8. How do Organisms Reproduce Class 10 Science [LATEST] Solutions Chapter Review in English - CBSE Study
NCERT Solutions for Class 10 Science are carefully prepared according to the latest CBSE syllabus and NCERT textbooks to help students understand every concept clearly. These solutions cover all important 8. How do Organisms Reproduce with detailed explanations and step-by-step answers for better exam preparation. Each Chapter Review is explained in simple language so that students can easily grasp the fundamentals and improve their academic performance. The study material is designed to support daily homework, revision practice, and final exam preparation for Class 10 students. With accurate answers, concept clarity, and structured content, these NCERT solutions help learners build confidence and score higher marks in their examinations. Whether you are revising a specific topic or preparing an entire chapter, this resource provides reliable and syllabus-based guidance for complete success in Science.
Class 10 English Medium Science All Chapters:
8. How do Organisms Reproduce
1. Chapter Review
Chapter Review:
- Full Form of DNA is Deoxyribo Nucleic Acid.
- In fission, many bacteria and protozoa simply divide into two or more daughter cells.
- Roots, stems and leaves of some plants develop into new plants through vegetative propagation.
- Simple animals like Hydra and Planaria can be cut into any number of pieces and each piece grows into a complete organism. This is known as regeneration.
- New plants are grown by removing tissue or separating cells from
the growing tip of a plant is called Tissue culture. - Unisexual flowers may be papaya and watermelon.
- The transfer of pollen grains from the stamen to the stigma in the same flower is called self pollination.
- The transfer of pollen grains from the stamen to the stigma from one flower to another flower is called cross pollination.
- The seed contains the future plant or embryo which develops into a seedling under appropriate conditions. This process is known as germination.
- Sperm formation requires a lower temperature than the normal body
temperature. - The two oviducts unite into an elastic bag-like structure known as the
uterus. - Male sex hormone is testosterone.
- Female sex hormone is estrogen.
- The developing embryo will also generate waste substances which can be removed by transferring them into the mother’s blood
through the placenta. - The lining slowly breaks and comes out through the vagina as blood and mucous. This cycle takes place roughly every month and is known as menstruation.
- The bacterial infections such as gonorrhoea and syphilis, and viral infections such as warts and HIV-AIDS.
- Contraceptive devices such as the loop or the copper-T are placed in the uterus to prevent pregnancy.
- The male reproductive system in human beings consists of testes which produce sperms, vas deferens, seminal vesicles, prostate gland, urethra and penis.
- The female reproductive system in human beings consists of ovaries, fallopian tubes, uterus and vagina.
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