NVS PGT Physics Mock Test - 4 - NVS TGT/PGT MCQ

The correct answer is Vitamin C.

Important Points

• Scurvy is a nutritional disorder of humankind.
  • Scurvy is caused by the deficiency of Vitamin C
  • Ascorbic acid is the chemical name of vitamin C.
  • Vitamin C is the first artificially synthesized vitamin.
  • Vitamin C is essential for the healing of wounds, repair, and maintenance of cartilage, bone, and teeth.
  • Vitamin C deteriorated through cooking and canning of food.

Additional Information 

• Xerophthalmia and night blindness are the deficiency diseases of Vitamin A.
• Rickets is the deficiency diseases of Vitamin D.
• Hemorrhage is the deficiency diseases of Vitamin K.

Option 1 is correct, i.e. Anthracite.

• Anthracite, also called hard coal is a highly metamorphosed form of coal.
• The calorific value of a substance is defined as the amount of heat released by a unit weight of a substance during complete combustion.
• Anthracite coal has the highest calorific value.

Anthracite is a type of coal that has the highest carbon content.

• Anthracite: 87-96%
• Bituminous: 45-86%
• Lignite: 25 - 35%

Additional Information

• ​The most common volatile matter in coal is water, carbon dioxide, and sulfur dioxide.
•  Volatile matter is directly related to coal rank; as coal rank increases, volatile matter content decreases.
• Peat has the highest volatile matter.

Concept:

• Plants have different types of roots.
• Some store food, some breathe some hang from the branches.

Explanation:

• Roots are the underground structures that help in the absorption of water and minerals provide a proper anchorage to the plant parts, storage of reserve food material (Carrot, Radish), and synthesis of PGR (plant growth regulators).
• Sometimes roots get modified to perform different functions like storage of food, respiration, climbing, etc.
• These types of roots are called modified roots.
• Examples - prop root of the Banyan tree for providing support, Pneumatophores of Rhizophora, and Mangrove plants for respiration.

So, these statements are correct.

• To give support to the plant.
• To store food.
• To absorb water and minerals.

Thus, roots do not function to provide humus.

Key Points

In 1854, the first cotton mill was set up in Bombay and It grew as an important port for the export of raw cotton from India to England and China.

• This cotton crop became a huge demand and farmers started investing in it.
• Cotton turned the market upside down.
• A huge number of labours started working in mills.
• In Bombay, about 84 mills were established by Parsi and Gujarati businessmen by 1900.
• The construction and development of mills in cities started and the first mill in Ahmedabad was started in 1861.
• The growth of cotton mills demanded manpower.
• Poor peasants, artisans, and agricultural labourers started working in the mills.
• The textile industry of India faced problems such as difficulty competing with the cheap textiles imported from Britain.
• In most countries, the government-supported industrialization by applying and imposing heavy duties on imports which eliminated competition and protected infant industries.
• The first major spurt in the development of cotton factory production in India was during the First World War when textile imports from Britain were declined and Indian factories were called upon to produce cloth for military supplies.

⇒ 0.0023 + 0.024 + 0.025 + 0.26 × √k = 15.6513

⇒ 0.0513 + 0.26 × √k = 15.6513

⇒ 0.26 × √k = 15.6513 – 0.0513

⇒ 0.26 × √k = 15.6

⇒ √k = 15.6/0.26

⇒ √k = 60

⇒ k = (60)²

⇒ k = 3600

According to question,
A's weight is twice as much as of B.
1. A = 2B.
B's weight is four and half times as much as of C.
2. B = 4.5C
C's weight is half times as much as of D.
3. C = D/2.
D's weight is half as much as of E.
4. D = E/2.
E weight is less than A but more than C.
5. A > E > C
from 1 and 2
6. A = 2B = 9C
from 6 and 3
7. A = 2B = 9C = 4.5D
from 7 and 4
8. A = 2B = 9C = 4.5D = 2.25E
so from 8 and 5
A > B > E > D > C
So lightest in weight is C.

The total number of triangle is according to figure is 2 + 3 + 3 + 2 + 8 = 18 

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

Thus we can see if a man has to travel to point E from point A  (through these points by the shortest distance), he has to follow a path point A → B → F → E.

Thus travelling from point A, he will pass the first point B.

Hence, the correct answer is "Point B".

Hence, the above image is the correct answer.

Given: Neptune, Planet, Moon

The logic followed here is: Neptune is a Planet, but Moon is not. Moon is a natural satellite.

Hence, option (4)  is the correct answer.

