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TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - TS TET MCQ


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30 Questions MCQ Test TS TET Mock Test Series 2024 - TS TET Paper 2 Mock Test - 10 (Science and Mathematics)

TS TET Paper 2 Mock Test - 10 (Science and Mathematics) for TS TET 2024 is part of TS TET Mock Test Series 2024 preparation. The TS TET Paper 2 Mock Test - 10 (Science and Mathematics) questions and answers have been prepared according to the TS TET exam syllabus.The TS TET Paper 2 Mock Test - 10 (Science and Mathematics) MCQs are made for TS TET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for TS TET Paper 2 Mock Test - 10 (Science and Mathematics) below.
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TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 1

The conclusion 'Children can learn violent behaviour depicted in movies' may be derived on the basis of the work done by which of the following psychologists?

Detailed Solution for TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 1

Bandura's major premise is that we can learn by observing others. He considers vicarious experience to be the typical way that human beings change. He uses the term 'modelling' to describe Campbell's two mid-range processes of response acquisition (observation of another's response and modelling), and he claims that modelling can have as much impact as direct experience.
Social learning theory is a general theory of human behaviour, but Bandura and people concerned with mass communication have used it specifically to explain media effects. Bandura warned that "children and adults acquire attitudes, emotional responses, and new styles of conduct through filmed and televised modelling." George Gerbner was concerned that television violence would create a false climate of fear. Albert Bandura cautioned that TV might create a violent reality that was worth fearing.

TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 2

Progressive education:

Detailed Solution for TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 2

The meaning of "progressive education" depends on the meaning assigned to the word 'progress'. Progress implies movement and movement involves changes in some direction. 'progressive education, is that body of educational thought that nourished in the fertile mind of John Dewey. 

  • According to John Dewey, “Education is reconstruction or reorganization of experience which adds to the meaning of experience and which increases the ability to direct the course of subsequent experiences.”
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TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 3

NCF 2005 recommends that:

Detailed Solution for TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 3

The National Curriculum Framework (NCF) 2005 is a guideline for school education in India.

  • It emphasizes the importance of a child-centric approach to learning that emphasizes the child's holistic development.
TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 4

Which of the following will be the most appropriate to maximise learning?

Detailed Solution for TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 4

Due to propagation of exploratory and project-based learning, which is greatly influenced by cognitive characteristics of students, it is necessary to determine student's cognitive potential. Preliminary investigations have shown that it is possible to select an individual plan of a learning process for every student, ensuring successful learning of a whole subject field, on the assumption that the optimal cognitive strategy can be determined and realised.

TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 5

The problem-solving strategy in which one begins from the goal and moves back sequentially to figure out the solution, is called -

Detailed Solution for TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 5

Problem-solving is an important part of thinking processes. In general, a problem is any kind of conflict or difference between one situation and another that one wishes to produce, that which is the goal. 

  • Problem-solving can be done either with or without insight and utilizes analytical, synthetic thinking along with metacognition.
  • An individual uses various kinds of methods or strategies to solve problems.
  • Some strategies when used take a long time but definitely give an answer. On the other hand, there are some other strategies that take lesser time but do not always guarantee success.
TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 6

What should be the amendments in teacher preparation in classroom management?

Detailed Solution for TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 6

If the teacher comes to know that a student is absent in the class, in such a case, instead of expelling/punishing/preventing him/her from attending the class, the teacher should know the reason for his/her negligence and find out the appropriate remedy.
Revision in Teacher Preparation in Classroom Management:

  • Teacher with an instructional approach to classroom management, providing candidates with feedback through curriculum and guided exercises, and
  • Addressing the challenges faced by teacher candidates and new teachers in creating a positive classroom context.
TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 7

व्याकरण के ज्ञान का मुख्य उद्देश्य है-

Detailed Solution for TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 7

व्याकरण वह शास्त्र है जो भाषा से संबधित नियमों का ज्ञान कराता है। किसी भाषा की संरचना का सिद्धान्त अथवा नियम ही उसका व्याकरण है। यदि व्याकरण द्वारा भाषा को स्थिर न रखा जाय तो उसका महत्व व स्वरूप ही नष्ट हो जाएगा। अतः भाषा के शीघ्र परिवर्तन को रोकने के लिए ही व्याकरण का उस पर नियंत्रण कर दिया गया है। व्याकरण के ज्ञान का मुख्य उद्देश्य भाषा-प्रयोग में व्याकरण का ध्यान रखना है।

TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 8

भाषा कौशल को बेहतर तरीके से सीखा जा सकता है:

Detailed Solution for TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 8

भाषा कौशल को एकीकृत तरीके से बेहतर तरीके से सीखा जा सकता है क्योंकि यह सभी कौशलों का फायदा उठाता है। उदाहरण के लिए, जब हम बोलते हैं, हम एक साथ सुनते भी हैं, जब हम लिखते हैं तो हम पढ़ भी रहे होते हैं।
भाषा के साथ यह जुड़ाव हमें भाषा की अंतर्निहित व्याकरणिकता को आंतरिक करने में सक्षम बनाता है। यह भाषा सीखने की ओर जाता है।
इसलिए उपर्युक्त बिन्दुओं से यह स्पष्ट हो जाता है कि भाषा कौशल को बेहतर ढंग से सीखा जा सकता है यदि उन्हें एकीकृत तरीके से पढ़ाया जाए।

TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 9

दिए गए गद्यांश को ध्यानपूर्वक पढ़िए तथा पूछे गए प्रश्न के उत्तर के लिए सबसे उपयुक्त विकल्प का चयन कीजिए।
राजभाषा का अर्थ राजा या राज्य की भाषा है। वह भाषा जिसमें शासक या शासन का काम होता है। राष्ट्रभाषा वह है जिसका व्यवहार राष्ट्र के सामान्य जन करते है। राजभाषा का क्षेत्र सीमित होता है। राष्ट्र भाषा सारे देश की संपर्क भाषा है। राष्ट्रभाषा के साथ जनता का भावात्मक लगाव रहता है क्योंकि उसके साथ जनसाधारण की सांस्कृतिक परम्पराएँ जुड़ी रहती हैं। राजभाषा के प्रति वैसा सम्मान हो तो सकता है, लेकिन नहीं भी हो सकता है, क्योंकि वह अपने देश की भी हो सकती है। किसी गैर देश से आये शासक की भी हो सकती है। लोकतांत्रिक व्यवस्था में आज हिन्दी राजभाषा के रूप में ही विराजित है। 14 सितंबर, 1949 ई. को भारत के संविधान में हिन्दी को मान्यता प्रदान की गई है। संविधान की अनुच्छेद 120 के अनुसार संसद का कार्य हिन्दी में या अंग्रेजी में किया जाता है। अनुच्छेद 210 के अंतर्गत राज्यों के विधानमंडलों का कार्य अपने-अपने राज्य की राजभाषा या हिन्दी में या अंग्रेजी में किया जा सकता है। 343 के अनुसार संघ की राजभाषा हिन्दी और लिपि देवनागरी होगी। इस भाषा का प्रसार तथा प्रचार के लिए महात्मा गाँधी का योगदान रहा है। अनुच्छेद 344 में राष्ट्रपति को शासकीय कार्य में हिन्दी भाषा का प्रयोग अधिक करने के लिए कहा गया है।

Q. निम्न में से समूह से भिन्न कौन-सा है ?

Detailed Solution for TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 9

रहा शब्द समूह से भिन्न है।

  • रहा शब्द क्रिया है 
  • जबकि अन्य शब्द संज्ञा है।
  • हिन्दी - विशेष भाषा - व्यक्तिवाचक संज्ञा 
  • अंग्रेजी  - विशेष भाषा - व्यक्तिवाचक संज्ञा 
  • भाषा - सम्पूर्ण जाति - जातिवाचक संज्ञा 
TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 10

