General Science questions for class 4 with answers for General Science and ability subject exams preparations.
General Science Questions for Class 4
Science is derived from Latin word “Scientia” which means?
- Knowledge
- Wisdom
- Information
- Intelligence
Which is the central control system of your body?
- Lungs
- Brain
- Liver
- Heart
The part of the body that controls the overall body movements?
- Heart
- Lungs
- Brain
- Liver
An adult brain weighs about?
- 1.4 Kg
- 1.5 Kg
- 1.6 Kg
- None
A headache is not a pain in your brain but most headaches happen in the?
- Nerves
- Bones
- Muscles
- Blood vessels
The food you eat, the sweets you eat and the drinks you drink, all go down to your?
- Liver
- Lungs
- Stomach
- None
The stomach is like a ___ bag.
- I-shaped
- J-shaped
- K-shaped
- L-shaped
Digestion begins in one of the following part of the body?
- In the stomach
- In the mouth
- In the esophagus
- In the intestine
The stomach works like a?
- Oven
- Toaster
- Mixer
- None
Stomach store water and food and digest it with the help of the?
- Saliva
- Stomach Juices
- Bile
- Sweet
Which are responsible for biting, chewing, crushing and grinding the food we eat?
- Nails
- Eyes
- Ears
- Teeth
Teeth are similar to bone and contain a mineralized matrix called?
- Enamel
- Canines
- Incisors
- None
Which teeth are used to rip and tear food?
- Enamel
- Canines
- Incisors
- None
The __ are pointed teeth that are adopted for tearing and slashing.
- Canines
- Incisors
- Enamel
- None
Tearing teeth present in human are?
- Incisors
- Enamel
- Canines
- None
What is the job of incisor teeth?
- Grinding and crushing food
- Snipping and cutting off pieces of food
- Tearing and piercing flesh
- Mixing food with saliva
There are _____ primary teeth and _____ permanent teeth.
- 20, 28
- 20, 32
- 32, 20
- 28, 20
Which is the body part for hearing and maintaining the body’s balance?
- Nose
- Ear
- Eyes
- Brain
Which part of the body is the made up of internal and external parts?
- Nose
- Brain
- Eye
- Ear
The part of ear which is visible called?
- External Ear
- Internal Ear
- Both A and B
- None
Which part of the body helps elephants to control their temperature?
- Eyes
- Nose
- Ears
- None
Which elephants have larger ears than Asian elephants?
- European
- Australian
- African
- None
Which part of body has also warms, moistens and filters the air before it goes to the lungs?
- Ears
- Heart
- Brain
- Nose
The breathing centre of human body is?
- Lungs
- Ears
- Nose
- Brain
Lungs are two soft spongy large balloon like organ located in the?
- Abdomen
- Chest
- Head
- Pelvis
The delicate lungs are protected by a cage of bones. This cage is called the?
- Sternum
- Skull
- Pelvis
- Ribcage
The air which is inhaled (taken in) through the nose enters the?
- Heart
- Brain
- Lungs
- Stomach
During breathing, the clean, moist and warm air enters the wind pipe called?
- Bronchi
- Larynx
- Esophagus
- Trachea
Which is a hollow tube in your chest?
- Trachea
- Bronchi
- Esophagus
- Larynx
The trachea is divided into two smaller tubes called?
- Alveoli
- Bronchial Tubes
- Tracheoli
- None
Each bronchial tube is joined to each?
- Heart
- Lung
- Liver
- Brain
The air you breath in enters the Lungs through the?
- Windpipe
- Esophagus
- Larynx
- Bronchi
Which absorb oxygen from the air and gives out carbon dioxide?
- Heart
- Liver
- Lungs
- Kidney
Asthma and Lung Cancer are the main disorders of?
- Heart
- Liver
- Brain
- Lung
The disorder in respiratory tract takes place without control of cell division and causes, cysts called?
- Lungs Cancer
- Pulmonary Fibrosis
- Emphysema
- Cystic Fibrosis
Smoking can cause?
- Joint Pains
- Eye Problems
- Lungs Cancer
- Liver Damage
Which is a common breathing disorder and it causes difficulty in breathing due to swollen air passage?
- Emphysema
- Bronchitis
- Asthma
- Pulmonary Fibrosis
Which is caused by too much and too fast eating and also eating spicy food?
