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KVS PRT Mock Test - 7 - KVS PGT/TGT/PRT MCQ


Test Description

30 Questions MCQ Test - KVS PRT Mock Test - 7

KVS PRT Mock Test - 7 for KVS PGT/TGT/PRT 2024 is part of KVS PGT/TGT/PRT preparation. The KVS PRT Mock Test - 7 questions and answers have been prepared according to the KVS PGT/TGT/PRT exam syllabus.The KVS PRT Mock Test - 7 MCQs are made for KVS PGT/TGT/PRT 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for KVS PRT Mock Test - 7 below.
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KVS PRT Mock Test - 7 - Question 1

Directions: In each of the following questions, a sentence has been given in Active (or Passive) Voice. Out of the four alternatives suggested, select the one that best expresses the same sentence in Passive/ Active Voice.

India won freedom with the blood and sweat of hundreds and thousands of Indians.

Detailed Solution for KVS PRT Mock Test - 7 - Question 1

The given sentence is in active form of simple past tense. The structures for active/passive voices are:

Active: Subject + verb (IInd form) + object...

Passive: Object + was/were + verb (IIIrd form) + by + subject...

The question statement is in simple past tense, so the converted statement too should be in the same.

This eliminates options (b) & (c).

Out of options (a) and (d), the latter has ambiguities in the meaning.

So, the correct response is option (a).

KVS PRT Mock Test - 7 - Question 2

अभिशाप का विलोम है -

1 Crore+ students have signed up on EduRev. Have you? Download the App
KVS PRT Mock Test - 7 - Question 3

छाती पर मूंग दलना का अर्थ है -

KVS PRT Mock Test - 7 - Question 4
दिए गए शब्दों में शुद्ध वर्तनी का चयन कीजिए।
Detailed Solution for KVS PRT Mock Test - 7 - Question 4

गरिष्ठ शब्द की वर्तनी शुद्ध है।Key Points

  • शुद्ध वर्तनी - जिस शब्द में जितने वर्ण या अक्षर जिस अनुक्रम में प्रयुक्त होते है उन्हें उसी क्रम में लिखना ही वर्तनी है।
  • उदाहरण - अहार-आहार, अत्याधिक-अत्यधिक, अलोचना-आलोचना आदि।

Additional Informationअन्य उदाहरण -

KVS PRT Mock Test - 7 - Question 5
किस विकल्प में मूल शब्द एवं प्रत्यय का विभाजन दोषपूर्ण है?
Detailed Solution for KVS PRT Mock Test - 7 - Question 5

मारुति - मारुत + ई विकल्प में मूल शब्द एवं प्रत्यय का विभाजन दोषपूर्ण है

Key Points

  • 'मारुति = मारुत +'
  • मारुति शब्‍द में 'मारुत' मूल शब्‍द और 'इ' प्रत्‍यय है।
  • मारुत का अर्थ- पवन, वायु।
  • प्रत्यय -वे शब्द जो दूसरे शब्द के अंत में जुड़कर उनका अर्थ बदल दें।
  • उदाहरण - लेख+अक =लेखक

Additional Informationअन्य उदाहरण -

KVS PRT Mock Test - 7 - Question 6

To add a new row to a table, you would

Detailed Solution for KVS PRT Mock Test - 7 - Question 6

To add a new row to a table, you would not use any of the options mentioned in the given choices. The correct method depends on the software or application you are using to work with tables. Here are some common methods to add a new row:
1. Using the Table Tools:
- If you are using Microsoft Word or PowerPoint, select the table and go to the "Table Tools" tab.
- Click on the "Layout" tab within Table Tools.
- In the "Rows & Columns" group, click on the "Insert Below" or "Insert Above" button to add a new row.

2. Using the Context Menu:
- Right-click anywhere within the table.
- From the context menu, select "Insert" or "Insert Rows".
- Choose the option to insert a row above or below the current row.

3. Using Keyboard Shortcuts:
- Place the cursor in a cell of the row above or below where you want to insert the new row.
- Press the "Tab" key to move to the next cell or "Shift + Tab" to move to the previous cell.
- Press the "Enter" key to add a new row below or press "Ctrl + Enter" to add a new row above.

