WBBSE Solutions For Class 8 School Science Chapter 11 Plant Kingdom and The Environment Around Us Review Questions

Chapter 11 Plant Kingdom And The Environment Around Us Review Questions

Question 1. Playing a vital role in the world health care system, a group of plants is known as “local heritage with global importance.”

  1. Flowering
  2. Medical
  3. Ornamental
  4. Cereal

Answer: 1. Medical

Question 2. Plants regulate the

  1. Water cycle
  2. Carbon cycle
  3. Both and are correct
  4. None is correct

Answer: 3. Both and are correct

Question 3. Oxygen produced by plants is a byproduct of

  1. Chemosynthesis
  2. Photosynthesis
  3. Solar radiation
  4. Transpiration

Answer: 2. Photosynthesis

Question 4. Bamboos belong to the

  1. Grass family
  2. Shrub family
  3. Tree Family
  4. Herb family

Answer: 1. Grass family

Question 5. Bamboo grows

  1. Very fast
  2. Very slow
  3. Moderately
  4. None of these

Answer: 1. Very fast

Read And Learn More WBBSE Solutions For Class 8 School Science Review Questions

Question 6. Bamboo flowers are observed

  1. Frequently
  2. Annually
  3. Rarely
  4. Monthly

Answer: 3. Rarely

Question 7. Bamboo shoots are used as

  1. Food
  2. Poison
  3. Rarely
  4. Monthly

Answer: 1. Food

Question 8. Water hyacinth is an aquatic plant native to the

  1. Gangetic plains
  2. Antarctica
  3. Amazon basin
  4. Decan plateau

Answer: 3. Amazon basin

WBBSE Class 8 Plant Kingdom review questions

Question 9. Water hyacinth reproduces primarily by way of

  1. Seeds
  2. Runners or stolons
  3. Flowers
  4. Buds

Answer: 2. Runners or stolons

WBBSE Solutions For Class 8 School Science Chapter 11 Plant Kingdom and The Environment Around Us Review Questions

Question 10. Water hyacinth may

  1. Be invasive species
  2. Form breeding ground for mosquitoes
  3. Block water flow
  4. All of these

Answer: 4. All of these

Question 11. Sal tree is large and

  1. Subdeciduous
  2. Coniferous
  3. Non-flowering
  4. Evergreen

Answer: 1. Subdeciduous

Question 12. Sal tree is native to the

  1. Europe
  2. America
  3. Indian subcontinent
  4. South America

Answer: 3. Indian subcontinent

Question 13. Sundari is a/an

  1. Edible plant
  2. Mangrove plant
  3. Aquatic plant
  4. Orchid

Answer: 2. Mangrove plant

Review questions on environment for Class 8 Science

Question 14. Sundari plants belong to the genus

  1. Mangifera
  2. Ficus
  3. Heritiera
  4. None of these

Answer: 3. Heritiera

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Question 15. The pigment curcumin is found in

  1. Turmeric
  2. Cardamom
  3. Ginger
  4. Garlic

Answer: 1. Turmeric

Question 16. Herbs are obtained from the leaves of

  1. Herbaceous plants
  2. Herbivores
  3. Sal plants
  4. Cactus

Answer: 1. Herbaceous plants

Question 17. Triphala contains plenty of

  1. Vitamin a
  2. Vitamin b
  3. Vitamin d
  4. Vitamin c

Answer: 4. Vitamin c

Question 18. Black pepper is native to

  1. North Bengal
  2. South India
  3. Sikkim
  4. Jammu & Kashmir

Answer: 2. South India

WBBSE Chapter 11 environmental science review questions

Question 19. Cinnamon is a spice obtained from the

  1. Seeds
  2. Inner bark
  3. Roots
  4. Fruits

Answer: 2. Inner bark

Question 20. Cinnamon bark is widely used as a

  1. Spice
  2. Food
  3. Medicine
  4. Pigment

Answer: 1. Spice

Question 21. Turmeric (Curcuma longa) is a plant of the

  1. Ginger family
  2. Bamboo family
  3. Grass family
  4. None of these

Answer: 1. Ginger family

Question 22. The chemical substance that is present in clove and has antibacterial properties is
known as

  1. Allicin
  2. Piperine
  3. Eugenol
  4. Vinblastine

Answer: 3. Eugenol

Question 23. There are two main types of cardamom

  1. Red and green
  2. Green and black
  3. Black and red
  4. Sweet and sour

Answer: 2. Green and black

Question 24. Garam masala is

  1. Spice mixture
  2. Syrup
  3. Food
  4. Medicine

Answer: 1.