- Diarrhea
- Indigestion
- Constipation
- Vomiting
The pumping station of the human body is/are?
- Heart
- Brain
- Liver
- Lungs
Heart pumps blood to all parts of the body through?
- Nerve Cells
- Muscle Tissue
- Blood Vessels
- Bone Marrow
Which organ is located a little to the left from the middle of your chest?
- Lungs
- Liver
- Heart
- Stomach
The average human heart beats about?
- 72 times per minute
- 71 times per minute
- 70 times per minute
- 74 times per minute
All the bones of the body make the framework called?
- Skeleton
- Muscular system
- Nervous system
- Circulatory system
The function of the ______ is to support and protect the internal organs of the human body.
- Muscles
- Tissue
- Skeleton
- Organs
The part of body that gives you shape is?
- Muscles
- Skeleton
- Skin
- Organs
Brain is protected by?
- Skull
- Ribcage
- Sternum
- Pelvis
Ribs and breastbone protect the?
- Brain and Skull
- Heart and Lungs
- Liver and Stomach
- Kidneys and Adrenal Glands
Humans are born with _______ bones but adults have _______ bones.
- 206, 206
- 300, 300
- 206, 300
- 300, 206
We have ___ bones in our one foot and _____ bones in our one hand.
- 26, 27
- 25, 23
- 27, 26
- 23, 25
Places where two bones meet are called?
- Muscles
- Joints
- Ligaments
- Tendons
The ___work together to support your body and move it forward.
- Organs and Tissues
- Skeleton and Muscle
- Bones and Joints
- Ligaments and Tendons
The outer layer of your body is called?
- Organs
- Muscles
- Skeleton
- Skin
Which is the largest part of the body as it covers the whole body?
- Muscles
- Skin
- Skeleton
- Organs
The largest organ in human with the respect to surface area is?
- Organs
- Skeleton
- Skin
- Muscles
Skin is the outer layer of our body. The thickness of skin is?
- 2 millimeters
- 3 millimeters
- 4 millimeters
- 1 millimeter
Which one is the sensitive to temperature, touch, pressure and pain?
- Muscles
- Bones
- Organs
- Skin
Primary teeth is/are also known as?
- Milky Teeth
- Baby Teeth
- Deciduous Teeth
- All of these
Permanent teeth is/are also known as?
- Adult Teeth
- Secondary Teeth
- Both A and B
- None
Which act as barrier and prevents harmful germs, diseases from entering your body?
- Muscles
- Skeleton
- Skin
- None
Science is derived from which word?
- Greek
- English
- Spanish
- Latin
Science is derived from the Latin word?
- Scientais
- Scientia
- Scientiases
- None
The part of the body that protects the internal body parts?
- Skeleton
- Skin
- Muscles
- Organs
The transfer of characteristics between parents and offspring is called?
- Evolution
- Inheritance
- Genetic drift
- Mutation
The characteristics that an organism inherits from its parents are called?
- Genes
- Cells
- Traits
- Tissues
Which of the following characteristics are examples of inherited traits in humans?
- Colour of hair, skin, eyes
- Blood group
- Shape of nose and lips
- All of these
The stages of growth which an animal and plant passes through to reach the adult stage are called the?
- Growth Cycle
- Life Cycle
- Development Cycle
- Reproductive Cycle
The life cycle of butterfly is?
- Eggs→caterpillar→pupa→butterfly
- Eggs→pupa→caterpillar→butterfly
- Eggs→butterfly→caterpillar→pupa
- Eggs→caterpillar→butterfly→pupa
Larva of butterfly is also called?
- Eggs
- Caterpillar
- Pupa
- Adult
Larva of butterfly is also called?
- Eggs
- Caterpillar
- Pupa
- Adult
The life cycle of the frog is?
- Frogspawn→tadpoles→frog→froglet
- Frogspawn→froglet→frog→tadpoles
- Frogspawn→frog→tadpoles→froglet
- Frogspawn→tadpoles→froglet→frog
Larva of Frog is also called?
- Spawn
- Froglet
- Tadpoles
- Adult
Frog eggs are also called?
- Spawn
- Froglet
- Tadpoles
- Adult
The life cycle of the bee is?
