Consider the following:
1. Aarogya Setu
2. CoWIN
3. DigiLocker
4. DIKSHA
Which of the above are built on top of open-source digital platforms?
1 and 2 only
2, 3 and 4 only
1,3 and 4 only
1, 2, 3 and 4
The question asks to identify which of the listed digital platforms are built on open-source technology. We need to evaluate each option based on its known development and deployment characteristics.
Based on the above analysis, all four platforms—Aarogya Setu, CoWIN, DigiLocker, and DIKSHA—are built on or utilize open-source digital platforms.
D) 1, 2, 3 and 4 – All the listed applications (Aarogya Setu, CoWIN, DigiLocker, and DIKSHA) are either built on open-source platforms or have had their source code released as open-source by the Government of India.
With reference to Web 3.0, consider the following statements:
1. Web 3-0 technology enables people to control their own data.
2. In the Web 3.0 world, there can be blockchain-based social networks.
3. Web 3-0 is operated by users collectively rather than a corporation.
Which of the statements given above is correct?
The question asks to identify the correct statements about Web 3.0. We need to evaluate each statement based on the core principles and characteristics of Web 3.0.
Since all three statements accurately describe characteristics of Web 3.0, the correct option is D.
Correct Option: D) 1, 2 and 3
With reference to "Software as a Service (SaaS)", consider the following statements:
1. SaaS buyers can customize the user interface and can change data fields.
2. SaaS users can access their data through their mobile devices.
3. Outlook, Hotmail and Yahoo! Mail are forms of Saas.
Which of the statements given above are correct?
The question asks to identify the correct statements regarding Software as a Service (SaaS). We need to evaluate each statement based on the characteristics and functionalities of SaaS.
SaaS applications are typically multi-tenant, meaning a single instance of the software serves multiple customers. However, SaaS providers often offer configuration options that allow users to customize aspects like the user interface (e.g., branding, themes) and define custom data fields or workflows to suit their specific business needs. While deep-level code customization is usually not possible, configuration and personalization are common features.
Therefore, statement 1 is correct.
A key advantage of SaaS is its accessibility. Since SaaS applications are cloud-based and delivered over the internet, users can access them from anywhere, at any time, using various devices including desktops, laptops, tablets, and smartphones, provided they have an internet connection. Many SaaS providers offer dedicated mobile applications or responsive web interfaces for this purpose.
Therefore, statement 2 is correct.
Outlook (specifically Outlook.com, the web-based email service), Hotmail (now part of Outlook.com), and Yahoo! Mail are all web-based email services. Users access these services through a web browser without needing to install any software on their local device. The email software and data are hosted and managed by the service provider (Microsoft for Outlook/Hotmail, Yahoo for Yahoo! Mail) in the cloud. This model perfectly aligns with the definition of SaaS, where software is licensed on a subscription basis and is centrally hosted.
Therefore, statement 3 is correct.
D) 1, 2 and 3
All three statements accurately describe characteristics or examples of Software as a Service (SaaS).
The question asks to identify the statement that best describes the "Fractional Orbital Bombardment System" (FOBS). We need to understand the core concept of FOBS and then evaluate each option against this understanding.
C) A missile is put into a stable orbit around the Earth and deorbits over a target on the Earth. This statement precisely describes the operational principle of the Fractional Orbital Bombardment System (FOBS). FOBS involved launching a warhead into a low Earth orbit, completing a partial orbit, and then initiating a deorbit burn to deliver the warhead to a target on Earth. This allowed for an attack trajectory that was difficult to predict and defend against compared to traditional ICBMs.
The question asks for the context in which the term "qubit" is used. This requires knowledge of fundamental concepts in modern computing and related technologies.
B) Quantum Computing — A qubit is the fundamental unit of information in quantum computing, analogous to a bit in classical computing. It utilizes quantum mechanical phenomena like superposition and entanglement to process information.
Consider the following communication technologies:
1. Closed-circuit Television
2. Radio Frequency Identification
3. Wireless Local Area Network
Which of the above are considered Short-Range devices/technologies?
The question asks to identify which of the given communication technologies are considered short-range. We need to evaluate the typical operating range of each technology listed.
