NDA General Knowledge
Which is the driest desert of the world
Which one of the following is the driest desert of the world?
- Atacama
- Gobi
- Sahara
- Kalahari
Which Union Territories has the highest female literacy rate
Which one of the following Union Territories has the highest female literacy rate?
- Chandigarh
- Lakshadweep
- Andaman and Nicobar Islands
- Puducherry
Which statements about meristematic tissues in plants is correct
Which one of the following statements about meristematic tissues in plants is correct?
- These are dead tissues and form wood
- They provide flexibility to plant due to their thickened walls
- These are present in the bark of a tree only
- Growth occurs in plants due to division of cells of these tissues
Which is the correct sequence of levels of hierarchy of classification of organisms
Which one of the following is the correct sequence of levels of hierarchy of classification of organisms from higher to lower?
- Phylum – Class – Order – Family – Genus
- Phylum – Class – Family – Order – Genus
- Family – Order – Class – Species – Genus
- Class – Family – Order – Species – Genus
Which statements about classification of plants is correct
Which one of the following statements about classification of plants is correct?
- Thallophytes have well differentiated body design
- Funaria is a fungus
- All Pteridophytes are Phanerogams
- Vascular system is not found among Bryophytes
Which parts of body does not take part in the process of breathing
Which one of the following parts of body does not take part in the process of breathing?
- Bronchi
- Bowman’s capsule
- Diaphragm
- Trachea
Which organelle is not found in prokaryotic cells
Which one of the following organelle is not found in prokaryotic cells?
- Cell wall
- Mitochondria
- Plasma membrane
- Ribosome
AIDS is caused by a virus whose genetic material is
AIDS is caused by a virus whose genetic material is
- single stranded circular DNA
- double stranded DNA
- single stranded RNA
- double stranded RNA
Which is the chemical formula of Washing Soda
Which one of the following is the chemical formula of Washing Soda?
- NaCO3
- Na2CO3.10H2O
- Na2CO3.5H2O
- NaOH
Which gives the highest amount of hydrogen ions
Which one of the following gives the highest amount of hydrogen ions (H+)?
- Sodium hydroxide solution
- Milk of magnesia
- Lemon juice
- Gastric juice
Which of the following properties is true for a tooth paste
Which of the following properties is true for a tooth paste?
- It is acidic.
- It is neutral.
- It is basic.
- It is made up of calcium phosphate, the material of tooth enamel.
The accidental touch of Nettle leaves creates a burning sensation
The accidental touch of Nettle leaves creates a burning sensation, which is due to inject of
- Hydrochloric acid
- Methanoic acid
- Citric acid
- Sulphuric acid
Which is the natural phenomenon based on which a simple periscope works
Which one of the following is the natural phenomenon based on which a simple periscope works?
- Reflection of light
- Refraction of light
- Dispersion of light
- Total internal reflection of light
Which one of the following devices is non-ohmic
Which one of the following devices is non-ohmic?
- Conducting copper coil
- Electric heating coil
- Semi conductor diode
- Rheostat
Whether an object will float or sink in a liquid, depends on
Whether an object will float or sink in a liquid, depends on
- mass of the object only
- mass of the object and density of liquid only
- difference in the densities of the object and liquid
- mass and shape of the object only
Which statements about gravitational force is not correct
Which one of the following statements about gravitational force is not correct?
- It is experienced by all bodies in the universe
- It is a dominant force between celestial bodies
- It is a negligible force for atoms
- It is same for all pairs of bodies in our universe
Which is the value of 1 kWh of energy converted into joules
Which one of the following is the value of 1 kWh of energy converted into joules?
- 1.8 × 106 J
- 3.6 × 106 J
- 6.0 × 106 J
- 7.2 × 106 J
Which one of the following has maximum inertia
Which one of the following has maximum inertia?
- An atom
- A molecule
- A one-rupee coin
- A cricket ball
What is the net force experienced by a bar magnet
What is the net force experienced by a bar magnet placed in a uniform magnetic field?
- Zero
- Depends upon length of the magnet
- Never zero
- Depends upon temperature
An object is moving, with uniform acceleration a
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
- passing through origin
- with x-intercept u
- with y-intercept u
- with slope u
If an object moves with constant velocity then
If an object moves with constant velocity then which one of the following statements is not correct?
- Its motion is along a straight line
- Its speed changes with time
- Its acceleration is zero
- Its displacement increases linearly with time
If T is the time period of an oscillating pendulum
If T is the time period of an oscillating pendulum, which one the following statements is not correct?
- The motion repeats after time T only once
- T is the least time after which motion repeats itself
- The motion repeats itself after nT, where n is a positive integer
- T remains the same only for small angular displacements
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