DSE Odisha TGT Science PCM Mock Test - 10 - OTET MCQ

The Peninsular Plateau in India is surrounded by the Western Ghats in the west, the Eastern Ghats in the east, and several other mountain ranges in the north. It exhibits a diverse geographical and cultural tapestry.

According to the 2011 Census, approximately 80% of the Indian population practices Hinduism. It is the most ancient and dominant religion in the country.

Core Sectors are considered the backbone of other industries because they play a crucial role in supporting the growth and development of various industries. Their significance extends to influencing and impacting the overall economic landscape.

The State of Odisha is endowed with the largest share of resources of nickel ore in the country at 175 million tonnes (93%) followed by Jharkhand & Nagaland. These resources are mainly found to occur in three districts, namely, Jajpur (140 million tonnes), Mayurbhanj (27 million tonnes) and Keonjhar (8 million tonnes).

Hence, Option B is correct.

So the answer = (100 – 50)% of 700 + (100 – 60)% of 500 = 550
Hence, Option D is correct.

Explanation:
In real-time operating systems (RTOS), the response time is very critical. Here is a detailed explanation:
Real-time Operating System (RTOS):
- An operating system designed for systems that require precise and predictable response times.
- It is used in applications such as industrial control systems, aerospace systems, medical devices, etc.
Response Time:
- The time it takes for a system to respond to a request or event.
- In real-time operating systems, the response time needs to be very fast and predictable.
Importance of Response Time:
- In certain applications, such as control systems or critical medical devices, even a small delay in response time can have serious consequences.
- Real-time operating systems are designed to ensure that the response time is as fast and predictable as possible.
Comparison with other Operating Systems:
- Multitasking Operating System: In multitasking operating systems, response time is important, but not as critical as in real-time operating systems. These operating systems prioritize multiple tasks and allocate resources accordingly.
- Batch Operating System: In batch operating systems, response time is not critical as the system processes a batch of tasks without any user interaction.
- Online Operating System: In online operating systems, response time is important, but not as critical as in real-time operating systems. These operating systems prioritize online user interactions but may not guarantee precise response times.
Conclusion:
- In real-time operating systems, the response time is very critical due to the nature of applications that require precise and predictable response times.
- Real-time operating systems are designed to prioritize and optimize response times to ensure fast and predictable system behavior.

The performance of a data communications network depends on several factors. Here are the key points:
Number of Users:
- The number of users accessing the network simultaneously can affect its performance.
- As the number of users increases, the network may experience congestion and slower speeds.
- Network capacity needs to be sufficient to handle the traffic generated by all users.
The Hardware and Software:
- The quality and efficiency of the hardware components used in the network infrastructure can impact performance.
- This includes routers, switches, cables, and other networking equipment.
- Similarly, the software used to manage and control the network plays a crucial role.
- Proper configuration and updates are essential to optimize performance.
The Transmission:
- The transmission medium used for data transfer, such as copper wires, fiber optic cables, or wireless connections, can affect network performance.
- The bandwidth and speed capabilities of the transmission medium impact data transfer rates.
- Interference or signal degradation can occur, leading to slower or unreliable connections.
All of These:
- All the mentioned factors (number of users, hardware and software, and transmission) collectively contribute to the overall performance of a data communications network.
- Neglecting any of these aspects can result in poor network performance and user experience.
In conclusion, the performance of a data communications network is influenced by the number of users, the quality of hardware and software components, and the characteristics of the transmission medium. Considering and optimizing these factors is crucial for maintaining an efficient and reliable network.

Data Transfer Rate for USB 2.0:

• USB 2.0: The data transfer rate for USB 2.0 is 480 Mbps (megabits per second).

Explanation:

• USB 2.0: USB 2.0 is a widely used standard for connecting devices to a computer. It is an upgraded version of USB 1.1 and offers faster data transfer speeds.


• Data Transfer Rate: The data transfer rate refers to the speed at which data can be transmitted between devices through the USB connection.


• 480 Mbps: USB 2.0 supports a maximum data transfer rate of 480 Mbps. This means that data can be transferred at a speed of up to 480 megabits per second.


• Comparison: The other options provided (512 Mbps and 520 Mbps) are not correct as they do not match the actual data transfer rate of USB 2.0.

Summary:

Therefore, the correct answer is option A: 480 Mbps. USB 2.0 has a data transfer rate of 480 Mbps, allowing for faster and more efficient data transfer between devices.

In lower classes, the play-way method of teaching is based on Psychological principles of development and growth. Psychology is something arising in a mind or is related to the mental or emotional state of a person.
So, Play-way methods are such that can affect the cognitive or mental development of the children. They start perceiving, thinking and gains understanding.
Hence, the correct answer is, 'Psychological principles of development and growth.'

Social values refer to the ways by which an individual behaves in the society. If the teacher behaves ideally in class, she will be able to develop social values in her student as the students learn from their teachers.

In order to avoid gender stereotyping in class, a teacher should try to put both boys and girls on non-traditional roles. A teacher should take care of each child irrespective of their gender. He/she should ensure the students' maximum potential. Everyone has the right to education. A teacher should ensure that his/her students derive maximum benefit from education.
Hence, the correct answer is, 'Try to put both boys and girls in non-traditional roles.'

