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BPSC TGT Math & Science Mock Test - 2 - Bihar PGT/TGT/PRT MCQ


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30 Questions MCQ Test - BPSC TGT Math & Science Mock Test - 2

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BPSC TGT Math & Science Mock Test - 2 - Question 1

CANDID

Detailed Solution for BPSC TGT Math & Science Mock Test - 2 - Question 1

Frank is a synonym of candid.
As adjectives the difference between frank and candid is that frank is honest, especially in an manner that seems slightly blunt while candid is impartial and free from prejudice.

BPSC TGT Math & Science Mock Test - 2 - Question 2

'अनादर, उपेक्षा, निरादर' के लिए कौन सा अनेकार्थी शब्द सही है चयन कीजिए?

Detailed Solution for BPSC TGT Math & Science Mock Test - 2 - Question 2

सही उत्तर 'अपमान' है।
Key Points

  • 'अपमान ' शब्द के अनेकार्थी शब्द - अनादर, उपेक्षा, निरादर।
  • 'अपमान' के अन्य अनेकार्थी शब्द - बेइज्जती, अवज्ञा, तिरस्कार, अवमाना।

​ अन्य विकल्प -

1. अभय- निडर, साहसी, निर्भीक, निर्भय, निश्चिन्त।

2. अभियोग- दोषारोपण, कसूर, अपराध, गलती, आक्षेप, आरोप, दोषारोपण, इल्ज़ामा।

3. अनुपम- सुन्दर, अतुल, अपूर्व, अद्वितीय, अनोखा, अप्रतिम, अद्भुत, अनूठा, विलक्षण, विचित्र।

Additional Information

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BPSC TGT Math & Science Mock Test - 2 - Question 3

निम्नलिखित में समोच्चरित भिन्नार्थक शब्द-युग्म नहीं है:

Detailed Solution for BPSC TGT Math & Science Mock Test - 2 - Question 3
सही उत्तर है - ‘ढूँढ-ढाँढ’।
  • ढूँढ-ढाँढ’ समोच्चरित भिन्नार्थक शब्द-युग्म नहीं है।
  • ढूँढ का अर्थ : खोज, तलाश।
  • अन्य सभी समोच्चरित भिन्नार्थक शब्द हैं।

Key Pointsअन्य विकल्प :

  • कटिबद्ध- तैयार या तत्पर।
  • कटिबंध- कमरबंद, कमर पर बाँधा जाने वाला आभूषण।
  • करकट- कूड़ा कचरा।
  • कर्कट- केकड़ा।
  • क्रांति- विद्रोह।
  • क्लांति- थकावट।

Additional Information

  • समोच्चरित भिन्नार्थक शब्द - वे बोलचाल में लगभग एक जैसे लगते हैं, परन्तु उनके अर्थ में भिन्नता होती है। ऐसे शब्द ‘समोच्चरित भिन्नार्थक शब्द’ कहलाते हैं।
    जैसे- घन और धन दोनों के उच्चारण में कोई खास अन्तर महसूस नहीं होता परन्तु अर्थ में भिन्नता है।

अन्य उदाहरण :

  • अवधि - अवधी
  • ग्रह - गृह
  • जलद - जलज
  • निश्छल - निश्चल
BPSC TGT Math & Science Mock Test - 2 - Question 4
इनमें से कौन सा शब्द-भेद अव्यय कहलाता है?
Detailed Solution for BPSC TGT Math & Science Mock Test - 2 - Question 4

सही उत्तर 'क्रिया-विशेषण' है।

  • 'क्रिया-विशेषण' शब्द-भेद अव्यय कहलाता है।
  • वे शब्द जिनमे लिंग, कारक, वचन, पुरुष आदि के कारण कोई विकार/ परिवर्तन उत्पन्न नहीं होता है, अव्यय शब्द कहलाते है।
  • जैसे – आज, कब, इधर, किन्तु आदि।
  • अव्यय के पांच भेद हैं –क्रिया-विशेषण, सम्बन्धबोधक, समुच्चयबोधक, विस्मयादिबोधक और निपात।​

Key Pointsअन्य विकल्पों का विश्लेषण:

  • संज्ञा - किसी प्राणी, वस्तु, स्थान, गुण या भाव के नाम को संज्ञा कहते है।
  • जैसे -राम, गंगा, पटना, नदी, पर्वत, लड़की आदि।
  • सर्वनाम वे शब्द होते हैं जो संज्ञा के स्थान पर प्रयोग किये जाते हैं
  • जैसे - तू, तुम, वे आदि।
  • विशेषण-जो शब्द संज्ञा या सर्वनाम शब्द की विशेषता बताते है उन्हें विशेषण कहते है।
    • जैसे:- राम काला है।
    • राम :- संज्ञा
    • काला:- विशेषण

