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Top 200 Biology Questions in English 2023 | Biology Questions and Answers PDF

➡️➡️ Top 1000 GK Question in English For all Exam

Biology Questions in English
Top 200 Biology Questions

Top 200 Biology Questions with Answers in English 2023

Who is known as the father of zoology ?

Answer :- Aristotle

Deficiency of which hormone causes ‘Diabetes’?

Answer :- Insulin

Excess of which element in our body increases the chances of a heart attack ?

Answer :- Cholesterol

Which part of the human body is affected by TB?

Answer :- Lungs answer

Aids disease is Caused by which virus?

Answer :- HIV

Name the water-soluble vitamins ?

Answer :- Vitamin B and Vitamin C

Night blindness is Caused by a deficiency of Which Vitamin?

Answer :- Vitamin A

Which pollutant is responsible for Minamata disease?

Answer :- Mercury

In which year, India was declared a Polio free country?

Answer :- 2014

India was declared a polio-free country in 2014 on the 27th of March by WHO (World Health Organisation).

Which mosquito causes Malaria Disease in Humans?

Answer :- Female Anopheles mosquito

Which part of the body is affected by malaria?

Answer :- Liver

The image formed by Which Mirror is Usually real and inverted ?

Answer :- Concave Mirror

Name the scientist who discovered Neutron ?

Answer :- Chadwick

Optical Fibre mainly used in communication is based on which Principal ?

Answer :- Total internal Reflection

In the human body where formation of RBC take place?

Answer :- Bone Marrow

What is the name of the voice box of Human?

Answer :- Larynx

What is the name of the voice box of Bird?

Answer :- Syrinx

The Colour of the Eye depends upon the pigment present in _____?

Answer :- Iris

In biology study of the blood vascular system or circulatory system is called?

Answer :- Angiology

Which organ is called a digestive bag in the cell?

Answer :- Lysosome

Which tissue in a human where no cell division occurs after birth?

Answer :- Nerve tissue or neuron tissue.

Name the largest gland in the human body?

Answer :- Liver

Enzymes are basically Made up of?

Answer :- Proteins.

What is the dental formula of Humans?

Answer :- 2123

Name the scientist who coined the word ” cell “?

Answer :- Robert Hooke

what is a plant that grows in Sunlight called ?

Answer :- Heliophyte

Name the scientist who was given the double Standard Structure of DNA?

Answer :- Watson and Crick

Which part of the cell is called the powerhouse of the cell?

Answer :- Mitochondria

By which bond are the Two strands of DNA Joined together ?

Answer :- Hydrogen bond

The Colour of cow Milk is slightly yellow due to Presence of Which Element ?

Answer :- Carotene

Whi is the Hardest part of the human body.

Answer :- Tooth Enamel.

What is the branch of science that deals with the study of teeth called?

Answer :- Odontology.

what is the normal blood pressure of a healthy person?

Answer :- 120/80 mmHg

The study of blood is called as ?

Answer :- Hematology

Blood does not coagulate inside the body or in a blood vessel due to the presence of Which Element?

Answer :- Heparin

Blood pressure is measured by which instrument?

Answer :- Sphygmomanometer

What is the other name of Red Blood Corpuscles (RBC)?

Answer :- Erythrocytes

What is the other name of White Blood Corpuscles (WBC)?

Answer :- Leucocytes

What is the other name of Blood platelets?

Answer :- Thrmobocytes

Which Group of blood is called a universal recipient?

Answer :- Blood Group AB

Which type of cells is most abundant in the human body ?

Answer :- Red Blood Cells (RBC)

Which instrument is used to count the number of RBCs?

Answer :- Haemocytometer.

Oxygen is transported in the human body by _____?

Answer :- Blood

What is the other name of Blood Cancer?

Answer ;- Leukaemia

Rh-factor is related to which animal?

Answer :- Monkey

what is the pH value of human blood?

Answer :- 7.35 to 7.45

Which metal is present in Human blood?

Answer :- Iron (Fe)

Which blood cells help to fight infection and diseases?

Answer :- WBC (White blood cell)

The only part of the Human body where no blood is found is ?

