Biology Questions for All Competitive Exam

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

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

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