Home
Class 9
BIOLOGY
Fill in the blanks (a) Photoperiod af...

Fill in the blanks
(a) Photoperiod affect the `"_________"`
(b) Kharif crops are cultivated from `"_________" " to " "_________"`
(C) Rabi crops are cultivated from `"_________" " to " "_________"`
(d) Paddy, maize green gram and black gram are `"_________"` Crops.
(e) Wheat gram pea mustard are `"_________"` crops.

Text Solution

Verified by Experts

`"(a) Growth"" ""(b) June -July"" ""(c) October- November"`
`"(d) Kharif crops"" ""(e) Rabi crops"`
Promotional Banner

Topper's Solved these Questions

  • IMPROVEMENT IN FOOD RESOURCES

    NCERT EXEMPLAR ENGLISH|Exercise Short Answer Questions|21 Videos
  • DIVERSITY IN LIVING ORGANISMS

    NCERT EXEMPLAR ENGLISH|Exercise LONG ANSWER TYPE QUESTIONS|8 Videos
  • NATURAL RESOURCES

    NCERT EXEMPLAR ENGLISH|Exercise Long Answer Type Questions|7 Videos

Similar Questions

Explore conceptually related problems

Fill in the blanks (a) Pigeon pea is a good source of "_________" (b) Berseem is an important "_________" Crop. (C) the crops which are grown in rainy season are called "_________" crops. (d) "_________" are rich in vitamins. (e) "_________" crop grown in winter season.

Give one word for the following (a) Farming without the use of chemicals as fertilisers herbicides and pesticides is known as "_________" (b) Growing of wheat and groundnut on the same field is called as "_________" (C) Planting soyabean and maize in alternate rows in the same field is called as "_________" (d) Growing different crops on a piece of land in pre-planned succession is known as "_________" (e) xanthium and Parthenium are commonly known as "_________" (f) Causal organism of any disease is called as "_________"

A to F below relate to the source & extraction of either Zinc or Aluminium. A: Bauxite, B: Coke, C : Cryyolite, D : Froth flotation, E : Sodium hydroxide solution, F: Zinc blende. (i) Write down the three letters each from the above list which are relevant to - Aluminium (ii) Fill in the blanks using the most appropriate words from A to F : (a) The ore from which aluminium is extracted must first be treated with ______________so that pure Aluminium oxide can be obined. (b) Pure Aluminium oxide is dissolved in _____________ to make a conducting solution (iii) Write the formula of Cryolite.

A GM crop is (a) Irradiated crop (b) Transgenic crop (c) Raised on green manure (d) A green manure

Fill in the blanks by choosing the appropriate word/words from those given in the brackets : (iodoform, volume, mass, haloform, gram equivalent, chloroform, carbylamine, sp^(3)d^(2) , high, coke, d^(2)sp^(3) , low, gram mole, carbon monoxide) Zinc oxide is reduced by _______ at 1673K to form zinc and ________.

Fill in the blanks by choosing the appropriate word/words from those given in the brakets: (ethanol, He, low, diethyl ether, 96500 C, 6.023xx10^(23) electrons, 6, octahedral, Kr, high, alkyl) According to Faraday.s Law, one gram equivalent of ion is liberated by ______.

Arrange these statements in corrent sequence of preparation of green manure. (a) Green plants are decomposed in soil. (b) Green plants are cultivated for preparing manure of crop plants parts are used. (c) Plants are ploughed and mixed into the soil. (d) After decomposition it becomes green manure.

Fill in the blanks by choosing the appropriate word/words from those given in the brackets : (iodoform, volume, mass, haloform, gram equivalent, chloroform, carbylamine, sp^(3)d^(2) , high, coke, d^(2)sp^(3) , low, gram mole, carbon monoxide) Outer orbital complexes involve ________ hybridization and are spin complexes.

Fill in the blanks by choosing the appropriate word/words from those given in the brackets : (iodoform, volume, mass, haloform, gram equivalent, chloroform, carbylamine, sp^(3)d^(2) , high, coke, d^(2)sp^(3) , low, gram mole, carbon monoxide) Bleaching powder, on treatment with ethanol or acetone gives ________. This is an example of________ reaction.

In an agricultural field there is a prevalance of the following organisms and crop diseases which are affecting the crop yield badly: a) White rust b) Leaf and strips rust dc) Black rot d) Jassids Recommend the varieties of crops the farmers should grow to get rid of the existing problem and thus improve the crop yeild

NCERT EXEMPLAR ENGLISH-IMPROVEMENT IN FOOD RESOURCES-Short Answer Questions
  1. Fill in the blanks (a) Pigeon pea is a good source of "" (b) Berse...

    Text Solution

    |

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

    Text Solution

    |

  3. List out some useful traits in improved crop ?

    Text Solution

    |

  4. Why is organic matter important for crop production?

    Text Solution

    |

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

    Text Solution

    |

  6. Give one word for the following (a) Farming without the use of chemi...

    Text Solution

    |

  7. Match the following column I and II

    Text Solution

    |

  8. If there is low rainfall in a village throughout the year. What measur...

    Text Solution

    |

  9. Group the following and tabulate them as energy yielding protein yield...

    Text Solution

    |

  10. Define the tern hybridisation and photoperiod.

    Text Solution

    |

  11. Fill in the blanks (a) Photoperiod affect the "" (b) Kharif crops...

    Text Solution

    |

  12. Cultivation practices and crop yield are related to environmental cond...

    Text Solution

    |

  13. Fill in the blanks (a) A total of "" nutrients are essential to pla...

    Text Solution

    |

  14. Differentiate between compost and vermicompost?

    Text Solution

    |

  15. Arrange these statements in corrent sequence of preparation of green ...

    Text Solution

    |

  16. An Italian bee variety A mellifera has been introduced in India for ho...

    Text Solution

    |

  17. In agricultural practices, higher input gives higher yield. Discuss ho...

    Text Solution

    |

  18. Discuss the role of hydridisation in crop improvement.

    Text Solution

    |

  19. Define "(i) Vermicompost"" ""(ii) G...

    Text Solution

    |

  20. Discuss various methods for weed control.

    Text Solution

    |