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Tests MCQs for Class 10 Exam
It covers all Important Questions with answers on Tests for the Class 10 exam. The questions are based on important topics. Details about the questions:- Topic: Tests
- Type of Questions: MCQs with solutions
- Number of Questions: 50
- You can attempt them on EduRev to score high in Class 10 exam.
When “France sneezes, the rest of Europe catches a cold.” Who said these words?- a)Metternich
- b)Lenin
- c)Napoleon
- d)William-I
Correct answer is option 'A'. Can you explain this answer?
When “France sneezes, the rest of Europe catches a cold.” Who said these words?
a)
Metternich
b)
Lenin
c)
Napoleon
d)
William-I
 | Gaurav Kumar answered |
If "France sneezes, rest of Europe catches cold" was said by Metternich, the Austrian Chancellor.
He opined that the political developments in France were stimulative to other countries of Europe like the French Revolution and the ideals of liberty, equality and fraternity.
One card is drawn from a pack of 52 cards, each of the 52 cards being equally likely to be drawn. Find the probability that The card drawn is black.- a)can't be determined
- b)1/4
- c)8/13
- d)1/2
Correct answer is option 'D'. Can you explain this answer?
One card is drawn from a pack of 52 cards, each of the 52 cards being equally likely to be drawn. Find the probability that The card drawn is black.
a)
can't be determined
b)
1/4
c)
8/13
d)
1/2
 | Krishna Iyer answered |
Total cards n(S)=52
There are 26 black cards in a pack n(B)=26
There are 26 black cards in a pack n(B)=26
P(E) = n(B)/n(S) = 26/52 = 1/2
Q. If α,β and γ are the zeros of the polynomial 2x^3 – 6x^2 – 4x + 30, then the value of (αβ + βγ + γα) isa) 5b) 2c) -2d) -30Correct answer is option 'C'. Can you explain this answer?
 | Vikram Kapoor answered |
We have a 3 degree polynomial here of form
ax3 + bx2 + cx +d = 0
Polynomial p(x) = 2x3 – 6x2 – 4x + 30
ax3 + bx2 + cx +d = 0
Polynomial p(x) = 2x3 – 6x2 – 4x + 30
The roots of this polynomial are α, β, γ
We have formula for products of zeroes taking 2 at a time = αβ + βγ + αγ = c/a
αβ + βγ + αγ = -4/2 = -2
We have formula for products of zeroes taking 2 at a time = αβ + βγ + αγ = c/a
αβ + βγ + αγ = -4/2 = -2
Romanticism refers to a:- a)cultural movement
- b)religious movement
- c)political movement
- d)literary movement
Correct answer is option 'A'. Can you explain this answer?
Romanticism refers to a:
a)
cultural movement
b)
religious movement
c)
political movement
d)
literary movement
| | Vikram Kapoor answered |
Romanticism was an artistic, intellectual and cultural movement that ran from the late eighteenth century through the nineteenth century.
Romanticism can be seen as a rejection of the precepts of order, calm, harmony, balance, idealization, and rationality that typified Classicism in general and late 18th-century.
Oxidation involves
(i) gain of electron
(ii) loss of electron
(iii) addition of oxygen or electronegative element
(iv) removal of hydrogen or electropositive element- a)(i), (ii), (iii)
- b)(ii), (iii), (iv)
- c)(i), (iii), (iv)
- d)(i), (ii), (iv)
Correct answer is option 'B'. Can you explain this answer?
Oxidation involves
(i) gain of electron
(ii) loss of electron
(iii) addition of oxygen or electronegative element
(iv) removal of hydrogen or electropositive element
(i) gain of electron
(ii) loss of electron
(iii) addition of oxygen or electronegative element
(iv) removal of hydrogen or electropositive element
a)
(i), (ii), (iii)
b)
(ii), (iii), (iv)
c)
(i), (iii), (iv)
d)
(i), (ii), (iv)
| | Vikram Kapoor answered |
Oxidation process involves :-
Addition of O2 or electronegative element.
Removal of H/ Electropositive element.
Loss of electron.
Addition of O2 or electronegative element.
Removal of H/ Electropositive element.
Loss of electron.
The Homogeneous mixture of two or more metals or a metal and a non-metal is called an:- a)Alloy
- b)Mineral
- c)Ore
- d)Both alloy and ore
Correct answer is option 'A'. Can you explain this answer?
The Homogeneous mixture of two or more metals or a metal and a non-metal is called an:
a)
Alloy
b)
Mineral
c)
Ore
d)
Both alloy and ore
 | Naina Sharma answered |
An alloy is a homogenous mixture of two or more metals or non metals mixed in a molten state.