- Egg→larva→pupa→bee
- Egg→larva→bee→pupa
- Egg→pupa→larva→bee
- Egg→bee→pupa→larva
Larva of a bee is also called?
- Egg
- Pupa
- Adult
- Grub
Pupa of a bee is also called?
- Egg
- Cocoon
- Adult
- Grub
The life cycle of a bean plant is?
- Seed→Flowering→Germination→Leaf growth
- Seed→Germination→Leaf growth→Flowering
- Germination→Leaf growth→Flowering→Seed
- Germination→Leaf growth→Seed→Flowering
Plants absorb____during day time to prepare their food.
- Carbon Dioxide
- Oxygen
- Nitrogen
- Hydrogen
Plants prepare their food in the presence of?
- Hydrogen
- Sunlight
- Nitrogen
- Both A and C
Animal and Plant bodies contain ________ of water.
- 75%
- 72%
- 70%
- 73%
About ______ of the body weight of a mammal is water.
- 70%
- 75%
- 80%
- 90%
The major source of quick energy for our body is?
- Carbohydrates
- Mineral
- Vitamin
- Protein
Potato, wheat, rice, corn and all types of sweet fruits contain?
- Mineral
- Vitamin
- Protein
- Carbohydrates
Which provide instant energy?
- Mineral
- Vitamin
- Carbohydrates
- Protein
Which are the found in fruits, vegetables, grains and sea food?
- Minerals
- Enzymes
- Hormones
- Fats
Which help in body’s growth and keeping it healthy?
- Enzymes
- Hormones
- Fats
- Minerals
Which are mainly found in fruits and vegetables?
- Proteins
- Vitamins
- Fats
- Carbohydrates
Among the following, which group of food protects us from many diseases?
- Vitamins
- Proteins
- Fats
- Carbohydrates
Milk, meat, eggs and pulses provide us?
- Protein
- Vitamin
- Mineral
- Carbohydrate
Which are called body building foods?
- Carbohydrate
- Protein
- Vitamin
- Mineral
Among the following, which group of food help our body grow and repair tissues and muscles?
- Carbohydrates
- Vitamins
- Proteins
- Minerals
Which of the following food has lowest protein content?
- Apples
- Watermelon
- Mango
- Peanut
Which of the following food has high protein content?
- Apples
- Watermelon
- Mango
- Peanut
Fats are found in?
- Oil and Butter
- Margarine and Seeds
- Nuts
- All of these
Fats are found in following except?
- Oil
- Margarine
- Vegetables
- Nuts
Fat provides _______ as much energy as the same amount of carbohydrate.
- Half
- Twice
- Same
- One-quarter
In which of the following Vitamin A is found?
- Carrots
- Cod-liver
- Oil
- All of these
In which of the following Vitamin B is found?
- Vegetables
- Whole wheat grains
- Fresh meat
- All of these
In which of the following Vitamin C is found?
- Oranges and Guava
- Lemons
- Citrus fruits and Vegetables
- All of these
In which of the following Vitamin D is found?
- Milk
- Cold liver oil
- Sunlight
- All of these
In which of the following Vitamin K is found?
- Fresh fruits
- Vegetables
- Both A and B
- None
Serve deficiency of Vitamin A results in?
- Beriberi
- Scurvy
- Night Blindness
- Rickets
Serve deficiency of Vitamin B complex results in?
- Night Blindness
- Rickets
- Beriberi
- Scurvy
Which type of vitamin strengthens the immune system and prevents from a disease called scurry?
- Vitamin A
- Vitamin B
- Vitamin C
- Vitamin D
Serve deficiency of Vitamin C results in?
- Scurvy
- Rickets
- Beriberi
- Night Blindness
Which disease is caused due to the deficiency of vitamin D that causes bones to become soft and weak?
- Beriberi
- Rickets
- Night Blindness
- Scurvy
Which type of vitamin increases or assists the production of platelets that clot the blood?
- Vitamin K
- Vitamin B
- Vitamin D
- Vitamin C
Which disease is caused by deficiency of Iron?
- Berberi
- Anaemia
- Rickets
- Scurvy
Anaemia is caused due to the deficiency of?
- Calcium
- Copper
- Iron
- Magnesium
Which mineral is the present in milk, cheese, egg, dark green vegetables, small fish and its bones etc etc?
