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प्रश्न
Complete the following table to get the differences between asexual and sexual reproduction:
| Characteristics | Asexual Reproduction | Sexual Reproduction |
| Number of parents involved | ........................... | .............................. |
| Type of cells involved | Somatic cells | Germ cells |
| Type of cell division | ............................ | Meiosis and mitosis |
उत्तर
| Characteristics | Asexual Reproduction | Sexual Reproduction |
| Number of parents involved | One | Two |
| Type of cells involved | Somatic cells | Germ cells |
| Type of cell division | Mitosis | Meiosis and mitosis |
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संबंधित प्रश्न
Write one difference between asexual and sexual mode of reproduction.
What are the advantages of sexual reproduction over asexual reproduction?
Define Juvenile phase,
Define Senescent phase.
A zygote is formed as a result of fertilisation.
Differentiate between internal fertilization and external fertilization.
Fill in the following blank with suitable word :
A multicellular animal starts its life from a ........... through sexual reproduction.
What is formed when two gametes fuse?
The advantage that internal fertilisation has over external fertilisation is that in internal fertilisation :
(a) new off-springs are exactly like the parent
(b) production of large numbers of gametes is unnecessary
(c) copulation and fusion of gametes is passive
(d) fewer individuals are produced
Distinguish between the following pair of terms:
Sexual reproduction and asexual reproduction.
Differentiate between the following:
Sperm and Ovum
Mention the common method of reproduction in Amoeba.
Mention the common method of reproduction in Flatworm.
Mention the functions of Oviduct.
Name the organ involved in the following:
Fertilisation of ovum by tile sperm.
Meiosis is an essential event in the sexual life cycle of any organism. Give two reasons.
Sketch and label the diagram showing self- and cross-pollination.
In the sexual mode of reproduction, greater diversities are generated.
Answer the following question.
Explain the process of fertilization in humans.
Answer the following question.
It is commonly observed that parents feel embarrassed to discuss freely with their adolescent children about sexuality and reproduction. The result of this parental inhibition is that the children go astray sometimes.
Explain the reasons that you feel are behind such embarrassment amongst some parents to freely discuss such issues with their growing children.
Write an account of the seminal vesicle and bulbourethral gland in the male reproductive system.
What are the different stages of sexual reproduction?
Choose the correct statement from the following
How is juvenile phase different from reproductive phase?
Which organs/glands produce eggs and sperms?
In an ovule, meiosis occurs in ______
Due to presence of which of the following chemical component, pollen grains can remain well preserved in fossil?
Identify the incorrect statement.
______ is the first stage of sexual reproduction.
The zygote divides repeatedly into a group of cells, which develops into different tissues and organs constituting a full body. This structure is known as ______.
The eggshell protects the ______ from the outer environment.
What is external fertilisation?
In telolecithal egg, the yolk is found:
Between an annual and a perennial plant, which one has a shorter juvenile phase? Give one reason.
Differentiate between oestrus and menstrual cycles. Cite an example for each type.
Explain how stability of the DNA of the species is ensured in sexually reproducing organisms.
