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what's it called

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    What 's it about
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  • Function of micropyle in seed
    a tiny opening through which seed can absorb water.
  •  15
  • Peas , pulses and beans have _____ cotyledons.
    two
  •  15
  • First part to appear when a seed germinates.
    Primary root / radicle
  •  20
  • Function of the seed coat?
    To protect the seed from environmental conditions , drying up and attack of fungi.
  •  15
  • Name the agents of seed dispersal
    water , wind , animal and explosion.
  •  15
  • What types of seeds are carried by the wind?
    very light, wing hairy , seeds with hairy parachutes
  •  15
  • pea , peanut and castor are the example of seed dispersal by
    Explosion
  •  15
  • How animals can disperse seed?
    seeds cling on animal's skin and seeds come out of their bodies in their dropings.
  •  20
  • Define stem - cutting and example
    rose , money plant a part of stem containing bud is cut and planted in soil.
  •  20
  • Name this process of vegetative propagation and examples?
    Grafting apple , mango and rose
  •  20
  • reproduction take place in bryophyllum?
    leaves
  •  15
  • Name other parts of plant other than seed capable of growing new plant?
    stem , root and leaves
  •  15
  • A tuber bud in potato also known as
    Eye
  •  15
  • advantage of crop rotation
    to increase soil fertility
  •  15
  • First step of agriculture
    Soil prepartion
  •  15
  • Name this method
    Sprinkler Irrigation method
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  • State True or False if False correct statement Weeds are good for the crops as they provide them all the nutrients
    False Unwanted plant growing among crops and compete for water , space , light and nutrients
  •  20
  • Cutting, layering, and grafting are examples of
    Artifical Vegetative propagation
  •  15
  • Give one way to prevent soil erosion
    Reforestation
  •  15
  • Why kharif crops are usually sown in beginning of monsoon ? Give examples
    It needs plenty of water . cotton , maize , soyabean , sunflower , paddy , maize
  •  20
  • Mention the time period for Rabi crop and examples
    Nov - April Beans , pea , barley , oats , gram , wheat , mustard
  •  15
  • True or False Weedicide and pesticides are natural and free from all chemicals
    False
  •  15
  • What makes up the female parts of the flower
    style , stigma and ovary
  •  15
  • What is pollination
    The process of transfer of pollen grains from anther to the stigma
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  • Agents of pollination
    wind , water and insect
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  • What protects the flower before it blossoms?
    sepal
  •  15
  • Anther and stigma is a part of
    Anther - male stigma - female
  •  15
  • They are often brightly colored or unusually shaped to attract pollinators
    petals
  •  15
  • seeds can be sown by two ways
    manually and using machines called seed drills
  •  15
  • Functions of all parts of female plant
    Stigma - sticky substance receives pollen grain style - Supports stigma ovary - produces egg
  •  25
  • function of male flower parts
    anther - produces pollen grains use in pollination filament - support to the anther
  •  15