50+ Basic Gk MCQs About Biology

What is Biology?

The branch of science which study the life is called Biology.

The word ‘biology’ was first coined by Jean-Baptiste Lamarck and Gottfried Reinhold Treviranus in the year 1802. Biology has 2 branches:

1. Botany
2. Zoology

a. The scientific study of different species of plants is known as Botany.

b. The scientific study of different species of animals is known as Zoology.

Here are 50+ Basic Gk MCQs about Biology

Q.1 Which mammal uses ultrasonic sounds to catch animal?

A) Dog

B) Cat

C) Snake

D) Bat

Answer: D) Bat

Q.2 Which vitamin helps in clotting of blood?

A) Vitamin A

B) Vitamin K

C) Vitamin D

D) Vitamin B

Answer: B) Vitamin K

Q.3 Which gland in humans regulates the body temperature?

A) Hypothalamus

B) Pituitary Gland

C) Thyroid

D) Endocrine Gland

Answer: A) Hypothalamus

Q.4 Human bones and teeth are made of what?

A) Fluoropetite

B) Tricalcium Phosphate

C) Chlorapatite

D) Hydrolith

Answer: B) Tricalcium Phosphate

Q.5 Angora wool is extracted from which animal?

A) Goat

B) Sheep

C) Fox

D) Rabbit

Answer: D) Rabbit

Q.6 Which wood will become useless soon after keeping in the open air?

A) Soft Wood

B) Wet Wood

C) Fibrous Wood

D) Hard Wood

Answer: B) Wet Wood

Q.7 Which disease is caused by a virus?

A) Malaria

B) Whooping Cough

C) Polio

D) Ring Worm

Answer: C) Polio

Q.8 Which of the following is known as vitamin B1?

A) Retinol

B) Thiamine

C) Riboflavin

D) Ascorbic Acid

Answer: B) Thiamine

Q.9 The Clove is obtained from which part of the plant?

A) Seed

B) Steam

C) Root

D) Flower Bud

Answer: D) Flower Bud

Q.10 Which of the following is known a body builder?

A) Protein

B) Carbohydrates

C) Vitamins

D) Fats

Answer: A) Protein

Q.11 Which tests helps to identify cancer?

A) Urine Test

B) Blood Test

C) Biopsy

D) X-ray

Answer: C) Biopsy

Q.12 Chromosomes are made up of what?

A) DNA

B) Protein

C) DNA & Protein

D) RNA

Answer: C) DNA & Protein

Q.13 Toxicology is the study of?

A) Virus

B) Bacteria

C) Disease

D) Poisons

Answer: D) Poisons

Q.14 In human body, Vitamin A is stored in?

A) Heart

B) Liver

C) Lungs

D) Kidney

Answer: B) Liver

Q.15 Who first discovered vitamin A?

A) James Watson

B) Ronald Ross

C) Elmer Mc. Collum

D) Karl Landsteiner

Answer: C) Elmer Mc. Collum

Q.16 Which of the following is a skin disease?

A) Rickets

B) Osteocalcin

C) Anaemia

D) Pellagra

Answer: D) Pellagra

Q.17 The large amount of sugar present in human blood is?

A) Sucrose

B) Glucose

C) Fructose

D) Lactose

Answer: B) Glucose

Q.18 Which of the following is a viral disease?

A) Mumps

B) Plague

C) Cholera

D) Syphilis

Answer: A) Mumps

Q.19 Which is made of calcium carbonate?

A) Fish Scales

B) Shark Teeth

C) Oyster Shell

D) Whale Bones

Answer: C) Oyster Shell

Also Read |

50 Gk MCQs About Botany: https://testyourgk.in/50-gk-mcqs-about-botany/

Q.20 Which is the largest living bird on Earth?

A) Emu

B) Ostrich

C) Albatross

D) Siberian Crane

Answer: B) Ostrich

Q.21 Blood pressure is measured by which instrument?

A) Barometer

B) Sphygmomanometer

C) Hydrometer

D) Thermometer

Answer: B) Sphygmomanometer

Q.22 Growth of the baby in the uterus is found using?

A) X-Rays

B) Gamma Rays

C) Ultra Sound

D) Ultraviolet Rays

Answer: C) Ultra Sound

Q.23 Which animal is Respir from skin?

A) Cockroach

B) Frog

C) Shark

D) Whale

Answer: B) Frog

Q.24 Which plant is called ‘Herbal Indian Doctor’?

A) Amla

B) Mango

C) Neem

D) Tulsi

Answer: A) Amla

Q.25 Bee Keeping is known as?

A) Sericulture

B) Apiculture

C) Aquaculture

D) Agriculture

Answer: B) Apiculture

Q.26 Beriberi disease is caused with the deficiency of which vitamin?

A) Vitamin B1

B) Vitamin B2

C) Vitamin B3

D) Vitamin B4

Answer: A) Vitamin B1

Q.27 What is the full form of DNA?

