Andhra Pradesh AP Board 4th Class EVS Solutions 2nd Lesson Green World Textbook Exercise Questions and Answers.
AP State Syllabus 4th Class EVS Solutions Lesson 2 Green World
I. Conceptual Understanding:
Question 1.
Write a brief note on the uses of plants?
Answer:
- Plants and trees are gift of mother nature.
- Plants give us fresh air
- Plants give us food.
- Some plants are used as medicine.
- Plant and trees gives us shelter.
Question 2.
Give examples of land and water plants ?
Answer:
Land plants:
Neem, Banyan, Mango, Tamarind, are some examples for land plants.
Water plants:
Hydrilla, Waterlily, Lotus, Duckweed, and Tape- grass are some examples for water plants.
Question 3.
Identify and write some desert plants in your surroundings?
Answer:
Cactus, Barrel cactus, Golden barrel cactus, Aloevera , are some desert plants in our surroundings.
II. Questioning and Hypothesis:
Question 4.
What questions would you like to ask a gardener in your village to know about different types of plants?
Answer:
- Which plants are desert plants?
- Which plants grow on mountains?
- Which plants have tap roots?
- Which plants have fibrous roots?
III. Experiments and field observations:
Question 5.
Go to a nearby garden or nursery and write the names of as many flower and plants as you can identify?
Answer:
Flowers:
Rose, Jasmine, Lily, Lavender, Hibiscus, Tulips, Marigold, Chrysethamum, Daffodil.
Plants:
Neem, Tulasi, Rose plant, Mango, Cactus Mango, Sapota, Hibiscus plant, Lemon tree, Aloevera, Basil, Lavender, Marigold, Money plant.
IV. Information Skills & Project Work:
Question 6.
Make a chart on the types of plants based on roots and hang it in your class room.
Answer:
V. Drawing Pictures and Model Making:
Question 7.
Make some flowers using colour papers?
Answer:
Student activity.
VI. Appreciation:
Question 8.
Grow a flowering plants at your home record the progress of its growth and discuss with your friends ?
Answer:
Student activity.
Let us Do: (TextBook Page No.14)
Write the names of plants based on their dwelling places?
Answer:
Aquatic plants | Terrestrial plants |
Duckweed | Banyan |
Mango | Hydrilla |
Water lily | Peepal |
Tamarind | Tape-grass |
Lotus | Neem |
Think and Discuss: (TextBook Page No.16)
Question 1.
Which part of the plant attracts you very much?
Answer:
Rower is the part of the plant that attracts me very much.
Question 2.
Do you know how we use flowers?
Answer:
- Flower are used for decorations.
- Hibiscus, Neem and Tulasi are used in making medicines.
- Rose, Jasmine, lily and lavender flowers used in making beauty oils and perfumes.
- Cauliflower cab be eaten as food.
Additional Questions:
I. Conceptual Understanding:
Question 1.
What are terrestrial plants? Give examples.
Answer:
Plants that grow on land are called Terrestrial plans.
Ex: Banayan, Peepal, Mango, Neem, Tamarind etc.
Question 2.
What are aquatic plants? Give examples.
Answer:
Plants that grow in water are called Aquatic plants.
Ex : Duckweed, water lily, lotus, Hydrilla etc.
Question 3.
What are the systems do a plant divided into ?
Answer:
A plant is divided into two systems.
- The root system
- The shoot system.
Question 4.
What is root system and shoot system?
Answer:
Root system:
The parts of the plant that is below the soil is called the root system.
Shoot system :
The part of the plant above the soil is called the shoot system.
Question 5.
How are roots useful to plants?
Answer:
Roots hold the plant firmly to the soil and absorb nutrients from the soil.
Question 6.
Explain different types of roots with examples?
Answer:
Roots are two types.
i) Tap root :
The tap root has a thick main root that goes deep into the soil and several thin roots grow from the main root.
Ex: Neem, Tamarind etc;
ii) Fibrous roots :
Fibrous roots are bushy. A number of tiny roots are attached to the lower end of the stem like bunch.
Ex: Paddy, Jowar, Maize.
Question 7.
How the roots are useful to us?
Answer:
- Carrot, Beetroot, Raddish are taken as food.
- Camel grass(Vattiverlu) is used as cooling mats during summer.
- Lemon grass roots are used in fragrant oil and insect repellents.
Question 8.
Draw the diagram of a Hibiscus flower and label the parts?
Answer:
Question 9.
Draw the pictures of Tap root and Fibrous roots?
Answer:
Question 10.
Write the name of some fruits which have medicinal value?
Answer:
Fruits like Lemon, Neem and Amla have medicinal value.
Question 11.
Which fruits are used for cleansing hair?
Answer:
Fruits like soap – nuts (kunkudu), Shikakai are used for cleansing hair.
Question 12.
What is photosynthesis?
Answer:
Plants prepare their food on their own using carbon dioxide, water and sun-light. This process is called photosynthesis.
Multiple Choice Questions:
Choose the correct answer:
Question 1.
Which is not a part of flower
A) Petal
B) Root
C) Pistil
D) Stamen
Answer:
B) Root
Question 2.
Pick out odd one
A) Banyan tree
B) Mango tree
C) Lotus
D) Neem
Answer:
C) Lotus
Question 3.
Which are useful for photosynthesis
A) Water
B) Sunlight
C) Carbondioxide
D) All
Answer:
D) All
Question 4.
The part of the plant above the soil is called _________ system.
A) Shoot
B) Root
C) Foot
D) Eco
Answer:
A) Shoot
Question 5.
The part of the plant below the soil is called _________ system.
A) Shoot
B) Root
C) Foot
D) Eco
Answer:
B) Root
Question 6.
The roots of _________ plant are soft and spongy.
A) Land
B) Desert
C) Mountain
D) Water
Answer:
D) Water
Question 7.
Which roots are used as cooling mats during summer.
A) Camel grass
B) Lemon grass roots
C) Soap-nuts
D) neem
Answer:
A) Camel grass
Question 8.
_________ roots are bushy.
A) Tap
B) Fibrous
C) Both A and B
D) None
Answer:
B) Fibrous
Question 9.
Which of the following is aquatic plant
A) Pine
B) Cactus
C) Neem
D) None
Answer:
D) None
Question 10.
The colour ful part of a flower is called _________.
A) Stamen
B) pistil
C) Petal
D) Sepal
Answer:
C) Petal