- Sodium
- Calcium
- Iron
- Magnesium
Which mineral is essential for building bones and teeth, muscle functioning and blood clotting?
- Calcium
- Magnesium
- Iron
- Sodium
Which disease is caused by deficiency of Calcium?
- Anaemia
- Beriberi
- Rickets
- Scurvy
Which mineral is present in whole wheat, bananas, prunes, oysters, grains and legumes?
- Copper
- Magnesium
- Sodium
- Iron
Which mineral builds red blood cells and it is also involved in the building of bones?
- Magnesium
- Sodium
- Copper
- Iodine
Which disease is/are caused by deficiency of Copper?
- Anaemia
- Kidney problems
- Starvation
- All of these
Which mineral is the present in nuts, seeds, dried figs, dried apricots, almond seed, corn, vegetables and fruits etc?
- Magnesium
- Copper
- Iodine
- Sodium
Which mineral plays a role in developing bones and in metabolic processes?
- Sodium
- Iodine
- Magnesium
- Copper
Which disease is/are caused by deficiency of Magnesium?
- Painful joints
- Osteoporosis
- Memory loss
- Diabetes
- All of these
Which mineral’s deficiency can cause painful joints, osteoporosis, memory loss and diabetes?
- Magnesium
- Calcium
- Sodium
- Iodine
Which mineral is the present in meats, eggs, table salt, fruits and vegetables?
- Sodium
- Iodine
- Calcium
- Magnesium
Which mineral plays an important role in the distribution of water in the body?
- Calcium
- Magnesium
- Iodine
- Sodium
Which disease is/are caused by deficiency of Sodium?
- Painful joints and Osteoporosis
- Imbalances in fluid volume in the vessels and tissues
- Memory loss and diabetes
- All of these
Imbalances in fluid volume in the vessels and tissues is caused by due to the deficiency of?
- Sodium
- Iodine
- Calcium
- Magnesium
Which mineral is the present in meat, onion, eggs, iodized salt and seafood?
- Calcium
- Iodine
- Magnesium
- Copper
Which mineral is involved in formation of a hormone that is required to produce energy?
- Copper
- Magnesium
- Calcium
- Iodine
Mental retardation in children is mainly caused by the deficiency of?
- Iodine
- Sodium
- Calcium
- Magnesium
A diet which contains all the food groups in proper amount is called?
- Vegetarian Diet
- Vegan Diet
- Junk Food Diet
- Balance Diet
A healthy child 7-14 years of age, required approximately __ gram of protein per kilogram of body weight.
- 1
- 2
- 3
- 4
Marasmus disease is caused due to serve deficiency of?
- Vitamins
- Proteins
- Carbohydrates
- None
Which disease affects infants and young children?
- Scurry
- Marasmus
- Rickets
- Osteoporosis
Weight loss of children is due to?
- Marasmus
- Rickets
- Scurvy
- Osteoporosis
Kwashiorkor disease is caused by deficiency of?
- Protein
- Vitamin
- Mineral
- None
Which of the following is/are the symptoms of kwashiorkor disease?
- Fatigue
- Diarrhoea
- Irritability
- Impairment of mental health and stunted growth
- All of these
Keeping oneself clean is called?
- Sanitation
- Hygiene
- Cleanliness
- Grooming
The natural world that surrounds a living and non-living things is called?
- Ecosystem
- Environment
- Habitat
- Biodiversity
Animals, plants, human beings and microorganisms etc is/are an examples of?
- Living Components
- Biotic Factors
- Both A and B
- Abiotic Factors
Air, water, sun, land, rocks and light etc is/are an examples of?
- Non-Living Components
- Abiotic Factors
- Biotic Factors
- Both A and B
Desert, grassland, forest, highland, valley, urban, rural is/are an examples of?
- Water Environments
- Land Environments
- Both A and B
- None
Lake, sea, wetland, river, ocean, pond is/are an examples of?
- Water Environments
- Land Environments
- Both A and B
- None
Which is not a type of environment?
- Garden
- Pond
- Storeroom
- None
If a plants have needle like leaves to which environment would they belong?
- Desert
- Grassland
- Forest
- None
The camel has a special water storage space in its?
- Stomach
- Hump
- Liver
- None
Animals in grassland environment have broad feet for fast?
- Escape
- Swimming
- Climbing
- None
On the bases of food type, animals can be classified into how many kinds?