4. Using Drag and Drop:
- If your software supports it, you can click and drag the bottom border of an existing row to create space for a new row.
- Release the mouse button to insert a new row in the desired position.

It is important to note that the specific method may vary depending on the software or application you are using. Always refer to the software's documentation or help resources for the most accurate instructions.
KVS PRT Mock Test - 7 - Question 7

The smallest object in size that can be displayed on a monitor is called ______.

Detailed Solution for KVS PRT Mock Test - 7 - Question 7
The smallest object in size that can be displayed on a monitor is called the Dot Pitch.

Dot Pitch refers to the physical distance between each pixel on a display screen. It is measured in millimeters and determines the sharpness and clarity of the image displayed on the monitor. A smaller dot pitch indicates a higher resolution and better image quality.


Other options mentioned in the question:


A. Picture element:
- Also known as a pixel, it is the smallest unit of information in a digital image.
- A pixel is made up of three sub-pixels (red, green, and blue) and represents a specific color or shade.
B. Point:
- A unit of measurement used in typography and printing.
- One point is equal to 1/72 inch and is used to determine the size of fonts and other graphical elements.
D. Aspect ratio:
- The ratio of the width to the height of a display screen.
- It determines the shape and dimensions of the screen and affects how content is displayed.

Therefore, the correct answer is C. Dot Pitch, as it specifically refers to the smallest object in size that can be displayed on a monitor.

KVS PRT Mock Test - 7 - Question 8

You can embed a Microsoft Word table in a slide by

Detailed Solution for KVS PRT Mock Test - 7 - Question 8

To embed a Microsoft Word table in a slide, you can follow the steps below:
Method: Both (a) and (c)
Option A:
1. Click on the "Insert New Slide" button located on the standard toolbar. This will create a new slide.
2. Double-click on the "Table" option in the insert menu. This will insert a default table onto the slide.
Option C:
1. Click on the "Insert Microsoft Word Table" button located on the standard toolbar. This button is represented by a small table icon.
2. This will open a dialog box where you can specify the number of rows and columns for your table.
3. After entering the desired values, click on the "OK" button to insert the table onto the slide.
By following either of these methods, you can embed a Microsoft Word table in a slide in Microsoft PowerPoint.
KVS PRT Mock Test - 7 - Question 9

PTA is useful for any school and organization to:

Detailed Solution for KVS PRT Mock Test - 7 - Question 9

Parents send their children to school for education. School educates children. Both are interested in children's progress and both are answerable to each other but we have experienced that illiterate and uneducated parents do not understand the importance of education, so sometimes they could not provide a good educational environment for their children. 

  • On the other hand, educated parents are often busy with their professional work. They might not find time to keep in contact with the school. It, thus, becomes the responsibility of the school to ensure the growth and development of children.
  • Parents think that teachers do not teach well in school. Both are blaming each other. But both are equally responsible for the child's progress, so both have to take interest in the child's growth and development. In such a situation the Parent Teacher Association is a necessity.

Key Points

  • ​Parent Teacher Association is a school-based association of parents and teachers for promoting closer relations, providing continuous support to the child at home and in school, and providing feedback to the school for improving the child's learning environment at school.
  •  Apart from getting an opportunity to know the progress of their children, PTA is useful for any school and organization to involve parents in the improvement of school functioning.
  •  In PTA, a group of parents and teachers discuss several matters associated with the students and come up with strategies for the improvement in the overall functioning of the school.

Thus, it is concluded that PTA is useful for any school and organization to involve parents for the improvement of school functioning.

KVS PRT Mock Test - 7 - Question 10
Why do teachers use computer in classroom?
Detailed Solution for KVS PRT Mock Test - 7 - Question 10

Computers are an effective tool for teaching and learning processes. There are numerous advantages of having a computer in a classroom, including the potential to provide more interesting activities for kids and the opportunity to create more personalized teaching.

Key Points

  • Computers in the classroom are becoming more common and they can be utilized to assist students to share work, participate in numerous activities, allow real-time communication to enhance or expand lessons and gain information.
  • Computers are enjoyable and most students learn and retain more information when they are having "fun while studying". It encourages hands-on activities in the classroom.
  • Using computers to aid classroom teaching benefits both, students and teachers by allowing teachers to impart more knowledge to their students.
  • "Audiovisual experiences" make learning more persistent and durable because of the use of more sense organs i.e. when a child learns through maximum use of his sense organs, his knowledge becomes permanent.