Question 25. Ginger is indigenous to

  1. India
  2. Europe
  3. Southern china
  4. America

Answer: 3. Southern china

Environmental concepts summary and review questions for Class 8

Question 26. Garlic is a species in the

  1. Onion genus
  2. Paddy genus
  3. Medicinal genus
  4. Grass genus

Answer: 1. Onion genus

Question 27. Garlic flavor is

  1. Sweet
  2. Pungent
  3. Bitter
  4. Chilly

Answer: 2. Pungent

Question 28. Garlic contains

  1. Allicin
  2. Alium
  3. Aluminium
  4. Piperin

Answer: 1. Allicin

Question 29. The medicine Bashir is prepared from

  1. Water hyacinth
  2. Aloe vera
  3. Turmeric
  4. Bamboo

Answer: 4. Bamboo

Question 30. Neem is a tree in the

  1. Mahogany family
  2. Grass family
  3. Plant family
  4. Shrub family

Answer: 1. Mahogany family

Question 31. Bael is a species of tree native to

  1. Europe
  2. South america
  3. India
  4. Africa

Answer: 3. India

Question 32. Amlaki is the richest natural source of

  1. Vitamin a
  2. Vitamin c
  3. Vitamin d
  4. Vitamin b complex

Answer: 2. Vitamin c

Question 33. The three fruits of Triphala are

  1. Amlaki, amla and neem
  2. Amlaki, bael and haritaki
  3. Amlaki, haritaki and bahera
  4. Bael, haritaki and neem

Answer: 3. Amlaki, haritaki and Behera

Question 34. Menthol is found from

  1. Mint
  2. Methanol
  3. Methi
  4. Mustard

Answer: 1. Mint

Question 35. The anti-pyretic component is present in

  1. Nayantara
  2. Emblica
  3. Emblica
  4. Aloe vera

Answer: 4. Aloe vera

 

Chapter 11 Plant Kingdom And The Environment Around Us Fill In The Blanks

Question 1. Everything we indirectly from eat comes directly or indirectly from __________
Answer: Plants

Question 2. __________ is produced by plants, as a by-product of photosynthesis.
Answer: Oxygen

Question 3. __________ is a tribe of flowering perennial evergreen plants in the grass family.
Answer: Bamboo

Question 4. Many __________ only flowers at intervals as long as 65 or 120 years.
Answer: Bamboos

Question 5. Bamboo __________ are a common food in some part of the world.
Answer: Shoots

Question 6. Water hyacinth is often considered a highly problematic __________ plant species.
Answer: Invasive

Question 7. When not controlled, water __________ will cover lakes and ponds entirely.
Answer: Hyacinth

Question 8. Sal is a large sub __________ tree.
Answer: Deciduous

WBBSE Class 8 Science practice review questions on environment

Question 9. Sundri is a medium-sized evergreen tree which __________
Answer: Mangrove

Question 10. __________is found in the forests in India.
Answer: Sundarbans

Question 11. The name __________ is supposed to be derived from the name of the plant, Sundari. A is a dried seed, fruit, root, bark, or vegetable substance primarily used for flavoring, coloring, or preserving food.
Answer: Spice

Question 12. Herbs and spices are obtained from __________.
Answer: Plants

Question 13. Black __________ is a flowering vine cultivated for its fruit.
Answer: Pepper

Question 14. Cinnamon is a __________ obtained from the inner bark of several trees.
Answer: Spice

Question 15. Turmeric is a rhizomatous herbaceous perennial plant of the __________ family.
Answer: Ginger

Question 16. There are two main types of cardamom-green and __________.
Answer: Black

Question 17. Ginger is a flowering plant whose __________ is widely used as a spice or a medicine.
Answer: Rhizome

Question 18. The source of garlic’s distinctive odor is __________
Answer: Allicin

Question 19. __________leaves are dried in India and placed in cupboards to prevent insects from eating the clothes and also while storing rice in tins.
Answer: Neem