Additional Informationअव्यय के पांच भेद हैं

BPSC TGT Math & Science Mock Test - 2 - Question 5
निम्नलिखित में से कौन-सा विकल्प ‘सार्वनामिक विशेषण’ का उदाहरण है? पहचान कीजिए-
Detailed Solution for BPSC TGT Math & Science Mock Test - 2 - Question 5

दिए गए विकल्पों में से विकल्प 3 "कोई नौकर" सही है। अन्य विकल्प सही नहीं हैं।

Key Points

  • ऐसे सर्वनाम शब्द जो संज्ञा से पहले प्रयोग होकर उस संज्ञा शब्द की विशेषता बतलाते है, उन शब्दों को सार्वनामिक विशेषण कहते हैं।
    • जैसे:- कोई नौकर यहाँ से नहीं जाएगा।
  • इस वाक्य से यह साफ हो जाता है कि कोई नौकर वाक्य सार्वनामिक विशेषण है।

Additional Information

BPSC TGT Math & Science Mock Test - 2 - Question 6
इनमें से कौन सा शब्द 'समुच्चयबोधक अव्यय' नहीं है?
Detailed Solution for BPSC TGT Math & Science Mock Test - 2 - Question 6

सही उत्तर "सामने" है।

  • दिए गए विकल्पों में, 'सामने' शब्द 'समुच्चयबोधक अव्यय' नहीं है।
  • 'सामने' शब्द 'सम्बन्धबोधक अव्यय' है।
  • अन्य उदाहरण:

Key Points

  • वे शब्द जिनमे लिंग, कारक, वचन, पुरुष आदि के कारण कोई विकार/ परिवर्तन उत्पन्न नहीं होता है, अव्यय शब्द कहलाते है।
  • जैसे – आज, कब, इधर, किन्तु आदि।
  • अव्यय के पांच भेद हैं
BPSC TGT Math & Science Mock Test - 2 - Question 7

निम्नलिखित प्रश्न में, चार विकल्पों में से उस विकल्प का चयन करें जो दिए गए वाक्य के भेद का सबसे अच्छा विकल्प हो ।

जुग जुग जिओ।

Detailed Solution for BPSC TGT Math & Science Mock Test - 2 - Question 7
जुग जुग जिओ मे वाक्य के भेद का सबसे अच्छा विकल्प इच्छावाचक है।
BPSC TGT Math & Science Mock Test - 2 - Question 8

In the A.P. -3, -1/2, 2 …. The 11th term is

Detailed Solution for BPSC TGT Math & Science Mock Test - 2 - Question 8

The A.P. is -3, -1/2, 2 …
Where a = – 3
d = a(2) – a(1) = (-1 / 2) - (-3)
⇒ (-1 / 2) + 3 = 5 / 2
a(n) = a + (n−1) x d
a(11) = 3 + (11-1) x (5 / 2)
a(11) = 3 + (10) x (5 / 2)
a(11) = -3 + 25
a(11) = 22

BPSC TGT Math & Science Mock Test - 2 - Question 9

When did Bhutan begin opening its isolated country to foreigners?

Detailed Solution for BPSC TGT Math & Science Mock Test - 2 - Question 9

Bhutan remained completely isolated from the outside world for centuries. However, in 1974, Bhutan began opening its doors to foreigners, marking the start of tourism in the country. In that year, 287 tourists visited Bhutan, and since then, the number of visitors has increased significantly.

BPSC TGT Math & Science Mock Test - 2 - Question 10
What material is mentioned for the construction of stupas such as Amaravati and Nagarjunakonda during the Satavahana period?
Detailed Solution for BPSC TGT Math & Science Mock Test - 2 - Question 10
The Amaravati and Nagarjunakonda stupas, built during the Satavahana period, are mentioned as being constructed with bricks, representing an important aspect of the material culture of that time.
BPSC TGT Math & Science Mock Test - 2 - Question 11

Read the following text and answer the following questions on the basis of the same: In a potato race, a bucket is placed at the starting point, which is 5 m from the first potato and the other potatoes are placed 3 m apart in a straight line. There are ten potatoes in the line (see figures).

A competitor starts from the bucket, picks up the nearest potato, runs back with it, drops it in the bucket, runs back to pick up the next potato, runs to the bucket to drop it in, and she continues in the same way until all the potatoes are dropped in the bucket.

Q. What is the distance run to pick up the 4th potato?

Detailed Solution for BPSC TGT Math & Science Mock Test - 2 - Question 11
Distance run to pick up the

4th potato = 2 × (5 + 3 + 3 + 3)

= 28 m.

