Explore topic-wise MCQs in Biology.

This section includes 344 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.

151.

What is the effect of overseretion of harmone from pituitary gland

A. Increase growth in lenght
B. Unbalanced development of body
C. Body became curve
D. None of the above
Answer» B. Unbalanced development of body
152.

Function of hemoglobin is

A. To transport oxygen
B. Destruction of bacteria
C. To check the loss of blood
D. None of the above
Answer» B. Destruction of bacteria
153.

Smallest bone of human body is

A. Nails
B. Fibula
C. Bone of nose
D. Stapes
Answer» E.
154.

What is the name of the vessel that delivers the nutrient rich blood from the stomach and small intestine to the liver?

A. Left hepatic artery
B. Hepatic vein
C. Right hepatic artery
D. Hepatic portal vein
Answer» E.
155.

A man whose blood group is not known meet with a serious accident and needs blood transfusion immediately. Which one of the blood group mentioned below and readily available in the hospital will be safe for transfusion

A. O, Rh
B. O, Rh
C. AB, Rh
D. AB, Rh
Answer» C. AB, Rh
156.

Main function of kidney is

A. Passive absorption
B. Ultrafiltration
C. Selective reabsorption
D. Both b and c
Answer» C. Selective reabsorption
157.

Growth harmone is secreted form

A. Thyroid
B. Adrenal
C. Gonads
D. Pituitary
Answer» E.
158.

which of the following is the largest digestive gland in humans?

A. Spleen
B. Liver
C. Pancreas
D. Hepato-Pancreas
Answer» E.
159.

End product of Anaerobic repiration

A. CO
B. and Water
C. Fumeric acid
D. Lactic acid
E. Pyruvic acid
Answer» D. Lactic acid
160.

Urea is formed in liver cell from

A. Ammonia and nitrogen
B. Ammonia and carbondioxide
C. Ammonia, Carbondioxide and aspartic acid
D. Ammonia and carbon monoxide
Answer» C. Ammonia, Carbondioxide and aspartic acid
161.

Loop of henely is related with

A. Excretory system
B. Reproductive system
C. Urinogenital system
D. Nervous system
Answer» B. Reproductive system
162.

Most Important gland of human body is

A. Thyroid
B. Pituitary
C. Pancreas
D. Liver
Answer» C. Pancreas
163.

Invention of blood group is done by

A. Landsteiner
B. Levine
C. Weniear
D. Landsteiner and Weiner
Answer» B. Levine
164.

Number of bone found inskull

A. 8
B. 30
C. 32
D. 34
Answer» B. 30
165.

Which one of following is a duct less gland

A. Liver
B. Sweat gland
C. Endocrine gland
D. Kidney
Answer» D. Kidney
166.

Amocentesis is techniques use

A. To determine the sex of foetus
B. To test of amino acid
C. To test brain
D. None of the above
Answer» B. To test of amino acid
167.

In uterus embryo get their nutrition through a structure called

A. Fallopian tube
B. Placenta
C. Uterus
D. None of these
Answer» C. Uterus
168.

Which one of following is smallest gland of body

A. Liver
B. Thyroid
C. Pituitary
D. Slivary gland
Answer» D. Slivary gland
169.

Complete oxidation of sucrose in pressence of oxygen into CO2 water and energy is called

A. Aerobic respiration
B. Anaerobic respiration
C. Glycolysis
D. Hydrolysis
Answer» B. Anaerobic respiration
170.

Centre of reglex action

A. Cerebrum
B. Cerebellum
C. Spinal cord
D. Nerve cell
Answer» D. Nerve cell
171.

In human embryo in uterus float into a fluid called

A. Amniotic fluid
B. Chrionic fluid
C. Placental fluid
D. None of these
Answer» B. Chrionic fluid
172.

Blood transfusion is not possible from

A. AB to O
B. O to AB
C. O to B
D. O to A
Answer» B. O to AB
173.

Secretion from endocrine gland is called

A. Juice
B. Enzyme
C. Harmone
D. Solution
Answer» D. Solution
174.

A vast proportion of our body's weight in made up of

A. bones
B. water
C. organs
D. skin tissue
Answer» C. organs
175.

How many pair of never airses from vertebral column

A. 12 pair
B. 13 pair
C. 31 pair
D. 33 pair
Answer» D. 33 pair
176.

Red blood corpuscles is also known as

A. Erythrocytes
B. Leucocytes
C. Thrombocytes
D. Esinophils
Answer» B. Leucocytes
177.

Most of the digestion occur in which part of alimentory canal of man

A. Pancreas
B. Small intestine
C. Large intestine
D. Stomach
Answer» C. Large intestine
178.

Function of heart in human body

A. Work like pumping machines
B. To release energy
C. To increase temperature
D. None of the above
Answer» B. To release energy
179.

