AP State Syllabus AP Board 6th Class Science Important Questions Chapter 9 Organisms and Habitat
AP State Syllabus 6th Class Science Important Questions 9th Lesson Organisms and Habitat
6th Class Science 9th Lesson Organisms and Habitat 2 Mark Important Questions and Answers
What are living things and non-living things?
- The things which possess the characters like growth movement, food, breathing, get rid of wastes, and giving birth to young ones are called living things.
- The things which do not possess these characters are called non-living things.
What are oviparous organisms? Give examples,
The organisms which lay eggs are called oviparous organisms. Ex Hen, Crow. Lizard, Snake.
What are viviparous organisms? Give examples.
The organisms which give birth to 3’oung ones are called viviparous organisms. Ex: – Man, Cat, Dog, Elephant.
What is a microscope?
The microscope is an instrument using for observing minute organisms that we cannot see with our naked eye.
How do you feel when you touch the “Touch me not “plant?
- When I touched the leaves of the ‘touch me not’ plant (mimose pudica), The leaves drooped.
- Here, touch is a stimulus to the plant, and folding of leaves are the response of the plant.
Do all the living things grow through out the life?
- No all living things do not grow throughout life.
- The plants grow through out life, but the animals grow upto some age only.
Is a dead plant or an animal non-living things?
- No, the dead plant, ainimals or any other living beings decompose to form non¬living constituents.
- So we can’t say dead things are non-living things.
- These are intermediate things between living and non-living things.
What are microorganisms?
The living things that we can see only under the microscope are called microorganisms.
What is Stimulus?
A change in the surrounding that makes an organism to respond is called stimulus.
In which months Pelicans are seen in Kolleru lake?
October to March
What is Terrestrial habitat? Name some plants and animals of terrestrial habitat?
The plants and animals that live in different places on the land is called Terrestrial habitat. Ex: – Mango, Guava, Sapota, Birds, Man, Snakes, Ants etc.
How can you say “Animals skin is a habitat for some organisms?
We often find some insects like a leech on the skin of a buffalo. So buffalo skin is the habitat for that insect.
Where do usually the living organisms stay?
- Living organisms have different needs.
- They usually stay in the places where most of their needs are met, that is they get sufficient food, shelter and other conditions necessary for life.
Which animals and plants do you think would like on the surface of the pond?
The organisms like a snail, whirling beetle and pond skaters live on the surface of water.
Can different places in the pond also be called habitat? Why? or why not?
Yes, different places in the pond can also be called habitat. Why because. Ex : Plant. The plant in a pond habitat provide food oxygen and shelter for the animals. There are different places where plants and animals live. A pond is a habitat too.
Name the different organisms that you find on the tree?
Birds, Monkeys, Squirrels, Snakes, Ants, Spiders, Caterpillars, Moths, Bees, Wasps, Small plants (mosses), mosquitoes are some organisms that I find on a tree.
Why do only certain types of animals and plants live along with us?
- Because these plants and animals serve us.
- These plants and animals are sure of their shelter, and food.
- We domesticate some types of animals and plants for our needs such as food.
Are all plants that grow in an orchard the same as the plants in a forest? Why is it so?
- In an orchard, only fruit plants are grown.
- Tamarind, mango, amla are examples of plants that grow in forests.
Give examples for desert plants?
Cactus, Optunia, Aloevera.
Which animals and plants do you think would live in midwater?
Great water boatman, Leech, Mosquito larvae, Fish and Crabs.
6th Class Science 9th Lesson Organisms and Habitat 4 Mark Important Questions and Answers
Which characteristics are same in the both living and non-living things?
- All living and non-living things are made up of matter.
- All living and non-living things have mass and occupy space.
- Both are made up of structural units.
- Molecule is the structural unit of living and non-living things of the cell.
Do you think both living and non-living things are necessary for our environment, why?
- Yes, both living and non-living things are necessary for our environment.
- For example, a plant is a living thing. It takes water and minerals from the soil for its survival.
- It means living things depend upon non-living things. This keeps our environment, well.
Vamsi argues with his friend Ramu about seed is living one. Think what questions does Ramu ask?
- Is seed growing?
- Is there movement in a seed?
- Does the seed take food?
- Can the seed breathe?
- How can the seed get rid of wastes in it?
Write down the steps of the experiment that you did in the lab to observe micro-organisms in pond water, well and borewell?
- Collect water samples from a pond, well, and bore well.
- Keep them separately.
- Put a water drop on a slide keep a coverslip on it.
- Observe under a microscope.
- We can see different types of micro-organisms in the above three.
What are the different habitats around us?
- We find animals living on trees, in our houses, in different areas in the pond, in a small pool of water after rains and in several other places.
