General Science forms an essential part of many competitive exams in India, including those conducted by the Odisha Sub-ordinate Staff Selection Commission (OSSSC) for various positions like Revenue Inspector (RI), Assistant Revenue Inspector (ARI), Amin, SFS, and ICDS Supervisor. To excel in these exams, candidates must have a strong grasp of fundamental scientific concepts. Here, we present the top 30 General Science multiple-choice questions (MCQs) to help candidates prepare effectively.
Top 30 General Science MCQS For OSSSC RI,ARI, Amin, SFS, ICDS Supervisor
- Which syndrome is caused by the presence of all or part of a third copy of chromosome 21?
[A] Turner syndrome
[B] Down syndrome
[C] Klinefelter syndrome
[D] Cri du chat syndrome
Correct Answer: B [Down syndrome]
Notes: Down’s syndrome, also known as trisomy 21, is a genetic disorder caused by the presence of all or part of a third copy of chromosome 21. - Which spice is derived from the aromatic dried flower buds of a tree?
[A] Black pepper
[B] Clove
[C] Cumin
[D] Cardamom
Correct Answer: B [Clove]
Notes: Cloves are aromatic dried flower buds of a tree, primarily harvested in Indonesia, Madagascar, Zanzibar, Pakistan, and Sri Lanka. - Which vitamin is known as the “antisterility vitamin”?
[A] Vitamin A
[B] Vitamin D
[C] Vitamin E
[D] Vitamin K
Correct Answer: C [Vitamin E]
Notes: Vitamin E is called the antisterility vitamin and is a fat-soluble vitamin found naturally in some foods. - Which infectious disease is caused by a virus and affects the salivary glands?
[A] Measles
[B] Rubella
[C] Mumps
[D] Chickenpox
Correct Answer: C [Mumps]
Notes: Mumps is a viral infection that affects the salivary glands and is easily preventable by vaccination. - Which vitamin is essential for blood clotting?
[A] Vitamin A
[B] Vitamin D
[C] Vitamin E
[D] Vitamin K
Correct Answer: D [Vitamin K]
Notes: Vitamin K is essential for blood clotting and is found in foods like green leafy vegetables and dairy products. - Which of the following diseases is caused by bacteria?
[A] Influenza
[B] Tuberculosis
[C] AIDS
[D] Hepatitis A
Correct Answer: B [Tuberculosis]
Notes: Tuberculosis is caused by the bacteria Mycobacterium tuberculosis. - Which organ in the human body produces insulin?
[A] Liver
[B] Pancreas
[C] Kidney
[D] Spleen
Correct Answer: B [Pancreas]
Notes: Insulin, a hormone that regulates blood sugar levels, is produced by the pancreas. - Which of the following is NOT a primary color in the subtractive color model?
[A] Red
[B] Green
[C] Blue
[D] Yellow
Correct Answer: D [Yellow]
Notes: In the subtractive color model, the primary colors are cyan, magenta, and yellow. - Which vitamin is commonly found in nuts, mangoes, papayas, and oily fish?
[A] Vitamin B1
[B] Vitamin C
[C] Vitamin D
[D] Vitamin A
Correct Answer: D [Vitamin A]
Notes: Vitamin A, also known as retinol, is commonly found in nuts, mangoes, papayas, tomatoes, leafy greens, oily fish, apricots, etc. Deficiency symptoms include dry skin and trouble seeing in the dark. - What is the scientific name for Vitamin B1?
[A] Riboflavin
[B] Thiamine
[C] Niacin
[D] Pantothenic acid
Correct Answer: B [Thiamine]
Notes: Vitamin B1 is scientifically known as thiamine and is commonly found in corn, cashews, milk, dates, fresh fruits, peas, beans, etc. Deficiency symptoms include weakness and problems moving around. - Which vitamin deficiency can lead to hair loss and feeling tired?
[A] Vitamin B3
[B] Vitamin B6
[C] Vitamin B2
[D] Vitamin B9
Correct Answer: C [Vitamin B2]
Notes: Vitamin B2, also known as riboflavin, can lead to hair loss and feeling tired if deficient. It is commonly found in cheese, yogurt, spinach, red meat, almonds, etc. - Which vitamin is found in leafy greens, citrus fruits, and beans?
[A] Vitamin B12
[B] Vitamin B9
[C] Vitamin C
[D] Vitamin E
Correct Answer: B [Vitamin B9]
Notes: Vitamin B9, also known as folic acid, is found in leafy greens, citrus fruits, beans, beetroot, etc. Deficiency symptoms include weakness, constant tiredness, and nerve problems. - What deficiency symptom is associated with Vitamin C?
[A] Hair loss
[B] Fatigue
[C] Muscle pain
[D] Skin roughness
Correct Answer: D [Skin roughness]
Notes: Vitamin C, also known as ascorbic acid, deficiency symptoms include skin roughness, loss of appetite, and delayed wound healing. It is found in citrus fruits, goat milk, chestnuts, broccoli, grapefruit, etc. - Which vitamin is commonly found in cod liver oil and egg yolk?
[A] Vitamin D
[B] Vitamin E
[C] Vitamin K
[D] Vitamin A
Correct Answer: A [Vitamin D]
Notes: Vitamin D, also known as calciferol, is commonly found in cod liver oil, beef, chicken, cereals, egg yolk, etc. Deficiency symptoms include digestive problems and difficulty eating certain foods. - Which vitamin deficiency leads to problems with bone health and growth?
