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BPSC TGT Math & Science Mock Test - 4 - Bihar PGT/TGT/PRT MCQ


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30 Questions MCQ Test - BPSC TGT Math & Science Mock Test - 4

BPSC TGT Math & Science Mock Test - 4 for Bihar PGT/TGT/PRT 2024 is part of Bihar PGT/TGT/PRT preparation. The BPSC TGT Math & Science Mock Test - 4 questions and answers have been prepared according to the Bihar PGT/TGT/PRT exam syllabus.The BPSC TGT Math & Science Mock Test - 4 MCQs are made for Bihar PGT/TGT/PRT 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for BPSC TGT Math & Science Mock Test - 4 below.
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BPSC TGT Math & Science Mock Test - 4 - Question 1

Direction: Choose the correct pronoun to fill in the blanks.
Q. She will complete the work ______.

Detailed Solution for BPSC TGT Math & Science Mock Test - 4 - Question 1

'herself' is refers to the female pronoun 'she'. The other pronouns do not match the sentence.

BPSC TGT Math & Science Mock Test - 4 - Question 2

निम्नलिखित प्रश्न में, चार विकल्पों में से, उस सही विकल्प का चयन करें जो दिए गए शब्द-युग्म के सही अर्थ का उचित विकल्प हो।

बल-वल

Detailed Solution for BPSC TGT Math & Science Mock Test - 4 - Question 2

बल-वल इसका सही उत्तर विकल्प 3 ताकत-मेघ है। अन्य विकल्प इसके अनुचित हैं।
Key Points

  • बल का अर्थ – ताकत
  • वल का अर्थ – मेघ

Additional Information

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BPSC TGT Math & Science Mock Test - 4 - Question 3

दिए गए चार विकल्पों में से, उस विकल्प का चयन करें जो नीचे दिए मुहावरे का अर्थ व्यक्त करता है।
​आँखों में धूल झोंकना

Detailed Solution for BPSC TGT Math & Science Mock Test - 4 - Question 3

आँखों में धूल झोंकना का अर्थ 'धोखा देना'।

Key Points

  • आँखों में धूल झोंकना- धोखा देना या झांसा देना
  • वाक्य प्रयोग- सरकारी नौकर अपना कार्य न करके सरकार की आँखों में धूल झोंकना रहें हैं।

अन्य विकल्प-

  • ढा़ढ़स बंधाना- तसल्ली देना
  • वाक्य प्रयोग- मोहन का व्यापार में लगा पैसा डूब गया तो सोहन ने उसे समझाते हुए उसका ढाढ्स बधांया।
  • आँख फोड़ना- बड़े ध्यान से पढ़ना
  • वाक्य प्रयोग- परीक्षा के समय श्याम बहुत ध्यान से पढ़ता है।
  • आदर देना- सम्मान करना।
  • वाक्य प्रयोग- हमेशा बड़ो को आदर देना चाहिए।

Additional Information​महत्वपूर्ण मुहावरे-

  • आग लगने पर कुँआ खोदना- पहले से कोई उपाय न कर रखना।
  • अढ़ाई चावल की खिचड़ी अलग पकाना- सबसे अलग सोच-विचार रखना
  • कलम तोड़ना- बहुत सुन्दर लिखना।
  • कौड़ी को भी न पूछना- निकम्मा होना।
  • काफूर होना- भाग जाना।
BPSC TGT Math & Science Mock Test - 4 - Question 4
इनमें से कौन-सा शब्द स्त्रीलिंग है?
Detailed Solution for BPSC TGT Math & Science Mock Test - 4 - Question 4

‘जोंक’ ‘स्त्रीलिंग’ शब्द है। ‘जोंक’ एक प्राणीवाचक शब्द है। कुछ प्राणीवाचक शब्द सदा स्त्रीलिंग होते हैं, जिनमें से एक है ‘जोंक’। जैसे – पत्थर पर जोंक नहीं चिपकती। अतः सही विकल्प जोंक है।

अन्य विकल्प

- मुकुट पुल्लिंग शब्द है। जैसे – पीला ‘मुकुट’ राम का है।

- चुनाव पुल्लिंग शब्द है। जैसे – ‘चुनाव’ का पहला चारण बिहार में है।

- चयन पुल्लिंग शब्द है। जैसे - ‘चयन’ हो गया मेरे दोस्त का
BPSC TGT Math & Science Mock Test - 4 - Question 5

