- A. Duck
- B. Parrot
- C. Hummingbird
- D. Dove
c. Hummingbird
- A. Nutmeg
- B. Bamboo
- C. Ginger
- D. Neem
(d) Neem
- A. Potato
- B. Carrot
- C. Radish
- D. Turnip
a. Potato
- A. Amla
- B. Tulasi
- C. Turmeric
- D. Aloe
(c) Turmeric
- A. Neem tree
- B. Jack tree
- C. Banyan tree
- D. Mango tree
c. Banyan tree
16
Cotton
Palm tree
Tulsi
pulses
False – Plants grown for decorative purposes are called as ornamental plants.
True.
False – Cauliflower is used for edible purpose.
False – Cotton cloth is only suitable for summer season
False – Sugarcane is used to produce sugar.
cereal
essence
vermicompost producer
Some of the plants around us are good in healing our diseases. We call these plants as medicinal plants.
A timer is used in the construction of buildings, making of furniture
It is used in making fibreboard, paper making.
The relationship between animals and plants, benefiting both of them is known as a symbiotic relationship.
(Eg.) Silkworms – feeding on Mulberry leaves – produce silk fibres.
Honey bee – feed on pollen and honey of plants – Agents of cross-pollination and form vegetables and fruits along with honey.
Carrot, Beetroot, and radish – Taproots
Potato, Ginger, Turmeric – Underground stem
Curry leaves, Coriander leaves – Leaves
Drum stick – Leaves, Unripe fruit, and bark.
Paddy, Wheat, Maize, and Ragi – Seeds
Wood is used commercially due to its features like durability, stylish finishing, and resistance to temperature changes.
Timbers can be classified into hardwoods and softwoods.
The relationship between plants and animals, to get food and shelter etc.
This relationship which is economically significant benefits not only animals but also plants.
Most deserts get less than 10 inches of rainfall each year.
The evaporation rate is higher than the rainfall.
In the desert, there is little water available for plants (cactus-like) and other organisms.
Cactus like plants and animals living in such areas are adapted to save water and to endure drought.
(Eg.) Cactus Camel etc.
False. Because:
Even though they are tall, they produce only softwoods.
It is resilient and malleable can’t be used in heavy construction and other purposes.
So the wood is known as softwood.
Wood fibres are used for making hats and other things.
- A. Plants only
- B. Plants and animals
- C. Animals only
- D. None of the above
(a) Plants only
- A. Mandara
- B. Mullai
- C. Hibiscus
- D. Allamanda
(c) Hibiscus
- A. Fibre plants
- B. Medicinal plants
- C. Plants as food
- D. Ornamental plants
(d) Ornamental plants
They are classified into six varieties. They are:
Plants as food.
Spice yielding plants,
Medicinal plants.
Fibre yielding plants,
Timber yielding plants.
Ornamental plants.
The plants that have chemical compounds to destroy disease-causing germs are known as medicinal plants.
Textile Fibres – Cotton.
Cordage Fibres – Coconut Fibre.
Filling Fibres – Silk cotton