How do Organisms Reproduce? — Flashcards
Gujarat Board · Class 10 · Science
24 flashcards for How do Organisms Reproduce? (Gujarat Board Class 10 Science) to test yourself on key terms and facts.
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Why do organisms reproduce when it's not necessary for individual survival?
Answer
Reproduction allows organisms to create new individuals, ensuring species survival and continuation. Without reproduction, species would become extinct when individuals die. It helps maintain populati…
What is the most basic event in reproduction?
Answer
The creation of a DNA copy is the most basic event in reproduction. This ensures that genetic information is passed from parent to offspring, maintaining the blueprint for body design and cellular fun…
Define binary fission and give an example.
Answer
Binary fission is a type of asexual reproduction where a single organism divides into two equal parts. Each part grows into a complete organism. Example: Amoeba splits into two daughter cells that are…
How does multiple fission differ from binary fission?
Answer
In binary fission, one organism divides into two parts, while in multiple fission, one organism divides into many daughter cells simultaneously. Example: Plasmodium (malaria parasite) undergoes multip…
What is fragmentation? Give an example.
Answer
Fragmentation is a type of asexual reproduction where an organism breaks into smaller pieces, and each piece grows into a new individual. Example: Spirogyra (green algae) breaks into fragments, each d…
Define regeneration and explain how it differs from reproduction.
Answer
Regeneration is the ability to regrow lost body parts or develop into complete organisms from fragments. It differs from reproduction because organisms don't normally depend on being cut up to reprodu…
What is budding? Give two examples.
Answer
Budding is asexual reproduction where a small outgrowth (bud) develops on the parent organism, matures into a new individual, and then detaches. Examples: 1) Hydra develops buds that become independen…
What is vegetative propagation and why is it useful in agriculture?
Answer
Vegetative propagation is reproduction using plant parts like roots, stems, or leaves. Benefits: 1) Plants bear flowers/fruits earlier than seed-grown plants, 2) Enables propagation of plants that can…
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