Goitre is caused by the lack of iodine in the diet. The thyroid gland at the neck region becomes swollen, and there is reduced production of chemical, called:
A)
Thyroxine
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B)
Insulin
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C)
Ofloxacine
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D)
All of these
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E)
None of these
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Ground water is the source of:
A)
Fresh water
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B)
Salt water
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C)
Acidic water
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D)
All of these
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E)
None of these
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John: Honey is known as viscous liquid and water is said to be liquid. Jenny: Water is known as viscous liquid and honey is liquid. Who is correct?
A)
John
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B)
Jenny
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C)
Both are correct
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D)
Both are incorrect
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E)
None of these
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The food produced by plants by the process of photosynthesis is in the form of a sugar called_______.
A)
Cellulose
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B)
Starch
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C)
Glucose
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D)
All of these
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E)
None of these
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Name the elements whose atoms are present in a molecule of iron sulphide (FeS).
A)
Iron and Sodium
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B)
Iron and Silicon
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C)
Iron and Sulphur
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D)
Iron and Oxygen
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E)
None of these
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Tomatoes, cucumbers, lettuce and watermelon contain a lot of________.
A)
Protein
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B)
Fats
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C)
Water
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D)
All of these
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E)
None of these
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A car is running at the speed of 60 km/hour. How much time will it take to cover the distance of 1000 km?
A)
16 hours 10 minutes
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B)
16 hours 20 minutes
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C)
16 hours 50 minutes
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D)
16 hours 40 minutes
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E)
None of these
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Which one of the following components of food cannot be digested by our body?
A)
Carbohydrates
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B)
Fats
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C)
Roughage
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D)
Proteins
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E)
None of these
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The pores present on the leaves through which exchange of respiratory gases takes place, is known as:
A)
Stomata
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B)
Guard cells
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C)
Lenticel
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D)
All of these
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E)
None of these
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When a rock is placed in a glass of water, the displaced volume of water is proportional to which one of the following property of stone?
A)
Volume
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B)
Temperature
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C)
Weight
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D)
All of these
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E)
None of these
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The maximum displacement of a vibrating object from its mean position is called:
A)
Oscillation
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B)
Frequency
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C)
Time period
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D)
Amplitude
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E)
None of these
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The white fur of an arctic fox blends in the snow. This type of adaptation is called:
A)
Chemograph
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B)
Camouflage
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C)
Vertebrate
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D)
All of these
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E)
None of these
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Nylon and polyesters are synthetic fibres. The most part of raw materials for nylon and polyethylene comes from__.
A)
Silkworm
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B)
Jute
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C)
Petroleum
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D)
All of these
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E)
None of these
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The plants of watermelon which grow on land and develop along the land have been kept in which one of the following groups?
A)
Creepers
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B)
Climbers
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C)
Shrubs
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D)
Herbs
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E)
None of these
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Which one of the following equipments has been made to utilize the heating effect of electric current?
A)
A dry cell
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B)
An electric bulb
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C)
An electric fan
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D)
Transistor
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E)
None of these
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A sugar-water solution is prepared by dissolving sugar in water. Here sugar is known as________.
A)
Solute
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B)
Solvent
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C)
Solution
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D)
All of these
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E)
None of these
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Leesha: A pure compound has fixed melting and boiling point. Lousie: A pure compound does not have fixed melting and boiling point. Who is correct?
A)
Leesha
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B)
Lousie
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C)
Both are correct
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D)
Both are incorrect
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E)
None of these
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Name the process given below.
A)
Distillation of water
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B)
Evaporation of water
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C)
Osmosis process
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D)
All of these
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E)
None of these
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In which one of the following states of matter, the space between molecules of a substance is least?
A)
Solid
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B)
Liquid
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C)
Gas
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D)
All of these
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E)
None of these
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Green plants cannot perform the process of photosynthesis at the night, because:
A)
Carbon dioxide is not available in the night.
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B)
Oxygen is not available in the night.
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C)
Sunlight is not available in the night.
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D)
All of these
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E)
None of these
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Arrange the following organisms according to their average life-span in ascending order: Mouse, Bristlecone pine, Human being, Bacteria, Housefly, Tortoise, Dog.
A)
Bacteria < Housefly < Mouse < Dog < Human being < Tortoise < Bristle cone pine
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B)
Bacteria < Mouse < Housefly < Dog < Bristlecone pine < Human being < Tortoise
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C)
Tortoise < Mouse < Bacteria < Housefly < Dog < Bristlecone pine < Human being
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D)
Bristlecone pine < Mouse < Bacteria < Housefly < Dog < Bristlecone pine < Human being
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E)
None of these
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If temperature of a place is\[-32{}^\circ \,\,C\], in which one of the following states of water will be there at that place?