Hence, we can conclude that teachers use computers in the classroom to provide enriched audio-visual experiences.

Hint 

  • The teachers may use a computer to avoid paperwork and to assess the progress of children but they never use a computer to show that they are techno-savvy.
  • But the most important reason for using a computer in the classroom by a teacher is to provide enriched audio-visual experiences to children to facilitate their process of learning.
KVS PRT Mock Test - 7 - Question 11

What is the action mechanism in the context of motor skills?

I. An increasingly complex combination of skills.

II. This allows a wider or more precise range of circulation and greater control of the environment.

Detailed Solution for KVS PRT Mock Test - 7 - Question 11

Motor Development : The newborn’s movements are governed by reflexes — which are automatic, built-in responses to stimuli. They are genetically-carried survival mechanisms, and are the building blocks for subsequent motor development. Before the newborns have had the opportunity to learn, reflexes act as adaptive mechanisms. Some reflexes present in the newborn — coughing, blinking, and yawning persist throughout their lives.Key Points

  • As the brain is developing, physical development also progresses. As the infant grows, the muscles and nervous system mature which lead to the development of finer skills. Basic physical (motor) skills include grasping and reaching for objects, sitting, crawling, walking and running. The sequence of physical (motor) development is universal, with minor exceptions.
  • The complex combination of skills increase in context of action mechanism of motor development. This is because the development proceeds from general to specific and simple to complex. As the child grows he/she learns complex motor skills which were not possible by them in their initial stage of motor development.
  • An increasingly complex combination of skills allows a wider or more precise range of circulation and greater control of the environment because here motor development reaches another level where the child is able to perform more complex actions where he/she gains more control over the environment.

Hence, we can conclude that both the above statement are correct regarding action mechanism.

KVS PRT Mock Test - 7 - Question 12
Operant Conditioning Theory was propounded by
Detailed Solution for KVS PRT Mock Test - 7 - Question 12

Learning takes place in many ways. The simplest kind of learning is called conditioning. Two types of conditioning have been identified. The first one is called classical conditioning, and the second instrumental/operant conditioning.

Key Points

Instrumental/operant conditioning:

  • This type of conditioning was first investigated by B.F. Skinner.
  • Skinner studied the occurrence of voluntary responses when an organism operates in the environment. He called them operants.
  • Operants are those behaviors or responses, which are emitted by animals and human beings voluntarily and are under their control.
  • The term operant is used because the organism operates on the environment.
  • Conditioning of operant behavior is called operant conditioning.

Important Points

SKINNER’S EXPERIMENT WITH RAT         

  • Skinner developed a special apparatus known as a skinner’s box.
  • This box has a grid floor, a system of light, or sound produced at the time of delivery of a pellet of food, in the food cup, on the pressing of the lever.
  • Skinner placed a hungry rat in the box.
  • In this experiment, pressure on the bar in a certain way, by the rat could result in the production of a click and emergence of a food pellet.
  • The rat was rewarded for each proper pressing of the lever.
  • The rat repeated this process and ultimately learned to press the lever desired by the experimenter.

Hence, it could be concluded that 'Operant conditioning' theory was propounded by Skinner.Additional Information

  • Ivan Pavlov, a Russian psychologist has propounded the 'Theory oClassical Conditioningwhich emphasizes that learning as a habit formation is based on the principle of association and substitution.
  • E. L. Thorndike, an American psychologist has propounded the Stimulus-Response Theory (S-R Theory). In his theory, he emphasizes that learning is the result of associations forming between stimulus and responses.
  • Wolfgang Kohler, a German psychologist, is associated with the ‘Theory of Insightful learning’. In his theory, he has proposed the term ‘Insight’ that doesn't take place with trial & error, rather than it is a sudden reorganization of experience.
KVS PRT Mock Test - 7 - Question 13

Direction: Choose the appropriate preposition for the given sentence.

A man threw a stone _______ the speaker and it hit him on his head.

