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Free download in PDF Electric Charges and Fields Multiple Choice Questions & Answers for competitive exams. These Electric Charges and Fields Objective Questions with Answers are important for competitive exams like AIIMS, NEET, IIT, JEE and others Board Exams etc.
(1)
Particles involved in movement within material are
[A]
protons
[B]
electrons
[C]
neutrons
[D]
positrons
(2)
Electric field strength can be defined as
[A]
E = Q⁄F
[B]
E = W⁄F
[C]
E = F⁄Q
[D]
E = P⁄Q
(3)
Electric field terminates at ________
[A]
Positive charge
[B]
Negative charge
[C]
Neither positive nor negative
[D]
Both positive and negative
(4)
In uniform fields, all points have ________ field strength.
[A]
Zero
[B]
Same
[C]
Infinity
[D]
Different
(5)
The third name in trinomial nomenclature is
[A]
Species
[B]
Subgenus
[C]
Subspecies
[D]
Ecotype
(6)
An attribute found in plants but not animals is
[A]
Metabolism
[B]
Sexual reproduction
[C]
Autotrophy
[D]
Asexual reproduction
(7)
The most obvious & complicated feature of all living organisms is:
[A]
The ability to sense their surroundings or environment and respond to these environmental stimuli
[B]
Reproduction - sexual or asexual - for production of progeny of own kind
[C]
The ability to growth in size due to cell division
[D]
Presence of complex organs systems such as digestive and nervous system
Answer: The ability to sense their surroundings or environment and respond to these environmental stimuli
(8)
As we go lower from kingdom to Species, the number of common characers at each taxa:
[A]
Goes on decreasing
[B]
Goes on increasing
[C]
Remains same
[D]
There is no pattern to this
Answer: Goes on increasing
(9)
What is meant by the "species problem"?
[A]
The exact definition of species is still controversial
[B]
The exact mechanisms of speciation is not known
[C]
The number of species present is much more than identified species
[D]
The extinction of species is taking place at an alarming rate
Answer: The exact definition of species is still controversial
(10)
Two or more species occupying same or overlapping areas are
[A]
Sympatric
[B]
Sibling
[C]
Subspecies
[D]
Allopatric
(11)
What happens when one material is rubbed against another?
[A]
The material becomes electrically neutral
[B]
The material becomes electrically charged
[C]
The material becomes negatively charged
[D]
The material becomes positively charged
Answer: The material becomes electrically charged
(12)
Which, among the following, is the field where electric charge experiences a force?
[A]
Electric field
[B]
Magnetic field
[C]
Gravitational field
[D]
Electric, magnetic and gravitational field
(13)
The conventional direction of electric field is ________
[A]
Positive to negative
[B]
Negative to positive
[C]
No specific direction
[D]
Direction cannot be determined
Answer: Positive to negative
(14)
Which among the following statements is true with regard to electric field lines?
[A]
Electric field lines always intersect
[B]
Electric field lines may or may not intersect
[C]
Electric field lines can be seen
[D]
Electric field lines never intersect
Answer: Electric field lines never intersect
(15)
A field that spreads outwards in all directions is __________
[A]
Linear
[B]
Radial
[C]
Weak
[D]
Strong
(16)
The suffix-phyta indicates
[A]
Family
[B]
Order
[C]
Class
[D]
Division
(17)
The scientific term for biological classification categories is the:
[A]
Species
[B]
Taxon
[C]
Phylum
[D]
Domain
(18)
The Indian Botanical Garden and the National Botanical Research Institute are located respectively at:
[A]
Pune and Howrah
[B]
Howrah and Lucknow
[C]
Darjeeling and Lucknow
[D]
Shimla and Dehradun
Answer: Howrah and Lucknow
(19)
When one material is rubbed against other, then it becomes electrically
[A]
neutral
[B]
charged
[C]
positively charged
[D]
negatively charged
(20)
Electric field originates at __________
[A]
Positive charge
[B]
Negative charge
[C]
Neither positive nor negative
[D]
Both positive and negative
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