A) Diribo Nucleic Acid

B) Di Nucleic Acid

C) Dual Nitrogen Acid

D) Deoxyribonucleic Acid

Answer: D) Deoxyribonucleic Acid

Q.28 Which of the following is not an antibiotic?

A) Penicillin

B) Ampicillin

C) Streptomycin

D) Aspirin

Answer: D) Aspirin

Q.29 Scientific study of birds is known as?

A) Limnology

B) Herpetology

C) Malacology

D) Ornithology

Answer: D) Ornithology

Q.30 Which one of the following is a non-poisonous snake?

A) Cobra

B) Black Mamba

C) King Cobra

D) Python

Answer: D) Python

Also Read |

50 Gk MCQs About Human Diseases: https://testyourgk.in/50-gk-mcqs-about-human-diseases-biology/

Q.31 Which part of the body is associated with the rickets disorder?

A) Heart

B) Bones

C) Eyes

D) Skin

Answer: B) Bones

Q.32 Which disease is caused by parasite?

A) Plague

B) Goiter

C) Malaria

D) Pneumonia

Answer: C) Malaria

Q.33 The study of Fungi is called?

A) Morphology

B) Virology

C) Kalology

D) Mycology

Answer: D) Mycology

Q.34 What is the botanical name of Mango?

A) Cocos Nucifera

B) Mangifera Indica

C) Monoon Logifolium

D) Casuarina

Answer: B) Mangifera Indica

Q.35 Which popular kitchen ingredient is called the sugar eating fungus?

A) Baking Powder

B) Yeast

C) Vinegar

D) Ketchup

Answer: B) Yeast

Q.36 The vertebrae are the parts of which body system?

A) Lungs

B) Spinal Cod

C) Kidney

D) Heart

Answer: B) Spinal Cod

Q.37 Which is the water transporting tissue in the plants?

A) Stele

B) Xylem

C) Phloem

D) Cortex

Answer: B) Xylem

Q.38 Spider webs are made up of which natural fiber?

A) Fur

B) Silk

C) Wool

D) Hair

Answer: B) Silk

Q.39 Kala-Azar disease is caused by?

A) Fungi

B) Bacteria

C) Protozoa

D) Virus

Answer: C) Protozoa

Q.40 Which body part of the human being is stretched like rubber sheet?

A) Eardrum

B) Tongue

C) Nostril

D) Eye lenses

Answer: A) Eardrum

Q.41 Which instrument measures the pressure inside the eyes of a person?

A) Tonometer

B) Viscometer

C) Odometer

D) Machmeter

Answer: A) Tonometer

Q.42 Who discovers the blood circulation?

A) Charles Darwin

B) David Baltimore

C) William Harvey

D) Rosalind Franklin

Answer: C) William Harvey

Q.43 The innermost part of flower is called?

A) Stamen

B) Petal

C) Pistil

D) Sepal

Answer: C) Pistil

Q.44 Which of the following is known as Pond Silk?

A) Ulothrix

B) Spirogyra

C) Rhizopus

D) Yeast

Answer: B) Spirogyra

Q.45 Which is the strongest natural fiber?

A) Cotton

B) Jute

C) Wool

D) Silk

Answer: D) Silk

Q.46 Which part of brain control emotional reactions in human body?

A) Hypothalamus

B) Cerebrum

C) Meninges

D) Thalamus

Answer: A) Hypothalamus

Q.47 Who discovered bacteria?

A) Robert Hook

B) Karl Landsteiner

C) Robert Koch

D) Anton Von Leeuwenhoek

Answer: D) Anton Von Leeuwenhoek

Q.48 Plant have how many types of tissues?

A) 3

B) 2

C) 5

D) 6

Answer: A) 3

Q.49 What is the normal body temperature of human beings?

A) 96.4° C

B) 97.4° F

C) 98.4° F

D) 100° F

Answer: C) 98.4° F

Q.50 Which is the longest bone of human body?

A) Ulna

B) Humerus

C) Femur

D) Tibia

Answer: C) Femur

Q.51 The disease sleeping sickness is caused by?

A) Sand Fly

B) House Fly

C) Fruit Fly

D) Tsetse Fly

Answer: D) Tsetse Fly

Q.52 Which is the smallest flowering plant in the world?

A) Wolffia

B) Lemma

C) Azolla

D) Ficus

Answer: A) Wolffia

Q.53 What is the weight of adult human brain?

A) 1200 gram

B) 1300 gram

C) 1600 gram

D) 1500 gram

Answer: B) 1300 gram

Q.54 Yellow fever is transmitted by?

A) Aedes Mosquito

B) Anopheles

C) House Fly

D) Culex

Answer: A) Aedes Mosquito

Q.55 Which animal is called Farmers friend?

A) Ant

B) Snake

C) Earthworm

D) Bee

Answer: C) Earthworm

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