Who were the ‘Junkers’?- a)Soldiers
- b)Large landowners
- c)Aristocracy
- d)Weavers
Correct answer is option 'B'. Can you explain this answer?
Who were the ‘Junkers’?
a)
Soldiers
b)
Large landowners
c)
Aristocracy
d)
Weavers
| | Vivek Rana answered |
Junkers was a common word to denote all the landed nobility who owned great estates. These estates were owned by small peasants who had few rights.
The most serious source of nationalist tension in Europe, after 1871, was an area called- a)Ottoman
- b)Prussia
- c)Balkans
- d)Macedonia
Correct answer is option 'C'. Can you explain this answer?
The most serious source of nationalist tension in Europe, after 1871, was an area called
a)
Ottoman
b)
Prussia
c)
Balkans
d)
Macedonia
 | Ayush Saha answered |
The most serious source of nationalist tension in Europe after 1871 was the area called the Balkans. (i) The Balkans was a region of geographical and ethnic variations comprising modern day Romania, Bulgaria, Albania, Greece, Macedonia.
Which of the following protects inner lining of stomach from hydrochloric acid secreted by gastric glands ?- a)Pepsinogen
- b)Pepsin
- c)Bile juice
- d)Mucus
Correct answer is option 'D'. Can you explain this answer?
Which of the following protects inner lining of stomach from hydrochloric acid secreted by gastric glands ?
a)
Pepsinogen
b)
Pepsin
c)
Bile juice
d)
Mucus
 | Subhankar Kapoor answered |
Small pores called gastric pits contain many exocrine cells that secrete digestive enzymes and hydrochloric acid into the lumen, or hollow region, of the stomach. Mucous cells found throughout the stomach lining and gastric pits secrete mucus to protect the stomach from its own digestive secretions.
The teacher said, "The Earth moves round the Sun."- a)The teacher said that The Earth moves round the Sun.
- b)The teacher asked that The Earth moves round the Sun.
- c)The teacher told that The Earth moved round the Sun.
- d)The teacher said that The Earth has moved round the Sun.
Correct answer is option 'A'. Can you explain this answer?
The teacher said, "The Earth moves round the Sun."
a)
The teacher said that The Earth moves round the Sun.
b)
The teacher asked that The Earth moves round the Sun.
c)
The teacher told that The Earth moved round the Sun.
d)
The teacher said that The Earth has moved round the Sun.
 | Ananya Das answered |
A universal truth sentence is that which has:
An accepted fact
A general truth
Habitual actions
An accepted fact
A general truth
Habitual actions
For universal truth sentences, the reported speech is not changed to convert direct speech to indirect speech. Inverted commas are removed
The given sentence in indirect speech would be: The teacher said that the Earth moves round the Sun. Here, 'the Earth moves round the Sun' is the universal truth. Thus, option A is the correct answer.
The given sentence in indirect speech would be: The teacher said that the Earth moves round the Sun. Here, 'the Earth moves round the Sun' is the universal truth. Thus, option A is the correct answer.
Tissue that transports products of photosynthesis from the leaves where they are synthesized to other parts of the plant, are called:- a)Phloem
- b)Stomata
- c)Xylem
- d)Guard cells
Correct answer is option 'A'. Can you explain this answer?
Tissue that transports products of photosynthesis from the leaves where they are synthesized to other parts of the plant, are called:
a)
Phloem
b)
Stomata
c)
Xylem
d)
Guard cells
 | Eren Jaeger answered |
The phloem make up the vascular tissue of a plant and transports water, sugars, and other important substances around a plant. Phloem is responsible for transporting food produced from photosynthesis from leaves to non-photosynthesizing parts of a plant such as roots and stems
The ability of the metals to be drawn into thin wires is known as - a)ductility
- b)malleability
- c)sonorousity
- d)conductivity
Correct answer is option 'A'. Can you explain this answer?
The ability of the metals to be drawn into thin wires is known as
a)
ductility
b)
malleability
c)
sonorousity
d)
conductivity
 | Jyoti dubey answered |
The ability of a metal to be drawn into wires is called ductility.
Blood vessels that connect arteries to veins are called:- a)Neurons
- b)Capillaries
- c)Nephrons
- d)Muscles
Correct answer is option 'B'. Can you explain this answer?
Blood vessels that connect arteries to veins are called:
a)
Neurons
b)
Capillaries
c)
Nephrons
d)
Muscles
 | Rachit Agrah.ari answered |
Capillaries connect arteries to veins and help in exchange of substances across cells.