- As the area increases, the type and number of organisms living there usually increase.
- You would find more type of organisms living in your house than your hair, and more in the pond than your house, more in the lake than your pond and so on.
- These larger areas are suitable for supporting the life of more organisms.
What are aquatic plants, aquatic animals and aquatic habitat?
- In all ponds we can see both plants and animals.
- The plants that we see in water are called aquatic plants.
- Animals are called aquatic animals.
Our house is also a habitat comment on this?
- We can say that our house is also a habitat.
- Several animals like dogs, cats, goats, cows, birds, spiders, ants and cockroaches live with us.
- Plants like the money plant and some crotons are also kept inside our houses.
Write a note on desert plants?
- Cactus, acacia, aloe vera, plants do not need water.
- They are called desert plants. We can see camels frequently in the desert.
- Desert plants and animals are suited to dry conditions and vast temperature differences.
Rajesh does not want to disturb squirrels that eat fruits on the guava tree at his house. Why does he do so?
- The animals take food whenever they get it.
- If they are disturbed during their eating, they get annoyed and may behave with perversion.
- Rajesh does not like to interfere with the nature as its adverse effects reflects on our quality of life.
Why should we take responsibility towards our pet animals?
- We should take care of our pet animals. Ex : Dog, Parrots, Cow, etc.
- Keeping their sheds clean, supplying fodder and water to them is our responsibility.
- If we show concern for animals they become affectionate to us.
- You notice your pet dog licks your feet, wags its tail, sits near you and walks with you.
6th Class Science 9th Lesson Organisms and Habitat 8 Mark Important Questions and Answers
Describe the structure of the microscope.
- The microscope is an instrument with the help of which we are able to see minute things that we cannot see with our eyes.
- It works like a hand or magnifying lens but it is much more powerful.
- Basically, there are two components in a microscope the structural component and a visual component.
- The structural component are the head/body base and arm.
- Visual components are eyepiece, objective, nose piece coarse and fine adjustment knobs, stage, aperture etc.
What happens if a habitat is disturbed or destroyed?
Habitat is a place where many kinds of species that are diversified in nature stays together. When a habitat is being destroyed or destructed due to the less availability of food and other resources they either die or shift to some place else. This results in the instability of the balance in ecosystem.
Why birds are migrating from one place to other place?
- Different kinds of birds come from long distances to Kolleru and Pulicat lakes of our state.
- During the months of October to March, Pelican birds appear on those lakes.
- Generally we can see birds flying over long distances to find suitable conditions for reproduction.
- Animals like turtles move away from coasts of West Bengal and Odisha to the coasts of Vishakhapatnam.
- Some fishes like Pulasa migrate from sea water to river water.
Write a note on organisms in water?
- Collect water samples from a pond well, bore well and keep them separately.
- Put a drop of water in a slide. Keep another slide on it.
- Observe under microscope.
- All water samples do not have the same type of microorganisms.
- There is no water without microorganisms.
- We find difference in the appearance of microorganisms in pond water and bore well water.
Observe the figure and answer the following questions.
a) Does the seed take in food?
b) Is it possible to store the seed for long time?
c) What happens when a seed is shown in soil?
d) How can say that seed is a living thing?
a) No. The seed doesn’t take in food. Seed itself carry the food that helps the new plant begin to grow.
b) Yes if we preserve it carefully we can store the food for a long time.
c) It starts to germinate.
d) Seeds germinate and turn into a whole plant. So we can say that seed is a living thing.
What happens if we encroach the habitat of animals?
If we encroach the habitat of animals, they may fall in danger.
- Animals are partners of our Habitat.
- They also have a right to live.
- We people are encroaching their habitats.
- If we cut a tree, birds that live on it lose their nests and fall in danger.
- We often see dogs, cows, monkeys suffering from lack of food and shelter.
- There are some voluntary organizations that work for animal rights and protection.
- We have to provide food and protect them, it is our responsibility.
Name some organisms in the pond that can stay in different regions in the same pound. What makes them stay in different regions in pond?
The surface of pond:
- Dragonfly, mayfly, snail, kingfisher whirling beetle and pond skater, etc. are found on the surface of the pond.
- However there is plenty of food and air and this is why fish usually come to the surface for feed.
- In mid-water great water boatman, leech and mosquito, larvae fish, and crab are found.
- In the pond margins animals like frogs, cranes, crabs are found.
- Fish usually lay eggs here.
Bottom of the pond:
- At the bottom plants like hydrilla, and animals like mussels and flatworms live here. Because of their habitat and adaptation, the organisms’ make them to stay at different regions in the pond.
- Light is minimum here but food in the form of dead and decaying matter is in plenty.