- 1
- 2
- 3
- 4
Herbivores that eat only?
- Plants
- Animals
- Both A and B
- None
Animals that eat only plants are known as?
- Carnivores
- Omnivores
- Herbivores
- None
Carnivores that eat only?
- Animals
- Plants
- Both A and B
- None
Animals that eat only animals are called?
- Carnivores
- Herbivores
- Omnivores
- None
Omnivores that eat only?
- Only plants
- Only animals
- Both A and B
- None
Animals that eat both plants and animals are known as?
- Omnivores
- Herbivores
- Carnivores
- None
The relationship of eating and being eaten is called?
- Food Web
- Food Chain
- Ecosystem
- None
Which of these are not found in the food web?
- Air
- Sun
- Human
- None
In the absence of sunlight, the entire food chain would become?
- Active and Thrive
- Unaffected and Stable
- Slow but Survive
- Inactive and Collapse
Animal that eat the producers (plants) are called?
- Primary Consumers
- Secondary Consumers
- Tertiary Consumers
- None
Which of the following are primary consumers that eat plants and plant products?
- Lions and Wolves
- Sheep and Birds
- Hawks and Snakes
- Bears and Humans
Rabbit feed on seeds and leaves that’s why it is called as?
- Omnivore
- Herbivore
- Carnivore
- None
Animal that eat the primary consumers are called?
- Tertiary Consumers
- Secondary Consumers
- Primary Consumers
- None
Which are the secondary consumers and eat primary consumers (birds and mouse)?
- Herbivores
- Carnivores
- Omnivores
- None
Which is a secondary consumer that eats birds/mouse (primary consumers)?
- Cat
- Goat
- Peacock
- None
Which of the following animal is secondary consumer?
- Dog
- Cat
- Cow
- Both A and B
Animal that eat the primary and secondary consumers are called?
- Tertiary Consumer
- Primary Consumer
- Secondary Consumer
- None
Which are consumers that eat both producers and consumers?
- Omnivores
- Herbivores
- Carnivores
- None
Which could be secondary and tertiary consumers?
- Omnivores
- Herbivores
- Carnivores
- None
In which group would you place human beings?
- Herbivores
- Carnivores
- Omnivores
- None
What is the correct order of the levels in a food chain?
- Producer → Consumer → Decomposer
- Consumer → Producer → Decomposer
- Decomposer → Producer → Consumer
- Consumer → Decomposer → Producer
Which best describes the frog?
- Consumer
- Producer
- Decomposer
- None
Which living thing would decrease, if the number of frogs increased?
- Hawks
- Snakes
- Plants
- None
Organisms that eat all the dead and waste products of producers and consumers are called?
- Producers
- Consumers
- Decomposers
- None
What is the key role of decomposers?
- Break down living plants
- Break down dead animals
- Provide food for animals
- None
Which one of the following animal is a decomposer?
- Mould
- Wolf
- Bird
- Cat
Anything that occupies space and has mass is called?
- Mass
- Force
- Volume
- Matter
The amount of space a material object occupies is called its?
- Volume
- Matter
- Mass
- Force
How many states of matters are there?
- 1
- 2
- 3
- 4
State of matter that has fixed shape and fixed volume is called?
- Solid
- Liquid
- Gas
- None
State of matter that hast fixed volume but not fixed shape is called?
- Solid
- Gas
- Liquid
- None
State of matter that has no fixed shape and no fixed volume is called?
- Liquid
- Solid
- Gas
- None
Which take the shape and volume of a container they are placed in?
- Liquids
- Gases
- Solids
- None
Solids, liquids and gases mix together to form?
- Mixture
- Compound
- Element
- Solution
Which take the shape of a container they are placed in?
- Liquids
- Solids
- Both A and B
- None
Solution is a kind of?
- Mixture
- Element
- Compound
- None
Matter can change from one form into another by?
- Heating
- Cooling
- Both A and B
- None
Solid can be converted into liquid by?
- Heating
- Cooling
- Both A and B
- None
Liquid can be converted into gas by?
- Cooling
- Heating
- Both A and B
- None
Gas can be converted into liquid by?
- Cooling
- Heating
- Both A and B
- None
Liquid can be converted into solid by?
- Heating
- Cooling
- Both A and B
- None
Which dissolves in water to form salt and water mixture?
