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Showing posts with label plants. Show all posts
Showing posts with label plants. Show all posts

Monday, January 23, 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 : Transportation in Animals and Plants

 Transportation in Animals and Plants


Q.1. What are the three vital things required by living organisms for survival?

Q.2. Which system transports the important substance in multicellular organisms?

Q.3. What are the three main constituents of the circulatory system?

Q.4. Which substances are transported by the blood?

Q.5. What is blood?

Q.6. What are the two parts of the blood?

Q.7. Name the three kinds of cells present in the blood.

Q.8. What is the name of the red pigment present in red blood cells?

Q.9. What is the function of haemoglobin in blood?

Q.10. What is the other name of RBCs?

Q.11. What is the function of white blood cells?

Q.12. What is the other name of WBCs?

Q.13. What is the function of platelets?

Q.14. What is the shape of platelets?

Q.15. What is the colour of the blood of a cockroach?

Q.16. What are blood vessels?

Q.17. Name the three types of blood vessels?

Q.18. What are arteries?

Q.19. Name an artery which carry of deoxygenated blood.

Q.20. Who discovered the circulation of blood?

Q.21. What are veins?

Q.22. What prevent backflow of blood in the veins?

Q.23. What can be seen as greenish-blue tubes on your hands and legs?

Q.24. Which vein carries oxygen rich blood from the lungs to the heart?

Q.25. What are capillaries?

Q.26. What is a four chambered muscular organ present in the chest called?

Q.27. Name the two upper chambers of the heart?

Q.28. Name the two lower chambers of the heart?

Q.29. What is heartbeat?

Q.30. Name the instrument used to listen the heartbeat by doctors?

Q.31. What is the rate of the heartbeat?

Q.32. What is the rate of heartbeat in a child?

Q.33. What is the rate of heartbeat in an adult?

Q.34. What is excretion?

Q.35. What are the constituents of an excretory system in humans?

Q.36. What are Kidneys?

Q.37. What are the constituents of urine?

Q.38. Name some organisms which do not have a circulatory system?

Q.39. What is a dialysis?

Q.40. How does skin act as an excretory organ?

Q.41. What is a sweat?

Q.42. What is photosynthesis?

Q.43. What is xylem in plants?

Q.44. What is phloem in plants?

Q.45. Name the two vascular tissues through which the transportation of substances in plants take place.

Q.46. What is transpiration?

Q.47. What is the function of evaporation of water in plants?


Questions : Nutrition in Plants

 Nutrition in Plants


Name the following.                                                            2 marks

  1. What are the sources of energy in organisms?

  2. What are nutrients?

  3. What are the two modes of nutrition in living organisms?

  4. Name two insectivorous plants.

  5. Name the animals which are herbivores.

  6. Name the animals which are carnivores.

  7. Name the animals which are omnivores.

  8. Name some saprophytic plants.

  9. Name some insectivorous plants.

  10. Name some symbiotic plants.


Answer the following questions in brief                           3 Marks

  1. What is nutrition?

  2. What is autotrophic Nutrition?

  3. What are autotrophs?

  4. Who are heterotrophs?

  5. Name the categories in which animals are divided based on their eating habits?

  6. Why are the leaves reduced to spines in cacti?

  7. What are variegated leaves?

  8. What are heterotrophs?

  9. What is heterotrophic nutrition?

  10. What are parasitic plants?

  11. What is a host in reference to parasitic plants?

  12. What are saprophytic plants?

  13. What are insectivorous plants?

  14. What are symbiotic plants?

  15. What is symbiotic association or relationship?

  16. How are the nutrients in the soil replenished?


Answer the followings questions in Detail.                           5 Marks

  1. Why do organisms need energy?

  2. What is photosynthesis?

  3. Describe the things needed for photosynthesis?

  4. What is the role of leaves in photosynthesis?

  5. What happens to photosynthesis in plants with red, brown or violet leaves?

  6. What is the importance of photosynthesis?

  7. What are the categories of heterotrophic nutrition?

  8. Give an example of a parasitic plant and describe it?

  9. Describe saprophytes.

  10. Describe Venus flytrap.

  11. Describe Pitcher plant.

  12. How is nitrogen in the soil replenished?


Fill in the blanks :

  1. The process of intake of food and its proper utilization in the body is termed as 

                   .

  1. Living organisms broadly exhibit two modes of nutrition -                     and 

                   .

  1. The mode of nutrition in which organisms synthesize their own food using inorganic materials is called                    .

  2. Organisms that exhibit autotrophic nutrition are called                    .

  3. All animals show                     mode of nutrition and these organisms are called                 

                    .

  1.                     are organisms that cannot manufacture their own food and derive food from plants or animals or both.

  2. The pitcher plant and the venus flytrap are plants which eat insects and are called                    .

  3.                     gives plants their green colour because it reflects green light and absorbs red and blue light.

  4. The process by which green plants prepare their own food is called                    .

  5. Photosynthesis helps in the formation of                     in the outer layer of the atmosphere.

  6.                     are the sites of photosynthesis.

  7. Through                    , carbon dioxide from the atmosphere enters the leaves.

  8. The stomatal opening is surrounded by two kidney shaped                    .

  9. The stem of desert plants becomes                     to carry out photosynthesis.

  10. The leaves which have white and green parts on itself are called                     

                   .

  1. Plants with variegated leaves are                    ,                     and                    .

  2. Photosynthesis maintains the balance between                     and                     in the atmosphere.

  3. Heterotrophic nutrition can be further categorized into                    ,                    ,

                     and                    .

  1. The living organism from which a parasite derives its food is called                    .

  2. The                     of the dodder plant absorbs food from the host plant.

  3. The plants which live and feed on dead and decaying organic matter are called

                    .

  1. Saprophytes like the parasites lack green colour and do not carry out

                   .

  1. Fungi are commonly seen during and after                    .

  2. The whitish umbrella-like structures being sold in the supermarket are called

                   .

  1. Plants which live in association with other plants and share shelter and nutrients are called                    .

  2.                     are an excellent indicator of air pollution.

  3. The fungus provides                    ,                     and                     to the alga. The alga in return provide                     to the fungus.

  4.                     cannot make its own food so it lives in the root nodules of the

                      and provides nitrogen to the plants.

  1.                     is the practice of sowing a cereal crop alternatively to a leguminous crop.

  2.                    ,                    ,                    ,                     etc are legumes which have nodules on them that contain symbiotic bacteria to convert atmospheric nitrogen into nitrates.


Questions : Forest and Waste Management

  Forest and Waste Management Q.1. What is a forest? Q.2. Name three types of forests found in India. Q.3. How are forests useful to us? Q.4...