Paper Science Class 6th
Choose the correct option
1.include all the green plant
- produce b) shutters c) consumers
2.all animal feeding on producers caplant and other animals for their food
- Producers b) Consumers c) carvivors d) omniours
- ______ are primary consumers and Depends directly on a plant of their survival.
- Carivivors b) ominous c) herbivores d) producers
4._______ the meat eater and secondary consumers feeding on primary consumers
- Carvivors b) producers c) omnivores d) harbiures
5.______depend on both plant and animal for their food
- Consumers b) herbivores c) carvivors d) omnivores
6.Include saprophytes fungi and bacteria that convert the deed animal and plants into fertilizer nitrogen and carbon dioxide.
- Decomposer b) omnivores c) consumers d) herbivores
7.______ is a place which get enough rainfall and have warm temperature for a lot of tree to grow.
- Waterland b) forest c) derecrt d) grassland
8._______ is our Lot of dry and Sandy area with little and rainfall.
- Forest b) desert c) tundra d) water land
9.________ is an environment that is very cold and unilay
- Forest b) desert c) Grassland d) fundra
10.ecosystem is a community of _______
- Energy b) Plant c) another d) feed
- animal and organisms that live
- smaller b) ecosystem c)environment
12.reproduce and interact with one_____ and ______with their environment
- Feed b)plants c)another d)energy
13.Within an ecosystem chain of instructions take place________ organisms and their environment.
- Ecosystem b) between c) each d) components
14.Ecology is the study_______ of living organisms with their environment
- Relationship b) biology c) environment
15.Each ecosystem has two_______ biotic.
16.everything which is present in the surrounding of living______ is called its environment
- organism b) ecosystem c) components d)biotic
- Ecology is the study _________ of living organisms with their recruitment.
- Relationship b) ecosystem c) organisms
18.my food chain combine to form________
- Food raith `b) food web c) food chain
19.Carbon hydrogen oxygen and________ compounds
- Nitrogen b)oxygen c)atom
20.alchemical length between______
- oxygen b)atoms c)sugars
21.the major energy source within plants and _____
- Animals b)chemical c)cation d)charge
22.The samals structural and functional unit of an
- Either b)organism c)sytom d)amount
23.The_______ unbalanced electricity in our system
- Amount b)samles c) trucal
24.the temperature at which a liquid boils and turn into______
- Vapers b)catalyst c) basic
25.The digestive system involves in the breakdown of food into small
- Atom b)molecules c)pieces
26)digestion is the process of which food is Broken Down into ________
- Molecules b) simpler c)smaller d)large
27)mechanical digestion involves the breaking down of_____ food into smaller pieces
- Large b)small c)middle
28)it just start in the oral cavity through chewing by______
- Mouth b)lung c)teeth d)stomach
29.Food is then swallowed and father broken down by the construction and relation of
stomach_______
- Vessly b)liver c)enzymes walls
30)food enters the digestive system through the _______
- mount b)oral cavity c)teeth d)stomach
31.Salivary ________ which are present in the mount sereete saliba
- Liver b) gland c) vessel d) stomach
32.The oesophagus is a ______ Narrow and hollow muscular tube
- Long b)large c)small d)bolus
33.______ is the Sac like structure of the digestive system
- Stomach b)liver c) mouth d)small intense
- ______ is the last part of the digestive system.
- Small intestine b) liver c) large intestine d) stomach
35.The heart consist _______ chambers
- Four b) five c) six d) seven
36.Artia are _______ size in the ventricle
- Smaller b)larger c)meddle
37.Artria divide and re-divide to form narrow and thinner walled blood vessels classed______
38.Diet offected ______ disease include
- Heart b)anacani c) troubosis
39.Food prepare by the _______ is transported to other part
- Leaves b) root c) stem
40.The digested food is absorbed by the the blood in the
- mouth b) Small intensive c)stomach d) large intensive
41.The secretion of liver called ______
- Bile b) solida c) gastric d)pancreatic juice
42.the mechanical breakdown of food occurs in the
- Mouth stomach b) mouth and small intensive
- c) Mouth d)stomach
43.The alternate home for teachers is______
- Wind pipe b) oesphagus c)largnx d) lungs
44.the blood from the heart is transported to all parts of body by _______
a)Arteries b)vines c) capillaries
45.transport of from roots in plant take place through
- Phloem b) xylem c) epidermis d) stomata
46.The evaporation of water from leaves is called
- Photosynthesis b) respiration c) transpiration d) Translocation
47.The largest is called
- Aorta b) ventricle c) atrium d) plumonarytery
- Systhesis of carbohydrates take place in
- Root b) stem c) fruit d) leaves
49.Which of the following is the fmals sax organ
- Stam an b) carpel c) petal d) sepal
50.Ptatato is asexually produced through
- Layering b) tubers c) cutting d) grothings
