Sir C.V.Raman Science Talent Search Competition -2024-25 Std-5th & 6th
1. Label the following diagram. Name the specimen.
Ans-
A – Leaf Apex
B – Leaf Margin
C – Veins
D – Petiole
2. Label the following diagram. Name the figure
Ans-
A – Nucleus
B – Cilia
C – Vacuole
D – Name of the Organism– Paramecium
3. Label the diagram. Name the simple machine
Ans-
A- Effort
B- Fulcrum
C- Load
D- Name the simple machine- First Order Lever
4. Label the diagram.
Ans-
A-Steam
B- Evaporating Dish
C- Wire Gauze
D-Spirit Lamp
5. Observe the picture and answer the following questions given below:
Questions:
1) Name any two living things seen in the picture.
Ans. Dog.Hen,Chicken,Tree,Boy,Girl
2) Name any two non living things seen in the picture.
Ans. Ball,Kite,Lamp,Fan
3) Write any two characteristics of living things.
Ans. Living things grow. Living things move.
4) How do you identify the non living things in the picture.
Ans. Non living things do not move on their own. They do not reproduce.
Q.6 Read the passage and answer the following questions given below:
Ratan Tata was born in 1937 into a prominent family in India. He was raised by his grandmother after his parents separated when he was young. After studying in India and the United States of America, he joined the Tata Group, a large business group started by his family. He worked very hard and learned the business from the ground up.
In 1991, he became the chairman of Tata Group. Under his leadership, the company expanded greatly and became known around the world. One of his biggest achievements was the launch of the Tata Nano, the world’s cheapest car, made so that more families in India could afford a vehicle. He believed in making life better for people, not just earning profits.
Even after he retired, Ratan Tata continue to help people by donating to causes like education, health, and disaster relief. He is admired for his humility, generosity, and his vision to help others through his work.
1) Who raised Ratan Tata after his parents separated?
Ans. _________________________________________________________________________
2) What is the name of the company Ratan Tata led?
Ans. _________________________________________________________________________
3) What was special about the Tata Nano car?
Ans. _________________________________________________________________________
4) When did Ratan Tata become the chairman of Tata Group?
Ans. ____________________________________________________________________________________________
5) What qualities make Ratan Tata admired by many people?
Ans. __________________________________________________________________________
Q.7 A_____ is used to measure milligrams of gold and silver.
A) Balance B) Spring balance C) Sensitive balance D) cylinder
Ans- C
Q.8 Very big masses are measured in_______ and_______ ;.
A) Kg and gm B) Quintal and ton C) mm and cm D) mm and dm
Ans-B
Q.9 ___________ is the instrument used by cloth merchants to measure cloth pieces.
A) Thermometer B) metre rod C) measuring cup D) Weighing balance
Ans-B
Q.10 Unit used to measure temperature are____ and_______ .
A) °C and °F B) Cm and m C) mg and kg D) ml and lit
Ans-A
11 Sonar method is used to measure_____ .
A) height above sea level B) Air pressure C) depth of sea water D) water pressure
Ans-C
Q.12 __________ is required to set an object in motion.
A) Friction B) Movement C) Force D) Weight
Ans-C
Q.13 Motion of a bullet out of a gun is an example of__ motion.
A) Circular B) Linear C) Random D) Oscillatory
Ans-B
Q.14 The distance covered by a moving object in a unit of time is called of the object
A) motion B) momentum C) speed D) movement
Ans-C
Q.I5 The Speed of a scooter which covers 80 km in 2 hours is__
A) 20 Km/hr B) 30 Km/hr C) 40 Km/hr D) 10 Km/hr
Ans-C
Q.I6 If force is applied in the opposite direction its speed_____ .
A) remains the same B) decreases C) increases D) is unpredictable
Ans-B
Q.17 The earth has the property of pulling towards itself all the objects around it. This is
called the force of._____ .
A) Magnetism B) gravitation C) acceleration D) electromagnetism
Ans-B
Q.18 A________ is used to weigh an object by suspending it from its hook.
A) Micrometre B) Beam balance C) Spring balance D) screw gauge
Ans- C
Q.19 The________ of an object Depends upon the mass of the object.
A) force B) friction C) movement D) weight
Ans-D
Q.20 The season which occurs due to changes in air pressure over sea and land :
A) monsoon B) winter C) summer D) autumn
Ans-A
Q.21 All the parts of a machine rub against each other, results in___ .
