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Diagram based Questions. Fill in the...

Diagram based Questions.

Fill in the blank: Once the pollen reaches the stigma, pollen tube traverses down through ………………… .to the ovary where fertilization occurs.

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Once the pollen reaches the stigma, pollen tube traverses down the ____________ to the ovary where fertilisation occurs.

Diagram based Questions. Fill in the blankd: The …………………..collects pollen grains.

Diagram based Questions. Fill in the blankd: The pollen grains represent the …………………...

Diagram based Questions. Fill in the blank: The whorl …………………..is green that protects the flower until it opens.

Diagram based Questions. Fill in the blank: The …………………..are coloured to attract the insects that carry the pollen. Some flowers also produce ………………….. Or ……………………. that attract insects.

Diagram based Questions. Fill in the blankd: …………………..is the transfer of polen grains from anther of the flower to the stigma of the same of a different flower.

Diagram based Questions. Fill in the blankd: …………………..When one male gamete and the egg fuse together. The fertilized egg grows into seed from which the new plants can grow.

In the diagram given below, show the path of a pollen tube from the pollen on the stigma into the embryo sac. Name the components of eggapparatus.

Questions based on paragraph : Earthquakes refers to sudden vibrations on the Earth's surface and shaking of the earth . This leads to generation of seismic waves causing tremors or shaking of Earth's surface . The focal point of earthquake is the point below the epicenter on the earth surface . the major loss occurs near the area where strong convulsions or waves first reach the epicenter . earthquakes can be mild , uauslly occuring in larger numbers of intensified ( acute) , occuring rarely . the magnitude of the earthquake is measured in richter scale . : Based on the given paragraph answer the following questions : What is a seismometer ?

Questions based on paragraph : Earthquakes refers to sudden vibrations on the Earth's surface and shaking of the earth . This leads to generation of seismic waves causing tremors or shaking of Earth's surface . The focal point of earthquake is the point below the epicenter on the earth surface . the major loss occurs near the area where strong convulsions or waves first reach the epicenter . earthquakes can be mild , uauslly occuring in larger numbers of intensified ( acute) , occuring rarely . the magnitude of the earthquake is measured in richter scale . : Based on the given paragraph answer the following questions : Name two modern equipments used to get prior intimation about earthquake .

CHETANA PUBLICATION-REPRODUCTION IN LOWER AND HIGHER PLANTS -Exercise
  1. Diagram based Questions. Fill in the blank: Once the pollen reache...

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  2. Insect pollinated flowers usually posses ………….

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  3. In ovule meiosis occurs in ……….

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  4. The ploidy level is NOT same in ……..

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  5. Which of the following types require pollinator but result in genetica...

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  6. If diploid chromosome number in a flowering plant is 12, then which on...

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  7. In Angiosperms, endosperm is formed by/due to …………

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  8. Point-out the odd one ………

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  9. ………………… reproduces asexually by producing flagellated motile zoospores...

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  10. In grafting rooted plant is used as a………………

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  11. To produce 40 pollen grains ………………. Microspore Mother Cells are requir...

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  12. A flower with many free carpels is called as ……………..

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  13. How many mitotic divisions are required to produce a mature male gamet...

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  14. The stalk of the ovule is …………………

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  15. ……………………. Is a hair like projections shown by synergid, which guide th...

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  16. …………………….. Is a female gametophyle.

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  17. The type of pollination observed in Zostera and Vallisneria respective...

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  18. The bisexual flowers which do not open to favour autogamy are called …...

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  19. In Calotropis self-pollination is avoided by ……………

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  20. The number of meiotic divisions required to produce 200 seeds in a pea...

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  21. ……………. And ……… are two events of sexual reproduction in flowering plan...

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