Advantages of Email:
1. Speedy message sending process: Email allows for instantaneous communication, making it much faster than traditional mail. Messages can be sent and received within seconds, regardless of the distance between the sender and recipient.
2. Can be sent to multiple people at the same time: Email allows you to send messages to multiple recipients simultaneously. This makes it convenient for group communication, such as sending announcements, invitations, or updates to a large number of people.
3. Different types of media can be sent: Email supports the attachment of various types of media, including documents, images, videos, and audio files. This enables users to share and collaborate on different types of content easily.
4. Convenient organization and storage: Emails can be organized into folders and labeled for easy retrieval and reference. This helps in keeping track of important conversations, documents, and information. Additionally, emails can be stored for long periods of time, allowing for a permanent record of communication.
5. Global accessibility: Email can be accessed from anywhere in the world as long as there is an internet connection. This makes it a convenient mode of communication for individuals and businesses with global operations.
6. Cost-effective: Sending emails is generally more cost-effective than traditional mail. There are no postage or printing costs involved, and multiple copies can be sent without any additional expenses.
7. Environmentally friendly: Email eliminates the need for paper, reducing the consumption of natural resources and minimizing waste. This makes it a greener alternative to physical mail.
In conclusion, email offers numerous advantages, including speedy communication, the ability to reach multiple recipients, support for various media types, convenient organization and storage, global accessibility, cost-effectiveness, and environmental friendliness. It has become an essential tool for personal and professional communication in today's digital age.

Microsoft Word or MS-WORD (often called Word) is a Graphical word processing program that users can type with. It is made by the computer company Microsoft. Its purpose is to allow users to type and save documents. It's an application software

Among the given options, only jpeg and gif are graphics formats. Jpeg format supports lots of colors and it also compresses static images better than gif.

Web search engines work with the help of two programs:
1. Spider:
- Also known as a web crawler or bot, a spider is a program that systematically navigates the web, visiting web pages and collecting data.
- It starts by visiting a specific web page and then follows the links on that page to discover and visit other pages.
- The spider collects information about each page it visits, such as the page title, URL, metadata, and the content of the page.
- It stores this information in a database or index for later retrieval.
2. Indexer:
- The indexer is another program that works in conjunction with the spider.
- Its main task is to analyze and organize the information collected by the spider.
- It processes the collected data and creates an index, which is a structured database that enables efficient searching and retrieval of information.
- The indexer extracts keywords and other relevant information from the web pages and associates them with the respective URLs.
- It also assigns weights or rankings to the indexed pages based on various factors like relevance, popularity, and quality.
Together, the spider and indexer form the backbone of a web search engine:
- The spider crawls the web, discovering and collecting information from web pages.
- The indexer processes and organizes this information, creating an index that enables fast and accurate searching.
- When a user enters a search query, the search engine utilizes the index to quickly retrieve relevant results and present them to the user.
In conclusion:
- Web search engines rely on the spider to discover and collect information from web pages, and the indexer to process and organize this information into an index.
- These two programs work together to enable efficient searching and retrieval of web content.

Diagnostic evaluation has a placement function and so takes place before instruction. It is used to determine underlying causes of learning difficulties. Diagnostic evaluation may include administration of standardised achievement tests, standardised diagnostic tests, teacher-made tests, observation and checklists. Scoring and interpretation can be normative (based on norms) or criterion-referenced. Results are usually shown as an individual profile of sub-skills.

She should keep her pace of teaching slow, while paying extra attention towards the weaker students. It will be beneficial to both weak and intelligent students, and will not cause lack of interest in bright students too.

• The no load current is about 2-5% of the full load current and it accounts for the losses in a transformer.
• These no-load losses include core(iron/fixed) losses, which contains eddy current losses & hysteresis losses and the copper (I²R) losses due to the no Load current.

As the relative velocity of the satellite with respect to the earth is zero, it appears stationary from the Earth surface and therefore it is called is geostationary satellite or geosynchronous satellite.

As seen from the image, in the direction of magnetic field

mgsinθ=il×B
mgsinθ=ilB

The situation is shown in the figure.
F_E= Force due to electric field F_B = Force due to magnetic field It is given that the charged particle remains moving along X-axis (i.e. undeviated). Therefore  F_B = F_E

The newton second (also newton-second, symbol N s or N.s) is the derived SI unit of impulse. It is dimensionally equivalent to the momentum unit kilogram metre per second (kg.m/s). One newton second corresponds to a one-newton force applied for one second.

Explanation:Parallelogram law of vector addition is,If two vectors are considered to be the adjacent sides of a Parallelogram, then the resultant of two vectors is given by the vector which is a diagonal passing through the point of contact of two vectors.

