Biology Gk Questions are important for all Competitive Exams such as SSC Railway, UPSC, PSC, and All state-level Exams. On this page, we are Providing the Most important Biology question which already Asked in many Exams. candidates can check Biology General Knowledge Questions and practice daily to get a good score in the Exam.

Biology Questions in English for competitive exams
Question: Which of the following substances act as fuel in the human body?
(A) Protein
(B) Vitamin
(C) Carbohydrate
(D) Water
(C) Carbohydrate
Question: The capsules cover is made by –
(A) Protein
(B) Egg peel
(C) Cellulose
(D) Starch
(D) Starch
Question: The major component of honey is-
(A) glucose
(B) Sucrose
(C) Maltose
(D) Fructose
Question: Which of the following sugars provide immediate energy?
(A) lactose
(B) Cellulose
(C) Maltose
(D) glucose
(D) glucose
Question: Which of the following gives the athlete more energy quickly?
(A) fat
(B) Vitamin
(C) Protein
(D) Carbohydrate
(D) Carbohydrate
Question: How many amino acids are required to make protein?
(A) 10
(C) 20
(B) 15
(D) 25
(C) 20
Question: What makes tissues in the body?
(A) Protein
(C) Carbohydrate
(B) fat
(D) Vitamin
(A) Protein
Question: What is an enzyme basically?
(A) Carbohydrate
(C) lipids
(B) Protein
(D) amino acids
(B) Protein
Question: In accelerating the process of chemical reaction in biological systems responsible substance is-
(A) Bacteria
(C) enzyme
(B) D.N.A.
(D) Protein
(C) enzyme
Question: The percentage of protein in soybean is-
(A) 42%
(C) 60%
(B) 50%
(D) 80%
(A) 42%
Question: Which does not contain protein?
(A) Meat
(B) Milk
(C) Rice
(D) Pulses
(C) Rice
Question: Which of the following is the largest source of protein?
(A)
(C) Peas
(B) Gram
(D) Soybean
(D) Soybean
Question: Where is the fat stored in the human body-
(A) oozing skin
(B) Adipose tissue
(C) liver
(D) in epithelium
(B) Adipose tissue
Question: Which of the following food gives the most energy per gram
(A) Protein
(C) Carbohydrate
(B) fat
(D) Vitamin
(C) Carbohydrate
Question: Who has propounded the word ‘vitamin’?
(A) Darwin
(C) Funk
(B) Pasteur
(D) Landeck
(C) Funk
Question: Which of the following is called defensive material?
(A) Vitamin
(C) Carbohydrate
(B) Protein
(D) fat
(A) Vitamin
Question: Carrot is a rich source of which vitamin?
(A) Vitamin A
(C) Vitamin D
(B) Vitamin C
(D) Vitamin E
(A) Vitamin A
Question: Vitamin A is stored in the human body at-
(A) liver
(C) spleen
(D) abdominal
(B) In the stomach
(A) liver
.Question:The chemical name of Vitamin E is-
(A) Retinol
(C) Pyridoxine
(B) Riboflavin
(D) Tocopherol
(D) Tocopherol
Question: The blood clot in the human body is made up of which vitamin?
(A) Vitamin K
(C) Vitamin E
(B) Vitamin D
(D) Vitamin C
(A) Vitamin K
Question: Which of the following is present in the teeth?
(A) Protein
(C) Carbohydrate
(B) calcium
(D) Minerals
(B) calcium
Question: Which of the following minerals is most needed to control heartbeat?
(A) Sodium
(B) Sulfur
(C) Potassium
(D) Iron
(C) Potassium
Question: Seaweeds are the main source of
(A) Iron
(B) Chlorine
(C) Bromine
(D) Iodine
(D) Iodine
Question: What is the average percentage of oxygen in the human body?
(A) 25%
(C) 40%
(B) 30%
(D) 65%
(D) 65%
biology gk questions and answers
Question: What is found in spinach leaves?
(A) Vitamin
(C) Carbohydrate
(B) Iron
(D) fat
(B) Iron
Question: Which is rich in iron?
(B) eggs
(D) Milk
(A) Orange
(C) Green Vegetables
(C) Green Vegetables
Question: Anemia is caused due to deficiency of-
(A) Iodine
(C) Iron
(B) calcium
(D) Zinc
(C) Iron
Question: Which body part is affected by typhoid?
(A) Pancreas
(B) stomach
(D) brain
(C) intestine
(C) intestine
Question: The protozoa responsible for dysentery is-
(A) Entamoeba
(C) Photographic
(B) Amoeba
(D) Trypanosoma
(A) Entamoeba
Question:What causes cholera?
(A) Bacteria
(C) fungus
(B) Virus
(D) Algae
(A) Bacteria
Question: ELISA test is done to check which of the following?
(A) Gonorrhea
(C) tuberculosis
(B) Diabetes
(D) AIDS
(D) AIDS
Question: Which of the following causes tooth loss?
(A) Zinc
(C) Fluorine
(B) Iron
(D) copper
(C) Fluorine
Question: Which image device is used to detect kidney stones?
(A) Tomography
(C) Ultrasound
(B) CT scan
(D) C.A.T. Scan
(B) CT scan
Question: poisoning of which heavy metals cause liver cirrhosis
Does it
(A) Copper
(B) lead
(C) Mercury
(D) Zinc
(A) Copper
Question: Inadequate supply of blood in the human body is called-
(A) Ischemia
(C) Hemostats
(B) Hyperemia
(D) Hemorrhage
(A) Ischemia
Question: Typhoid is produced by-
(A) Pseudomonas species
(B) Staphylococcus species
(C) Bacillus Species
(D) Salmonella Ty phi
(D) by Salmonella Typhi
Question: B. C. G. Immunization use for
(A) For measles
(C) Diphiria
(B) For T. B.
(D) For leprosy
(B) For T. B.
Question: Which of the following diseases is not caused by water?
(B) Typhoid
(D) Amebiasis
(A) Flu
(C) Cholera
(A) Flu
Question: Pneumonia disease affects which part of the human body?
(A) intestine
(B) bone mass
(D) Lunga
(C) liver
(D) Lunga
Question: Which of the following is not soluble in fat?
(A) Vitamin A
(C) Vitamin E
(B) Vitamin B
(D) Vitamin K
(B) Vitamin B
Question: Which of the following decreases in anemia?
(A) Hemoglobin
(C) Hyoglobin
(B) Riboflavin
(D) Carotene
(A) Hemoglobin
Question: Deficiency of which vitamin is the main cause of night blindness?
(A) Vitamin A
(C) Vitamin C
(B) Vitamin B,
(D) Vitamin D
(A) Vitamin A
Question:Whose scientific name is Thiamine?
(A) Vitamin C
(C) Vitamin B1
(B) Vitamin A
(D) Vitamin D
Question: The best source of Vitamin C is-
(A) Apple
(B) Mango
(C) Amla
(D) Milk
Question: The chemical name of Vitamin C is-
(A) citric acid
(C) Oxalic acid
(B) ascorbic acid
(D) Nitric acid
(B) ascorbic acid
Question: Bleeding of gums is caused due to deficiency of which vitamin?
(A) Vitamin A
(C) Vitamin C
(B) Vitamin B
(D) Vitamin D
(C) Vitamin C
Question: Which vitamin is found in abundance in fish liver oil?
(B) Vitamin C
(D) Vitamin E
(A) Vitamin A
(C) Vitamin D
(C) Vitamin D