Biology bits for competitive exams-2022

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Biology bits for competitive exams-2022

These are essential biology general knowledge questions for all competitive exams.

Here you will find really important biology gk questions and answers for any competitive exams.

Prepare for competitive exams by practising with these well selected Biology General Knowledge Questions.

These questions are applicable to any competitive test, including IAS, Bank PO, SSC CGL, RAS, CDS, UPSC, and all state-related exams.

1– Which of the following elements, in addition to carbon, hydrogen, nitrogen, and oxygen, is found in certain amino acids?

A. Phosphorus

B. Zinc

C. Calcium

D. Sulphur

2– The vitamin, which is extremely vulnerable and readily damaged during cooking and storage, is

A. Vitamin A

B. Vitamin b6

C. vitamin C

D. vitamin K

3- The most abundant source of vitamin D is

A. Cod liver oil

B. Spinach

C. Milk

D. Cheese

4- Which vitamin does sunlight offer to the body?

A. A vitamin

B vitamin B

C- Vitamin C.

D Vitamin D.

5- Which of the following plant proteins is thought to be as good as animal protein?

A. Protein derived from soybeans

B. protein derived from corn

C. Protein derived from wheat

D. Protein from Bengal Gram

Biology bits for competitive exams

6- Foot and mouth illness has been discovered in

A. Dogs and cats

B. Cattle

C. Poultry

D. Humans

7-Which of the following diseases is induced by a furious dog’s bite?

A. Hydrocele

B. Hydrophobia

C. Hydrocephatus

D. Hydroperitoneum

8-. Which of the following is a type of enzyme?

A. Glucagon

B. Insulin

C. Somatotropin

D. Trypsin

9-Which of the following pitcher plant parts is transformed into a pitcher?

A. Stem

B. leaf

C. stipule

D. petiole

10-. Skin is a respiratory organ in which of the following animals?

A. Cockroach

B. Frog

C. shark

D. Whale

Biology bits for competitive exams

11- What is the pH of a normal person’s blood?

A. 4.0 – 4.5

B. 6.45 – 65.5

C. 7.35 – 7.45

D. 8.25 – 8.35

12-Which of the following is not referred to as the voice box?

(A) Trachea

(B) pharynx

(C) epiglottis

(D) Larynx

13-Cutting and peeling onions causes tears to well up in the eyes due to the presence of

(A) the presence of sulphur in the cell

(B) the amount of carbon in the cell

(C) cellular fat

(D) cellular aminoacid

14-Which of the following is not a component of the small intestine?

(A) Caecum

(B) Duodenum

(C) Jejunum

(D) Ileum

15- Cartilage in the body is

(A) muscle tissue

(B) a kind of epithelial tissue

(C) a type of connective tissue

A germinal tissue (D)

Biology bits for competitive exams

16-. How do the majority of insects breathe?

A. via the skin

B. through the gills

C. because of lungs

D. Through the trachea system

17-Which of the following is NOT a function of the liver?

A. Lipase

B. Urea

C. Mucus

D. The acid hydrochloric

18- What acid is created when milk ferments?

A. The acetic acid

B. The acid tartaric

C. Lactic acid

D. Butyric acid

19-Which nutrients are most vulnerable to food processing and storage?

A. Carbohydrates

B. Fats

C. Proteins

D. Vitamins

20- Mushrooms are classified as which of the following organisms?

A. Algae

B. Ferns

C. Fungi

D. Lichens

Biology bits for competitive exams

  1. Which of the following plants produces seeds but no flowers?

A. The cashew nut

B. Coffee

C. Nutmeg powder

D. Pine

22-Which of the following diseases is hereditary?

A. Leukaemia

B. Color deficiency

C. Malignancy

D. Hepatitis

23- Which of the following vitamins is synthesised by intestinal bacteria in the body?

A. B1 vitamin

B. B4 vitamin

C. D vitamin

D. K-vitamin

24- It has been found that astronauts lose a significant amount of calcium through urine while in space. This is because


(B) microgravity

(C) consumption of dehydrated food tablet

(D) low temperature in the universe

25-A muscle’s contractile proteins are

(A) Actin and Myosin

(B) Actin and Tropomyosin

(C) Troponin and Myosin

(D) Troponin and Tropomyosin

Biology bits for competitive exams


1- Sulphur

2-Vitamin C

3-Cod liver oil

4-Vitamin D

5-Soyabean protein

6- Cattle




10- Frog

Biology bits for competitive exams

11- 7.35 – 7.45


13-sulfur in the cell


15- a connective tissue

Biology bits for competitive exams

16-by trachea system


18-Lactic acid



21-Ground nut

22-Colour blindness

23-vitamin K

24- microgravity

25-Actin and Myosin

Biology bits for competitive exams

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