A) motion B) Sparks C) polished surface D) wear and teat
Ans-D
Q.22 A _ ___ is fitted to a crane to pick up iron scraps
A) wood B) magnet C) nail D) steel
Ans-B
Q.23 ________ is used to lubricate different parts of a machine.
A) water B) Grease C) kerosene D) Cooking oil
Ans-B
Q.24 Nail cutter cuts nail with the application of .. __ .
A) Heat B) pressure C) forking D) pulling action
Ans-B
Q.25 Work is said to be done only if the object to which force is applied is .
A) weighed B) displaced C) Not displaced D) not weighed
Ans-B
Q.26 Water Is used to produce power in_____ power station.
A) solar B) hydroelectric C) thermal D) atomic
Ans-B
Q.27 Animals and plants are ______ Resources.
A) Renewable B) Non renewable C) Conventional D) Non conventional
Ans-A
Q.28 Which part of the flower protects in the bud form?
A) Androecium B) Gynoecium C) Calyx D) Corolla
Ans- C
Q.29 _______ is a male reproductive organ of the flower.
A) Gynoecium B) Androecium C) Stamen D) Carpel
Ans-B
Q.30 Which part of the flower forms fruit?
A) seed B) petal C) stamen D) ovary
Ans-D
Q.31 Bryophyllum can reproduce by its____ .
A) Stem B) leaves C) roots D) flower
Ans-B
Q.32 Pollination by water is called
A) Zoophily B) hydrophily C) entomophily D) Anemophily
Ans- B
Q.33 Sunlight helps in building up____ .
A) Vitamin E B) Vitamin C C) Vitamin A D) Vitamin D
Ans- D
Q.34 The scorecard is seen through a pinhole camera during a cricket match, if a player it’s
a six, then the ‘observer will see a scorecard of______ .
A) 9 B) 6 C) laterally inverted 9 D) laterally inverted 6
Ans-C
Q.35 ____________ is a reptile animal.
A) Cockroach B) Snail C) Snake D) Fish
Ans-C
Q.36 ____________ is NOT an amphibian.
A) Frog B) Toad C) Snake D) Salamander
Ans-C
Q.37 ______ _____ is necessary for burning.
A) 02 B) C02 C) CO D) N2
Ans-A
Q.38 ____________ gas is fixed by leguminous plants.
A) Ammonia B) Nitrogen C) Hydrogen D) Oxygen
Ans-B
Q.39 Everyday of a lunar month is called____ .
A) waxing moon B) warning moon C) phases of moon D) tithi
Ans-D
Q.40 In welding work a mixture of_____ and____________ is used as a fuel.
A) O2, ethylene B) O2, acetylene C) O2 , N2 D) O2, Oxyethylene
Ans-B
Q.41 By which instrument is blood pressure measured?
A) barometer B) hygrometer C) Manometer D) sphygmomanometer
Ans-D
Q.42 In galvanisation , iron metal is coated with which metal to prevent rusting?
A) Copper B) zinc C)” gold D) Nickel
Ans- B
Q.43 Magnesium burns in oxygen to form_____ .
A) magnesium oxide B) magnesium hydride
C) magnesium hydroxide D) magnesium carbonate
Ans-A
Q.44 Which of the following is not a property of acid?
A)Acid are sour in taste B) Acids are used in preparing fertilizers
C)Acids have hydrogen radical D) Acids are used in the soap and detergent industry
Ans-D
Q.45 An electric bulb is used for light but it also gives heat. This is not desirable. This results in wastage of electricity. This wastage can be reduced by using .
A) Heaters B) coolers C) light emitting diodes D) compact fluorescent lamps
Ans-C
Q.46 The size of the image formed by a plane mirror is_____ .
A) smaller than the object B) same as that of the object
C) larger than the object D) none of the above
Ans-B
Q.47 They help in strengthening the bones.
A) Carbohydrate B) mineral C) proteins D) iron
Ans-B
Q.48 Buoyancy in aquatic plant is due to____
A) Water B) air in there body C) light D) temperature
Ans-B
Q.49 Considering magnetism, who is different amongst us?
A) Iron B) Copper C) Nickel D) Steel
Ans-B
Q.50 Magnetic force is__________ .
A) concentrated at poles B) concentrated at middle
C) same throughout the magnet D) unpredictable
Ans-A
Q.51 Arrangements of veins in leaf is called as____ .
A) plantation B) aestivation C) transpiration D) venation
Ans-D
Q.52 Loss of water by plants is called_________ .
A) transpiration B) condensation C) transportation D) evaporation
Ans- A
Q.53 A wooden spoon is dipped in a cup of ice cream its other end.