51.Self Pollination occur between
- same flowers b) different flowers
- c) flowers of different plants d) same or different of the from plant
52.Seed develops from
- Ovule b) ovary c) another d) both ovary and oracle
53.Which one of the following is not a reproductive structure
- Sepal b) carpel c) Ovule d) pollen grain
54.Living place of organism called
- Habitat b) environment c) ecosystem d) species
55.Many food chains unit to make
- Food cycle b) food web c) food pyramid d) merge food chain
56.An animals that feed on plants is called
- Producer b) primary c) consumer d) secondary consumer
57.In winter most could blooded animal disappear because they
- Die b) hibernate c) margaret d) btan away
58.the Mead Eater also known as
- Herbivores b) carnivores c) omnivores d)producer
59.percentage of water on Earth surface is about____
- 50% b) 60% c) 70% d) 80%
60.suspended particles from drinking water are removed by
- Table salt b) chlorine c) charcoal d) potassium
61.Distillation is a technique of
- Separation b) preparation c) filtration d) disinfection
62.A particle that carries a negative electrical charge
- proton b) neutron c) nucleus d) electron
63.the Center or core of an atom is called
- Orbital b) Nucleus c) proton d) Neutron
64.an element has 7 electrons in his valences valances
- 7 b) 0 c) 1 d) 8
65.hydrocarbon compound of carbon and
- oxygen b) hydrogen c) nitrogen d) chlorine
66.the heat in metal rod flows by the process of
- Redaction b) conduction c) magnetization
67.Coastal breeze is produce by
- Convection b) redaction c) conduction d) rain
68.Convection occurs only in
- Liquid and gasses b) solid and gasses
- c) Liquid and solid d) liquid and metal
69.the primary color of light are_____
- Red green b) yellow red green blue red yellow c) Blue green d) yellow blue
70.In the desert mirage is seen due to which phenomenon
- Reflection b) refraction c) diffraction d) total internal reflection
71.sound waves are
- Long stindinal b) transverse c) x rays d) electronegative
72.which one of the following media is worth for transmitting sound waves
- Water b) iron c) vacuum d) wood
73._____is an essential element for life
- Food b) water c) air d) oxygen
74.a number of people have inadequate sanitation facilities
- Middle b) small c) large d) quarter
75.the effects of water pollution are not only harmful to human being also to animal fish and ______
- human b) animal c) Birds d) tree
76.the major source of water on Earth surfaces on oceans City earth Town Village
oceans contain more than percent of the total water
- 70% b) 97% c) 99% d) 100%
- Oceans contain more then percent of the total _____ water.
- 70% b) 97% c) 99% d) 100%
78.The fresh water needed for human requirements is nearly_______ of total
- 10% b) 20% c) 30% d) 40%
79.The remaining water is locked in ice sheets and ________
- Stream b) lakes c) ponel
80.The inland water includes _______
- River b) oceans c) soil d) lakes
81.water is a solvent and can dissolve vest variety of substances
- Excellent b) good c) bad d) fair
82.water pollution is mainly caused by Sewage
- Agricultural b) domestic c) industries d) acid rain
83.Sources ______ water can be contaminated and requires appropriate treatment to remove impurities and disease causing agents
- Drinking b) swimming c) boiling d) cooking
84.during this step the removal of suspended particle from______ take place
- Sand b) water c) soil d) air
85______ the water has been filtered
- After b) before c) behind d) filtration
86.________water is used by cooking cleaning drinking and watching
- School b) homes d) colleges d) Hospital
87.water in industry is used as
- Ingredient b) coolant c) reagent d) cleansing
88.________ rafting and boating
- Boiling d) cooking d) drinking d) swimming
89.The Growing population rate and the availability of small percentage of useable water on________
- Cites b) earth c) Town d) village
90.Our_______ system is extremely small part of universe
- Earth b) universe c) world d) solar
91.______ of most popular theories about the beginning of this universe
- Two b) three c) five d) one
92.The Big Bang Theory of the origin of the universe was proposed by
- John Easter b) edulin hubble c) Christin d) Ellen-m h
93.used two or three x-rays filing sheet for viewing the _________
- Moon b) sun c) earth d) sky
94.stars come in a range of colors of reddish to Yellow is to_______
- Green b) blue c) red d) white
95.one light year is the distant covered by oignt in
________.
- Two years b) one year c) three year d) four year
96.light rays travel at a speed of _____ km/sec
- 400,000 b) 300,000 c) 200,000 d) 500,000
97.important galaxies in the universe _____
- Four b) two c) three d) one
98.When you switch on a________
- computer b) television c) iron, d) torch
99.The flow of _____is called current and represented by symbols “i”
- neutrons b) protons c) electrons d) circuit
100.electric currents can be bring changers
a) reaction b) chemical c) oxygen d) metal