Chapter 11 Plant Kingdom And The Environment Around Us VSAQs
Question 1. State the source of coal and petroleum.
Answer:
Source of coal and petroleum:
Coal and petroleum are fossil substances of plant origin.
Question 2. Which chemical is responsible for the spiciness of black pepper?
Answer:
Piperine.
Question 3. Is bamboo a flowering plant?
Answer:
Yes, bamboo is a tribe of flowering perennial evergreen plants.
Question 4. Mention two uses of bamboo.
Answer:
Two uses of bamboo:
Bamboo is used in- decorations, building construction, clothing, cooking, etc.
Question 5. Name an invasive aquatic plant species.
Answer:
Water hyacinth is an invasive aquatic plant species.
Read And Learn More WBBSE Solutions For Class 8 School Science Very Short Answer Type Questions
Question 6. Write the botanical name of the sal tree.
Answer:
Botanical name of the sal tree:
The botanical name of the sal tree is Shorea robusta.
Question 7. Name one of the most important sources of hardwood timber in India.
Answer:
Sal is one of the most important sources of hardwood timber in India.
Question 8. What is the origin of the name “Sundarban”?
Answer:
The origin of the name “Sundarban”:
The name Sundarbans is supposed to be derived from the name of the plant Sundari.
Question 9. Name a mangrove tree.
Answer:
Sundari is a mangrove tree.
Question 10. Name a disease of the Sundari plant.
Answer:
Top-dying disease of Sundari trees.
Question 11. Name a spice obtained from a flower bud.
Answer:
Cloves are obtained from flower buds.
Question 12. Where vanilla is obtained?
Answer:
Vanilla is obtained from the undeveloped fruit of an orchid.
Question 13. Write one important use of cinnamon.
Answer:
Important Use of cinnamon:
Cinnamon bark is widely used as a spice.
Question 14. Write the scientific name of the turmeric plant.
Answer:
Scientific Name Of the turmeric plant:
Curcuma longa is the scientific name of the turmeric plant.
Question 15. Which compound present in garlic possesses antimicrobial properties?
Answer:
Allicin.
Question 16. Name two medicinal uses of turmeric.
Answer:
Two Medicinal uses of turmeric:
Turmeric is used for arthritis, heartburn (dyspepsia), stomach pain, diarrhea, intestinal gas, stomach bloating, loss of appetite, jaundice, liver problems, and gallbladder disorders.
Question 17. What are the main types of cardamom?
Answer:
Main types of cardamom:-
Two main types – green and black.
Question 18. Name two ingredients of “Garam Masala”.
Answer:
Ingredients of “Garam Masala”:
A typical Indian version of garam masala contains- black and white peppercorns, cloves, cinnamon or cassia bark, nutmeg and mace, black and green cardamom pods, Bay leaf, caraway, etc.
Question 19. Write the scientific name of garlic.
Answer:
Scientific Name Of Garlic:
The scientific name of garlic is Allium sativum.
Question 20. What is ethnobotany?
Answer:
Ethnobotany:-
Ethnobotany is the study of traditional human uses of plants.
Question 21. What toiletries can be prepared from neem oil?
Answer:
Neem oil is used for preparing cosmetics such as soap, shampoo, balms, and creams as well as toothpaste.
Question 22. Name a fruit used as a purgative.
Answer:
Bael fruit is used as a purgative.
Question 23. Mention one health benefit of Amalaki
Answer:
Health Benefit Of Amalaki:
Amlaki inhibits, the aging process and prevents the common cold.
Question 24. What are the constituents of Triphala?
Answer:
Constituents of Triphala:
Amlaki, Behera, and heritage.
Question 25. Write the botanical name of Ghritakumari.
Answer:
Botanical name of Ghritakumari:
Aloe year is the botanical name of Ghritakumari.
Question 26. What is the health benefit of Curcumin?
Answer:
Health Benefit Of Curcumin:
A compound called curcumin is found in turmeric. Due to its presence, turmeric has the ability to kill microbes (antimicrobial property).
Question 27. Mention the scientific name of the plant from which Tabashir is obtained.
Answer:
Bambusa arundinacea.
Question 28. Find the odd one out:
Answer:
Curcumin, Allicin, Piperine, Raubasine Piperine, since it is. responsible for the hot taste of black pepper. The other three chemicals have medicinal (antimicrobial or anti-bacterial) properties.
Question 29. Which component of Bael, apart from mucilage, helps to remove constipation?
Answer:
Pectin.
Question 30. Who is known as the “queen of spices” and why?
Answer:
Queen of spices:
Small cardamom is referred to as the “queen of spices” because of its very pleasant aroma and taste.
Question 31. Name a sweet dish in which cardamom is used
Answer:
Milk custard.
Question 32. Which is known as the “king of spices”?
Answer:
King of spices:
Black pepper, since it is the world’s most traded spice.
Question 33. Name the two types of roots found in the sundry plant.
Answer:
Types of roots found in the sundry plant:
Breathing root: pneumatophores Supporting adventitious root: stilt roots.
Question 34. Where is the center for conservation of the Sundri plant located?
Answer:
Jharkhali of Sunderban
Question 35. Why does raw garlic have a pungent odor?
Answer:
Raw garlic contains Allin, a sulfur-containing compound. Allin gets converted into Allicin in contact with the enzyme called alliinase. This is responsible for the pungent odor of garlic.