निर्देश: निम्नलिखित गद्यांश को पढ़कर पूछे गए प्रश्नों के सबसे उपयुक्त उत्तर वाले विकल्प को चुनिए।
आधुनिकतावाद, अपनी व्यापक परिभाषा में, आधुनिक सोच, चरित्र, या प्रथा है अधिक विशेष रूप से, यह शब्द उन्नीसवीं सदी के अंत और बीसवीं सदी के आरम्भ में मूल रूप से पश्चिमी समाज में व्यापकतम पैमाने पर और सुदूर परिवर्तनों से उत्पन्न होने वाली सांस्कृतिक प्रवृत्तियों के एक समूह एवं सम्बद्ध सांस्कृतिक आन्दोलनों की एक सारणी दोनों का वर्णन करता है। यह शब्द अपने भीतर उन लोगों की गतिविधियों और उत्पादन को समाहित करता है जो एक उभरते सम्पूर्ण औद्योगीकृत विश्व की नवीन आर्थिक, सामाजिक एवं राजनीतिक स्थितियों में पुराने होते जा रहे कला, वास्तुकला, साहित्य, धार्मिक विश्वास, सामाजिक संगठन और दैनिक जीवन के "पारंपरिक" रूपों को महसूस करते थे। आधुनिकतावाद ने ज्ञानोदय की सोच की विलंबकारी निश्चितता को और एक करुणामय, सर्वशक्तिशाली निर्माता के अस्तित्व को भी मानने से अस्वीकार कर दिया। इसका मतलब यह नहीं है कि सभी आधुनिकतावादी लोगों या आधुनिकतावादी आन्दोलनों ने या तो धर्म को या ज्ञानोदय की सोच के पहलुओं को मानने से इंकार कर दिया है, इसके बजाय कि आधुनिकतावाद को अतीत काल की ''सूक्तियों'' के पूछताछ के रूप में देखा जा सकता है। आधुनिकतावाद की एक मुख्य विशेषता आत्म-चेतना है। इसकी वजह से अक्सर रूप और कार्य पर प्रयोग किया जाता है जो प्रक्रियाओं और प्रयुक्त सामग्रियों की तरफ (और मतिहीनता की अगली प्रवृत्ति की तरफ) ध्यान आकर्षित करता है। "मेक इट न्यू!" के लिए कवि एज़्रा पाउंड पर रूप निदर्शनात्मक निषेधाज्ञा लग गई थी। आधुनिकतावादियों के "नव निर्माण" में एक नया ऐतिहासिक युग शामिल था या नहीं, यह अब बहस का मुद्दा बना हुआ है।

Q. आधुनिकतावाद नहीं हैं:

Detailed Solution for TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 10

आधुनिकतावाद ‘रूढ़िवादी परंपरा’ नहीं है। उपरोक्त प्रश्न में आधुनिकतावाद की सभी विशेषताएं बताई गई हैं। रूढ़ीवादी परंपराएं आधुनिकतावाद की विशेषता नहीं है। रूढ़िवाद के विरोध में ही आधुनिकतावाद का जन्म हुआ है।

TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 11

शब्दों के अर्थ स्पष्ट करने की सर्वश्रेष्ठ पद्धति है:

Detailed Solution for TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 11

शब्दों के अर्थ स्पष्ट करने की सर्वश्रेष्ठ पद्धति 'वाक्य-प्रयोग द्वारा बच्चों को अर्थ का अनुमान लगाने का अवसर देना' है। बच्चा किसी भी भाषा के शब्दों का अर्थ तब आत्मसात् करता है जब वह उन वस्तुओं अथवा शब्दों को स्वयं के जीवन से जोड़कर देखता है। शब्दों के अर्थ स्पष्ट करने की सर्वश्रेष्ठ पद्धति वाक्य-प्रयोग द्वारा बच्चों को अर्थ का अनुमान लगाने का अवसर देना है।

TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 12

Identify the correct statement on teaching reading in English.

Detailed Solution for TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 12

When you encourage your students to read silently, you are helping them develop the strategies they need for reading fast and with better comprehension.

TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 13

How many syllables are there in the word 'matches'?

Detailed Solution for TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 13

There are two syllables in the word "matches", they are "A and E".
A unit of pronunciation having one vowel sound, with or without surrounding consonants, forming the whole or a part of a word is known as syllable.

TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 14

In the Communicative Approach, which of the following is closest to the learning of English Language?

Detailed Solution for TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 14

The Communicative Approach is an approach to language teaching that focuses on the development of communicative competence, which encompasses both fluency and accuracy in using the language in real-life contexts.

TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 15

Which method is most helpful in understanding the depth of meaning?

Detailed Solution for TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 15

Silent reading is most helpful in understanding the depth of meaning. By reading silently, understanding the words in their mind, they read further. It also increases the speed of reading and increases the ability to understand.

TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 16

Direction: Read the passage given below and answer the questions that follow by selecting the most appropriate options:
(1) We embarked along the sapphire route along National Highway 17 for a sun-soaked holiday. This route along Karnataka’s Karavali coast is India’s best beach and temple country. Flanked by the soaring Western Ghats on the east and the Arabian Sea on the west, the Karavali stretch is a scenic treat all the way.
(2) The first halt in our coastal circuit in Uttara Kannada district was Bhatkal. Bhatkal is where Konkani begins to share space with Tulu. A 4-km drive out of town took us to the beach and the small fishing wharf. At the bazaar, we tried out the two local specialities – date halwa and a salted roti. One also shouldn’t miss the Bhatkal biriyani.
(3) Gokarna is a charming little town with temples, a wide expanse of beach, two principal streets and clusters of traditional tile-roofed brick houses. You’ll also find quaint Udupi food joints, souvenir shops, and cyber cafes here.
(4) Once the ‘temple fatigue’ set in, we indulged in some sedate sea-watching. Om beach, one of Gokarna’s famed five, takes the shape of an ‘Om’, a spiritual symbol. The road twists through alleys, past people’s houses, temple chariots and ‘Way to Beach’ signs. The other pristine beaches, wedged between gigantic cliffs that protrude like delicate fingers into the sea, are Gokarna, Kudle, Half Moon and Paradise.
(5) The last halt in our coastal itinerary was Karwar. Karwar was the erstwhile trading outpost of foreigners. It is said that even the great explorer Vasco da Gama walked on the golden sands of Karwar. Apart from the excellent harbour, four beaches that offer sun, sand, surf and sport and five islands, Karwar has much more to offer.
(6) A short boat ride away you’ll find the excellent Devbagh Beach and five idyllic islands. With its pristine beach, and an eco-friendly resort with ethnic log huts, it is a romantic hideaway offering complete privacy and solitude sans the five-star trappings.
(7) We followed Tagore’s footsteps and took a boat cruise up the Kali from the mouth. We spotted dolphins as they gracefully dived into azure waters. From the island one can have a gorgeous view of the sea, sand and the neighbouring islands. As we returned from our coastal odyssey, we realised Karnataka is not short of fabulous beaches but lacks salesmen of its ravishing beauty.

Q. Find out the parts of speech of the underlined word –
At the bazaar, we tried out the two local specialities – date halwa and a salted roti.

Detailed Solution for TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 16

An adverb further describes a verb, an adjective or another adverb. Here, ‘two’ further describes the adjective ‘local’. ‘Local’ is an example of adjective because it describes the noun ‘specialities’. Another example of nouns are ‘bazaar’, ‘halwa’ and ‘roti’ Adjectives describe a noun. ‘Date’ and ‘salted’ are examples of adjectives because they describe the nouns ‘halwa’ and ‘roti’ respectively. Preposition is a word used before a noun or pronoun and expresses the relationship of that noun with other words in the sentence. ‘At’ is an example of preposition here.

TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 17

Choose the correct sequence of steps in teaching free composition -

Detailed Solution for TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 17

In free composition, the children are able to freely arrange their ideas in their own way and to choose their words freely. It is very helpful for higher-stage students.

TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 18

If you want to develop haploid plants through tissue culture, the best choice is

Detailed Solution for TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 18

Pollen is a fine to coarse powdery substance comprising pollen grains which are male microgametophytes of seed plants, which produce male gametes (sperm cells). To develop haploid plants through tissue culture, the best choice is pollen grains.

TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 19

If 24 carat gold is hundred percent pure gold and price of 50% pure gold is 30,000. Then find the price of pure gold in 22 carat gold.

Detailed Solution for TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 19

100% pure gold = 24 carat
50% pure gold = 12 carat = Rs 30,000
∴ 22 carat cost = 30,000 ÷ 12 × 22 = Rs 55,000
Detailed solution
GIVEN:
24 carat gold is hundred percent pure gold.
Price of 50% pure gold is Rs. 30,000
So, price of 1% pure gold = Rs. 600
CONCEPT:
In 22 carat gold pure gold is 22 parts out of 24 parts.
CALCULATION:

Percent of pure gold in 22 carat gold =(22/24)×100% = 91(2/3)%
Since, price of 1% pure gold = Rs. 600
∴ Price of pure gold in 22 carat Gold  = Rs.600 × 91(2/3)%
⇒ Price of pure gold in 22 carat Gold = Rs. 55,000

TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 20

Provision of 'knowledge and skill' in Mathematics comes under

Detailed Solution for TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 20

Mathematics is the study of numbers, shapes, quantities, and patterns. Mathematics is the ‘queen of all sciences’ and its presence is there in all the subjects. It acts as the basis and structure of other subjects. Mathematics is one of the few subjects that have functional, cultural, and disciplinary value. To make Mathematics an instrument of all the three values, it must be taught in an engaging, interesting, and interacting manner.

TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 21

A big mansion has a rectangular grassy field of 95 m and 60 m and it has a path of 2.5 m wide all around it on the inside. Find the cost of gravelling the path at Rs. 3 per square meter.

Detailed Solution for TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 21

Given:
The length and breadth of the field with the path are 95 m and 60 m respectively
The width of the path inside the mansion = 2.5 m

Formula used:
The area of rectangle = (Length × Breadth)
Calculation:
Area of the field with the path = 95 × 60 = 5700 m2
Area of the field without the path = 90 × 55 = 4950 m2
So, area of the path = Area of the field with the path - Area of the field without the path
⇒ (5700 – 4950) m2
⇒ 750 m2
So, the cost of gravelling the path = area of the path × cost per meter
⇒ (750 × 3) = Rs. 2250
∴ The cost of gravelling the path is Rs. 2250.

TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 22

Raman wants to use a rear-view mirror in his vehicle. Which type of mirror should he pick for it?

Detailed Solution for TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 22

Convex mirror:

  • The spherical mirror whose reflecting surface is in upside is called a convex mirror.
  • It is always from a virtual image of any object.
  • It is used as a rear-view mirror in the vehicle
  • It is also from a full-size diminished image of the objects placed at far away distances with a wide range of field of; view.
  • Due to a wide range of fields of view, we can see the image of the maximum object behind the vehicles.
TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 23

(14.96 x 1010) – (3.84 x 108) is expressed in standard form as

Detailed Solution for TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 23

A number is written in scientific notation(standard form) when a number between 1 and 10 is multiplied by a power of 10.
(14.96 x 1010) – (3.84 x 108)
=1496 x 108 - 3.84 x 108
= 1492.16 x 108
= 1.49216 x 1011

TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 24

Which of the following elements must be available in water for the metamorphosis of tadpoles?

Detailed Solution for TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 24

For the metamorphosis of tadpoles, iodine should be present in water. This is because metamorphosis is brought about by thyroxine hormone that requires the presence of iodine for its production by thyroid gland.

TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 25

Which of the following characteristics does not belong to a scientist?

Detailed Solution for TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 25

Option (1) is the correct option because they always believe in testing and experimenting things.

TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 26

Science includes only relative truths but not absolute truths. This means that

Detailed Solution for TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 26

Science includes only relative truths but not absolute truths. This means that science does not accept philosophical concepts.

TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 27

Which of the following is an example of culturally specific knowledge in early mathematics learning?

Detailed Solution for TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 27

Learning math is an essential part of every child's education, and it is important to build a strong foundation early on. To make math learning more engaging for young children, teachers can incorporate culturally specific knowledge into their lessons.

TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 28

Vandana is interested to focus more on acquisition of process skills of Science by students of Class VIII. Which of the following combinations of methods should she prefer to teach the topic on 'Microorganisms'?

Detailed Solution for TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 28

In Project-cum-laboratory method, students get an opportunity to do experiments individually or in small groups. A teacher carries the needed equipment and material in the classroom-cum-laboratory, students pick up the materials and take them to their work tables, and return them to the teacher after doing the laboratory work.

TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 29

Mathematics corner is a miniature form of ______.

Detailed Solution for TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 29

Classroom Management consists of the teacher’s thoughts, plans, and actions that create an orderly environment and promote learning. Classroom management stands for management of resources, pupils’ learning activities, and behaviors in the classroom.

  • So, a teacher must develop a little corner in every classroom that contains different learning resources for the students to refer to facilitate their learning.
TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 30

During an experiment, Neha dipped a strip of X metal in a Y solution. After some time, she observed the solution becomes blue and a shining grayish-white. Then, what would be X and Y?

Detailed Solution for TS TET Paper 2 Mock Test - 10 (Science and Mathematics) - Question 30
  • When the red-brown of a copper strip is placed in a colorless solution of silver nitrate, then a shining greyish-white deposit of silver is formed on the copper strip and a solution becomes blue due to the formation of copper nitrate.
    Cu + 2AgNO3  →  Cu(NO3)2 + 2Ag
  • In this case, displacement reaction occurs because copper is more reactive than silver.
  • Therefore, copper displaces the silver from the silver nitrate compound.

Thus, the correct answer is X- Copper and Y- Silver nitrate.

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