1. What Is a Truffle Mushroom?
- Truffle mushrooms are rare and one of the most expensive mushrooms.
- These mushrooms grow in forests under oak and birch trees. They have an earthy smell and pungent taste.
- Due to their musky and nutty flavour, they are used in various dishes and consumed raw.
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2. What Is Manuka Honey?
- Manuka honey is more nutritious than ordinary honey. It is extracted from the manuka tree, which is native to New Zealand.
- The consistency of manuka honey is thicker than ordinary honey.
- This honey has antibacterial properties and helps in wound healing. It also soothes sore throat and digestive issues.
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3. What Is Biogas? How Is Biogas Produced?
- Biogas is an eco-friendly, biodegradable energy source produced from decomposing animal and plant waste.
- Microorganisms digest organic matter in the absence of oxygen.
- Biogas, also known as biomethane, is used as a vehicle and cooking fuel.
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4. What Are Swamp Forests?
- Forests flooded with fresh water to salt water either permanently or seasonally are called swamp forests.
- Swamp forests can be categorized into freshwater swamp forests and saline water swamp forests.
- Example Myristica swamp, Nelapattu Bird sanctuary.
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5. Name Four Medicinal Plants and Write Their Uses.
The names of four medicinal plants and their uses are given below:
Medicinal plants |
Uses |
Brahmi |
Treats mental fatigue, anxiety and stress. |
Bael |
Treats constipation. |
Bhringaraj |
It promotes hair growth and has anti-inflammatory properties. |
Tulsi |
It acts as a natural blood purifier and cures fever, cough and cold. |
6.What Is Latex? Write Its Uses.
- Latex is a milky white thick liquid found in some flowering plants.
- Latex is a mixture of various substances like fats, wax, gums, water, salt, tannin, enzymes etc.
- This fluid is considered an excretory material which is abundantly found in stems.
- Rubber, fig and mulberry trees produce latex.
- Latex makes rubber materials like balloons, gloves, rubber balls, bandages etc.
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