निम्नलिखित प्रश्न में चार विकल्पों में से, उस विकल्प का चयन करें जो दिए गए लोकोक्ति का सही अर्थ वाला विकल्प हो।

खेती पाती बीनती और घोड़े की तंग, अपने हाथ सम्भालिये चाहें लाख लोग होय संग-

Detailed Solution for BPSC TGT Math & Science Mock Test - 4 - Question 5

'खेती पाती बीनती और घोड़े की तंग, अपने हाथ सम्भालिये चाहें लाख लोग होय संग' लोकोक्ति का सही अर्थ वाला विकल्प 'अपना काम स्वयं करो' है।

Key Points

  • खेती करना, चिट्ठी लिखना, बिनती करना (या किसी को मनाना) और घोड़े की तंग कसना, ये सब अपने ही हाथ से करना चाहिए। यदि लाख आदमी भी साथ हों, तब भी किसी पर भरोसा नहीं करना चाहिए।
  • स्वयं का अर्थ खुद से करने से है।

अन्य विकल्पों का विश्लेषण -

Additional Information

  • लोकोक्ति का शाब्दिक अर्थ होता है – लोक + उक्ति।
  • जहाँ लोक का अर्थ संसार व उक्ति का अर्थ कहावत है।
  • अर्थात् लोक व्यवहार में प्रचलित वह उक्ति, जो वर्षों के अनुभव के द्वारा एक वाक्य में प्रयोग की जाती है, लोकोक्ति या कहावत कहलाती है।
BPSC TGT Math & Science Mock Test - 4 - Question 6
निम्नलिखित प्रश्न में, चार विकल्पों में से, उस विकल्प का चयन करें जो बहुवचन रूप का सबसे अच्छा विकल्प है।
Detailed Solution for BPSC TGT Math & Science Mock Test - 4 - Question 6

'बाल' बहुवचन रूप का सबसे अच्छा विकल्प है।Key Points

  • बहुवचन - शब्द के जिस रूप से यह बोध होता है कि वस्तु एक से अधिक है।
  • उदाहरण - बाल, प्राण, हस्ताक्षर आदि

Additional Information अन्य उदाहरण -

BPSC TGT Math & Science Mock Test - 4 - Question 7

'तुमने मुझसे आग्रह किया कि इसे गुप्त रहस्य ही रहने दीजिए'

उपर्युक्त वाक्य के किस भाग में अशुद्धि है?

Detailed Solution for BPSC TGT Math & Science Mock Test - 4 - Question 7

उपर्युक्त वाक्य में "गुप्त रहस्य ही" भाग में अशुद्धि है।

  • अतः शुद्ध वाक्य -'तुमने मुझसे आग्रह किया कि इसे रहस्य ही रहने दीजिए।

Key Points

  • इस वाक्य में "गुप्त रहस्य ही" के स्थान पर "रहस्य ही" आएगा।
  • यहा गुप्त शब्द का अनावश्यक प्रयोग हुआ है।
  • वाक्य में पुनरुक्ति सम्बन्धी अशुद्धि है।

Additional Information

पुनरुक्ति दोष के उदाहरण -

BPSC TGT Math & Science Mock Test - 4 - Question 8

If a man is standing at a point C, how far and in which direction is point F w.r.t point C?

Detailed Solution for BPSC TGT Math & Science Mock Test - 4 - Question 8

According to the information given in the question, we can draw the following diagram.

BC = 24 m
FC = ED = 12 m
FC = 12 m
Thus point F is in the west w.r.t to point C and 12 m from point C.
Hence, the correct answer is "12 m west".

BPSC TGT Math & Science Mock Test - 4 - Question 9

In a class, 60% of the strength are boys and the rest are girls. If 80% of the boys and three-fourth of the girls are present in the class, what is the percentage of strength which is absent in the class?

Detailed Solution for BPSC TGT Math & Science Mock Test - 4 - Question 9

Let total students = 100
Boys = 60
Girls = 40
Absent boys = (100 – 80)% of 60 = 12

So the answer = (10 + 12)% = 22%
Hence, Option B is correct.

BPSC TGT Math & Science Mock Test - 4 - Question 10

The name of the famous mathematician who is credited with discovering the total value of the very first 100 natural numbers is

Detailed Solution for BPSC TGT Math & Science Mock Test - 4 - Question 10

Gauss is the great mathematician who is credited with discovering the total value of the first 100 natural numbers.

BPSC TGT Math & Science Mock Test - 4 - Question 11

617 + 6.017 + 0.617 + 6.0017 = ?

