Statewise Prepration
Govt. Examwise MCQ
974 MCQ Questions in english हिन्दी
Study of fungi is called:
Mycology
. Total number of chromosomes in human body cells is:
Humans have 23 pairs of chromosomes = 46 in total.
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Light-sensitive layer of the eye is:
The retina contains photoreceptor cells (rods and cones).
The pigment responsible for the green color of plants is:
Chlorophyll absorbs light for photosynthesis and reflects green.
Which organ helps detoxify harmful substances in the body?
The liver breaks down toxins and drugs in the bloodstream.
. Which organisms fix nitrogen in the soil?
Rhizobium bacteria live in root nodules of legumes and fix atmospheric nitrogen.
The malaria parasite is transmitted by:
Female Anopheles mosquitoes transmit Plasmodium during blood meals.
Which disease is caused by the deficiency of iodine?
Iodine deficiency leads to thyroid gland enlargement, known as goitre.
The largest organ in the human body is:
Skin covers and protects the body, making it the largest organ by surface area.
Which IP class is used for multicasting?
Class D IP: 224.0.0.0 to 239.255.255.255
If x = 3, find the value of x² + 2x
Explanation: 3² + 2×3 = 9 + 6 = 15
Which part of the plant absorbs water and minerals from the soil?
Roots contain tiny hairs that absorb water and nutrients.
Which device is used to detect earthquakes?
Seismographs record the intensity and duration of tremors.
Which method is used to separate salt from seawater?
Distillation separates salt and water based on boiling points.
What is the function of red blood cells (RBCs)?
RBCs contain hemoglobin that binds oxygen.
Which hormone is known as the ‘stress hormone’?
Adrenaline increases heart rate and energy during stress.
Which acid is present in vinegar?
Acetic acid gives vinegar its sour taste and smell.
Which gland is called the “master gland”?
The pituitary gland controls many other endocrine glands.
The process by which plants lose water is called:
Transpiration occurs mainly through leaf stomata.
Which blood cell fights infections?
White blood cells are the defense soldiers of the body.
The chemical name of baking soda is:
Used in cooking and antacids.
Which metal is used to make aircraft bodies?
Aluminum is light, strong, and corrosion-resistant.
Which type of lens is used in a magnifying glass?
A convex lens converges light and magnifies objects.
Speed of light in vacuum is approximately:
The speed of light is ~3 × 10⁸ m/s.
Which color of light has the highest energy?
Violet has the shortest wavelength and highest frequency.
Which instrument is used to measure atmospheric pressure?
A barometer measures air pressure in units like mmHg or hPa.
Which region of Maharashtra is affected most by salinity intrusion?
Konkan’s coastal aquifers experience saltwater intrusion due to over-extraction.
Which lake in Solapur is known for bird migration?
Hipparga Lake is a seasonal site for migratory birds and local biodiversity.
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