All three technologies operate effectively within limited geographical areas, fitting the definition of short-range devices/technologies.
Correct Option: D) 1, 2 and 3
Consider the following statements:
1. Biofilms can form on medical implants within human tissues.
2. Biofilms can form on food and food processing surfaces.
3. Biofilms can exhibit antibiotic resistance.
Which of the statements given above are correct?
The question asks to identify the correct statements about biofilms. We need to evaluate each statement based on the known characteristics and occurrences of biofilms.
Biofilms are communities of microorganisms that attach to surfaces and are encased in an extracellular polymeric substance (EPS) matrix. Medical implants (like catheters, prosthetic joints, pacemakers) provide ideal surfaces for bacterial attachment and biofilm formation within the human body. This is a significant cause of healthcare-associated infections because biofilms protect bacteria from the host immune system and antibiotics.
Therefore, statement 1 is correct.
Biofilms readily form on various surfaces in food processing environments, such as stainless steel, plastic, and rubber. These biofilms can harbor pathogenic bacteria (e.g., Listeria monocytogenes, Salmonella) and spoilage microorganisms, leading to food contamination, reduced shelf-life, and foodborne illnesses. They can also form directly on food products, especially those with high moisture content.
Therefore, statement 2 is correct.
One of the most critical characteristics of biofilms is their enhanced resistance to antibiotics and disinfectants compared to planktonic (free-floating) bacteria. This resistance is attributed to several factors, including the physical barrier of the EPS matrix, slower growth rates of bacteria within the biofilm, altered gene expression, and the presence of persister cells. This makes biofilm-related infections very difficult to treat.
Therefore, statement 3 is correct.
Since all three statements are correct, the option that includes 1, 2, and 3 is the correct answer.
Correct Option: D) 1, 2 and 3
Consider the following statements in respect of probiotics:
1. Probiotics are made of both bacteria and yeast.
2. The organisms in probiotics are found in foods we ingest but they do not naturally occur in our gut.
3. Probiotics help in the digestion of milk sugars.
Which of the statements given above is/are correct?
The question asks us to evaluate three statements about probiotics. We need to determine which of these statements are correct based on the definition and functions of probiotics.
Analyze Statement 1: Probiotics are made of both bacteria and yeast.
Analyze Statement 2: The organisms in probiotics are found in foods we ingest but they do not naturally occur in our gut.
Analyze Statement 3: Probiotics help in the digestion of milk sugars.
Based on the analysis, statements 1 and 3 are correct.
Correct Option: C) 1 and 3
In the context of vaccines manufactured to prevent COVID-19 pandemic, consider the following statements:
1. The Serum Institute of India produced a COVID-19 vaccine named Covishield using an mRNA platform.
2. The Sputnik V vaccine is manufactured using a vector-based platform.
3. COVAXIN is an inactivated pathogen-based vaccine.
Which of the statements given above are correct?
The question asks to identify the correct statements regarding the platforms used for manufacturing specific COVID-19 vaccines. We need to evaluate each statement based on the known vaccine technologies.
B) 2 and 3 only
Statements 2 and 3 are correct, while statement 1 is incorrect. Thus, option B, which includes only statements 2 and 3, is the correct answer.
If a major solar storm (solar flare) reaches the Earth, which of the following are the possible effects on the Earth?
1. GPS and navigation systems could fail.
2. Tsunamis could occur in equatorial regions.
3. Power grids could be damaged.
4. Intense auroras could occur over much of the Earth.
5. Forest fires could take place over much of the planet.
6. Orbits of the satellites could be disturbed.
7. Shortwave radio communication of the aircraft flying over polar regions could be interrupted.
Select the correct answer using the code given below :
1, 2, 4 and 5 only
2, 3, 5, 6 and 7 only
1,3,4, 6 and 7 only
1,2,3,4,5,6 and 7
The question asks about the possible effects of a major solar storm (solar flare) on Earth. We need to evaluate each given statement based on scientific understanding of space weather phenomena.
C) 1, 3, 4, 6 and 7 only. Based on the analysis, statements 1, 3, 4, 6, and 7 are correct effects of a major solar storm.