Digestion started in man from

A. Rectum
B. Stomach
C. Mouth
D. Intestine
Answer» D. Intestine
180.

Longest bone found in which part of human body?

A. Vertebral column
B. Thigh
C. Rib cage
D. Arm
Answer» C. Rib cage
181.

Digestion of starch in mouth takes place by

A. Amylase
B. Ptyline
C. Pepsin
D. Lipase
Answer» C. Pepsin
182.

Which of the following is nucessary for digestion of food ?

A. Air
B. Water
C. Enzyme
D. Mineral
Answer» D. Mineral
183.

Thyroid gland is activated by which harmonic for the secretion of thyroxin

A. TSH
B. FSH
C. LTN
D. ACTH
Answer» B. FSH
184.

Main function of Bile

A. To convert fat into fatty acid and glycerol
B. To convert fatty acid into fat and glycerol
C. Emulsification of fat
D. All of the above
Answer» B. To convert fatty acid into fat and glycerol
185.

Which of the following salt is found in bone in largest amount

A. Calcium phosphate
B. Sodium chloride
C. Ferric nitrate
D. Magnesium carbonate
Answer» B. Sodium chloride
186.

Which of the following is not a gland

A. Thyroid
B. Gastrine
C. Liver
D. Pancrease
Answer» C. Liver
187.

The element found in bone and teeth

A. Potassium and calcium
B. Calcium and Magnesium
C. Calcium and phosphorus
D. Phosphorus and sulpher
Answer» D. Phosphorus and sulpher
188.

Fusion of two gametes called

A. Fertilization
B. Development
C. Regeneration
D. Pollination
Answer» B. Development
189.

In test tube baby

A. Fertilization of ova and development takes place in test tube.
B. Fertilization of ova takes place in test tube which development of embryo occur in uterus.
C. Fertilization takes place in uterus while development takes place in test tube.
D. Development of ova take place in test tube without fertilization.
Answer» C. Fertilization takes place in uterus while development takes place in test tube.
190.

The smallest structural and functional unit of nervous system is

A. Centron
B. Dendron
C. Axon
D. Neuron
Answer» E.
191.

Systolic and diastolic pressure in a healthy man is

A. 120 mm and 80 mm
B. 201 mm and 110 mm
C. 90 mm and 60 mm
D. 85 mm and 55 mm
Answer» B. 201 mm and 110 mm
192.

Fully nature human RBC has

A. A nucleus
B. No nucleus
C. Nucleus may or may not be present
D. None of the above
Answer» C. Nucleus may or may not be present
193.

Pineal gland is situated in

A. Liver
B. Brain
C. Kidney
D. Uterus
Answer» C. Kidney
194.

Which of the following is formed during Kerb's cycle?

A. lactic acid
B. Pyruvic acid
C. Glucose and ATP
D. Fumaric acid
Answer» E.
195.

Deamination is the process in which

A. Poisonous urea is removed from the blood and it occur in kidneys.
B. Amino acids are absorbed from digested food and it occurs in intestinal villi.
C. Amino acids are broken down to produce urea and it occur in liver.
D. Amino acids are synthesised and it occur is ribosomes.
Answer» D. Amino acids are synthesised and it occur is ribosomes.
196.

Dialysis

A. Lung
B. Heart
C. Liver
D. Kidney
Answer» E.
197.

Which of the following blood group is

A. B
B. O
C. A
D. AB
Answer» C. A
198.

Arteries

A. Carotid arteries
B. Hepatic arteries
C. Coronary arteries
D. Pulmonary arteries
Answer» D. Pulmonary arteries
199.

Glucose level

A. mm of Hg
B. Miligram per decilitre
C. Parts per million
D. Gram (mg / dl) per litre
Answer» C. Parts per million
200.

In which of the following organ

A. Intestine
B. Stomach
C. Liver
D. Pancrease
Answer» D. Pancrease