Showing posts with label reproduction. Show all posts
Showing posts with label reproduction. Show all posts

Monday, February 6, 2023

Reproduction in Animals

 Reproduction in Animals


Q.1. What is reproduction?

Q.2. Why is reproduction important?

Q.3. What are species?

Q.4. How many modes of reproduction are there in animals?

Q.5. What is asexual mode of reproduction?

Q.6. What is the sexual mode of reproduction?

Q.7. Name three animals which produce asexually?

Q.8. What is binary fission? Which animals show this?

Q.9. What is budding? Which animals show it?

Q.10. Name the first cloned animal?

Q.11. What is cloning?

Q.12. What are the special sex cells produced by each parent in sexual reproduction called? How are they known separately in each sex?

Q.13. Who is known as unisexual?

Q.14. Who is known as bisexual organisms? What is the other name for it?

Q.15. What is fertilization?

Q.16. Which is the first cell of the new organism?

Q.17. What is external fertilization?

Q.18. Where do we find external fertilization?

Q.19. What is internal fertilization?

Q.20. Where do we find internal fertilization?

Q.21. Explain the development of embryos.

Q.22. Where does the development of chick takes place?

Q.23. Which kind of fertilization takes place in hens?

Q.24. Explain how hens give birth to their babies?

Q.25. Describe the male reproductive system.

Q.26. What is the location of testes?

Q.27. Which process leads to the production of gametes known as sperms in male?

Q.28. Where is the sperm discharge in males?

Q.29. What is Penis?

Q.30. Describe the female reproductive system?

Q.31. What is the location of ovaries in females?

Q.32. How many eggs are released every month by either of the two ovaries?

Q.33. What are the muscular tubes which join the uterus and the ovaries called?

Q.34. What is the uterus?

Q.35. What is vagina?

Q.36. Explain the development of human embryos?

Q.37. What is implantation?

Q.38. What is a fetus?

Q.39. What is in vitro fertilization?

Q.40. Which baby is called a test tube baby?

Q.41. Who are called viviparous animals? Give examples.

Q.42. Who are called oviparous animals? Give examples.

Q.43. Give examples where fertilization of egg takes place outside the body?

Q.44. Give examples where fertilization of egg takes place inside the body?

Q.45. Explain the life cycle of a frog.

Q.46. What is metamorphosis?


Tuesday, January 24, 2023

Questions : Reproduction in Plants

 Reproduction in plants


Q.1. What is reproduction?

Q.2. What are the two methods by which plants reproduce?

Q.3. What is asexual reproduction?

Q.4. What are the methods of asexual reproduction in plants?

Q.5. What is vegetative propagation?

Q.6. What are the advantages of vegetative propagation?

Q.7. What is a node of a plant?

Q.8. Name some plants which are grown from their cuttings?

Q.9. What are vegetative buds?

Q.10. Name some plants who have buds from which new plants grow.

Q.11. Name a plant which have buds on the margins of the leaves.

Q.12. What are  plantlets?

Q.13. Name some plants which produce new plants from roots.

Q.14. How does a cactus produce new plants?

Q.15. What is yeast?

Q.16. What is a colony of yeast? Describe?

Q.17. What is the process of reproduction in yeast called?

Q.18. How does algae reproduce?

Q.19. What is fragmentation?

Q.20. Name some plants which reproduce asexually through spores?

Q.21. What are the thread like structures of a fungus called?

Q.22. What are the spherical structures of a fungus called?

Q.23. What are spores?

Q.24. What is sexual reproduction?

Q.25. Name the male and female reproductive part of a flower.

Q.26. What is the name given to the flowers which have both stamens and pistils?

Q.27. Name some bisexual flowers.

Q.28. Name some unisexual flowers.

Q.29. What is the name given to the flowers which has stamen or pistil?

Q.30. Which part of the flower contains pollen grains?

Q.31. What does a pollen grain produce?

Q.32. What are the parts of a pistil?

Q.33. Which part of the flower contains the female gamete or egg?

Q.34. What is a zygote?

Q.35. What are the main steps involved in sexual reproduction in plants?

Q.36. What is pollination?