Detailed Solution for KVS PRT Mock Test - 7 - Question 13

The correct answer is 'at.'

Key Points

  • The meaning of the phrase "throw at" is to toss someone, something, or oneself in the direction of someone or something else.
    • Example: He crumpled up the contract and threw it at the bank manager.
  • A noun or pronoun is used between "throw" and "at."
  • In this sentence, a noun "stone" is used between "threw" and "at."
  • The given sentence says that when a man tossed a stone at the speaker, it struck him in the head.
  • Therefore, the correct answer is Option 1.

Correct sentence: A man threw a stone at the speaker and it hit him on his head.

KVS PRT Mock Test - 7 - Question 14

Change the given sentence into present continuous tense.

Rohan plays soccer in the field near the market.

Detailed Solution for KVS PRT Mock Test - 7 - Question 14

The correct answer is "Rohan is playing soccer in the field near the market."

Key Points

  • The given sentence is in the simple present tense. (दिया गया वाक्य सरल वर्तमान काल का है।)
  • The structure of the sentence in present continuous tense (अपूर्ण वर्तमान काल) - Subject + am/is/are + present participle (verb + ing) + Object.
    • ​Example: They are playing baseball.

Therefore, option 3 shows the sentence correctly in the present continuous tense.

The correct sentence: Rohan is playing soccer in the field near the market.

Additional Information

  • In the English language, there are four primary forms of the present tense, namely:
    • Simple Present Tense
      • Example - My son lives in London.
    • Present Continuous Tense​​
      • Example- ​The dog is barking.
    • Present Perfect Tense​
      • Example- I have lived in Delhi for three years.
    • Present Perfect Continuous Tense
      • ​Example- She has been spending too much money.
KVS PRT Mock Test - 7 - Question 15

Select the segment of the sentence that contains a grammatical error.

There are many different groups in the city that work to help those less fortunate, such as the homeless and those living with poverty.

Detailed Solution for KVS PRT Mock Test - 7 - Question 15

The erroneous part is option 4) i.e. 'and those living with poverty.'

Key Points

  • The error lies in the part 'and those living with poverty.'
  • According to the rules of prepositions, 'with' is used to say that people or things are in a place together or to denote an instrument.
  • Example:
    • He killed the snake with a stick.
  • Whereas the preposition 'in' is used to denote when something is inside another thing; to denote unspecified times, months, years, and seasons; to indicate inclusion within something abstract or immaterial.
  • Example:
    • He is living his life in happiness and luxury.
  • Here the word 'poverty' is an abstract noun.
  • Therefore in the given sentence, we need to use 'in' in place of 'with' to make the sentence grammatically correct.
  • Hence, the correct answer is option 4.

Correct sentence: There are many different groups in the city that work to help those less fortunate, such as the homeless and those living in poverty.

KVS PRT Mock Test - 7 - Question 16
This book is your book The underlined word can be replaced by
Detailed Solution for KVS PRT Mock Test - 7 - Question 16

The correct answer is 'yours'.

Key Points

  • Possessive pronoun/possessive adjectives refer to something that belongs to someone or something someone owns. It specifies one's ownership. Possessive adjective includes its, your, his, her, my, our, and their. Possessive adjectives never use apostrophes. Possessive pronouns include mine, ours, hers, theirs, its, and his.
  • A possessive pronoun shows possession of a noun by replacing it. In other words, independent possessive pronouns must stand alone and be used without a noun.
  • Possessive adjectives, unlike possessive pronouns, replace nouns. Possessive adjectives go before nouns to modify them. They can't stand alone.
  • Here, only option 1) shows possessive pronouns.
  • All the others do not show such meaning.

Hence, option 1) yours is the correct answer.

Complete Sentence

This book is yours.

