Chandigarh TGT Science - Non Medical Mock Test - 2 - SSA Chandigarh MCQ

Weight of the car = (180 × 7 – 72 × 6) = 828 kg
Hence, Option B is correct.

Memory Management
Memory management is the process of organizing and controlling the allocation and sharing of main memory among multiple active processes. It involves various techniques and strategies to efficiently allocate memory resources and ensure the smooth execution of processes.
Some key aspects of memory management include:
1. Memory Allocation: The process of assigning memory blocks to processes is a crucial part of memory management. It involves dividing the available memory into fixed-size or variable-size partitions and allocating them to processes as needed.
2. Memory Sharing: Memory can be shared among processes to optimize resource utilization. Shared memory allows multiple processes to access the same physical memory region, enabling efficient communication and cooperation between processes.
3. Memory Protection: Memory protection mechanisms ensure that each process can only access its allocated memory and cannot interfere with the memory of other processes. This prevents unauthorized access and enhances system security.
4. Memory Deallocation: When a process completes or is terminated, its allocated memory needs to be deallocated and made available for other processes. Proper deallocation prevents memory leaks and ensures efficient memory utilization.
5. Memory Swapping: In situations where the available physical memory is insufficient to accommodate all active processes, memory swapping is used. It involves temporarily moving some portions of a process's memory to secondary storage (e.g., disk) and bringing them back to main memory when required.
6. Memory Fragmentation: As memory is allocated and deallocated, it can result in fragmentation, where free memory becomes scattered in small chunks. Memory management techniques aim to minimize fragmentation to optimize memory utilization.
In conclusion, memory management plays a critical role in efficiently allocating and sharing main memory among active processes. It ensures proper resource utilization, protection, and deallocation, ultimately contributing to the overall performance and stability of the system.

To show the numbers 9779851089510 in a cell, the appropriate option is to apply the Text format in the cell and type the numbers. Here's a detailed explanation:
Step 1: Open the spreadsheet software (e.g., Microsoft Excel, Google Sheets) and navigate to the desired cell where you want to display the numbers.
Step 2: Apply the Text format to the cell. This can be done by right-clicking on the cell and selecting the "Format Cells" option. In the "Format Cells" dialog box, choose the "Text" category and click "OK".
Step 3: Type the numbers 9779851089510 in the formatted cell.
Step 4: The numbers will now be displayed in the cell without any additional characters or formatting.
Summary:
To show the numbers 9779851089510 in a cell, you should apply the Text format in the cell and type the numbers. This ensures that the numbers are treated as text and displayed as-is, without any modifications or additional characters.

FTP can be run on the following operating systems:
- Unix: FTP can be run on Unix operating systems. Unix is a family of multitasking, multiuser computer operating systems that are widely used for servers and workstations.
- Linux: FTP can be run on Linux operating systems. Linux is an open-source operating system that is based on the Unix operating system.
- Dos/Windows: FTP can be run on Dos/Windows operating systems. DOS (Disk Operating System) is an operating system that was popular in the early days of personal computers, while Windows is a widely used operating system developed by Microsoft.
Therefore, the correct answer is option B: Linux, as FTP can be run on Linux operating systems. However, it is important to note that FTP can also be run on Unix and Dos/Windows operating systems, so option D is also correct.
Overall, FTP is a versatile protocol that can be run on various operating systems, allowing users to transfer files between computers over a network.

To determine the number of bytes represented by a KB (kilobyte), we need to understand the conversion factor between kilobytes and bytes.
- 1 kilobyte (KB) = 1,024 bytes
Given the options provided, we can determine that the correct answer is option B, which states that a KB represents 1,000 bytes.
Here is a breakdown of the options and their representations in bytes:
- Option A: 8 bytes - This is not the correct answer as 8 bytes is much smaller than a kilobyte.
- Option B: 1,024 bytes - This is the correct answer as 1 kilobyte is equal to 1,024 bytes.
- Option C: 1,000,000 bytes - This is not the correct answer as 1 kilobyte is much smaller than 1,000,000 bytes.
- Option D: 1,000,000,000 bytes - This is not the correct answer as 1 kilobyte is much smaller than 1,000,000,000 bytes.
Therefore, the correct answer is option B, which states that a kilobyte represents 1,024 bytes.

When installing a peripheral, you also usually need to install a ______.

The correct answer is driver.

Explanation:

When installing a peripheral, such as a printer, scanner, or external hard drive, it is necessary to install a driver. A driver is a software program that allows the peripheral to communicate with the computer's operating system and enables the computer to recognize and utilize the peripheral's features and functions.

Here are some key points to remember:

• Peripheral: A peripheral is an external device that connects to a computer, such as a printer, scanner, mouse, keyboard, or external storage device.


• Driver: A driver is a software program that acts as a bridge between the peripheral and the computer's operating system. It provides the necessary instructions and protocols for the operating system to communicate with the peripheral.


• Installation: To install a peripheral, you typically follow these steps:




• Connect the peripheral to the computer using the appropriate cables or wireless connection.


• Insert the installation disc provided with the peripheral into the computer's disc drive, or download the driver software from the manufacturer's website.


• Run the installation program and follow the on-screen instructions.


• Once the driver is installed, the computer should recognize the peripheral and it will be ready for use.

Remember to always install the correct driver for your specific peripheral and operating system version to ensure compatibility and optimal performance.