- Gas
- Liquid
- Solid
- None
Which of the following floats on water to form sawdust and water mixture?
- Solid
- Liquid
- Gas
- None
Which of the following remains suspended to form sand and water mixture?
- Gas
- Plasma
- Liquid
- Solid
Water is a?
- Compound
- Mixture
- Solution
- Element
The process of transferring a liquid without disturbing the solid particles is called?
- Filtration
- Decantation
- Sedimentation
- Centrifugation
The process of separation of an insoluble solid from a liquid by passing it through filter paper is called?
- Filtration
- Decantation
- Sedimentation
- Centrifugation
The process of separation of solute and solvent from the mixture is called?
- Decantation
- Sedimentation
- Filtration
- Centrifugation
What happens when you put sand, salt and sawdust in glass of water?
- Salt has dissolved in water
- Sand sank to the bottom
- Sawdust floated on the top
- All of these
The measurement of the hotness of an object is called?
- Humidity
- Temperature
- Speed
- Force
Heat is a form of?
- Matter
- Work
- Radiation
- Energy
The properties used for heat?
- Hot, Energy, Cold
- Color, Smell, Sound
- , Heavy, Light, Hard
- Circle, Square, Point
Heat is measured in?
- Joule
- Mole
- Density
- None
The SI unit of energy is?
- Kelvin
- Joule
- Temperature
- Mole
With the increase in temperature, heat will be?
- Increase
- Decrease
- Remain constant
- None
A thermometer is made up of a glass tube which is filled with?
- Water
- Air
- Mercury
- Alcohol
How many scales are there to measure temperature?
- 1
- 2
- 3
- 4
In Fahrenheit scale the freezing point of water is _ and boiling point of water is:
- 32°F, 212°F
- 212°F, 32°F
- 35°F, 210°F
- 210°F, 35°F
How many divisions does Fahrenheit have?
- 150
- 160
- 170
- 180
What is the range of a clinical thermometer on the Fahrenheit scale?
- 0°F to 100°F
- 95°F to 108°F
- 32°F to 212°F
- 50°F to 150°F
In the Centigrade scale, the freezing point of water is _ and the boiling point of water is :
- 0°C, 50°C
- 10°C, 100°C
- 0°C, 100°C
- 5°C, 90°C
The freezing point of water on a centigrade scale is?
- 0°C
- 1°C
- -1°C
- 5°C
The boiling point of water on a centigrade scale is?
- 80°C
- 90°C
- 100°C
- 10°C
The instrument used to measure temperature is called the?
- Barometer
- Hygrometer
- Thermometer
- Spectrometer
Laboratory Thermometer has a range of?
- -20°C to 50°C
- 0°C to 100°C
- 10°C to 110°C
- 50°C to 200°C
Clinical Thermometer has a range of?
- 35°C to 42°C
- 20°C to 50°C
- 30°C to 60°C
- 50°C to 70°C
The average internal temperature of human body is?
- 42°C
- 37°C
- 98°C
- 35°C
Which of the following liquids is used in the clinical thermometer?
- Water
- Alcohol
- Mercury
- Oxygen
A force is a ____ or a _______ that causes movement.
- Pull, Twist
- Push, Pull
- Push, Lift
- Twist, Turn
A force can change all of the following of an object except?
- Direction
- Mass
- Size
- Speed
You should not do one of the following while handling a clinical thermometer?
- Wash it before use
- Run
- Stay at one place
- Place it in cover after use
The lowest temperature in laboratory thermometer is?
- 10°C
- 0°C
- 100°C
- -10°C
Speed of any object can be changed by?
- Time
- Force
- Distance
- Mass
Lever, pulley, wedge, wheel, inclined plane and screw is/are an examples of?
- Simple Machine
- Compound Machine
- Both A and B
- None
A___is a stiff bar that rests on a support called a fulcrum which lifts or move loads.
- Pulley
- Wedge
- Screw
- Lever
Which simple machines is used in raising the flag?
- Scissors
- Pliers
- Pulley
- Wheels
A __ is an object with at least one slanting side ending in a sharp edge, which cuts material apart.
- Pulley
- Inclined Plane
- Lever
- Wedge
A ____ with a rod, called an axle, through its center lifts or moves loads.