KVS PRT Mock Test - 7 - Question 17
दिए गए शब्दों में से नित्य एकवचन में प्रयोग होने वाला कौन-सा शब्द नहीं है?
Detailed Solution for KVS PRT Mock Test - 7 - Question 17

दिए गए विकल्पों में सही उत्तर हस्ताक्षर होगा। अन्य विकल्प अनुचित उत्तर होंगे।

Key Points

  • दिए गए शब्दों में से नित्य एकवचन में प्रयोग होने वाला हस्ताक्षर शब्द नहीं है।
  • हस्ताक्षर सदा बहुवचन के रूप में प्रयोग होता है।
  • जनता, आकाश और पानी नित्य एकवचन शब्द हैं।
  • कुछ शब्द सदैव बहुवचन में प्रयोग किये जाते हैं - दर्शन, प्राण, आँसू, बाल, लोग, हस्ताक्षर आदि।
  • कुछ शब्द सदैव एकवचन में प्रयोग किये जाते हैं - पानी, तेल, घी, दूध, आकाश, बारिश, जनता आदि।
Additional Information
KVS PRT Mock Test - 7 - Question 18
निम्नलिखित में ‘सोना' का पर्यायवाची शब्द नहीं है :
Detailed Solution for KVS PRT Mock Test - 7 - Question 18

‘सोना' का पर्यायवाची शब्द नहीं है -

  • ‘सोना' का पर्यायवाची शब्द है - स्वर्ण, कंचन, कनक, सुवर्ण, हाटक, हिरण्य, जातरूप, हेम
  • 'बर्फी' का पर्यायवाची शब्द है - तुषार, हिम, तुहिन, नीहार।

Key Points

  • जो शब्द समान अर्थ के कारण किसी दूसरे शब्द की जगह ले लेते हैं उन्हें पर्यायवाची शब्द कहते है।

Additional Information कुछ अन्य महत्वपूर्ण पर्यायवाची शब्द:-

  • गृह - घर, निकेतन, भवन, आलय,निवास, गेह, सदन, आगार, आयतन, आवास, निलय, धाम।
  • जल - वारि, पानी, नीर, सलिल, तोय, उदक, अंबु, जीवन, पय, अमृत, मेघपुष्प।
  • नदी - सरिता, तटिनी, तरंगिणी, निर्झरिणी, आपगा, निम्नगा, कूलंकषा।
  • असुर - राक्षस, दैत्य, दानव, निशाचर, दनुज, यातुधान, निशिचर, रजनीचर।
  • आकाश - व्योम, शून्य, गगन, अम्बर, आसमान, अंतरिक्ष, नभ, धौ, अनंत।
  • हवा - पवन, वायु, समीर, अनिल, वात, मरुत्, पवमान, बयार, प्रकंपन।
  • साँप - सर्प, नाग, विषधर, व्याल, भुजंग, उरग, अहि पन्नग।
  • जंगल - वन, कानन, बीहड़, विटप, विपिन।
KVS PRT Mock Test - 7 - Question 19
निम्नलिखित में असंगत विलोमार्थी शब्द-युग्म है :
Detailed Solution for KVS PRT Mock Test - 7 - Question 19

असंगत विलोमार्थी शब्द-युग्म है - 'तीव्र - तरल'

  • तीव्र - तेज़, तीक्ष्ण, अत्यधिक, अत्यंत।
    • विलोम शब्द - 'मन्द'
    • अर्थ: धीमा, सुस्त
  • तरल - बहनेवाला पदार्थ, द्रव
    • विलोम शब्द - 'ठोस'
    • अर्थ: जो दबाने से न दबता हो, पक्का।

Key Pointsअल्पज्ञ:-

  • अर्थ: कम जानने वाला, कम ज्ञान रखने वाला, अबोध।
    • विलोम शब्द - 'बहुज्ञ'
    • अर्थ: बहुत-सी बातों का ज्ञान रखने वाला।

जटिल:-

  • अर्थ: कठिन, दुर्बोध, जो आसानी से सुलझ न सके।
    • विलोम शब्द - 'सरल'
    • अर्थ: सीधा, ऋजु, जो टेढ़ा न हो।

ग्राह्य:-

  • अर्थ: जो देखा सुना और पहचाना जा सकता हो।
    • विलोम शब्द - 'त्याज्य'
    • अर्थ: जो त्यागने या छोड़ने योग्य हो।
KVS PRT Mock Test - 7 - Question 20
निम्नलिखित प्रश्न में, चार विकल्पों में से, उस विकल्प का चयन करें जो बहुवचन रूप का सबसे अच्छा विकल्प है।
Detailed Solution for KVS PRT Mock Test - 7 - Question 20

