NMMS Exam 2019 Previous Year Question Paper with Answers And Complete Analysis With Key For Practice Test Paper

Q) Raw materials involved in the process of Photosynthesis.
A) CO2
B) H2O
C) Sunlight
D) All of the above

View Answer
Explanation: D) All of the above

Q) What happens to lime water when we exhale air into it?
A) Remains same
B) Turns blue.
C) Turns milky.
D) Becomes colorless

View Answer
Explanation: C) Turns milky.

Q) Match the following.

A) Breaking mirror 1) Acetic acid
B) Galvanisation 2) Due to chemical change
C) Vinegar 3) Physical change
D) Atmospheric pollution 4) Process of depositing Zinc on Iron metal.
View Answer
Explanation: A-3,B-4,C-1,D-2

Q) How can plants prevent self pollination ?
A) Stamen and Pistil mature at different times
B) Plants should develop bisexual flowers.
C) Pistil should have increased receptivity for pollen from same plant.
D) All the above

View Answer
Explanation: A) Stamen and Pistil mature at different times

Q) A Gardener burns leaves and weeds. This is causing pollution. He should not burn them but instead dispose them by
A) Throwing them into the river
B) Burying them in the garden
C) Throwing into the sewers.
D) Dumping them into the sea

View Answer
Explanation: B) Burying them in the garden


MATHEMATICS

QIf x = \frac12 ,then the value of X+\frac1{1+{\displaystyle\frac1{1+\frac1X}}} is
A) 5/4
B) 4/5
C) 3/4
D) 4/3

View Answer
A) 5/4
Explanation: x=1/2 ∴x+\frac{1}{1+\frac{1}{1+\frac{1}{x}}}\\ =\frac{1}{2}+\frac{1}{1+\frac{1}{1+\frac{1}{2}}}\\ =\frac{1}{2}+\frac{1}{1+\frac{1}{1+2}}\\ =\frac{1}{2}+\frac{1}{.1+\frac{1}{3}}\\ =\frac{1}{2}+\frac{1}{\frac{4}{3}}\\ =\frac{1}{2}+\frac{3}{4}\\ =\frac{2+3}{4}\\ =\frac{5}{4}

Q) The number by which 5184 should be divided to make it a perfect cube is
A) 2
B) 4
C) 3
D) 6

View Answer
C) 3
Explanation: 5184 = 23 x 23 x 33 x 3
If we divide 5184 by 3. It will become perfect cube

Q) The value of \sqrt{10+\sqrt{29+\sqrt{49}}}
A) 1
B) 2
C) 3
D) 4

View Answer
D) 4
Explanation: \sqrt{10+\sqrt{29+7\;}}\;=\sqrt{10+\sqrt{36}}\;=\sqrt{10+6}\;=\sqrt{16\;}\;=4

Q) If a polyhedron has 11 faces and 18 vertices, then the number of edges is
A) 15
B) 27
C) 33
D) 29

View Answer
B) 27
Explanation: Given that faces (F) = 11
vertices (V) = 18
edges (E) = ?
F + V = E + 2 (Euler’s Rule)
11 + 18 = E + 2=>29 = E + 2
∴E = 27

Q) If two supplementary angles differ by 40°, then the largest angle is
A) 140°
B) 110°
C) 70°
D) 40°

View Answer
B) 110°
Explanation: Let the largest angle = x° .
Smaller angle = 180 – x°
x° -(180 – x)° = 40°
x° – 180° + x° = 40°
2x° = 40 + 180° = 220°
x° =220/2 = 110
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