NDA Human Physiology questions with solutions
Blood, circulation, digestion, excretion, nervous and endocrine systems. 62 questions from our 2016–2025 NDA pattern papers, from the Class 11 Biology syllabus. Each has the answer and a full solution.
NDA 2025
- Blood is carried from the heart to the lungs for oxygenation by the
- In an adult human, red blood cells are produced mainly in the
- Thyroxine hormone requires iodine for its synthesis. 2. Deficiency of insulin causes goitre.
- Which hormone prepares the body to face an emergency situation (the fight or flight response)?
NDA 2024
- The universal donor blood group in the ABO and Rh system is
- Which blood vessel carries oxygenated blood to the heart?
- Which endocrine gland is called the 'master gland' of the body?
- Hormones: 1. Adrenaline prepares the body to face an emergency. 2. Thyroxine, which regulates metabolism, needs iodine for its synthesis.
- The structural and functional unit of the human kidney is the
- The number of bones in the skeleton of a normal adult human being is
- Muscle cramps after heavy exercise are caused by the accumulation of
NDA 2023
- Blood cells mainly defends the body against infection?
- The enzyme in gastric juice that begins the digestion of proteins is
- Thyroxine contains iodine. 2. Deficiency of iodine in the diet causes goitre.
- The hormone that prepares the body for emergency situations by increasing the heart rate is
- The Krebs cycle in a eukaryotic cell takes place in the
NDA 2022
- Insulin is secreted by the pancreas. 2. Insulin lowers the level of glucose in the blood.
- All arteries in the human body carry oxygenated blood. 2. The pulmonary vein carries oxygenated blood to the heart.
- The pigment responsible for the colour of human skin is
- The hormone that prepares the body for a fight-or-flight response is
- Gametes in humans are formed by the type of cell division called
- The deficiency of iodine in the diet causes goitre because iodine is required for the synthesis of
- The number of bones in the adult human body is
NDA 2021
- Blood groups: 1. A person with blood group O is considered a universal donor. 2. A person with blood group AB is considered a universal recipient.
- Which hormone lowers the blood glucose level in the human body?
- Blood vessels: 1. Arteries always carry oxygenated blood. 2. The pulmonary artery carries deoxygenated blood.
- Bile juice helps in digestion mainly by
NDA 2020
- The blood group which can be given to patients of any ABO blood group, as universal donor, is
- Human blood. 1. Mature red blood cells of mammals do not have a nucleus. 2. White blood cells carry oxygen to the tissues.
- Which chamber of the human heart has the thickest muscular wall, and why?
- The hormone that prepares the body to face an emergency, increasing heart rate and blood sugar, is
- The part of the human brain mainly responsible for maintaining posture and balance of the body is
- Blood vessels carries oxygenated blood?
NDA 2019
- Which component of human blood is mainly responsible for clotting at the site of an injury?
- Which hormone secreted by the pancreas raises the blood glucose level?
- The natural pacemaker of the human heart is the
- Which enzyme present in gastric juice begins the digestion of proteins in the stomach?
- The gland that functions as both an endocrine and an exocrine gland in the human body is the
- The organ through which a developing human embryo receives nutrients and oxygen from the mother is the
- Glycolysis takes place in the cytoplasm of the cell. 2. The Krebs cycle takes place in the matrix of mitochondria.
NDA 2018
- Mature human red blood cells possess a nucleus. 2. Haemoglobin is found in the white blood cells.
- The hormone that lowers blood glucose level is secreted by the
- The main site of exchange of gases in the human lungs is the
- Which part of the human brain controls involuntary actions such as heartbeat and breathing?
- Which is the longest bone in the human body?
- Which blood vessel brings oxygenated blood from the lungs to the heart?
- Which blood cells are mainly involved in the clotting of blood?
- The largest artery in the human body is the
NDA 2017
- The respiratory pigment haemoglobin present in human red blood cells contains the metal
- In a simple reflex action, the impulse from the sensory neuron is processed mainly in the
- Insulin, which regulates blood sugar level, is secreted by the
- Insulin helps in lowering the level of glucose in the blood. 2. Deficiency of insulin causes goitre.
- Oxygenated blood from the lungs enters the heart through the
- Yeast reproduces asexually mainly by
- The net gain of ATP molecules per glucose molecule in glycolysis is
NDA 2016
- The valve between the left atrium and the left ventricle of the human heart is called the
- Insulin is secreted by which of the following, and its deficiency causes diabetes mellitus?
- Adrenaline prepares the body to deal with an emergency. 2. Thyroxine is secreted by the pituitary gland.
- The smallest bone in the human body is the
- In the human kidney, the filtration of blood takes place in the
- A person with blood group AB has which of the following in the blood plasma?
- The part of the human brain that coordinates balance and posture is the
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