'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 -

KVS PRT Mock Test - 7 - Question 21

Observe the following pattern and select the next term:

(9 – 1) ÷ 8 = 1

(98 – 2) ÷ 8 = 12

(987 – 3) ÷ 8 = 123

(9876 – 4) ÷ 8 = 1234

___________ = ______

Detailed Solution for KVS PRT Mock Test - 7 - Question 21

Calculation:

(9 - 1) ÷ 8 = 1

(98 - 2) ÷ 8 = 12

(987 - 3) ÷ 8 = 123

(9876 - 4) ÷ 8 = 1234

(98765 - 5) ÷ 8 = 12345

KVS PRT Mock Test - 7 - Question 22

The area of the rectangle is 1/3rd of the area of the square. The area of the square is 576 cm2. If breadth of rectangle is 12 cm. What is the perimeter of rectangle ?

Detailed Solution for KVS PRT Mock Test - 7 - Question 22

Given:

Area of the rectangle = (1/3) × The area of the square

Area of the square = 576 cm2

Breadth of the rectangle = 12 cm

Formula:

Area of rectangle = Length × Breadth

Perimeter of rectangle = 2 × (Length + Breadth)

Calculation:

Area of the rectangle = (1/3) × 576 cm2 = 192 cm2

According to the question,

⇒ 192 = Length × 12

⇒ Length = 16 cm

The perimeter of the rectangle

⇒ 2 × (16 + 12)

⇒ 2 × 28 = 56 cm

∴ The perimeter of the rectangle is 56 cm.

KVS PRT Mock Test - 7 - Question 23

There is a triangle ABC in which a median AD is drawn from A to side BC. Find out the area of the triangle ABC if the length of sides AB, BC and AD are respectively 10 cm, 18 cm and √41 cm.

Detailed Solution for KVS PRT Mock Test - 7 - Question 23

Given :

Length of side AB, BC and AD are respectively 10 cm, 18 cm and √41 cm.

AD is the median in triangle ABC

Concept used :

Apollonius theorem

Heron’s formula

Calculations :

According to Apollonius theorem for triangle ABC

(AB)2 + (AC)2 = 2(AD)2 + 2(BD)2 (AD is the median and BD = (BC)/2)

102 + (AC)2 = 2(√41)2 + 2(9)2 (BD = 9 cm, median AD divides line BC in 2 equal parts)

AC2 = 144

AC = 12

Now using heron’s formula to get the area of the triangle ABC

Area of the triangle = √[S × (S – AB) × (S – BC) × (S – CA)] (Semiperimeter(S) = (AB + BC + CA)/2)

S = (10 + 18 + 12)/2 = 20

Putting S = 20, AB = 10, BC = 18 and CA = 12 in the given formula

Area of triangle = √20 × (20 – 10) × (20 – 18) × (20 – 12)

⇒ √(20 × 10 × 2 × 8)

⇒ 40√2 cm2

∴ The area of the triangle will be 40√2 cm2

KVS PRT Mock Test - 7 - Question 24

In a quadrilateral ABCD, with unequal sides if the diagonals AC and BD intersect at right angles, then.

Detailed Solution for KVS PRT Mock Test - 7 - Question 24

In the above quadrilateral ABCD, we can apply Pythagoras theorem:

⇒ AB2 = AM2 + MB2 ----1

⇒ CD2 = MD2 + MC2 ----2

⇒ AD2 = AM2 + MD2 -----3

⇒ BC2 = MB2 + MC2 ----4

Adding equation 1 and 2,

⇒ AB2 + CD2 = MD2 + MC2 + AM2 + MB2 --5

Adding equation 3 and 4

⇒ AD2 + BC2 = AM2 + MD2 + MB2 + MC2 ---6

We see that RHS of equation 5 and 6 are same so we equate the LHS of equation 5 and 6 we get:

⇒ AB2 + CD2 = AD2 + BC2

KVS PRT Mock Test - 7 - Question 25
How does a blacksmith change a piece of iron into different tools?
Detailed Solution for KVS PRT Mock Test - 7 - Question 25

Concept:

Occupation:

  • An occupation is a work or profession done by a person for earning and living purposes.
  • Some examples of occupations are teaching, doctor, blacksmith, engineering, writer etc.

