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प्रश्न
Distinguish between the following pair of terms:
Sexual reproduction and asexual reproduction.
उत्तर
Sexual reproduction and asexual reproduction:
Sexual reproduction
- In sexual reproduction the two sexes i.e., male and female produce special type of reproductive cells sperms in the male and eggs in the female.
- To produce a new individual the sperm has to reach the ovum and fuse with it. e.g. Humans, bird, reptile, etc.
Asexual reproduction:
- It involves the production of an offspring from a single parent without the fusion of reproductive cells (gametes).
- It is a rapid mode of multiplication, e.g. Lower plants and animals {Amoeba).
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संबंधित प्रश्न
A new human individual develops from a cell called gamete.
Mention the common method of reproduction in Amoeba.
What is atresia with respect to ovary in human females?
Name an organism where cell division is itself a mode of reproduction.
Give reason for the following:
A male honey bee has 16 chromosomes whereas a female has 32 chromosomes.
Choose the correct answer from the options given below:
Which of the following statements, support the view that elaborate sexual reproductive process appeared much later in the organic evolution.
- Lower groups of organisms have simpler body design
- Asexual reproduction is common in lower groups
- Asexual reproduction is common in higher groups of organisms
- The high incidence of sexual reproduction in angiosperms and vertebrates
The eggshell protects the ______ from the outer environment.
Name the two ways by which fertilisation in animals takes place.
Explain the two types of fertilization.
Which is a better mode of reproduction, sexual or asexual? Why?