Q.37. Name two mammals which pollinate flowers?

Q.38. What is self pollination and what is cross pollination?

Q.39. Name some agents of pollination.

Q.40. Name two fruits which are called vegetables?

Q.41. What is fertilization?

Q.42. What forms the fruits and what form the seeds?

Q.43. Name the two types of fruits.

Q.44. What is seed dispersal?

Q.45. What is the use of seed dispersal?

Q.46. Name some agents of seed dispersal.

Q.47. Name some plants whose seeds are dispersed by wind.

Q.48. Name some plants whose seeds are dispersed by water.

Q.49. What are the properties of seeds to be dispersed by animals?

Q.50. Name some plants whose seeds are dispersed by animals.

Q.51. Which plant disperses its seeds by explosion?


Questions : Reproduction in Plants

 Reproduction in Plants


Q.1. What is reproduction?

Q.2. ___________are involved in reproduction in plants.

Q.3. ___________ produce fruits and seeds.

Q.4. What are the four whorls of a complete flower?

Q.5. What provides protection to the inner parts of a flower?

Q.6. _________ attracts insects for pollination.

Q.7. __________ is the male reproductive part of a flower.

Q.8. __________ is composed of stamens.

Q.9. Name the parts of a stamen?

Q.10. __________ contain pollen grains.

Q.11. __________is the female reproductive part of a flower.

Q.12. Name the three parts of a gynoecium.

Q.13. __________ receives the pollen grains.

Q.14. The ovary contains ________.

Q.15. What is the condition for the formation of seeds in the plants?

Q.16. What is pollination?

Q.17. What are the two types of pollination?

Q.18. What is self pollination?

Q.19. What is cross pollination?

Q.20. Give the two main agents of cross pollination.

Q.21. What is fertilization?

Q.22. Describe the structure of a seed.

Q.23. The shoot of the plant grows from the __________.

Q.24. The root of the plant grows from the __________.

Q.25. Name the parts of an embryo.

Q.26. What is germination?

Q.27. The ________ uses food stored in the ____________ for its growth.

Q.28. Which part of the seed occupies most of its space?

Q.29. Name some seeds which have two cotyledons each.

Q.30. Name some seeds which have one cotyledon.

Q.31. What is viability?

Q.32. What are the essential conditions for germination?

Q.33. What is the main purpose of water during germination?

Q.34. The favourable temperature for germination of most seeds is between_____ and _______.

Q.35. Which plants require more temperature, tropical plants or temperate plants.

Q.36. Name three plants which require sunlight for their germination.

Q.37. Name three plants which do not germinate when exposed to light.

Q.38. Show by an experiment that water, temperature and oxygen are necessary for germination.

Q.39. What is natural vegetative reproduction?

Q.40. Name some plants which produce by natural vegetative reproduction?

Q.41. Name some methods of vegetative reproduction.

Q.42. Describe stem cutting?

Q.43. What is grafting?

Q.44. What is layering?

Q.45. How is layering different from cutting?

Q.46. What are spores?


Questions : Reproduction in Animals

 Reproduction in Animals


Q.1. What are the young ones of cows called?

Q.2. What are the young ones of dogs called?

Q.3. What are the young ones of cats called?

Q.4. What are the young ones of women called?

Q.5. What is reproduction?

Q.6. What are mammals?

Q.7. Name some tropical animals which give birth to young ones directly?

Q.8. Describe how birds give birth to their young ones?

Q.9. Name some animals which lay eggs?

Q.10. What is a yolk?

Q.11. What is the use of white part in an egg?

Q.12. What are tadpoles?

Q.13. What is metamorphosis?

Q.14. What are the four stages in the life cycle of a butterfly?

Q.15. What is a caterpillar?

Q.16. What are nymphs?

Q.17. What is moulting?

Q.18. What is a wriggler?

Q.19. Which animals show parental care?

Q.20. Which animals do not show parental care?

Q.21. Describe the life cycle of a frog.

Q.22. Describe the life cycle of a butterfly.

Q.23. Describe the life cycle of a mosquito.

Q.24. Describe the life cycle of a cockroach.


Questions : The Sun, the Moon and the Stars

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