Last updated on June 26th, 2023 at 10:38 pm
Class 4 EVS The Inter-relationships between Living Things
Q: What are the basic needs of all living things?
A: Food, water, and air.
Q: Why do tigers have stripes?
A: Tigers have stripes to blend in with the tall grasses and make it difficult for prey to spot them.
Q: What do tigers feed on?
A: Tigers feed on animals like deer, nilgai, and bison.
Q: What kind of environment does a tiger need to survive?
A: A tiger needs a waterhole that never dries up, dense vegetation, tall grasses, or caves in hills or mountains to find shelter.
Q: What are some ways in which animals are useful to us?
A: Animals can carry burdens, draw carts, help with heavy farm work, and guard our houses.
Q: What are some things we get from plants?
A: We get foodgrains, vegetables, fruits, flowers, and cottonwool from plants.
Q: How do we grow plants that are useful to us?
A: We sow seeds, provide water and manure, and spray pesticides when necessary.
Q: What are some examples of animals and what they eat?
A: Chameleons eat insects, snakes eat mice and frogs, tigers eat deer, goats and sheep eat leaves of plants, and cattle eat grass.
Q: What does it mean for an animal to be arboreal?
A: Arboreal animals live on trees.
Q: How do arboreal animals help the trees they live on?
A: They spread the seeds of the fruit they have eaten through their droppings, which allows new trees to grow in different places.
Q: What kind of animals find trees useful for building their nests?
A: Some types of birds find trees useful for building their nests.
Q: Why might you see an egret riding on the back of a buffalo that is grazing in a grassy area?
A: The egret is likely riding on the buffalo’s back to catch insects that are stirred up by the buffalo’s movements.
Q: Why is winter in Maharashtra called the season of paangal?
A: Winter in Maharashtra is called the season of paangal because many trees shed their leaves during this season.
Q: What is the purpose of the thicker coats of furry animals in winter?
The thicker coats keep them warm in the cold season.
Q: What are the blossoms on mango trees called in Marathi?
The blossoms are called “mohur” in Marathi.
Q: What is the color of new leaves on trees in the summer season?
The new leaves on trees appear reddish and shiny, giving the forests a copper color.
Q: What fruits are available in the market during summer?
Mangoes and watermelons are available in the market during summer.
Q: What fruits can be found during the time leading up to the rainy season?
Jackfruits, jamuns (java plums), and karavandas can be found during the time leading up to the rainy season.
Q: What happens to the seeds of grass and other plants when it starts to rain?
The seeds sprout and start growing, making everything green.
Q: What is the season after the rainy season, and what happens to the frogs during this season?
The season after the rainy season is winter, and the frogs go into a long period of slumber deep under the ground for seven or eight months.
Q: Why is agriculture important, and how do different seasons affect it?
Agriculture is important for food production, and different seasons require different tasks in the fields, such as planting in the rainy season and harvesting in the winter.