Detailed Solution for BPSC TGT Math & Science Mock Test - 4 - Question 11

BPSC TGT Math & Science Mock Test - 4 - Question 12
Why are zoos considered centers for wildlife conservation and environmental education?
Detailed Solution for BPSC TGT Math & Science Mock Test - 4 - Question 12
Over the years, zoos have transformed into centers for wildlife conservation and environmental education, playing a crucial role in species conservation and educating the public about biodiversity.
BPSC TGT Math & Science Mock Test - 4 - Question 13

Which dynasty built the Red Fort in Delhi?

Detailed Solution for BPSC TGT Math & Science Mock Test - 4 - Question 13

The Red Fort in Delhi was built by the Mughal dynasty.

BPSC TGT Math & Science Mock Test - 4 - Question 14

The general formula CnH2n+2 represents which type of hydrocarbons?

Detailed Solution for BPSC TGT Math & Science Mock Test - 4 - Question 14

The general formula CnH2n+2 represents alkanes. Alkanes are saturated hydrocarbons with single covalent bonds between carbon atoms.

BPSC TGT Math & Science Mock Test - 4 - Question 15

The H.C.F. of two numbers is 96 and their L.C.M. is 1296. If one of the number is 864, the other is

Detailed Solution for BPSC TGT Math & Science Mock Test - 4 - Question 15

Using Rule 1 :
1st number × 2nd number = L.C. M. × H.C.F,
First number × Second number = HCF × LCM
⇒ 864 × Second number
= 96 × 1296 ⇒ Second number

BPSC TGT Math & Science Mock Test - 4 - Question 16
What is the primary characteristic of direct current?
Detailed Solution for BPSC TGT Math & Science Mock Test - 4 - Question 16
Direct current is characterized by the continuous movement of electrons from an area of high electron density to an area of low electron density.
BPSC TGT Math & Science Mock Test - 4 - Question 17

If ∠OAB = 40° then ∠ACB is equal to:

Detailed Solution for BPSC TGT Math & Science Mock Test - 4 - Question 17

In ΔQAB, OA = OB [both are the radius of a circle]
∠OAB = ∠OBA ⇒ ∠OBA = 40°
[angles opposite to equal sides are equal] Also, ∠AOB + ∠OBA + ∠BAO = 180°
[by angle sum property of a triangle]
∠AOB + 40° + 40° = 180°
⇒ ∠AOB = 180° – 80° = 100°
We know that, in a circle, the angle subtended by an arc at the centre is twice the angle subtended by it at the remaining part of the circle.
∠AOB = 2 ∠ACB ⇒ 100° =2 ∠ACB
∠ACB = 100°/2 = 50°

BPSC TGT Math & Science Mock Test - 4 - Question 18

If p(x) = ax2 + bx + c and a + c = b, then one of the zeroes is

Detailed Solution for BPSC TGT Math & Science Mock Test - 4 - Question 18

BPSC TGT Math & Science Mock Test - 4 - Question 19

An exterior angle of a triangle is 800 and the interior opposite angles are in the ratio 1 : 3. Measure of each inte4rior opposite angle is :

Detailed Solution for BPSC TGT Math & Science Mock Test - 4 - Question 19

Let the interior angles be x and 3x 

We know that exterior angle of triangle is equal to sum of interior opposite angles.

⇒ x+3x=80

⇒ 4x=80

⇒ x=20

So the angles are 

x=20

3x=3×20

= 60∘

BPSC TGT Math & Science Mock Test - 4 - Question 20

Which of the following is not a quadratic equation?

Detailed Solution for BPSC TGT Math & Science Mock Test - 4 - Question 20

BPSC TGT Math & Science Mock Test - 4 - Question 21

In the adjoining figure, AB = BC and ∠ABD = ∠CBD, then another angle which measures 30 is

Detailed Solution for BPSC TGT Math & Science Mock Test - 4 - Question 21

The two triangles are congruent by SAS congruency.

BPSC TGT Math & Science Mock Test - 4 - Question 22

If sin θ = 5/13 then cos θ =

Detailed Solution for BPSC TGT Math & Science Mock Test - 4 - Question 22


 

BPSC TGT Math & Science Mock Test - 4 - Question 23

A ladder 14m long rests against a wall. If the foot of the ladder is 7m from the wall, then the angle of elevation is

Detailed Solution for BPSC TGT Math & Science Mock Test - 4 - Question 23

Let AC be the ladder of lenth 14 m and BC = 7 m

Let angle of elevation ∠ACB = θ ∴ cos θ = BC/AC

BPSC TGT Math & Science Mock Test - 4 - Question 24

Direction: Ladli Scheme was launched by the Delhi Government in the year 2008. This scheme helps to make women strong and will empower a girl child. This scheme was started in 2008.

