KVS PGT Physics Mock Test - 1 - KVS PGT/TGT/PRT MCQ

The word 'to' is used as an appropriate preposition with 'coming' in cases where a common conclusion is attained.   
Example-The trader bargained and came to a common price with the dealer.

सही उत्तर विहित है।

Key Points

• निषिद्ध का विलोम विहित है।
• निषिद्ध का अर्थ- जिसका निषेध किया गया हो
• विहित का अर्थ- उचित, मुनासिब।

अन्य विकल्प-

• कठोर का अर्थ होता है - कड़ा, सख़्त।
  • कठोर का विलोम कोमल
• विहित का अर्थ होता है - उचित।
  • विहित का विलोम- 'निषिद्ध
• आदृत का अर्थ होता है - सम्मानित।
  • आदृत का विलोम- निरादृत
• सिद्ध का विलोम असिद्ध

सभी शब्दों के अर्थों से हमें ज्ञात होता है कि निषिद्ध का विलोम शब्द विहित होता है।

अथ - प्रारम्भ विलोम युग्म सुमेलित नहीं है।

Key Points

• अथ का अर्थ - आरम्भ तथा मंगलसूचक
• प्रारम्भ का अर्थ - शरुआत
• अतः स्पष्ट है अथ - प्रारम्भ विलोम युग्म नहीं है।

Additional Information

• एक़-दूसरे के विपरीत या उल्टा अर्थ देने वाले शब्द विलोम कहलाते है।
• सरल शब्दों में- जो शब्द किसी दूसरे शब्द का उल्टा अर्थ बताते हैं, उन्हें विलोम शब्द या विपरीतार्थक शब्द कहते है।
• जैसे- अपेक्षा- उपेक्षा, आय- व्यय, आजादी-गुलाम, नवीन- प्राचीन शब्द एक दूसरे के उलटे अर्थ वाले शब्द है। अतः इन्हें 'विलोम शब्द' कहते हैं।
• अत: विलोम का अर्थ है- उल्टा या विरोधी अर्थ देने वाल़ा।
• विलोम शब्द अपने सामनेवाले शब्द के सर्वदा विपरीत अर्थ प्रकट करते हैं।

The correct answer is option 4, i.e. Kanshi Ram.

• The Bahujan Samaj Party (BSP), English Majority People’s Party, national political party in India.
• It was formed on the birth anniversary of B. R. Ambedkar, 14 April 1984, by Kanshi Ram.
• It represents the lowest level of peoples at the Hindu social system.
• The designated members are of the Scheduled Castes, Scheduled Tribes, and Other Backward Classes as well as other religious and social minorities.

The correct answer is Spleen.

Spleen is an organ on the left side of the abdomen below the stomach. 

It performs two major functions:

1. Storage of blood - Blood vessels of spleen can alter their thicker and become wider or narrower depending on the situation. In case of emergency situations like trauma & severe injuries where a lot of blood gets lost, the spleen expand its vessels and hold the blood. This reserve blood is then transported to the organ where blood is required. For this reason the spleen is also called the blood bank of human body.
2. Filtration of blood - Spleen filters the blood & removes the old & dead RBCs. It acts like a maze from which healthy RBCs can easily pass while the old & dead RBCs get stuck in it. These are then broken down in the spleen by macrophages. For this reason the spleen is also called as The Graveyard of RBCs.
   

Additional Information 

Heart:

• The heart is a mesodermally derived organ, that is present in the thoracic cavity, in between the two lungs, slightly tilted to the left. It has the size of a clenched fist. It is protected by a double-walled membranous bag, pericardium, enclosing the pericardial fluid.

Liver:

• The liver is the largest gland of the human body. It performs the function of detoxification of harmful substances in the body
• For example, it converts harmful ammonia into urea,  It also breaks down alcohol and other such substances in the blood. 