A)becomes cold by the process of conduction
B) becomes cold by the process of convection
C) becomes cold by the process of radiation
D) does not become cold
Ans-D
Q.54 Which of the following set of substances contains acids.
A) grapes, water B) vinegar, soap C) curd, milk of magnesia D) curd, vinegar
Ans-D
Q.55 Which substance is a strong base?
A) vinegar B) lemon juice C) Ammonia D) Baking soda
Ans-D
Q.56 What is the unit offeree in the International System of Units (SI)?
A) Gram B) Newton C) Metre D) Joule
Ans-B
Q.57 Find the odd man out.
A) jamun B) ladies finger C) drumstick D) papaya
Ans-A
Q.58 Which disease cannot be controlled by vaccination?
A) Measles B) typhoid C) Cold D) Tetanus
Ans-C
Q.59 Which part of our body does the following things?
a) protection b) excretion c) knowledge of surrounding
A) Eye B) Ear C) Skin D) Nose
Ans-C
Q.60 The minute sacs in the lungs are called_________ .
A) Trachea B) oesophagus C) alveoli D) Diaphragm
Ans-C
Q.61 At which of the following places, the seeds germination will be its best?
A) Marshy area B) river delta C) desert area D) North Pole
Ans-B
Q.62 Identify the cloth that will melt on heating.
A) Khadi kurta B) rayon shirt C) silk saree D) woollen shawl
Ans-B
Q.63 Find odd one out:
A) leather shoes B) newspaper C) Bisleri bottle D) bamboo mat
Ans-C
Q.64 Parth is preparing lemonade by adding salt, sugar and ice in lemon juice. For quick
preparation, what sequence should be followed?
A) sugar-salt-ice B) ice-sugar-salt C) sugar-ice-salt D) Salt-ice-sugar
Ans-A
Q.65 Red glass is obtained from which of the following materials?
A) Sand and washing soda B) Sand and soda bicarb
C) Reddish rock and coal D) Reddish rock and washing soda
Ans-A
Q.66 The device used to measure the speed of wind is_____ .
A) parameter B) Anemometer C) windmill D) pinwheel
Ans-B
Q.67 Tubelight glass : semi transparent :: mirror glass :_______ __
A) non luminous B) transparent C) reflector D) opaque
Ans-D
Q.68 How many quintals of rice make one metric ton?
A) 10 B) 100 C) 1000 D) 10,000
Ans-A
Q.69 A solar cell converts_______ _______
A) chemical energy to light energy B) light energy to electrical energy
C) electrical energy to light energy D) light energy to chemical energy
Ans-B
Q.70 The sun rises in the East and sets in the west because_______
A) Earth moves from east to west B) Earth moves from west to east
C) Sun moves from east to west D) Sun moves from west to east
Ans-B
Q.71 Removal of water from anybody causes__________ .
A) rehydration B) dehydration C) hydration D) hydrogenation
Ans-B
Q.72 Garbage when buried in the soil forms excellent manure called .
A) night-soil B) farm yard C) oil-cakes D) compost
Ans-D
Q.73 Heavy water is a by-product of_____________ .
A) small scale industries B) textile industries
C) nuclear industries D) large scale industries
Ans-C
Q.74 Microorganism who feed on the bodies of dead organisms are called______ .
A) insectivores B) herbivores C) omnivores D) decomposers
Ans-D
Q.75 The oxygenated blood in the human body flows from______ .
A) heart to lungs B) lungs to heart C) heart to body D) body to heart
Ans-C
Q.76 What conversion is carried on by ptyalin present in saliva?
A) Glucose into starch B) protein into glucose
C) Carbohydrates into sucrose D) carbohydrates into glucose
Ans-D
Q.77 Birds are adapted to fly because of_______ .
A) streamlined body B) Light bones C) wings and feathers D) all of these
Ans-D
Q.78 The white outer covering of human teeth is called_______ .
A) gums B) enamel C) teeth cap D) teeth root
Ans-B
Q.79 _______ and phosphates are main and important compounds which make the soil
rich and fertile.
A) Sulphur B) Boron C) nitrates D) silicon
Ans-C
Q.80 Copper, Gold, silver, aluminium and iron are__________ of heat.
A) semiconductors B) bad conductors C) super conductors D) good conductors
Ans-D
Q.81 Which vitamin has a chemical name ascorbic acid?
A) Vitamin C B) Vitamin B3 C) Vitamin D D) Vitamin K
Ans-A