Design Principles for Screens:
- Screens use design principles that are similar to those used for printed reports.
Explanation:
- While designing screens, the same principles that are applied to printed reports are often used. This is because both mediums aim to convey information effectively and efficiently to the user or reader.
Reasons why the principles are similar:
1. Consistency: Both screens and printed reports benefit from a consistent design to ensure a cohesive and familiar experience for the user or reader. Consistency in layout, typography, color schemes, and imagery helps to establish a visual hierarchy and aids in comprehension.
2. Clarity: Clear and concise communication is essential in both screens and printed reports. Information should be presented in a logical and organized manner, with attention to readability, legibility, and the use of appropriate visuals.
3. Visual Hierarchy: Both screens and printed reports require a well-defined visual hierarchy to guide the user or reader's attention. Important information should stand out through the use of size, color, typography, and placement to ensure key messages are easily understood.
4. Usability: Screens and printed reports need to be user-friendly and intuitive. The design should consider the target audience, their needs, and the context in which the information will be consumed. Navigation, labeling, and the overall user experience are crucial in both mediums.
5. Accessibility: Both screens and printed reports should be designed with accessibility in mind. This includes considerations for individuals with visual impairments, color blindness, or other disabilities. Use of appropriate contrast, alternative text, and other accessible design practices are important in both mediums.
In conclusion, while there may be some differences in the implementation and specific considerations between screens and printed reports, the underlying design principles remain similar. Both mediums aim to effectively convey information and provide a positive user or reader experience.

Laudable is worthy of praise, and hence appalling is an antonym.

Note: Rule to make active voice of Simple Future Tense: Passive subject + shall/will + be + third form of verb + by + passive object
The above given sentence is given in Passive Voice :-
The message will be passed by Rahul.
Therefore , required answer will be option D .

Safe means free from harm. Its opposite is insecure.

The Gir Forests in Gujarat serve as the home of the Asiatic lion, making it a significant wildlife sanctuary.

Schools act as an agent of socialization through the hidden curriculum. According to sociologists, the hidden curriculum is an unintended result of education. It is the process by which the norms and values of a society are taught to children, alongside the expectations of their particular society.

Education was considered as a great part of life by Plato. He believed that education is very necessary for the progress of an individual and the nation. Education helps develop power of contemplation in educated individuals.

The triarchic theory of intelligence is also called the three forms of intelligence. Based on this theory, research on human intelligence take a more cognitive approach. 
Sternberg explained only three types of intelligence: Componential or analytical sub theory, Experiential or creative sub theory, and Contextual or practical sub theory. 
Hence, the correct answer is, 'Social.'

As I = dQ/dt ;
dQ − Idt ;
dQ = (2t² − 3t + 1)dt

Q.= 
= [2/5(125 − 27) − 32(25 − 9) + 2]
= 43.34C

Focal length of the lens remains same.
Intensity of image formed by lens is proportional to area exposed to incident light from object.
i.e.  Intensity ∝ area

After blocking, exposed area,

Hence, focal length of a lens = f, intensity of the image = 3I/4

Time taken for 360° shift = 24 h
Time taken for 1° shift = 24/360 h = 4 min.
 

Position of the p^th dark fringe is at a distance of 
y=(2p−1) (λD/2d)​ from the centre
where 
λ: Wavelength
D: Distance between slits 
d: slit width

For real object and real Image,
(1/v)+(1/u)=(1/f)=> -(1/v)-(1/u)=-(1/f)
(1/v)+(1/u)=(1/f) => 1/v=-(1/u)+(1/f)
y=mx+c
The correct answer is option B.

(A): Zn + 2HCl → ZnCl₂ + H₂
1 mole of Zn produces 2 g of H₂
0.5 mole of Zn will produce 1 g of H₂
(B): C₇₀H₂₂
Molar mass - 862
Mass of atoms = 862/6.023 x 10²³ = 1.43 x 10^-21 g
(C): 70 g of CI₂ = 6.023 x 10²³ molecules
35.5 g of CI₂ = 3.01 x 10²³ molecules
(D): Molar mass of SO₂ = 64 = 1 mole
64 g of SO₂ = 6.023 x 10²³ molecules

The correct answer is Option A
Biocatalysis refers to the use of living (biological) systems or their parts to speed up (catalyze) chemical reactions. In biocatalytic processes, natural catalysts, such as enzymes, perform chemical transformations on organic compounds.

Over 100 years ago, Henry Moseley carried out a systematic series of experiments that showed that the frequencies of the X-rays emitted from an elemental target under bombardment by cathode rays were characteristic of that element and could be used to identify the charge on its atomic nucleus.

3 eV
Co_rite Actual
Correct option

= 8 – 5
= 3eV
∴ V₀ = 3 eV

Distance from origin = 3p 

Let A (0,0); B (4m , 0) and C(4p , 4q)
M1 (2m + 2p, 2q)
M2 (2p , 2q) and M3 (2m , 0)
 Let E , F and G be the point on the median.
E = (2m + 2p) / 4, 2q / 4) = ((m + p) / 2, q / 2)
F = ((2p + 12m) / 4, (2q + 0) / 4) = ((p + 6m) / 2, q / 2)
G = ((2m + 12p) / 4, (0 + 12 q) / 4) = ((m + 6p ) / 2, 3q)
Area of traingle ABC = 1/2
Area of traingle ABC = 1/2 {(0,0,0) (4m,0,1) (4p,4q,1)}
=1/2(16) = 8 unit
Area of triangle EFG = 1/2 {((m + p) / 2, q / 2, 1)) ((p + 6m) / 2, q / 2, 1) ((m + 6p)/2, 3q, 1)}
= 25/8 unit
ar (EFG) /ar (ABC) = {25 / 8} / 8
= 25/64
 

The HCF of two consecutive numbers is always 1.

The inverse exists only for square matrix. However this is not true. A nonsingular matrix must have their inverse whether it is square or nonsquare matrix.