BPSC TGT Math & Science Mock Test - 2 - Question 12

Given four points such that no three of them are collinear, then the number of lines that can be drawn through them are:

Detailed Solution for BPSC TGT Math & Science Mock Test - 2 - Question 12

Given, four points such that no three of them are collunear.
we kow that line can be formed using two points. therfore, 

BPSC TGT Math & Science Mock Test - 2 - Question 13

Which one of the following is not correct?

Detailed Solution for BPSC TGT Math & Science Mock Test - 2 - Question 13

All are incorrect as it is not given that the lines are parallel. Hence, D option.

BPSC TGT Math & Science Mock Test - 2 - Question 14

The solution of the trigonometric equation 

Detailed Solution for BPSC TGT Math & Science Mock Test - 2 - Question 14


cos2θ = 3(cot2θ-cos2θ)
4cos2θ = 3cot2θ
4=3(1/sin2θ)
sin2θ = 3/4
sinθ = √3/2
θ = 60

BPSC TGT Math & Science Mock Test - 2 - Question 15

In the given figure, if ∠AOB = 80o and ∠ABC = 30o , then ∠CAO is equal to

Detailed Solution for BPSC TGT Math & Science Mock Test - 2 - Question 15

2ACB=AOB
ACB=40
CAB+ACB+ABC=180
CAB=180-70
CAB=110
since,OA=OB(radius)
OAB=OBA

AOB+OAB+OBA=180
2OBA=100
OBA=50

CAO=CAB-OBA=110-5O
CAO=60o

BPSC TGT Math & Science Mock Test - 2 - Question 16

If one angle of triangle is equal to the sum of the other two angles then triangle is :

Detailed Solution for BPSC TGT Math & Science Mock Test - 2 - Question 16
In right angle triangle one angle in 90 degree, so the sum of other two angles will be 90 degree as per angle sum property.
BPSC TGT Math & Science Mock Test - 2 - Question 17

A quadratic polynomial whose zeroes are - 3 and 6, is

Detailed Solution for BPSC TGT Math & Science Mock Test - 2 - Question 17

BPSC TGT Math & Science Mock Test - 2 - Question 18

The value of (a2−b2)3+(b2−c2)3+(c2−a2)3 is

Detailed Solution for BPSC TGT Math & Science Mock Test - 2 - Question 18
Let (a²-b²) =x , (b²-c²) =y , (c²-a²) = z we know that a+b+ c=0 and, a³ + b³ + c³ = 3abc so, 3(a+b)(a-b)(b+c) (b-c)(c+a)(c-a) = 3(a+b)(b+c)(c+a)(a-b)(b-c)(c-a)
BPSC TGT Math & Science Mock Test - 2 - Question 19

Directions: In the following questions, A statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as.

Assertion (A): The equation 8x2 + 3kx + 2 = 0 has equal roots than the value of k is ±

Reason (R): The equation ax2 + bx + c = 0 has equal roots if D = b2 – 4ac = 0.

Detailed Solution for BPSC TGT Math & Science Mock Test - 2 - Question 19
Reason perfectly explains the nature of roots when D = 0 for any quadratic equation.

Let us apply the reason on the equation,

8x2 + 3kx + 2 = 0

D = b2 – 4ac = 0

⇒ (3k)2 – 4(8) (2) = 0

⇒ 9k2 – 64 = 0

BPSC TGT Math & Science Mock Test - 2 - Question 20

Direction: India's national animal Tiger (which has also been under the radar of the government as its population declined in the country) has witnessed an increase in its population.

A survey was done by the Ministry of Environment, Forests and Climate change, according to which tiger population is on rise at the rate of 6 per cent every year from 2006 and 2018.

Pranav has found a report on status of tigers in India in last 100 years. He has some queries as follow :

Q. In which year, number of tigers were minimum?

Detailed Solution for BPSC TGT Math & Science Mock Test - 2 - Question 20
In 2007, number of tigers were minimum.
BPSC TGT Math & Science Mock Test - 2 - Question 21

Directions : In the following questions, A statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as.

Assertion (A): A manufacturer involved children in colouring playing top (Lattu) which is shaped like a cone surmounted by a hemisphere. The entire top is 5 cm in height and the diameter of the top is 3.5 cm. The area to be painted if 100 playing tops are given to him then will be 3955 cm2.

Reason (R): Slant height =

Detailed Solution for BPSC TGT Math & Science Mock Test - 2 - Question 21
The formula of slant height is wrong.

The correct formula is l =

Therefore, A is true but R is false.

BPSC TGT Math & Science Mock Test - 2 - Question 22

A double convex lens made of glass of refractive index 1.56 has both radii of curvature of magnitude 20cm. If an object is placed at a distance of 10cm from this lens, the position of the image formed is

Detailed Solution for BPSC TGT Math & Science Mock Test - 2 - Question 22

Here, R1 = 20 cm, R2 = −20 cm, u = −10 cm and μ = 1.56
Using lens make'rs formula,

Now, from lens equation,

Since v is negative, the image will be formed on the same side as that of object.

