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40801.

NCERT VI Social Sciences Who am I? (a) I am found in clouds and mist. (b) I am used in aerated drinks. (c) I am used in an electric bulb. (d) I form 78% of air. (e) I am used in the production of nitric acid.

Answer»

,5(NITROGEN.)

40802.

NCERT VI Social Sciences Which are the different types of motion? Give two examples of each.

Answer»

ar motion - moving TRAIN , motion of fired bullet2.rotatory motion / oscillatory motion-  - spinning wheels of a car , rotating fan3.uniform motion - rolling ball with constant SPEED , anything moving in a constant speed COVERING equal DISTANCE at equal intervals of time.4.irregular motion - FLYING butterfly , flying bee5.periodic motion - objects covering same distance in same periods of time

40803.

Try to collect all the currently accepted meanings for the word species . Discuss with your teacher the meaning of species in the case of higher plants and animals on one hand ,and bacteria on the another hand.

Answer» LY accepted meanings of species are : breed , CATEGORY , COLLECTION , division , group , KIND , type etc.Discussion should be DONE with your teacher.
40804.

NCERT VI Social Sciences Fill in the blanks. (a) There is magnetic ………… between like poles. (b) Stainless steel is a ………… substance. (c) There is mutual attraction between ………… poles of magnets. (d) There is maximum magnetic force near the ………… of a magnet.

Answer» WERS are :- a)repulsion. ..........b) Non-Magnetic........C) UNLIKE..........d) pole......!
40805.

Rose can be propogated both by bud grafting and cutting. what are their advantages

Answer» HICH can be PROPAGATED both buy BUD and grafting and cutting are of⇒Better Quality⇒Pollenating are not required.⇒Genes are developed.⇒Parental Characters are preserved.
40806.

NCERT VI Social Sciences What is the special feature of taps at railway stations?

Answer» FEATURES OF TAPS AT RAILWAY STATION.⇒Easily available.⇒Water can be used to extinguish in FIRE problems.⇒They can be used to clean  Boggies of railway.⇒They can be used to water plants.
40807.

NCERT VI Social Sciences What is the purpose of using an electric switch? Name some electrical gadgets that have switches built into them.

Answer» LETE the CIRCUIT
40808.

NCERT VI Social Sciences What is a habitat?

Answer» OGY , Habitat refers to an environment in which an ANIMAL or plant NORMALLY LIVES.
40809.

NCERT VI Social Sciences Correct the following statements and rewrite them in your notebook. (a) Stem absorbs water and minerals from the soil. (b) Leaves hold the plant upright. (c) Roots conduct water to the leaves. (d) The number of petals and sepals in a flower is always equal. (e) If the sepals of a flower are joined together, then its petals are also joined together. (f) If the petals of a flower are joined together, then the pistil is joined to the petal.

Answer»

ts absorb water and MINERALS from the soil(B) stem holds the plants UPRIGHT(c) stem conduct water to leaves(d) the NUMBER of petals and sepals in a flower is equal or different(e) if the sepals are JOINED together then the pistil will be joined to the petals(f) if the petals are joined  together ,then the pistil may be or may not be joined to the petal

40810.

NCERT VI Social Sciences State whether the following statements are ‘True’ or ‘False’? (a) A mixture of milk and water can be separated by filtration. (b) A mixture of powdered salt and sugar can be separated by the process of winnowing. (c) Separation of sugar from tea can be done through filtration. (d) Grain and husk can be separated by the process of decantation.

Answer» E ...B) FALSE ....C) false....d) False..!
40811.

NCERT VI Social Sciences Explain : Oscillatory motion, periodic motion, random motion, circular motion.

Answer» TORY MOTION:OSCILLATION is a motion that repeats itself in a regular cycle,such as a sine wave or pendulam.PERIODIC MOTION:Oscillatory motion is also called as periodic motion.RANDOM MOTION:Random motion is a motion of an atom in a fluid whose velocity changes randomly in both magnitude and direction.CIRCULAR MOTION:Circular motion is a movement of an object along the circumference of a CIRCLE or rotation along a circular path.
40812.

NCERT VI Social Sciences If you and your friends are given the choice of eating in a plastic plate or a banana leaf platter at a party, which one would you prefer and why?

Answer»

prefer to eat food in BANANA PLATE because PLASTIC plates can lead to lot of harmful diseases and it cannot recycled but whereas banana plate can be DISPOSED and does not PRODUCE any type of diseases.

40813.

NCERT VI Social Sciences While measuring the length of a knitting needle, the reading of the scale at one end is 3 cm and at the other end is 33.1 cm. What is the length of the needle?

Answer»

he ONE end is 3cm and the other end is 33.1cm we should subtract 3 from 33.1.  Therefore, the ANSWER is 30.1cm.

40814.

NCERT VI Social Sciences What is winnowing? Where is it used?

Answer»

ng refers to a act of separating CHAFF from GRAIN. Winnowing is used to separate the SMALL INSECTS or stones which damages the GRAINS.

40815.

