Biology · NDA previous year questions

Which one among the following statements about arteries and veins in humans is NOT correct ?

1. A.Arteries carry blood away from heart while veins bring blood towards the heart
2. B.Pulmonary arteries always carry oxygenated blood while Pulmonary veins always carry deoxygenated blood
3. C.Arteries have thicker and more elastic walls compared to veins in general
4. D.Arteries do not have valves but veins do have valves

Identify the functions that are controlled by the hind brain of human being

1. A.Involuntary actions such as blood pressure, salivation vomiting ete.
2. B.Controlling the regions receiving sensory impulses from receptors
3. C.Controlling the movement of voluntary muscles
4. D.Sensation of hunger or being full

The menstrual cycle in females is controlled by hormones that are secreted by

1. A.Ovary and lacrimal gland
2. B.Ovary and sebaceous gland
3. C.Ovary and pituitary gland
4. D.Prostate and pituitary gland

Which one of the following blood cells type secrete large number of antibodies during am immune response of the body?

1. A.Neutrophils
2. B.Eosinophils
3. C.Lymphocytes
4. D.Monocytes

Which of the following organelles have their own DNA and ribosomes ?

1. A.Endoplasmic reticulum and Golgi bodies
2. B.Mitochondria and Chloroplast
3. C.Endoplasmic reticulum and cytoskeleton
4. D.Cell wall and nucleolus

Which one of the following statements is NOT correct ?

1. A.The molecules of soap are sodium or potassium salts of long chain fatty acids
2. B.The molecules of soap contain both hydrophobic and hydrophilic ends
3. C.Detergents are more effective than soaps in hard water
4. D.In micelles the ionic-end of the molecules is towards oil droplet while the other end faces outside

Which one of the following statements is NOT correct?

1. A.A scale measuring hydrogen ion concentration in a solution is called pH scale
2. B.The higher the hydrogen ion concentration in a solution, higher is its pH
3. C.We can measure pH generally from 0 to 14 on a pH scale
4. D.The 'p' in pH stands for 'potenz' in German meaning power

Which of the following statements with reference to L-Wave or Long Wave generated by an earthquake is/are correct? 1.They follow the Earth's circumference 2.They travel more or less at a constant rate Select the answer using the code given below:

1. A.1 only
2. B.2 only
3. C.Both 1 and 2
4. D.Neither 1 nor 2

The lactic acid that gets accumulated in the muscle cells during rigorous exercise causing muscle cramps is produced from

1. A.ATP
2. B.Pyruvate
3. C.Ethanol
4. D.Glucose

Which is the correct base pairing found in a normal DNA molecule?

1. A.Adenine pairs with Thymine
2. B.Adenine pairs with Guanine
3. C.Adenine pairs with Cytosine
4. D.Thymine pairs with Guanine

Clotting of blood involves which one among the following clotting proteins?

1. A.Pathogen
2. B.Fibrinogen
3. C.Macrophage
4. D.Phagocytes

The vector of malaria parasites is

1. A.Male Anopheles mosquito
2. B.Male Culex mosquito
3. C.Female Anopheles mosquito
4. D.Female Culex mosquito

Which of the following pairs is/are correctly matched? 1.Malaria : Mycobacterium 2.TB : Plasmodium Select the answer using the code given below:

1. A.1 only
2. B.2 only
3. C.Both 1 and 2
4. D.Neither 1 nor 2

Vitamin B1 is also known as

1. A.Riboflavin
2. B.Thiamin
3. C.Retinol
4. D.Tocopherol

Which one of the following statements about lysosomes is NOT correct ?

1. A.They are waste disposal system of the cell
2. B.They breakdown all inorganic materials
3. C.These are also referred to as “suicidal bags”
4. D.Lysosomes stop entry of foreign materials

Which of the following two cell organelles have their own genetic material ?

1. A.Endoplasmic reticulum and plastids
2. B.Endoplasmic reticulum and mitochondria
3. C.Mitochondria and plastids
4. D.Lysosomes and Golgi apparatus

Which one among the following is the source of energy in cells ?

1. A.ADP
2. B.ATP
3. C.AMP
4. D.NAD

Which one among the following separation techniques is used for blood tests in diagnostic laboratories ?

1. A.Filtration
2. B.Chromatography
3. C.Centrifugation
4. D.Crystallization

Which one among the following diseases is caused due to deficiency of Vitamin D in humans?

1. A.Beriberi
2. B.Scurvy
3. C.Rickets
4. D.Pneumonia

Which one among the following combinations most appropriately represent the components of balanced diet?

1. A.Carbohydrate, vitamins, proteins, fat, minerals, fibres and water.
2. B.Carbohydrate, vitamins, proteins, fat and minerals
3. C.Carbohydrate, vitamins, proteins, minerals and water
4. D.Vitamins, proteins, fat, minerals, fibres and water

In which part or organ of the human body is cartilage NOT found?

1. A.Nose
2. B.Trachea
3. C.Bronchiole
4. D.Knee joint

Which part of nephron of the human kidney is responsible for filtration of blood for excretion?

1. A.Collecting duct
2. B.Renal vein
3. C.Ureter
4. D.Bowman's capsule

Organisms of which of the following phylum are called sponges?

1. A.Coelenterata
2. B.Platyhelminthes
3. C.Porifera
4. D.Echinodermata

Litmus, a well-known acid-base indicator, is derived from :

1. A.Fungi
2. B.Lichens
3. C.Bacteria
4. D.Termite

Which of the following statements regarding animal cell membrane is correct?

1. A.They are composed of phospholipids only.
2. B.They are composed of proteins only.
3. C.They are composed of phospholipids and proteins only.
4. D.They are composed of phospholipids, proteins and cholesterol (lipid).