[A] Vitamin C
[B] Vitamin D
[C] Vitamin K
[D] Vitamin B12
Correct Answer: C [Vitamin K]
Notes: Vitamin K, also known as phytonadione, deficiency symptoms include weak bones and retarded growth. It is commonly found in mangoes, lamb, beef, grapes, tomatoes, etc. - Which vitamin deficiency can result in feeling tired and experiencing dizziness?
[A] Vitamin B6
[B] Vitamin B12
[C] Vitamin B5
[D] Vitamin B3
Correct Answer: B [Vitamin B12]
Notes: Vitamin B12 deficiency can lead to fatigue and dizziness. It is commonly found in poultry, eggs, fish, milk, etc. - What is the common name for Vitamin A?
[A] Retinol
[B] Thiamine
[C] Riboflavin
[D] Niacin
Correct Answer: A [Retinol]
Note: Vitamin A, also known as retinol, is commonly found in nuts, mangoes, papayas, tomatoes, leafy greens, oily fish, apricots, etc. Deficiency symptoms include dry skin and trouble seeing in the dark. - Which vitamin is sourced from broccoli, sweet potatoes, mushrooms, and beans?
[A] Vitamin B5
[B] Vitamin B6
[C] Vitamin B7
[D] Vitamin B9
Correct Answer: A [Vitamin B5]
Note: Vitamin B5, also known as pantothenic acid, is sourced from foods like broccoli, sweet potatoes, mushrooms, beans, etc. Deficiency symptoms include headache, fatigue, irritability, and gastrointestinal issues. - Which vitamin deficiency can result in hair thinning, brittle nails, and itchy skin?
[A] Vitamin B7
[B] Vitamin B12
[C] Vitamin E
[D] Vitamin D
Correct Answer: A [Vitamin B7]
Note: Vitamin B7, also known as biotin, deficiency symptoms include thinning hair, brittle nails, and itchy skin. It is found in avocado, sweet potato, nuts, seeds, eggs, fish, etc. - Which vitamin deficiency can lead to muscle pain, impaired nerve function, and trouble seeing?
[A] Vitamin B9
[B] Vitamin E
[C] Vitamin C
[D] Vitamin B6
Correct Answer: B [Vitamin E]
Note: Vitamin E, also known as tocopherol, deficiency symptoms include muscle pain, impaired nerve function, and trouble seeing. It is found in pumpkin, mangoes, guava, potatoes, nuts, seeds, etc. - Which vitamin deficiency can cause fatigue and dizziness?
[A] Vitamin B12
[B] Vitamin B1
[C] Vitamin B3
[D] Vitamin B6
Correct Answer: A [Vitamin B12]
Note: Vitamin B12 deficiency can lead to fatigue and dizziness. It is commonly found in poultry, eggs, fish, milk, etc. - Which vitamin’s scientific name is Pyridoxine?
[A] Vitamin B1
[B] Vitamin B6
[C] Vitamin B12
[D] Vitamin C
Correct Answer: B [Vitamin B6]
Note: Pyridoxine is the scientific name for Vitamin B6. - What is the scientific name for Vitamin B9?
[A] Thiamine
[B] Folic Acid
[C] Pantothenic Acid
[D] Biotin
Correct Answer: B [Folic Acid]
Note: Vitamin B9 is scientifically known as Folic Acid. - Which vitamin’s scientific name is Tocopherol?
[A] Vitamin B5
[B] Vitamin B7
[C] Vitamin E
[D] Vitamin K
Correct Answer: C [Vitamin E]
Note: Tocopherol is the scientific name for Vitamin E. - What is the scientific name for Vitamin D?
[A] Retinol
[B] Calciferol
[C] Ascorbic Acid
[D] Phytonadione
Correct Answer: B [Calciferol]
Note: Vitamin D is scientifically known as Calciferol. - Which vitamin’s scientific name is Ascorbic Acid?
[A] Vitamin B2
[B] Vitamin C
[C] Vitamin B12
[D] Vitamin K
Correct Answer: B [Vitamin C]
Note: Ascorbic Acid is the scientific name for Vitamin C. - What is the scientific name for Vitamin B1?
[A] Riboflavin
[B] Pyridoxine
[C] Thiamine
[D] Niacin
Correct Answer: C [Thiamine]
Note: Vitamin B1 is scientifically known as Thiamine. - Which vitamin’s scientific name is Cobalamin?
[A] Vitamin B12
[B] Vitamin B3
[C] Vitamin B9
[D] Vitamin D
Correct Answer: A [Vitamin B12]
Note: Cobalamin is the scientific name for Vitamin B12. - What is the scientific name for Vitamin B5?
[A] Pantothenic Acid
[B] Biotin
[C] Pyridoxine
[D] Folic Acid
Correct Answer: A [Pantothenic Acid]
Note: Vitamin B5 is scientifically known as Pantothenic Acid. - Which vitamin’s scientific name is Phytonadione?
[A] Vitamin A
[B] Vitamin K
[C] Vitamin B6
[D] Vitamin ECorrect Answer: B [Vitamin K]
Note: Phytonadione is the scientific name for Vitamin K.