Explanation:

Blacksmith:

  • A blacksmith is a metalworker who primarily works with wrought iron or steel.
  • He/She changes the piece of iron in different forms by heating it to high temperatures and bending it to the desired shape.
  • When heated to high temperatures the metal becomes malleable and becomes easy to handle and shape as per desire.
  • Occasionally they will use other metals, to forge items by hammering, bending, and cutting the metal.
  • Gates, grilles, furniture, sculptures, tools like saws, axe and trowels, agricultural equipment, decorative, cooking utensils, and weaponry are among the things blacksmiths create.

Thus, a blacksmith changes a piece of iron into different tools by heating and then beating it into the desired shape.

Additional InformationDifferent occupation:

KVS PRT Mock Test - 7 - Question 26

Select the correct statement from the following :

Plants of wheat and grass have

Detailed Solution for KVS PRT Mock Test - 7 - Question 26

The correct answer is same type of roots and leaf venation.

Concept:
Roots:

  • In plants, root is the non-green (due to the absence of chlorophyll), cylindrical and descending part that normally grows downwards into the soil.
  • It helps in the absorption and conduction of water and minerals.
  • Roots are mainly of two types:
  • Taproots:
    • A taproot develops from the radicle of the embryo of a seed where other lateral roots arise.
    • They are dicots. Example- Mustard
  • Fibrous roots:
    • Fibrous roots originate from the base of the stem.
    • They are monocots. ​Example- wheat.

Venation:

  • Venation is the arrangement of veins and the veinlets in the lamina of the leaf.
  • When the veinlets form a network, the venation is called reticulate.
  • When the veins run parallel to each other within a lamina, the venation is termed as parallel.

Monocotyledonous plants:

  • In monocotyledonous plants, the primary root is short-lived and is replaced by a large number of roots.
  • These roots originate from the base of the stem and constitute the fibrous root system, as seen in the wheat plant.
  • And in monocotyledonous plants, the venation of leaves is parallel venation.

Dicotyledonous plants:

  • In the majority of the dicotyledonous plants, the direct elongation of the radicle leads to the formation of a primary root which grows inside the soil.
  • The primary roots and its branches constitute the tap root system, as seen in the mustard plant.
  • And in dicotyledonous plants, the venation of leaves is reticulate venation.

Explanation:

  • Wheat and grass are monocot plants.
  • Monocotyledons are grass and grass-like flowering plants (angiosperms) with seeds that typically contain only one embryonic leaf or cotyledon.
  • As they are both monocot plants, they have the same type of roots and leaf venation.
  • The leaves of monocot plants have parallel venation and their roots are fibrous roots.
  • The leaves of dicot plants have reticulate venation their roots are taproots.
KVS PRT Mock Test - 7 - Question 27
Boojho comes across an animal having a stream-lined and slippery body. What is the habitat of the animal?
Detailed Solution for KVS PRT Mock Test - 7 - Question 27

Concept:

Habitat:

  • A plant, animal, or other organism's natural environment or home is known as its habitat.
  • It gives the creatures that inhabit it access to food, drink, shelter, and space in order for them to survive.
  • Abiotic and biotic elements coexist in habitats.
  • Living things are biotic factors.
  • Nonliving entities are abiotic elements.

Explanation:

Water:

  • Organisms that dwell in water are referred to as aquatic animals.
  • These creatures are categorized mostly according to their environment.
  • Aquatic animals are divided into two categories: marine and freshwater species.
  • Some of their species dwell on land, but the majority of them are aquatic.
  • They can swim more easily thanks to their paired and unpaired fins.
  • They either have limbs transformed into paddles for swimming or have webbed limbs.
  • Their bones are thin and spongy, and they have a streamlined body structure.
  • Their body is slippery.
  • A thin snout is formed by a change to the skull.
  • External ears are gone, and the neck is shorter.

Thus, The habitat of the animal is water.

