How do organisms reproduce 0 biology extra questions?
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1) Name the part of Bryophyllum where the buds are produced for vegetative propagation ?
2) Can you consider cell division as a type of reproduction in unicellular organism ? Give one reason .
3) Why is fertilisation is not possible without pollination ?
4) Name the parts of bisexual flower that are not directly involved in reproduction?
5) What happens when a mature spirogyra filament attains considerable length ?
6) In germinating seed which part are known ad future shoot nd future shoot ? Mention function of cotyledon ?
7)List four categories of contraceptive methods . State in brief two advantages of adopting such preventative methods ?
8) Name the reproductive part of angiosperm . Where are these parts located ? Explain in brief the structure of its female reproductive parts .
9) Explain budding in hydra with the help of labelled diagram ?
10) Explain four advantages of vegetative propagation ?
11) What is sexual reproduction ? List out its four significance .
12) How do organism whether reproduced asexually or sexually maintain a constant chromosome number through several generations ? Explain with the help of suitable example.
13) What is placenta ? Mention its role during pregnancy .
14) why is meiosis needed in species that reproduce sexually ?
15) What is self sterility mechanismvin flower which allows only cross pollination ?
Hope it helps☺☺
Regard
@Yusuf
2) Can you consider cell division as a type of reproduction in unicellular organism ? Give one reason .
3) Why is fertilisation is not possible without pollination ?
4) Name the parts of bisexual flower that are not directly involved in reproduction?
5) What happens when a mature spirogyra filament attains considerable length ?
6) In germinating seed which part are known ad future shoot nd future shoot ? Mention function of cotyledon ?
7)List four categories of contraceptive methods . State in brief two advantages of adopting such preventative methods ?
8) Name the reproductive part of angiosperm . Where are these parts located ? Explain in brief the structure of its female reproductive parts .
9) Explain budding in hydra with the help of labelled diagram ?
10) Explain four advantages of vegetative propagation ?
11) What is sexual reproduction ? List out its four significance .
12) How do organism whether reproduced asexually or sexually maintain a constant chromosome number through several generations ? Explain with the help of suitable example.
13) What is placenta ? Mention its role during pregnancy .
14) why is meiosis needed in species that reproduce sexually ?
15) What is self sterility mechanismvin flower which allows only cross pollination ?
Hope it helps☺☺
Regard
@Yusuf
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