Bone marrow:

• Bone marrow refers to the tissue located in the hollow interior of long bones. It is composed of adipose tissue, areolar tissue, and blood cells.
• Bone marrow is mainly of two types – red and yellow

Concept:

• Plant growth hormones or phytohormones are simple molecules with complex chemical composition, that regulates the growth and physiology of plants.
• Based on their functions on the living plant body they can be classified into two groups:

1. Plant growth promoters - Promotes activities like cell division, cell enlargement, flowering, fruiting, etc. Eg. Auxins, Gibberellins & cytokinins.
2. Plant growth inhibitors - They are involved in various growth-inhibiting activities like dormancy, and abscission. Eg. Abscisic acid.

• Gaseous PGR like ethylene can be put into both groups, however, it is largely an inhibitor of growth activities.

Explanation:

• Ethylene is a simple gaseous PGR.
• It is synthesized in large amounts by tissues undergoing senescence and ripening fruits.
• Influences of ethylene on plants include horizontal growth of seedlings, swelling of the axis, and apical hook formation in dicot seedlings.
• Ethylene promotes senescence and abscission of plant organs, especially of leaves and flowers.
• Ethylene is highly effective in fruit ripening. It enhances the respiration rate during the ripening of the fruits. This rise in the rate of respiration is called respiratory climactic.
• Ethylene breaks seed and bud dormancy, initiates germination in peanut seeds, sprouting of potato tubers.
• Ethylene promotes rapid internode/petiole elongation in deepwater rice plants.
• It helps leaves/ upper parts of the shoot to remain above water.
• Ethylene also promotes root growth and root hair formation, thus helping the plants to increase their absorption surface.

Additional Information

The logic follows here is :

Sum of place values of alphabets of the given word = Given number.

MONK → M + O + N + K = 13 + 15 + 14 + 11 = 53.

Similarly,

TUTOR → T + U + T + O + R = 20 + 21 + 20 + 15 + 18 = 94.

Hence, the correct answer is "94".

A man walks 30 meters towards South, then turning to his right, he walks 30 meters, then turning to his left, he walks 20 meters, again turning to his left, he walks 30 meters. The figure are given below -

50 meters far is he from his starting point.

Hence, "50 meters" is the correct answer.

Visual impairment for children with poor vision, children who can see light but no shapes, to children who have no perception of light at all. However, for general discussion, it is useful to think of this population as representing two broad groups: those with low vision and those who are legally blind.

Key Points

• ​A child is termed legally blind when its visual acuity (sharpness of vision) is 20/200 or worse after correction, or when the field of vision is less than 20 degrees; in the best eye after correction.
• Low vision includes problems (after correction) such as dimness of vision, haziness, film over the eye, foggy vision, extreme near- or farsightedness, distortion of vision, spots before the eyes, colour distortions, visual field defects, tunnel vision, no peripheral vision, abnormal sensitivity to light or glare, and night blindness.
• Visually impaired children can be classified as Children with poor vision and Such children who can see light but cannot see shapes.

​Hence, we can conclude that Both I and II are the correct statement regarding the visually impaired.

Socialization: The process by which an individual learns the values, norms, mores of the society.

Key Points

•  It is a process by which a person learns to behave interdependently for human welfare.
• Socialization is the process of learning to become a member of society. It includes formal and informal education.
• Socialization is done by parents, teachers peers, neighbors, and educational and religious institutions.
• The process of socialization begins from the birth of the child and ends with the death of the person.
• During this time we learn the values, beliefs, and norms of the society. Some of the values, beliefs and norms that we learn for becoming a member of society are appreciated while some are not appreciated, rather to some extent criticized.

​Additional Information

• Types of Socialization:
  • Primary socialization occurs within the family and is where children first learn their own individual identity, acquire language, and develop cognitive skills.​
  • Secondary socialization refers to the social learning that children undergo when they enter other social institutions, like school. Characteristics of the school, teachers, and peer group all influence the socialization of children within school settings.
  • Developmental Socialization: new learning is added to and blended with old in a relatively smooth and continuous process of development.
  • Reverse Socialization: the younger generation transfers knowledge to the older generation. This occurs mostly in industrial societies where the pace of technological change is very rapid, a good example is children teaching their parents how to use computers.
  • Resocialization: this involves a sharp break from the past. The military is a good example. --"Officer and a Gentleman" -- the military, prisons, religious cults, etc.