NCERT VI Social Sciences Rearrange the boxes given below to make a sentence that helps us understand opaque objects.

Answer» OBJECTS MAKE shadows.Hope it HELPS
40816.

NCERT VI Social Sciences Name two hybrid strains of jowar.

Answer» HYBRID STRAINS of JOWAR are MAIZE and SORGHUM
40817.

NCERT VI Social Sciences Answer in brief : (a) Name the components of the environment. (b) For which purposes is water used on a large scale? (c) How does the water in a reservoir get contaminated? (d) How does air get polluted? (e) Explain the effects of a polluted environment. (f) How was garbage of a village or town disposed of in the past?

Answer»

atmosphere,hydrosphere,lithosphere and biosphere(B)       in the agriculture field(c)       toxic ALGAE contaminates the water in the reservoir(d)      AIR pollutes with the unwanted air from factories and with carbondioxide and carbonmonoxide(E)      greenhouse effect,acid rains,particulate contaminates,increase UV radiation(f)        the garbage of the village is DISPOSED in the near by lakes or ponds in the past

40818.

NCERT VI Social Sciences Answer the following: (a) What is a ball and socket joint? (b) Which of the skull bones are movable? (c) Why can our elbow not move backwards?

Answer» BALL  and socket JOINT  is a  moveable  joint .  ex:   shoulder..B.     only with the  help of   lower jaw  in skull  bones in movable.C.     HINGE JOINTS WHICH  ARE  ALLOWS   movement  BACK and front . so, we cannot   move  our elbow backword...
40819.

NCERT VI Social Sciences Name any five plants that reproduce by means of seeds.

Answer» TOMATO, CHERRY , POPPY , STRAWBERRY
40820.

NCERT VI Social Sciences Give reasons (a) Even when the water at the surface of a lake is frozen, aquatic animals continue to live below the ice. (b) It is easier to swim in sea water. (c) Water is said to be a universal solvent. (d) Water is an ideal medium for chemical reactions.

Answer»

es like poles water is frozen but sill the MARINE animals continue to live the REASON is due to less temperature SURFACE water gets frozen.As we know DENSITY of ice is lees than water and frozen water i.e.,ice floatson water.Animals in polar regions adapt themselves to the surrounding environment and the live underneath water.

40821.

NCERT VI Social Sciences Why are young children advised to wear coloured clothes at night?

Answer»

n are advised to wear COLOURED clothes at night because it can help from preventing accidents in the night when a CHILD goes walks in the road side at night and this COLOURFUL dresses will help the vehicle to know that their is a child .

40822.

NCERT VI Social Sciences Air, water, piece of rock, sheet of aluminium, mirror, wooden board, sheet of polythene, CD, smoke, sheet of plane glass, fog, piece of red hot iron, umbrella, lighted florescent tube, wall, sheet of carbon paper, flame of a gas burner, sheet of cardboard, lighted torch, sheet of cellophane, wire mesh, kerosene stove, sun, firefly, moon.

Answer»

s the QUESTION

40823.

NCERT VI Social Sciences What is the function of a stem in plant?

Answer» MARY FUNCTIONS of the STEM are to SUPPORT the leaves; to conduct water and minerals to the leaves, where they can be converted into usable products by photosynthesis; and to transport these products from the leaves to other parts of the plant, including the ROOTS.
40824.

NCERT VI Social Sciences List the common characteristics of living things.

Answer»

things are made of cellsLiving things OBTAIN and use energy.Living things GROW and develop.Living things reproduce.Living things respond to their environment.Living things adapt to their environment.Living things excrete.HOPE THIS HELPS YOU.

40825.

What is the scintific name of rose?

Answer»

ntific NAME of ROSE is ROSA

40826.

NCERT VI Social Sciences Answer in five or six lines : (a) What must each person do to reduce the problem of garbage disposal? (b) What care must be taken to prevent contamination of the town or village water supply? (c) What are the adverse effects of the increasing population on the problem of garbage disposal? (d) What care should be taken in order to maintain good social health in a village or town?

Answer»

usage should be reducedwater shed PROGRAMS MUST be conductedproper WASTE disposal should be spreaded AMONG PEOPLE

40827.

NCERT VI Social Sciences To walk through a waterlogged area, you usually shorten the length of your dress by folding it. Can this change be reversed?

Answer» CHANGE can be REVERSED as we can UNFOLD the DRESS
40828.

NCERT VI Social Sciences Name that part of plants which produces food. Name this process.

Answer»

t of PLANT which produces FOOD is leafthe process is CALLED photosynthesis

40829.

NCERT VI Social Sciences Fill in the blanks: (a) The method of separating seeds of paddy from its stalk is called ________. (b) When milk is cooled after boiling and poured on a piece of cloth, cream (malai) is left behind on it. This process of separating cream from milk is an example of _________. (c) Salt is obtained from seawater by the process of __________. (d) Impurities settled at the bottom when muddy water was kept overnight in a bucket. Clear water was then poured from top. The process of separation used in this example is called _________.