The needle will point along W-E if the result of the earth’s magnetic field and magnetic field due to the coil have a resultant in the W-E direction. This happens if B cos 45^o=Earth's field
⟹ (μ0​nI​/2r) cos45^o=(4π×10−7×30×0.35​)/(2×0.12) ×(1/√2)​​=0.39G=Earth's magnetic field.

To 'bury the hatchet' is to 'end a fight'. Therefore, the correct meaning is 'make peace'.

सही विकल्प 4 'भरपेट' है।

Key Points

• भरपेट में अव्ययीभाव समास का प्रयोग किया गया जिसका अर्थ होता है 'पेट भरकर'
• अव्ययीभाव समास- जिस समास का प्रथम पद या पूर्व पद अव्यय हो अर्थात जिसमें प्रथम पद प्रधान हो उसे अव्ययीभाव समास कहते हैं।
  • अन्य उदाहरण- प्रतिदिन, यथाशक्ति, यथासंभव यावज्जीवन आदि।
• अन्य विकल्पः-
  • विद्यालय- का समस विग्रह- विद्या के लिए आलय। इस शब्द में सम्प्रदान तत्पुरुष समास है।
  • मनमाना- का समस विग्रह- 'मन से माना हुआ'। इस शब्द में करण तत्पुरुष समास(से , द्वारा) है।
  • कनफटा- का समस विग्रह- ' कान है फटे हुए जिसके अर्थात् नाथों का एक विशेष संप्रदाए विशेष। इसमें बहुब्रीह समास है।

Additional Information

• समास- दो या दो से अधिक पदों या शब्दों के संक्षेपीकरण से जो शब्द बनता है, उसे ही समास कहते है।
  • समास में मुख्यता दो पद होते है पहले पद को पूर्व पद एवं दूसरे पद को उत्तर पद कहते है ।
  • समास के मुख्यतः 4 भेद होते है। किन्तु तत्‍पुरुष समास के दो उपभेद भी होते है।
• अव्ययी भाव समास -जिस समास का प्रथम पद अव्यय हो अर्थात् प्रथम पद प्रधान हो ।
  • जैसे- आजन्म,प्रतिदिन, प्रत्यक्ष आदि।
• तत्पुरुष समाम - जिस समास का अंतिम पद अर्थात उत्तर पद प्रधान हो उसे तत्पुरुष समाम कहते है।
  • जैसे- चिड़ीमार, गगनचुम्बी आदि।
• कर्मधारय समाम-जिस समास में विशेषण और विशेष्य का संबंध अथवा उपमेय और उपमान का संबंध पाया जाता है. उसं कर्मधार्य समास कहते है।
  • जैसे- नीलगाय-नीली है जो गाय
• द्विगु समाम -जिस समास का प्रथम पद संख्यावाची तथा अंतिम पद संज्ञा हो उसे द्विगु समास कहते है। जैसे -नवरत्न
  • समास के अन्य उदाहरण
• बहुव्रीह समास - कोई पद प्रधान नही।
  • जैसे चतुर्भुज - चार भुजाएँ है जिसकी अर्थात भगवान विष्णु
• द्वन्‍द्व समास- दोनो पद प्रधान होते है।
  • जैसे माता- पिता

Mistake Pointsतत्‍पुरुष समास के दो उपभेद हैं-

• कर्मधारय समास
• द्विगु समास

गुणहीन का समास विग्रह 'गुण से हीन' है। Key Points

• गुणहीन में अपादान तत्पुरुष समास है।
• अपादान तत्पुरुष समास- जिस समास में उत्तर पद प्रधान तथा पूर्व पद गौण हो तथा 'से' विभक्ति का लोप हो अपादान तत्पुरुष समास कहलाता है।
• उदाहरण- भयभीत, देशनिकाला, दूरागत आदि।

Additional Information

• तत्पुरुष समास की परिभाषा- जिस समास का उत्तरपद प्रधान हो तत्पुरुष समास कहलाता है, इस समास में कारक चिह्नों का लोप होता है।
• तत्पुरुष समास के छः भेद होते है

‘देशविदेश’ में 'द्वन्‍द्व' समास है।इसका समास विग्रह होगा- देश और विदेश। अन्य विकल्प गलत हैं । अतः उत्तर सही विकल्प 3 'देशविदेश​' है।

Key Points

• 'देशविदेश' का समास विग्रह करने पर 'देश और विदेश' होगा।
• इसमें दो प्रमुख पदों के मध्य 'और' योजक का प्रयोग होने के कारण द्वंद्व समास है।

अन्य विकल्प -

Additional Information