A Concept map is a type of diagram that depicts relationships between concepts. The relationship is represented in circles or boxes; concepts are linked through words and phrases. These words and phrases explain the connection between ideas and help students understand information and concepts.
Hence, the correct answer is, 'Increase the ability to organize information logically.'

Affective motives deal with the need to reach satisfying feeling states and obtain personal goals. Maslow's theory deals with all types of needs. His Hierarchy of Needs Theory includes Psychological needs (food, air, water.) Safety needs (personal security, health.) Love and Belonging need (friendship, intimacy.) Esteem needs (respect, status.
Hence, this is the correct answer.

Children with special needs are disabled and any restriction or lack (resulting from an impairment) of ability to perform an activity in a manner or within the range considered normal for a human being. 

Key Points

Education of children with special needs should be provided in an inclusive classroom, along with other normal children as:

• Inclusive classroom values the diversity, each child brings to the classroom and facilitates all with equal opportunities to learn and grow.
• They should be taught in the same schools only with the help of special education experts.
• It provides a provision to include disabled children along with normal children in a regular classroom regardless of their differences and disabilities.
• it will integrate children with disabilities in the general community to prepare them for normal development and will keep them as a part of mainstream education

• If we provide them, education in special schools or in special classes or by special teachers, the inferiority complex will develop in them which could lead to anxiety and frustration.

Hence, we can conclude that children with special needs should be taught in the same schools only with the help of special education experts. 

Active agencies of Socialization are the family, the schools, the community, the religion, the state, social clubs, etc. These are the agencies where socialization takes place actively. Passive agencies are Cinema, T.V, Radio, Newspapers, Public Library, magazines, marketplace, etc. In public libraries, people learn about manners, rules, etc but actual interaction does not take place.
Hence, the correct answer is, 'Public Library.'

An analyser or analyzer is a person or device that analyses given data. It examines in detail the structure of the given data and tries to find patterns and relationships between parts of the data. An analyser can be a piece of hardware or a computer program running on a computer.

The principle of reversibility of light states that light follows the same path if the direction of the travel of light is reversed.
The principle of reversibility presumes that the attenuation of a light ray during its passage through an optical medium because of reflection, refraction, and absorption is not affected by a reversal of the direction of the ray. In its simplest explanation, the principle of reversibility is a deduction of Snell’s law of the refraction of light. The principle of reversibility presumes that the attenuation of a light ray during its entrance through an optical medium due to reflection, refraction, and absorption is not changed by a reversal of the direction of the ray.

As per the given condition,
Real depth of the liquid= 1 m
Apparent depth of the liquid =1−0.1=0.9 m
Refractive index of the liquid = Real Depth/Apparent Depth ​=1/0.9​=1.11
 

Brewster's angle is an angle of incidence at which light with a particular polarization is perfectly transmitted through a transparent dielectric surface, with no reflection. When unpolarized light is incident at this angle, the light that is reflected from the surface is therefore perfectly polarized.
So the angle of incidence would be 60°

Using the lens maker’s formula we get
p= (μ−1) (1/R₁​+1/R₂​)
As we can clearly see, when R₁= R₂= 5cm then the maximum power is achieved.

If the final rays are converging, we have a real image.
This is because a real image is formed by converging reflected/refracted rays from a mirror/lens.
The correct answer is option B.

Current in both wires, I = 200 A
Distance between the wires, r = 2 cm = 0.02 m
Length of the two wires, l = 50 cm = 0.5 m
Force between the two wires is given by the relation,
F=μ_oI²/2πr
where, μ_o = permeability of free space = 4π x 10^-7 TmA^-1
So, F = [4π x 10^-7 x (200²)]/[2π x 0.02]
⇒   F   =  0.4 Nm^-1

The Aufbau principle states that in the ground state of an atom, an electron enters the orbitals of lowest energy first and subsequent electrons are filled in the order of increasing energies. In the given orbital diagram, option (c) violates the Aufbau principle as electrons switch to p orbitals without completely filling the s orbital which has comparatively low energy.

Au(OH)₃ + 4HCl → HAuCl₄+ 3H₂O…(1) ∆H₁=-28kcal
Au(OH)₃ + 4HBr → HAuBr₄ + 3H₂O ...(2) ∆H₂= -36.8kcal
To convert HAuBr₄ to HAuCl₄, the net reaction is
HAuBr₄ + 4HCl→ HAuCl₄ + 4HBr ...∆H=?
For the above reaction: 
∆H =∆H₁ - ∆H₂
      = -28 - (-36.8) = 8.8 kcal
Thus to convert one mole of HAuBr₄ to HAuCl₄ we require 8.8 kcal energy but since the energy absorbed is 0.44 kcal.
hence %conversion =[(0.44)/(8.8)] x 100 = 5%
Hence the percentage conversion is 5%.

Complex carbonyls follow Sidwick's EAN rule i.e compound with EAN 36 will be relatively more stable than other metal carbonyls. Iron pentacarbonyl has EAN number of 36 = Z−X+Y = (26−0+2x)
[Z = atomic number, X = oxidation state of metal, Y= total electrons donated by ligand]
∴x = 5. So, the formula will be Fe(CO)5.

Since y−coordinate is called ordinate. 
Therefore, ordinate is −7.

In the Additive Identity of vectors, the additive identity is zero vector 0.
For any vector V additive identity is defined as,
0 + V = V and V + 0 = V

y + sin y = 5x
dy/dx + cos ydy/dx = 5
dy/dx = 5/(1+cos y)