A)
Solid
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B)
Liquid
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C)
Gas
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D)
All of these
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E)
None of these
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Rita took a small amount of cooked food and added 2-3 drops of diluted iodine solution into it. The food turns bluish black in colour because it contained________.
A)
Protein
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B)
Minerals
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C)
Starch
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D)
All of these
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E)
None of these
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Which one of the following types of joints of the human body is shown in the picture below?
A)
Pivot joint
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B)
Ball and shoket
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C)
Hinge joint
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D)
All of these
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E)
None of these
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Which one of the following joints allows the movement of bones in only one direction?
A)
Hinge joint
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B)
Ball and socket joint
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C)
Fixed joint
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D)
All of these
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E)
None of these
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Simran wears cotton clothes and Sameer wears synthetic clothes in summer season. Whose clothes is more comfortable?
A)
Simran and Sameer
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B)
Sameer
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C)
Simran
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D)
All of these
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E)
None of these
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Which one of the following organism lives in rainforest habitats?
A)
Monkey
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B)
Snakes
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C)
Tiger
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D)
All of these
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E)
None of these
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The part of garbage which is not decomposed by microorganisms, called:
A)
Biodegradable waste
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B)
Non - biodegradable waste
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C)
Biotic waste
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D)
All of these
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E)
None of these
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Scale to draw a map is taken as, 1 cm = 10 km. What is the distance between the city A and D, if the given map is divided into number of square and AB, CD are the diagonal of the respected square, wherein side length of each square is 1 cm?
A)
60 km 800m
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B)
90 km 500m
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C)
58 km 434m
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D)
62 km 430m
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E)
None of these
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Some of the rules are adopted to write the symbol of units. Which one of the following is correct while writing symbols of unit?
A)
Symbols are always written in small letters.
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B)
Symbols are not written in plural.
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C)
Symbols are always written in capital letters.
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D)
All of these
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E)
None of these
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Sam found an animal and made the following observation:
1. The animal has white body.
2. The animal feeds only on plants.
The animal is_______.
A)
Herbivorous
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B)
Carnivorous
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C)
Omnivorous
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D)
All of these
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E)
None of these
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Read the following statements : Statement 1: You light a matchstick and burn a piece of paper. It turns to ash. This is known as chemical change. Statement 2: Ash can be reversed into paper. This is known as physical change. Which one of the following is correct with respect to the above statements?
A)
Statement 1 is true and 2 is false
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B)
Statement 1 is false and 2 is true
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C)
Both statements are true
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D)
Both statements are false
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E)
None of these
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Which one of the following processes in the human body needs the presence of water?
A)
Digestion
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B)
Transport of nutrients
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C)
Excretion
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D)
All of these
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E)
None of these
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When the light from a pointed source is blocked, a completely dark shadow is formed. Name the type of the shadow.
A)
Penumbra
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B)
Umbra
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C)
Eclipses
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D)
All of these
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E)
None of these
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Ashraf's mother throws peels of potatoes in her garden. After few days the peels turns to black in colour and smells bad. This process is called:
A)
Recycling
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B)
Decomposition
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C)
Combination
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D)
Oxidation
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E)
None of these
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Which one of the following types of phenomena is shown in the picture below?
A)
Soil erosion
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B)
Water cycle
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C)
Precipitation
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D)
All of these
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E)
None of these
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A cylindrical pot is filled with a liquid and a rectangular pot is empty. Which one of the following properties of liquid will be changed if we pour the same liquid into the empty pot?
A)
Odor
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B)
Colour
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C)
Shape
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D)
Volume
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E)
None of these
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The given is the graph of rate of melting of ice: If the melting of ice continues at current rate, how much mass of ice will be melt in 50 minutes?
A)
100 kg
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B)
230 kg
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C)
340 kg
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D)
500 kg
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E)
None of these
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Match the following :
1. Vitamin A (A) Keeps gums and skin healthy and helps to heal the cuts. 2. Vitamin \[{{\text{B}}_{\text{1}}}\] (B) Make bones and teeth strong and healthy 3. Vitamin C (C) Keep eyes and skin healthy and helps to fight infection 4. Vitamin D (D) Keeps muscles, brain and nerves healthy and helps in making red blood cells.
A)
1 - C, 2 - D, 3 - A, 4 - B
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B)
1 - A, 2 - B, 3 - C, 4 - D
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C)
1 - A, 2 - D, 3 - C, 4 - B
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D)
1 - D, 2 - A, 3 - C, 4 - B
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E)
None of these
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The common salt dissolved in water can be separated by which one of the following methods of separation?
A)
Filtration
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B)
Evaporation
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C)
Decantation
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D)
Loading
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E)
None of these
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