- Wheel
- Pulley
- Lever
- Inclined Plane
An __ is a slanting surface connecting a lower level to a higher level.
- Lever
- Pulley
- Inclined Plane
- Screw
Which simple machine would stairs be an example of?
- Pulley
- Inclined Plane
- Lever
- Wheel
A ___ is an inclined plane wrapped around a cylinder, used to fasten objects.
- Screw
- Lever
- Pulley
- Wheel
Which type of machine is a bicycle and crane?
- Compound Machine
- Simple Machine
- Both A and B
- None
Which of the following is an example of compound machine?
- Scissors
- Pliers
- Pulley
- None
The matter that sound travels through is called the?
- Frequency
- Medium
- Amplitude
- Vibration
Sounds travel faster through solids than:
- Liquid
- Gases
- Solids
- Both A and B
Noise intensity is measured in:
- Decibels (dB)
- Hertz (Hz)
- Watts (W)
- Meters (m)
Material from which current passes through are called?
- Insulators
- Conductors
- Semiconductors
- None
A material through which heat energy can flow easily is called?
- Thermal Conductor
- Thermal Insulator
- Both A and B
- None
The materials through which electricity cannot pass are called?
- Conductors
- Insulators
- Semiconductors
- None
When the wire is connected and bulb is lit, this is called?
- Open Circuit
- Close Circuit
- Short Circuit
- Series Circuit
When the wire is disconnected and the bulb is off, this is called?
- Open Circuit
- Close Circuit
- Short Circuit
- Series Circuit
A/an ___ provides a complete path for the current to flow through:
- Open Circuit
- Closed Circuit
- Series Circuit
- Short Circuit
A/an __ provides an incomplete path for the current to flow through.
- Open Circuit
- Closed Circuit
- Series Circuit
- Short Circuit
Which of the following can not be used to complete the circuit?
- Bulb
- Wire
- Battery
- Wood
Which of the following will be attracted to the magnet?
- An iron kettle
- A rubber ball
- A copper plate
- An elastic band
The orbit of the Earth is an elongated circle is called?
- Ellipse
- Parabola
- Hyperbola
- Oval
What is caused by the rotation of the Earth?
- Seasons
- Day and Night
- Tides
- Earthquakes
The earth rotates on its axis. It completes one rotation in?
- 36 hours
- 24 hours
- 12 hours
- 48 hours
The period in which earth has completes a day is?
- Solar day
- Lunar day
- Sidereal day
- Terrestrial day
The Earth’s axis is an imaginary:
- Square
- Line
- Circle
- Dot
What is caused by the revolution of the Earth around the Sun?
- Day and Night
- Summer and Winter
- Tides
- Earthquakes
____, days become shorter and nights become longer.
- Summer
- Spring
- Autumn
- Winter
____, days become longer and night become shorter.
- Autumn
- Summer
- Winter
- Spring
In that the half of the Earth which is facing the sun, there is?
- Day
- Night
- Winter
- Both A and B
In that the half of the Earth which is facing away from sun, there is?
- Day
- Winter
- Night
- Summer
The Earth is rotating constantly and in __ direction.
- South
- North
- East
- Same
The Earth takes ___ to revolve around the sun.
- 365 days and 4 hours
- 365 days and 6 hours
- 365 days and 8 hours
- 365 days and 10 hours
The Earth is tilted at an angel of?
- 23.50°
- 23.0°
- 23.08°
- 24.30°
Which planet takes 4332 days to complete one revolution?
- Earth
- Mars
- Jupiter
- Mercury
A magnet that is hard to magnetize is called a(n)?
- Permanent magnet
- Temporary Magnet
- Electromagnet
- None
In Fahrenheit scale the boiling point of water is:
The deficiency of Vitamin A causes?
- 208°F
- 210°F
- 212°F
- 214°F
- Scurvy
- Night Blindness
- Rickets
- Beriberi
In Fahrenheit scale the freezing point of water is:
- 30°F
- 32°F
- 34°F
- 100°
Deficiency of Iodine causes:
- Imbalances in fluid volume in the vessels and tissues
- Goiter
- Tetnas
- Cancer
Serve deficiency of Vitamin D results in?
- Beriberi
- Night Blindness
- Scurvy
- Ric
Read More: General Science MCQs for all classes and competitive exams test preparation.