Electric Charges and Fields MCQs | Electric Charges and Fields Multiple Choice Questions and Answers

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Questions
1 Particles involved in movement within material are
A protons
B electrons
C neutrons
D positrons

Answer: Electrons
2 Electric field strength can be defined as
A E = Q⁄F
B E = W⁄F
C E = F⁄Q
D E = P⁄Q

Answer: E = F⁄Q
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3 Electric field terminates at ________
A Positive charge
B Negative charge
C Neither positive nor negative
D Both positive and negative

Answer: Negative charge
4 In uniform fields, all points have ________ field strength.
A Zero
B Same
C Infinity
D Different

Answer: Same
5 The third name in trinomial nomenclature is
A Species
B Subgenus
C Subspecies
D Ecotype

Answer: Subspecies
6 An attribute found in plants but not animals is
A Metabolism
B Sexual reproduction
C Autotrophy
D Asexual reproduction

Answer: Autotrophy
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

Answer: Sympatric
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

Answer: Electric 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

Answer: Radial
16 The suffix-phyta indicates
A Family
B Order
C Class
D Division

Answer: Division
17 The scientific term for biological classification categories is the:
A Species
B Taxon
C Phylum
D Domain

Answer: Taxon
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

Answer: charged
20 Electric field originates at __________
A Positive charge
B Negative charge
C Neither positive nor negative
D Both positive and negative

Answer: Positive charge

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