Additional InformationDesert:

  • Some of the physical modifications that desert animals have undergone include the lack of sweat glands and the concentration of urine.
  • Some desert animals have a special physical adaption that involves storing fat in their humps or tails rather than across their entire bodies since fat increases body heat.

Grassland:

  • They can retract their powerful claws inside of their toes.
  • Their movement is in herds.
  • For chewing, they have powerful, flat hind teeth.
  • On the sides of their heads, they have eyes.

Mountains:

  • Animals that live in mountainous regions have thick coats of hair and wool to protect them from the bitter cold, as well as quick hooves that enable them to scale steep hillsides.
  • A few mountain creatures include the chamois, ibex, snow leopard, tahr, and giant horn sheep.
KVS PRT Mock Test - 7 - Question 28

Petroleum is referred as the 'Treasure from the Earth'. To clean and separate it, it is sent to a refinery. The process is called

Detailed Solution for KVS PRT Mock Test - 7 - Question 28

Concept:

About petroleum:

  • The word petroleum is derived from petra (rock) and oleum (oil).
  • It is mined from between the rocks under Earth.
  • Petroleum was formed from organisms living in the sea.
  • As these organisms died, their bodies settled at the bottom of the sea and got covered with layers of sand and clay.
  • Over millions of years, the absence of air, high temperature and high pressure transformed the dead organisms into petroleum and natural gas.
  • Petroleum is a dark, thick, oily liquid.
  • It has an unpleasant odour.
  • They are found in sedimentary rocks.

Explanation:

Fractional distillation:

  • It is a mixture of various constituents such as petroleum gas, petrol, diesel, lubricating oil, paraffin wax, etc.
  • The process of separating the various constituents/ fractions of petroleum is known as refining.
  • It is carried out in a petroleum refinery.
  • The substance in crude oil has different boiling points.
  • So the method used to separate these substances of different boiling points is called fractional distillation.

Thus, to clean and separate petroleum, it is sent to a refinery. This process is called fractional distillation.

Additional Information

Decantation:

  • Decantation is the process of separating solid or unmixed components from other liquids.
  • It works by removing the liquid layer at the top from the layer of solid or liquid below.
  • ​It is also used to separate two liquid that does not mix one another like oil and water.

Distillation:

  • Distillation is the selective boiling and subsequent condensation of a component in a liquid mixture.
  • It is a separation technique that can be used to either increase the concentration of a particular component in the mixture.
  • It is also used to obtain pure components from the mixture.
  • But in the case of petroleum, it is not much effective so fractional distillation is used.

Centrifugation:

  • Centrifugation is one such technique in which particles or molecules are separated based on their densities under the influence of gravitational force (g).
  • It works by spinning them in a solution around an axis at high speed using centrifugal force.
  • It is used to separate two immiscible liquids in a mixture.
KVS PRT Mock Test - 7 - Question 29
In which part of the Rajasthan state Bhil tribe mainly reside?
Detailed Solution for KVS PRT Mock Test - 7 - Question 29

The correct answer is in the southern part

Key Points

  • The Bhil tribe is the oldest tribe in Rajasthan.
  • Bhil lives in southern Rajasthan, mainly.
  • Their main residence is Udaipur, apart from this they also reside in Banswara, Dungarpur, and Chittorgarh districts.
  • Banswara district is the largest Bhil tribe in Rajasthan.
  • Dungarpur is the second largest district in terms of population in Rajasthan after Banswara district.

Important Points

KVS PRT Mock Test - 7 - Question 30

Which imaginary line, located at zero degrees latitude, divides the earth into northern and southern hemispheres?

Detailed Solution for KVS PRT Mock Test - 7 - Question 30

The correct answer is the Equator.

Key Points

  • The Equator is an imaginary line around the middle of the Earth.
  • It divides the earth into two halves northern hemisphere and the southern hemisphere.
  • The Earth is the widest at the Equator.
  • It is located at zero degrees latitude.
  • It lies equidistant from the poles.

Thus, we can say that the imaginary line located at zero degrees latitude which divides the earth into the northern and southern hemispheres is called the Equator.

Additional Information

  • Tropic of Cancer is a latitude approximately 23°27' N of the terrestrial Equator.
  • Tropic of Capricorn is a latitude approximately 23°37' S of the Equator.

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