Read the above bar graph and answer the following questions :

Q. Which statement is incorrect about bar graph?

Detailed Solution for BPSC TGT Math & Science Mock Test - 4 - Question 24
There are no gaps in between consecutive rectangles.

Given statement is incorrect as there is gap in between consecutive rectangles in a bar graph.

BPSC TGT Math & Science Mock Test - 4 - Question 25

Total internal reflecting mirrors are preferred over plane mirrors because

Detailed Solution for BPSC TGT Math & Science Mock Test - 4 - Question 25

Whenever there is reflection on any surface there is refraction also beneath the surface. 
The energy of the incident beam is partially reflected and partially absorbed. 
Even a good mirror reflects nearly 80%of the incident light only. 
At normal incidence (Incident perpendicular to the surface) there is no reflection and all the light rays pass through the surface. 
When a ray passes through a denser medium and tries to enter a rarer medium and if the angle of incidence is more than the critical angle, we say there is total internal reflection. 
The total here implies that there is no refraction at all. The entire ray is refracted. 
 
Therefore when we use totally reflecting prisms, there is no energy lost due to normal incidence from air to glass and there is TOTAL (no partial refraction) reflection inside the prism. 
Thus the light is reflected almost 100% in totally reflecting prisms and hence they are preferred even though it costs high.
 

BPSC TGT Math & Science Mock Test - 4 - Question 26

According to Huygens construction relation between old and new wave fronts is

Detailed Solution for BPSC TGT Math & Science Mock Test - 4 - Question 26

The Huygens-Fresnel principle states that every point on a wavefront is a source of wavelets. These wavelets spread out in the forward direction, at the same speed as the source wave. The new wavefront is a line tangent to all of the wavelets.
The correct answer is option B.

BPSC TGT Math & Science Mock Test - 4 - Question 27

A point object is kept in front of a plane mirror. The plane mirror is doing SHM of amplitude 2cm. The plane mirror moves along the x-axis and x-axis is normal to the mirror. The amplitude of the mirror is such that the object is always infront of the mirror. The amplitude of SHM of the image is

Detailed Solution for BPSC TGT Math & Science Mock Test - 4 - Question 27

Assume the mirror is at the origin and it is moving about the origin along x direction between x = -2 and x = +2 as its extreme positions.
Assume that the object is placed at co=ordinate of x = - (2+x)
So, when mirror is at position x = -2, the object's image will be formed at x coordinate X = - 2+x 
And when the mirror is at position x = +2, the image is formed at X = 6+x 
So, the net difference in the position of image between these 2 co-ordinates is ( 6 + x  ) - ( -2 + x ) = 8
So, the amplitude will be half of this distance. So the answer is 8/2 = 4 cm. 
Option C is correct.
 

BPSC TGT Math & Science Mock Test - 4 - Question 28

In polysaccharides, the linkage connecting monosaccharides is called:

Detailed Solution for BPSC TGT Math & Science Mock Test - 4 - Question 28
  • Disaccharides on hydrolysis with dilute acids or enzymes yield two molecules of either the same or different monosaccharides.
  • The two monosaccharides are joined together by an oxide linkage formed by the loss of a water molecule. Such a linkage between two monosaccharide units through oxygen atom is called glycosidic linkage.
BPSC TGT Math & Science Mock Test - 4 - Question 29

To protect tooth decay, we are advised to brush our teeth regularly. The nature of the toothpaste commonly used is:

Detailed Solution for BPSC TGT Math & Science Mock Test - 4 - Question 29

Decay of teeth is because of the sweetening agents we eat as it increases the acidity inside the mouth, which can be prevented if the toothpaste used is alkaline or basic in nature. Baking soda or sodium hydrogen carbonate is also used to clean the teeth as it is alkaline in nature.

BPSC TGT Math & Science Mock Test - 4 - Question 30

A pea plant shows the genetic makeup TtRr. How will the plant appear externally ?

Detailed Solution for BPSC TGT Math & Science Mock Test - 4 - Question 30

Tall with round seeds

Since tallness of plant and round shape of seeds are dominant characters, these will be expressed in F2 generation.

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