NDA General Knowledge

World Geography

Which one of the following is the driest desert of the world?

  1. Atacama
  2. Gobi
  3. Sahara
  4. Kalahari

Indian States

Which one of the following Union Territories has the highest female literacy rate?

  1. Chandigarh
  2. Lakshadweep
  3. Andaman and Nicobar Islands
  4. Puducherry

GB Cells Tissues

Which one of the following statements about meristematic tissues in plants is correct?

  1. These are dead tissues and form wood
  2. They provide flexibility to plant due to their thickened walls
  3. These are present in the bark of a tree only
  4. Growth occurs in plants due to division of cells of these tissues

GB Living Organisms

Which one of the following is the correct sequence of levels of hierarchy of classification of organisms from higher to lower?

  1. Phylum – Class – Order – Family – Genus
  2. Phylum – Class – Family – Order – Genus
  3. Family – Order – Class – Species – Genus
  4. Class – Family – Order – Species – Genus

GB Living Organisms

Which one of the following statements about classification of plants is correct?

  1. Thallophytes have well differentiated body design
  2. Funaria is a fungus
  3. All Pteridophytes are Phanerogams
  4. Vascular system is not found among Bryophytes

GB Life Processes

Which one of the following parts of body does not take part in the process of breathing?

  1. Bronchi
  2. Bowman’s capsule
  3. Diaphragm
  4. Trachea

GB Cells Tissues

Which one of the following organelle is not found in prokaryotic cells?

  1. Cell wall
  2. Mitochondria
  3. Plasma membrane
  4. Ribosome

GB Cells Tissues

AIDS is caused by a virus whose genetic material is

  1. single stranded circular DNA
  2. double stranded DNA
  3. single stranded RNA
  4. double stranded RNA

GC Acids Bases Salts

Which one of the following is the chemical formula of Washing Soda?

  1. NaCO3
  2. Na2CO3.10H2O
  3. Na2CO3.5H2O
  4. NaOH

GC Acids Bases Salts

Brine is an aqueous solution of

  1. NaCl
  2. NaOH
  3. NaHCO3
  4. Na2CO3

GC Acids Bases Salts

Which one of the following gives the highest amount of hydrogen ions (H+)?

  1. Sodium hydroxide solution
  2. Milk of magnesia
  3. Lemon juice
  4. Gastric juice

GC Acids Bases Salts

Which of the following properties is true for a tooth paste?

  1. It is acidic.
  2. It is neutral.
  3. It is basic.
  4. It is made up of calcium phosphate, the material of tooth enamel.

GC Acids Bases Salts

The accidental touch of Nettle leaves creates a burning sensation, which is due to inject of

  1. Hydrochloric acid
  2. Methanoic acid
  3. Citric acid
  4. Sulphuric acid

GP Light

Which one of the following is the natural phenomenon based on which a simple periscope works?

  1. Reflection of light
  2. Refraction of light
  3. Dispersion of light
  4. Total internal reflection of light

GP Electricity

Which one of the following devices is non-ohmic?

  1. Conducting copper coil
  2. Electric heating coil
  3. Semi conductor diode
  4. Rheostat

GP Solids Fluids

Whether an object will float or sink in a liquid, depends on

  1. mass of the object only
  2. mass of the object and density of liquid only
  3. difference in the densities of the object and liquid
  4. mass and shape of the object only

GP Gravitation

Which one of the following statements about gravitational force is not correct?

  1. It is experienced by all bodies in the universe
  2. It is a dominant force between celestial bodies
  3. It is a negligible force for atoms
  4. It is same for all pairs of bodies in our universe

GP Work Energy

Which one of the following is the value of 1 kWh of energy converted into joules?

  1. 1.8 × 106 J
  2. 3.6 × 106 J
  3. 6.0 × 106 J
  4. 7.2 × 106 J

GP Motion Force

Which one of the following has maximum inertia?

  1. An atom
  2. A molecule
  3. A one-rupee coin
  4. A cricket ball

GP Magnetism

What is the net force experienced by a bar magnet placed in a uniform magnetic field?

  1. Zero
  2. Depends upon length of the magnet
  3. Never zero
  4. Depends upon temperature

GP Motion Force

An object is moving, with uniform acceleration a. Its initial velocity is u and after time t its velocity is v. The equation of its motion is v = u + at. The velocity (along y-axis) time (along x-axis) graph shall be a straight line

  1. passing through origin
  2. with x-intercept u
  3. with y-intercept u
  4. with slope u

GP Motion Force

If an object moves with constant velocity then which one of the following statements is not correct?

  1. Its motion is along a straight line
  2. Its speed changes with time
  3. Its acceleration is zero
  4. Its displacement increases linearly with time

GP Motion Force

If T is the time period of an oscillating pendulum, which one the following statements is not correct?

  1. The motion repeats after time T only once
  2. T is the least time after which motion repeats itself
  3. The motion repeats itself after nT, where n is a positive integer
  4. T remains the same only for small angular displacements