Hence, we can conclude that the process by which a person learns to behave interdependently for human welfare. That process is socialization.

Explanation:for electromagnetic induction magnet and coil both may move but relative motion between must be present

 Answer :- d

Solution :- as we know that H= (I₀² R)/2 * T/2 -----------------------(1)

If I(rms) be the rms value of ac then

H = I²_(rms)R T/2 ---------------------(2)

From eq (1)&(2)

I²_(rms)R T/2 = (I₀²R)/2 * T/2

I²_(rms) = (I₀²)/2

= I_(rms)= (I₀)/(2)^½

= I_(rms) = 0.707 I₀

When the natural frequency and external frequency of an object are equal the phenomenon is called resonance.

We know that Gravitational force = 

and,

The SI unit of the universal gravitational constant is N m²/kg²
The SI unit of the acceleration due to gravity is the same as that of acceleration.
Hence, the SI unit of the acceleration due to gravity is m/s².
So, the SI unit of 

Initial force = load x g = 2 x 10 = 20 N

∴ initial acceleration = Force/Mass =

Final force = (load + mass of the thread) x g = ( 2 + 1 ) x 10 = 30N

∴  Final acceleration = (30/8) m/s²

Weight is a force caused by gravity. The weight of an object is the gravitational force between the object and the Earth. The more mass the object has the greater its weight will be. Weight is a force, so it's measured in newtons.

Electric flux = electric field intensity x area. The dimension of field intensity is [M L T^-3 I^-1] and the dimension of the area is [L²]. Therefore, the dimension of flux = [M L³ T^-3 I^-1]. This can also be justified as flux=potential x length. By putting the dimensions of potential and length, we can get the same result.

Q = CV, where C is decided only by the geometrical factors

Correct option is B.

Changes(if required): The answer provided in the forum is wrong, The correct answer would be option B.
Solution:
Given,
V_R-rms =30.0V
V_C-rms=90.0V
V_L-rms=50.0V
To find the root mean square voltage across the source, we will use the formula,
V_rms=√[V_r²+(V_L-V_C)²]
=√[(30.0V)² +(50.0V-90.0V)²]
=50.0 V

Electric field is the force per unit charge hence, the correct expression is: E=F/Q.

Initial velocity = u = 20 m/s 
Final velocity = v = 0     ( at maximum height , v = 0 )
Acceleration due to gravity(g)  in this case, is taken as negative.
This is because when the direction of motion of object is opposite to "g" , then value of g is taken as -ve.
Hence, g = -9.8 m/s²
Using v² - u² = 2gh
0² - 20² = 2 * (- 9.8) * h
- 400 = -19.6 h
h = - 400 /(-19.6) = 20.408 m (approximately)

Let us assume a force dF is applied at P in positive x - direction. This will stretch each spring by dl inducing a spring force dFs in each spring.

Let the static deformation of the system is dx (along the x-direction). The particle is in equilibrium. So,

Using Pythagoras theorem, 

Here y is constant. 

Zeroth law states that if two thermodynamic systems are each in thermal equilibrium with a third one, then they are in thermal equilibrium with each other. Thus as it deals with thermal equilibrium it is very clear that it is a concept of temperature.

Explanation:North pole act as positive end and South pole act as negative end. The iron fillings in the presence of magnetic field  gets magnetized and form a tiny magnet which then gets  attracted to the poles of bar magnet. North pole of bar magnet attracts south pole of tiny magnet and vice-versa. So all the iron fillings are arranged as the magnetic field lines of bar magnet. 

KEY CONCEPT : When a charged particle is moving at right angles to the magnetic field then a force acts on it which behaves as a centripetal force and moves the particle in circular motion.