Question 20. Beal is also known as __________ apple.
Answer: Stone

Question 21. The nutritional facts of __________ include bi of flavonoids, flavones, polyphenols, and carotenoids.
Answer: Amalaki

Question 22. __________ or Sadabahar is an evergreen subshrub or herbaceous plant.
Answer: Nayantara

Question 23. Pudina leaf, fresh or dried, is the culinary source of __________.
Answer: Mint

Question 24. Mint oil is also used as an environmentally friendly __________ for its ability to kill some common pests.
Answer: Insecticide

Question 25. Aloe vera is a __________ plant species.
Answer: Succulent

Question 26. Aloe vera is used in traditional medicine as a multipurpose __________treatment.
Answer: Skin

 

Chapter 11 Plant Kingdom And The Environment Around Us Identify as True Or False

Question 1. Green plants give off oxygen in the process called photosynthesis.
Answer: True

Question 2. Coal and petroleum are fossil substances of plant origin.
Answer: True

Question 3. Plants directly regulate the Nitrogen cycle.
Answer: False

Question 4. Bamboo is a non-flowering plant.
Answer: False

Question 5. Most bamboo species flower infrequently.
Answer: True

Question 6. Flutes are made of bamboo.
Answer: True

Question 7. Water hyacinth is often considered a highly problematic invasive species.
Answer: True

Examples of plant kingdom review questions for Class 8

Question 8. When not controlled, water hyacinths will cover lakes and ponds entirely.
Answer: True

Question 9. Water hyacinth control is very easy.
Answer: False

Question 10. Sal tree is seldom completely leafless.
Answer: False

Question 11. Sundri is one of the most important sources of hardwood timber in India.
Answer: False

Question 12. The name of the plant Sundari is supposed to be derived from the name Sundarbans.
Answer: False

Question 13. A spice is a dried seed, fruit, root, bark, or vegetable substance primarily used for flavoring, coloring or preserving food.
Answer: True

Question 14. Herbs and spices are obtained from industry.
Answer: False

Question 15. Black pepper is a flowering vine cultivated for its
Answer: True

Question 16. Black pepper is native to South Bengal.
Answer: False

Question 17. Black pepper has long been recognized as a sedative.
Answer: False

Question 18. Cinnamon is a spice that is used in both sweet and savory foods.
Answer: True

Question 19. Turmeric is a rhizomatous herbaceous perennial plant.
Answer: True

Question 20. Cardamom is a spice made from the seeds of several plants in the genera Curcuma.
Answer: False

Question 21. Turmeric has antifungal properties.
Answer: False

Question 22. There are three main types of cardamom- green, black, and red.
Answer: False

Question 23. Black cardamom is also known as Nepal cardamom.
Answer: True

WBBSE Chapter 11 exercises review solutions

Question 24. Ginger produces a hot, fragrant kitchen spice.
Answer: True

Question 25. Garlic is a species of the ginger genus.
Answer: False

Question 26. Neem (Azadirachta indica), is a tree in the mahogany family.
Answer: True

Question 27. Sal oil is used for preparing cosmetics such as soap, shampoo, balms and creams as well as toothpaste.
Answer: False

Question 28. In traditional Indian medicine, dried and fresh fruits of the plant Amlaki are used.
Answer: True

Question 29. Nayantara has long been cultivated for herbal medicine and as an ornamental plant.
Answer: True

Question 30. Dried mint is usually preferred over fresh mint when storage of the mint is not a problem.
Answer: False

Question 31. Ghritakumari is a succulent plant species
Answer: True

 

Chapter 11 Plant Kingdom And The Environment Around Us Match The Columns

 

WBBSE Solutions For Class 8 School Science Chapter 11 Plant Kingdom and The Environment Around Us match the following
Answer: A-2, B-1,C-4,D-3

WBBSE Solutions For Class 8 School Science Chapter 11 Plant Kingdom and The Environment Around Us match the following.2
Answer: A-4, B-3,C-1,D-2

WBBSE Solutions For Class 8 School Science Chapter 11 Plant Kingdom and The Environment Around Us match the following.3
Answer: A-1, B-3,C-2,D-4

WBBSE Solutions For Class 8 School Science Chapter 11 Plant Kingdom and The Environment Around Us match the following.4
Answer: A-5, B-2,C-6,D-1,E-3

 

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