Answer :- Cornea (eye)

What is the effect on RBC as we go to high Altitudes?

Answer :- Number of RBCs Is increases

What is called as “graveyard of RBC” ?

Answer :- Spleen

Which organ is called as “blood bank of the human body”?

Answer :- Spleen

What is the life Span of RBC?

Answer :- 120 days

Which protein helps in blood clotting?

Answer :- Fibrinogen

What is the Name of the three types of blood Corpuscles?

Answer :- Red Blood Corpuscles (RBC), White Blood Corpuscles (WBC), and Blood Platelets.

What is blood?

Answer :- Blood is a fluid connective tissue

The liquid part of blood is called?

Answer :- Plasma

What is the Colour of blood plasma?

Answer :- Yellow

Additional Information – The color of the blood plasma is yellow due to the presence of the pigment bilirubin.

In an adult person where RBC is produced?

Answer :- Bone Marrow.

Which vitamin helps in blood clotting?

Answer :- Vitamin K

Who discovered the blood group of Human Blood?

Answer :- Karl Landsteiner

The filtering of blood through an artificial kidney is called as?

Answer :- Dialysis.

Rh factor was initially found in?

Answer :- Rhesus monkey

Name the scientist who discovered blood circulation in human?

Answer :- William Harvey

Which diseases is caused by a deficiency of hemoglobin?

Answer :- Anaemia

Which diseases is caused by excess of Hemoglobin?

Answer :- Polycythemia

What is life span of WBC (White Blood Cells)?

Answer :- 5 to 20 days

What is the life span of Blood Platelets?

Answer :- 3 to 5 days

In human body where is pituitary gland located?

Answer :- Brain

How many bones present in human Ear?

Answer :- 6

How many types of teeth present in human body?

Answer :- 4 type of teeth in human Incisors, Canines , Premolars , Molars

Which gland controls the blood pressure in our body ?

Answer :- Adrenal gland

How many temporary teeth in human body?

Answer :- 20

Which gland in human body is both exocrine and endocrine gland?

Answer :- Pancreas

Yellow colour of Human urine is due to presence of which pigment?

Answer :- Urochrome

How many ribs present in human body?

Answer :- 24. (12 Pair)

Our bones and teeth are generally made of which Substance ?

Answer :- Tricalcium phosphate

What is the name of male sex hormone?

Answer :- Testosterone

Which Disease is caused by deficiency of Iodine ?

Answer :- Goitre

Name the pigment which gives colour to skin?

Answer :- Melanin

How many bones are present in new born baby?

answer :- 300 bones

What is the SI unit for measuring intensity of sound or noise?

Answer :- Decibel

Which type of mirror used in automobiles to see the traffic on the rear side?

Answer :- Convex Mirror

What is the SI unit of electrical resistance?

Answer :- Ohm

At what temprature, the numerical values on Celsius and Fahrenheit scales becomes equal?

Answer :- -40°C

What is the major constituent Substance of Gobar gas?

Answer :- Methane

Which endocrine gland is also known master gland?

Answer :- Pituitary gland

What is the Functional unit of kidney ?

Answer :- Nephron

What is the number of chromosomes in a normal human body cell ?

Answer :- 46 Chromosomes (23 Pairs)

As a result of digestion in our body protein gets converted into ?

Answer :- Amino Acid

Which is the richest source of “Vitamin A” ?

Answer :- Carrot

Which vitamin do we get from the Sunlight?

Answer :- Vitamin D

What is the study of flowers called ?

Answer :- Anthology

Which part of our brain is responsible for controlling the balance of our body ?

Answer :- Cerebellum

Which gland secretes sex hormones in the human body?

Answer :- adrenal gland

By which instrument is the growth of stems measured?

Answer :- oxymeter

Which metal is present in chlorophyll?

Answer :- Magnesium

Due to the deficiency of which element black hut disease occurs in potato ?

Answer :- Oxygen

Which is called the ” suicide bag of the cell” ?

Answer :- Lysosome

Sex hormones are secreted by which gland in the human body?

Answer :- Adrenal gland

What controls the amount of light entering our eyes?

Answwr :- Iris

Which is the busiest organ of the human body ?

Answer :- Heart


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