BPSC TGT Math & Science Mock Test - 2 - Question 23

Which of the following is not a Dobereiner triad -

Detailed Solution for BPSC TGT Math & Science Mock Test - 2 - Question 23

In Doberiner’s triad, mass of the middle element should be the average of the first and last element. In option b, Atomic massCa is not equal to the mean of atomic mass of Mg and Sr.

BPSC TGT Math & Science Mock Test - 2 - Question 24

The reduction potential values of M, N and O are +2.46, -1.13 and -3.13 V respectively. Which of the following order is correct regarding their reducing property?

Detailed Solution for BPSC TGT Math & Science Mock Test - 2 - Question 24

Reduction potential means the tendency to reduce itself, i.e SO if we need reducing agent, then we need elements having more oxidising potential or reversing reduction potential order.
The order of reduction potential - O < N < M
So the order of reducing agent = M < N < O

BPSC TGT Math & Science Mock Test - 2 - Question 25

The passage of current through a solution of certain electrolye results in the evolution of H2 at cathode and Cl2 at anode. The electrolytic solution is -

Detailed Solution for BPSC TGT Math & Science Mock Test - 2 - Question 25

In this Cl  will oxidise to give Cl2 ,Na+ reduction potential has lower potential than water reduction polenlid so water will reduce to give H2.

BPSC TGT Math & Science Mock Test - 2 - Question 26

Select the correct statement.

Detailed Solution for BPSC TGT Math & Science Mock Test - 2 - Question 26

Both thorn of Bougainvillea and potato are modification of stem.

BPSC TGT Math & Science Mock Test - 2 - Question 27

Which microscope made it possible to observe the complex structure of cell and its organelles?

Detailed Solution for BPSC TGT Math & Science Mock Test - 2 - Question 27

Electron  microscope is used to understand the complex structure of the cell and its various organelles. when was it discovered.

BPSC TGT Math & Science Mock Test - 2 - Question 28

Micro-organisms belongs to the group of-

Detailed Solution for BPSC TGT Math & Science Mock Test - 2 - Question 28
Micro-organisms belong to the group of decomposers.

  • Micro-organisms are small, single-celled organisms that are not visible to the naked eye.

  • They play a crucial role in the ecosystem by breaking down organic matter and recycling nutrients.

  • Decomposers, such as bacteria and fungi, are responsible for the process of decomposition.

  • Decomposition is the breakdown of dead plants and animals into simpler substances, which can then be used by other organisms.

  • Micro-organisms secrete enzymes that help in the breakdown of complex organic molecules into simpler compounds.

  • They obtain their energy by breaking down organic matter.

  • Micro-organisms are found in various environments, such as soil, water, and even inside the bodies of other organisms.

  • They are essential for the nutrient cycling in ecosystems and help in maintaining the balance of nature.

  • Examples of micro-organisms that act as decomposers include bacteria, fungi, and certain types of protozoa.


In conclusion, micro-organisms are a group of decomposers that play a vital role in the ecosystem by breaking down organic matter and recycling nutrients. They are found in various environments and are essential for maintaining the balance of nature.
BPSC TGT Math & Science Mock Test - 2 - Question 29

Where does fertilisation take place?

Detailed Solution for BPSC TGT Math & Science Mock Test - 2 - Question 29
Where does fertilisation take place?

  • Fertilisation: The process in which a sperm cell fuses with an egg cell to form a zygote, which eventually develops into an embryo.

  • Location: Fertilisation takes place in the Fallopian tube of the female reproductive system.


Explanation:

  • The female reproductive system consists of several organs, including the uterus, vagina, fallopian tubes, and cervix.

  • During sexual intercourse, sperm is deposited in the vagina.

  • The sperm then travels through the cervix and enters the uterus.

  • From the uterus, the sperm continues its journey through the Fallopian tube.

  • If an egg is present in the Fallopian tube, fertilisation can occur.

  • The sperm penetrates the egg, and their genetic material combines to form a zygote.

  • The zygote then implants itself in the uterus, where it develops into an embryo.


Conclusion:

  • Fertilisation takes place in the Fallopian tube of the female reproductive system.

  • It is the process of sperm fusing with an egg to form a zygote.

  • The zygote then develops into an embryo and implants itself in the uterus.

BPSC TGT Math & Science Mock Test - 2 - Question 30

Select the incorrect sentence.

Detailed Solution for BPSC TGT Math & Science Mock Test - 2 - Question 30

Tendons are, in fact, fibrous tissues that connect muscles to bones. They are strong and dense, providing a mechanism for muscle contraction to move bones. Describing tendons as non-fibrous and fragile is inaccurate.

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