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Answer the following question.
List two agents of pollination?
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The flower of the Hibiscus plant is ______
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The seed that contains the future plant is called the ______
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The process of release of eggs from the ovary is called ______
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In human beings, fertilization occurs in the ______
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Pollen grains are produced by ______
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Variations occur as a result of ______
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Length of pollen tube depends on the distance between ______
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Which out of the following processes does not lead to the formation of clones.
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Which among the following statements are true for unisexual flowers?
- They possess both stamen and pistil
- They possess either stamen or pistil
- They exhibit cross pollination
- Unisexual flowers possessing only stamens cannot produce fruits
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Which among the following statements are true for sexual reproduction in flowering plants?
- It requires two types of gametes
- Fertilisation is a compulsory event
- It always results in formation of zygote
- Offspring formed are clones
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In a bisexual flower inspite of the young stamens being removed artificially, the flower produces fruit. Provide a suitable explanation for the above situation.
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Give reason for the following:
Fertilization cannot take place in flowers if pollination does not occur.
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Is the chromosome number of zygote, embryonal cells and adult of a particular organism always constant? How is the constancy maintained in these three stages?
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Where is the zygote located in the flower after fertilization?
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Draw the diagram of a flower and label the four whorls. Write the names of gamete producing organs in the flower.
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Trace the path a male gamete takes to fertilise a female gamete after being released from the penis.
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State the number of sets of chromosomes present in a zygote.
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Sexual maturation of reproductive tissues and organs are necessary link for reproduction. Elucidate.
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Name the reproductive parts of an angiosperm. Where are these parts located? Explain the structure of its male reproductive part.
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