Answer»

eshing 2  filtration3  EVAPORATION   and 4  DECANTATION ..........

40830.

NCERT VI Social Sciences How is a cactus adapted to survive in a desert?

Answer»

has adapted itself with its LONG roots that grow deep into the soil and TRAP WATER for it to survive.It LEAVES and thorns AVOID transpiration.Its stem stores more water.

40831.

NCERT VI Social Sciences In which state is the LPG in the cylinder of the cooking stove?

Answer» STATE and the GAS is COMPRESSED into the CYLINDER
40832.

NCERT VI Social Sciences Do you find that all living beings need the same kind of food?

Answer» LIVING BEINGS on EARTH depend on plants directly or indirectly.Carbohydrates,Fats Proteins,Minerals,Vitamins are necessary for living beings to live healthily.All living beings may not require same food but intake of nurients should be more
40833.

NCERT VI Social Sciences Fill in the blanks. (a) Oxygen ………… burn, but ………… burning. (b) Some ………… substances absorb ………… from the air. (c) It is mandatory to treat ………… before letting them out. (d) Solid carbon dioxide is also called ………… .

Answer» E WATER [d] DRY ICE
40834.

NCERT VI Social Sciences Some insects buzz around and sit on flowers which have a scent. Of what use could this be to the plant?

Answer»

be for POLLINATION or to COLLECT NECTAR

40835.

NCERT VI Social Sciences Why is distance measured in kilometers rather than in miles?

Answer»

s easy MEASURING the DISTANCES in kilometers we use KM rather than MILES

40836.

NCERT VI Social Sciences Name two items that are made from coconut fibre.

Answer» HAT are MADE from COCONUT FIBRE.-------RopeGeotextilesCarpetSoil TREATMENT materialbags
40837.

NCERT VI Social Sciences What is an insulation tape made from?

Answer»

ion tape is SUITABLE for the protection and insulation of ELECTRICAL WIRES and it is made from FINE quality raw MATERIAL

40838.

NCERT VI Social Sciences What tells us whether something is big or small?

Answer»

ng the SHAPE of the THING we can tell the OBJECT is big or small

40839.

NCERT VI Social Sciences Explain clearly what is − (a) growth (b) responsiveness to stimuli (c) excretion (d) reproduction

Answer»

etion is the elimination of wastes that are formed during the metabolism of various SUBSTANCES in the body.(D)The PRODUCTION of new ORGANISMS from the existing organisms of the same species is KNOWN as REPRODUCTION.

40840.

NCERT VI Social Sciences What is meant by ‘water is chemically neutral’?

Answer»

er PH VALUE is 7 it is neither ACIDIC nor basic Hence we say water is chemically neutral

40841.

NCERT VI Social Sciences What is the composition of air?

Answer» 21%nitrogen-78%CARBON dioxide-0.09%WATER vapour-variesother GASES and DUST particles-0.03%
40842.

NCERT VI Social Sciences What is sieving? Where is it used?

Answer»

is the PROCESS of removing a solid-solid MIXTURES..EX. removing stone particles from FLOUR

40843.

NCERT VI Social Sciences Give an example of a non-living thing that shows any two characteristics of living things.

Answer» ING THING BECOME OLD
40844.

NCERT VI Social Sciences Select those objects from the following which shine: Glass bowl, plastic toy, steel spoon, cotton shirt

Answer»

ects which shine are GLASS BOWL,STEEL Spoon....

40845.

NCERT VI Social Sciences Fill in the blanks. (a) The edge of the leaf is called the ……………. . (b) The ……………. is made of stamens. (c) The flat part of a leaf is called the ……………. . (d) The corolla is the ……………. . (e) The innermost whorl of the flower is ……………. .

Answer» ER and FILAMENT[C]BLADE or LAMINA
40846.

NCERT VI Social Sciences To clean their spectacles, people often breathe out on glasses to make them wet. Explain why the glasses become wet.

Answer» BREATHE out some amount of WATER VAPOUR COME out which get condensate when they come in contact with your cold SPECTACLE glasses .
40847.

NCERT VIII - Sciences Give two differences between a zygote and a foetus.

Answer» WRITE DIFFERENCES in TABULAR FORM :-
40848.

Name three multicellular organisms?

Answer» PLANTS and ANIMALS are MULTICELLULAR.
40849.

NCERT VIII - Sciences What will happen if: (a) we go on cutting trees.

Answer»

ogical IMBALANCE will occur2. pollution will GO on increasing3. PERCENTAGE of oxygen will goes on decreasing such that oxygen debt will occur4. there will be INCREASE in temperature

40850.

Compare aggregate and multiple fruit.

Answer»

te                                                          MultipleThese are FRUITS that are developed     These are fruits developed from from a single flower to form                multicarpellary syncarpous ,superiormany FRUITLETS.                                     ovary to form a single fruit.Single flowers contain many               Many ovary FUSED to form aovary  which FORMS                              single fruitmany fruitletsExamples:Strawberry                           EXAMPLE:pineapple.