What is observed when a solution of potassium iodide is added to lead nitrate solution ?- a)No reaction takes place
- b)White precipitate of silver iodide is formed
- c)Yellow precipitate of PbI2 is formed
- d)Agl is soluble in water
Correct answer is option 'C'. Can you explain this answer?
What is observed when a solution of potassium iodide is added to lead nitrate solution ?
a)
No reaction takes place
b)
White precipitate of silver iodide is formed
c)
Yellow precipitate of PbI2 is formed
d)
Agl is soluble in water
| | Vikram Kapoor answered |
When a solution of potassium iodide is added to a solution of lead nitrate taken in a test tube, the precipitation of a yellowish solid is observed. This yellowish solid is lead iodide. Potassium nitrate is formed along with lead iodide.
This is an example of double displacement reaction.
Also , as yellow precipitate is formed , this is also an example of precipitation reaction
This is an example of double displacement reaction.
Also , as yellow precipitate is formed , this is also an example of precipitation reaction
Balanced Equation: Pb(NO3)2 + 2KI → 2KNO3 + PbI2
An organism’s body has a large proportion of dead cells, have low energy needs, and can use relatively slow transport system. This organism could be :- a)Fishes
- b)Reptiles
- c)Plants
- d)Human beings
Correct answer is option 'C'. Can you explain this answer?
An organism’s body has a large proportion of dead cells, have low energy needs, and can use relatively slow transport system. This organism could be :
a)
Fishes
b)
Reptiles
c)
Plants
d)
Human beings
| | Arun Yadav answered |
Plants: Plants do not move. They have a large proportion of dead tissues. Some plants are very tall. So, plants generally have relative slow transport system.
Which component allows the movement of sugar stored in the roots or stem to the newly growing buds in spring?- a)Tracheids
- b)Phloem
- c)Xylem
- d)Vessels
Correct answer is option 'B'. Can you explain this answer?
Which component allows the movement of sugar stored in the roots or stem to the newly growing buds in spring?
a)
Tracheids
b)
Phloem
c)
Xylem
d)
Vessels
 | Rahul Kapoor answered |
In spring, new buds are formed. These buds need more energy to grow than other parts of the plant.
This energy comes from the sugar stored in the root or stem tissue to the buds by phloem. Thus. buds need the sugars in springs.
Which of the following substances is transported by phloem tissue?- a)Sucrose prepared by leaves
- b)Water
- c)ATP
- d)minerals
Correct answer is option 'A'. Can you explain this answer?
Which of the following substances is transported by phloem tissue?
a)
Sucrose prepared by leaves
b)
Water
c)
ATP
d)
minerals
 | Gunjan Lakhani answered |
- Plants have two transport systems - xylem and phloem .
- Xylem transports water and minerals. Phloem transports sugars (sucrose) and amino acids dissolved in water.
Solution of a quadratic equation x2+ 5x - 6 = 0- a)x = -1, x = 6
- b)x = 1, x = - 6
- c)x = 1
- d)x = 6
Correct answer is option 'B'. Can you explain this answer?
Solution of a quadratic equation x2+ 5x - 6 = 0
a)
x = -1, x = 6
b)
x = 1, x = - 6
c)
x = 1
d)
x = 6
 | Arjav Patni answered |
X^2 +5x-6=0
=x^2+6x-x-6=0[by splitting middle term]
=x(x+6)-1(x+6)
=(x-1)(x+6)
x=1;x=-6
William Harvey is known for discovery of :- a)Blood circulation
- b)Blood clotting
- c)Respiration
- d)Digestion
Correct answer is option 'A'. Can you explain this answer?
William Harvey is known for discovery of :
a)
Blood circulation
b)
Blood clotting
c)
Respiration
d)
Digestion
| | Gaurav Kumar answered |
William Harvey is known for the discovery of blood circulation. He was the first person to correctly describe blood’s circulation in the body. He showed that arteries and veins form a complete circuit. The circuit starts at the heart and leads back to the heart. So, the correct answer is option A.
One card is drawn from a pack of 52 cards, each of the 52 cards being equally likely to be drawn. Find the probability that The card drawn is black and a queen.- a)1/13
- b)1/52
- c)1/26
- d)5/6
Correct answer is option 'B'. Can you explain this answer?
One card is drawn from a pack of 52 cards, each of the 52 cards being equally likely to be drawn. Find the probability that The card drawn is black and a queen.
a)
1/13
b)
1/52
c)
1/26
d)
5/6
 | Deepesh Singh Sengar. answered |
Ans c - 1/26 is the right answer. not b
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