CHAPTER: 2
HOW PLANTS SURVIVE
B/Q/A
Q1. What are aquatic plants? Write three types of aquatic plants with examples.
Answer: Plants that grow in water are called aquatic plants.
Aquatic plants are of three types Floating plants, example: Duckweed
Fixed plants, example: Lotus
Underwater plants, example:Tape grass
Q2. What are insectivorous plants? How does pitcher plant trap insect?
Answer: Plants that are carnivores are called insectivorous plants.
The leaf of pitcher plant is shaped like a pitcher with a small lid and brightly coloured to
attract insects. When an insect enters the pitcher, the lid closes and this traps the insect
inside.
S/Q/A
Q1. What are coniferous trees? Give three examples of coniferous trees.
Answer: The main plants in mountainous and hilly areas have straight and tall trunks and
needle-like leaves, which are called coniferous trees.
Examples: pine, cedar, fir trees.
Q2. Write any three features of desert plants.
Answer: Three features of desert plants:
Desert plants normally have smell leaves.
The leaves of cactus are like sharp spines.
The cactus plant stores food and water in its thick and fleshy stems covered
with thorns.
O/S/A
Q1. What is adaptation?
Answer: The special features that allow an organism to survive in a particular area are
called adaptation.
Q2. What are terrestrial plants?
Answer: Plants growing on land are known as terrestrial plants.
Q3. Define evergreen trees.
Answer: Trees that remain green almost all year round are called evergreen trees.
Q4. What are saprophytic plants?
Answer: Plants that cannot make their own food, but absorb the food from dead remains of
plants and animals are called saprophytic plants.
Q5. What are epiphytes?
Answer: A plant that grows on another plant but does not depend on it for its nutrition is
called epiphytes.
O/W/A
Q1. In which part does cactus store their food?
Answer: stem.
Q2. Name one plant that absorbs food from dead plants/animals.
Answer: Mushroom.
Q3. Juice of which plant is good for the skin?
Answer: Aloe Vera.
Book Exercise:
Page: 15 Checkpoint
Match the following
1
c
Page: 20
IA. M/C/Q
1. c. fir
2
f
3 d
2. b. aquatic
4 a
3. b. fixed
IB. T/F
1. False
2. False
3. False
4. True
5. True
IC. Name a plant which has this characteristic
1. Hydrilla
2. Pine
3. Cactus
4. Tulsi
5. Pitcher plant
6. Mangrove tree
7. Mushroom
5 b
4. a. pitcher plant
5. b. leaves
ID. Concept map
Terrestrial
Aquatic
Saprophytes
Insectivorous
Examples:
Examples:
Examples:
Examples:
Neem, Coconut
Lotus, Hydrilla
Mushroom,
Toadstool
Pitcher plant,
Sundew