds affect the crop plants by

A

killing of plants in field before they grow

B

dominating the plants to grow

C

competing for various resources of crops (plants) causing low availability of nutrients

D

All of the above

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • IMPROVEMENT IN FOOD RESOURCES

    PRADEEP|Exercise Very Short Answer Questions|34 Videos

  • IMPROVEMENT IN FOOD RESOURCES

    PRADEEP|Exercise Short Answer Questions|41 Videos

  • IMPROVEMENT IN FOOD RESOURCES

    PRADEEP|Exercise Exercises|9 Videos

  • HEALTH AND DISEASES

    PRADEEP|Exercise Analytical|12 Videos

  • NATURAL RESOURCES : OUR ENVIRONMENT

    PRADEEP|Exercise QUESTIONS WITH ANSWERS|20 Videos

Similar Questions

Explore conceptually related problems

Air pollutants affects the crops/plants as they

What are crop plants?

Write the modes by which insects affect the crop yield.

What are weeds? How can they affect the growth of crop plants?

Carbon becomes available to crop plants in the form of

Carbon becomes available to crop plants in the form of

Which one is a micronutrient for the crop plants ?

Explain various effects of weeds on crop plants.

Assertion : Weeds are unwanted plants that grow along with the main crops. Reason : Weeds compete with the main crops for water, minerals and sunlight and therefore reduce crop yield.

PRADEEP-IMPROVEMENT IN FOOD RESOURCES -MCQ
  1. To solve the food problem of the country, which among the following is...

    Text Solution

    |

  2. Find out the correct sentence. Hybridisation means crossing between ...

    Text Solution

    |

  3. Weeds affect the crop plants by

    Text Solution

    |

  4. Which one of the following species of honey bee is an Italian species ...

    Text Solution

    |

  5. Find out the correct sentene about manure (i) Manure contains large...

    Text Solution

    |

  6. Cattle husbandry is done for the following purposes " (i) Milk prod...

    Text Solution

    |

  7. Which of the following are Indian cattle? "(i) Bos indicus"" ...

    Text Solution

    |

  8. Which of the following are exotic breeds ? "(i) Brawn"" ...

    Text Solution

    |

  9. Poultry farming is undertaken to raise following "(i) Egg production...

    Text Solution

    |

  10. Poultry fowl are susceptible to the following pathogens

    Text Solution

    |

  11. Which one of the following fishes is a surface feeder ?

    Text Solution

    |

  12. Animal husbandry is the scientific management of "(i) animal breed...

    Text Solution

    |

  13. which one of the following nutrients is not available in fertilisers?

    Text Solution

    |

  14. Preventive and control measures adopted for the storage of grains incl...

    Text Solution

    |

  15. Match the column A with the column B {:(,"(A)",,"(B)"),((a),"Catla...

    Text Solution

    |

  16. Fill in the blanks (a) Pigeon pea is a good source of "" (b) Berse...

    Text Solution

    |

  17. What is a GM crop ? Name any one such crop which is grown in India .

    Text Solution

    |

  18. List out some useful traits in improved crop ?

    Text Solution

    |

  19. Why is organic matter important for crop production?

    Text Solution

    |

  20. Why is excess use of fertilisers detrimental for environment?

    Text Solution

    |