Question
91
Physics
Which of the following is the nature of the image formed by a plane mirror?
(A)
Real and erect
(B)
Real and inverted
(C)
Virtual and erect
(D)
Virtual and inverted
Correct Answer:
C
Explanation:
A plane mirror forms a virtual, erect and laterally inverted image of the object.
A plane mirror forms a virtual, erect and laterally inverted image of the object.
Question
92
Chemistry
Which of the following is an example of liquid-gas colloid?
(A)
Fog
(B)
Jelly
(C)
Cheese
(D)
Milk
Correct Answer:
A
Explanation:
Fog is a liquid-gas colloid in which tiny liquid droplets are dispersed in a gas.
Fog is a liquid-gas colloid in which tiny liquid droplets are dispersed in a gas.
Question
93
Chemistry
Which of the following is the natural source of tartaric acid?
(A)
Carrot
(B)
Onion
(C)
Tamarind
(D)
Vinegar
Correct Answer:
C
Explanation:
Tamarind is a natural source of tartaric acid.
Tamarind is a natural source of tartaric acid.
Question
94
Physics
What is a solenoid?
(A)
A device that generates heat.
(B)
A type of resistor used in electrical circuits.
(C)
A magnetic material used for permanent magnets.
(D)
A coil of many circular turns of insulated wire wrapped closely in the shape of a cylinder.
Correct Answer:
D
Explanation:
A solenoid is a coil of many circular turns of insulated wire wound closely in the shape of a cylinder.
A solenoid is a coil of many circular turns of insulated wire wound closely in the shape of a cylinder.
Question
95
Biology
Who among the following discovered the nucleus in cells?
(A)
Rudolf Virchow
(B)
Antonie van Leeuwenhoek
(C)
Robert Hooke
(D)
Robert Brown
Correct Answer:
D
Explanation:
Robert Brown discovered the nucleus in plant cells in 1831.
Robert Brown discovered the nucleus in plant cells in 1831.
Question
96
Physics
What is work defined as?
(A)
The rate at which energy is transferred
(B)
The force applied on an object
(C)
The product of force and the distance over which it is applied
(D)
The change in momentum of an object
Correct Answer:
C
Explanation:
Work is defined as the product of force and the distance through which the force acts in its direction.
Work is defined as the product of force and the distance through which the force acts in its direction.
Question
97
Biology
Which of the following disease is caused by protozoa?
(A)
Typhoid
(B)
Cold
(C)
Influenza
(D)
Dysentery
Correct Answer:
D
Explanation:
Amoebic dysentery is caused by the protozoan Entamoeba histolytica.
Amoebic dysentery is caused by the protozoan Entamoeba histolytica.
Question
98
Biology
Which type of epithelial tissue is present in respiratory tract?
(A)
Stratified squamous epithelium
(B)
Cuboidal epithelium
(C)
Glandular epithelium
(D)
Ciliated columnar epithelium
Correct Answer:
D
Explanation:
Ciliated columnar epithelium is present in the respiratory tract and helps move mucus and trapped particles.
Ciliated columnar epithelium is present in the respiratory tract and helps move mucus and trapped particles.
Question
99
Chemistry
The first fullerene identified was which has carbon atoms arranged in the shape of a football?
(A)
C-30
(B)
C-60
(C)
C-90
(D)
C-120
Correct Answer:
B
Explanation:
C-60 was the first identified fullerene. Its structure resembles a football and contains 60 carbon atoms.
C-60 was the first identified fullerene. Its structure resembles a football and contains 60 carbon atoms.
Question
100
Biology
The girth of the stem or root increases due to
(A)
Apical meristem
(B)
Parenchyma tissue
(C)
Intercalary meristem
(D)
Lateral meristem
Correct Answer:
D
Explanation:
Lateral meristem, such as cambium, is responsible for the increase in girth or thickness of stems and roots.
Lateral meristem, such as cambium, is responsible for the increase in girth or thickness of stems and roots.
Total Questions:
120
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