6th std science 2 the living world l question and answer l easy explanation in marathi

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Science Studies -  6th Standard

2. The Living World

Question And Answer

Q1. Write the answers to the following questions in your own words.

a) What are the differences between plants and animals?

Ans:

b) What are the similarities between plants and animals?

Ans: Apart from various differences plant and animals also have some similarities. Plants and animals both show vital processes like growth, reproduction, respiration and excretion. Both of them require energy to carry out their various functions.

c) How is the plant kingdom useful to us?

Ans: Plants are used for household as well as industrial purposes. For example, fenugreek (methi), potato, okra (bhendi), apple, banana are used as food while vasaka (adulsa), hirada, behada, asparagus are used as medicines.

d) How is the animal kingdom useful to us?

Ans: Animals are also useful to us. Dogs, Cats, Cows, buffalos are kept for domestic uses. Fish, Sheep, Fowl are used as food, while animals like horses, oxen, camel prove useful in various occupations. The earthworm is very useful in agriculture.

e) What makes living things different from non-living things?

Ans:

Q2. What helps them to breathe?

a) A fish- Gills

b) A snake- lungs ( on land ) or gills ( in water )

c) A crane- nostrils

d) Man- Nose

e) A banyan tree- Microscopic pores on leaves

f) A Caterpillar- They holes on their body known as spiracles.

g) An earthworm- through their skin

Q3. Fill in the blanks with the proper words from the brackets.

a) The process by which plants make their own food is called photosynthesis.

b) To inhale oxygen and to exhale carbon dioxide is called respiration.

c) The elimination of waste substances from the body is called excretion.

d) The ability to respond to an event is called responsiveness to stimuli.

e) On completing their lifespan, every living things dies.

Q4. Write the uses of these animals and plants.

Ans.

Q5. What are the peculiarities of the movements of these living things?

Ans.

Q6. Write in detail about how the plants and animals found in your surroundings prove useful or harmful.

Ans: There are so many kinds of plants and animals which we find in our surroundings. These plants and animals can be both useful and harmful to us. The following points support this fact. Useful Plants: Plants are used for household as well as industrial purposes. For example, fenugreek (methi), potato, okra (bhendi), apple, banana are used as food while vasaka (adulsa), hirada, behada, asparagus are used as medicines.

                    Harmful plants: Some plants, too, can be harmful, as for example, the dodder, parthenium and other weeds. Pods of the nettle, colocasia leaves cause itching. Plants like oleander, lantana have strong odours. The datura plant is Poisonous. Uncontrolled growth of fungi and algae in water pollutes drinking water and may cause the spread of diseases.

                    Useful Animals: Animals are also useful to us. Dogs, cats, cows, buffalos are kept for domestic uses. Fish, sheep, fowl are used as food, while animals like horses, oxen, camel prove useful in various occupations. The earthworm is very useful in agriculture.

                    Harmful Animals: Some animals and plants around us are harmful to man. For example, mosquitoes and flies spread diseases. Cockroaches, mice, rats destroy our food. Lice, ticks also spread diseases. The bites of some poisonous lizards, spiders, snakes and scorpions can ever cause death. If wild elephants enter human settlements, they cause a lot of destruction.

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