Life Processes in Living Organisms Part - 2 (Part 2) — Revision Notes
Maharashtra Board · Class 10 · Science
Life Processes in Living Organisms Part - 2 (Part 2) revision notes for Maharashtra Board Class 10 Science: 4 topics in quick points.
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Key Topics to Revise
1. Reproduction and Asexual Reproduction
- Reproduction is the formation of a new organism of the same species by an already existing organism.
- Asexual reproduction is the formation of a new organism without involvement of gametes.
- Asexual reproduction is uniparental and occurs by mitotic cell division.
2. Sexual Reproduction in Plants
- Sexual reproduction always involves two gametes: male and female.
- Gametes are formed by meiosis, so chromosome number is reduced to half and gametes are haploid.
- Fertilization forms a diploid zygote from haploid gametes.
3. Sexual Reproduction in Humans
- Humans have XY sex chromosomes in males and XX sex chromosomes in females.
- Fertilization is internal in humans.
- Male reproductive system consists of testes, ducts, and glands.
4. Reproductive Health, Modern Technology, and Population Explosion
- Health is a person's state of physical, mental, and social strongness.
- Reproductive health is important for both men and women.
- Cleanliness of genitals is necessary to avoid reproductive health problems.
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