Learn 100 questions from RRB Group D Shift 2 2022

RRB Group D Shift 2 2022 Questions

Mendeleev’s Periodic Law states that the properties of elements are periodicfunctions of their atomic masses. This was the basis of the original periodic table developed by Dmitri Mendeleev

the properties of elements are the periodic function of their atomic masses

the properties of elements are the periodic function of their atomic numbers

the properties of elements are the periodic function of their colour

the properties of elements are the periodic function of their magnetic properties

Connecting resistors in parallel decreases the total resistance, which is equivalent to increasing the cross-sectional area of the conductor, allowing more current to flow.

increasing cross sectional area of the conductor

decreasing cross sectional area of the conductor

The formation of water from hydrogen and oxygen is a combination reaction because two reactants combine to form a single product.

Meristematic growth occurs in regions of the plant where cells continuously divide, such as the root apex, allowing the plant to grow in length

Kerala won the Santosh Trophy for the 2021-22 season, which was the 75th edition of the tournament

The Tropical Deciduous Forests, also known as monsoon forests, shed their leaves in the dry season to conserve water. Trees like safflower, shisham, khair, arjun, and mulberry are characteristic of this vegetation type, adapted to seasonal variations with a wet and dry season

A combination reaction is characterized by two or more reactants combining to forma single product. In the equation A + B → C, reactants A and B combine to form product C, which is the hallmark of a combination reaction

Optical devices with positive focal lengths focus light rays rather than diverge them. Both convex lenses and convex mirrors have positive focal lengths, making them suitable candidates for device Y.

either a concave lens or a concave mirror

Article 21 of the Indian Constitution guarantees the right to life and personal liberty. This fundamental right is protected unless deprivation occurs through a lawful process, emphasizing its importance in safeguarding individual freedom

Diastole is the phase of the cardiac cycle when the heart muscles relax aftercontraction, allowing the chambers to fill with blood. During diastole, the ventricles are relaxed, and blood flows from the atria into the ventricles as the atrioventricular(AV) valves (the tricuspid and mitral valves) open.
Thus, the correct answer is Blood enters the ventricle
.

Calcium sulphate dihydrate (CaSO₄·2H₂O) is commonly known as gypsum, a mineral used in plaster and construction. Plaster of Paris, on the other hand, is calcium sulphate hemihydrate (CaSO₄·½H₂O).

In the human excretory system, urine is formed in the kidneys and then carried by the ureters to the bladder for storage before excretion.

a Formation of urine, b Collection of urine

a-Formation of urine, b Carrying urine for storage

a Formation of urine, b - Throwing urine outside the body

a-Collection of urine, b Formation of urine

Nagaland does not have Panchayati Raj Institutions, as it follows a traditional community governance system, distinct from the Panchayati Raj setup common in other Indian states

Marginal propensity to consume (MPC) is the ratio of change in consumption to change in income, indicating the proportion of additional income spent on consumption

In January 2022, India surpassed other countries to become the world’s top exporter of cucumbers. This achievement is attributed to India's extensive agricultural sector,favorable climate conditions for cucumber cultivation, and effective export strategies that have enabled it to lead the global cucumber market

The magnification (m) produced by a lens is defined as the ratio of the height of theimage (h') to the height of the object (h). In terms of distances, magnification is alsogiven by the formula:
m = v / u
v = image distance from the lens
u = object distance from the lens

The Shanti Swarup Bhatnagar Prize for Science and Technology is one of India’s highest multidisciplinary science awards, presented annually by the Council of Scientific and Industrial Research (CSIR). In 2021, the recipients included Dr. AmitSingh, Dr. Kanishka Biswas, and Dr. Anish Ghosh, recognized for their significant contributions in their respective scientific fields

Dr. Subimal Ghosh, Dr. Neena Gupta and Dr. Dhiraj Kumar

Dr. Vatsasla Thirumalai, Dr. Abhijit Mukharjee and Dr. Subi Jacob George

Dr. Bushra Ateeq, Dr. Ritesh Agarwal and Dr. Surajit Dhara

Dr. Amit Singh, Dr. Kanishka Biswas and Dr. Anish Ghosh

As of 15th June 2022, Sonali Singh was serving as the Controller General of Accounts(CGA) in India. She was appointed to this position and took over the responsibilities of overseeing the accounts and financial reporting functions under the Department of Expenditure, Ministry of Finance.

The Indian Official Language Act was passed in 1963 to give Hindi and English official language status, ensuring smooth administration across different language

Resistivity (ρ) is a material property and does not depend on the length or cross-sectional area. Cutting the wire into parts does not change its resistivity; thus, each part has resistivity ρ.

Fatehpur Sikri was the first planned city built by Emperor Akbar. It served as the Mughal capital for some years and showcases Mughal architectural brilliance.

Sushil Chandra was the Chief Election Commissioner (CEC) of India as of March2022. The CEC oversees the conduct of free and fair elections in India.

note: Shri Gyanesh Kumar took charge as the 26th Chief Election Commissioner of India on 19th February 2025

The ketone homologous series starts with propanone (CH₃COCH₃) as the simplestketone because a ketone requires at least three carbon atoms. The next member isbutanone (CH₃COC₂H₅)

Raja Rammohan Roy established the Atmiya Sabha in 1815 to promote social andreligious reforms in Bengal, advocating against practices like Sati and encouragingeducation and rational thinking

The Hyderabad Literary Festival 2022 had the United Kingdom as its guest nation.This annual festival showcases a diverse range of literary, artistic, and cultural events, with a focus on promoting cross-cultural dialogue and understanding. The inclusion of the UK as the guest nation highlighted the country's contributions to literature and facilitated cultural exchange between the nations

The first commercial-scale biomass-based hydrogen plant in India is being set up in Khandwa district, Madhya Pradesh. This plant represents a significant step in promoting clean and renewable energy sources, utilizing biomass to produce hydrogen, which is an eco-friendly fuel with potential applications in various industries.

During colonial times, about 85% of India’s population was dependent on agriculture as their primary livelihood. The British policies focused on cash crop cultivation, impacting the traditional agrarian economy

Resistance is inversely proportional to the square of the radius. Given that the resistance of A is 9 times that of B, the radius ratio is √9 = 3, so the radius of A to B is1 : 3.

According to Faraday’s Law of Induction, increasing the number of turns in the coil or the speed of the magnet increases the induced current. Increasing resistivity would reduce current, so options (i) and (ii) are correct

(1) Increasing the number of turm in the coil

(3) Increasing the resistivity of the wire of the coil

Option 1 describes a characteristic of plastic bags rather than an environmental implication. The other options explain the negative impact of plastic on animals and the environment, making Option 1 the odd one out

The 5 R's for sustainable development are Refuse, Reduce, Reuse, Repurpose, and Recycle. "Regeneration" is not one of the 5 R’s, making it the correct answer.

The Gir National Park in Gujarat, India, is the primary habitat for the Asiatic lion, with conservation efforts focused here to protect this endangered species.

When a spherical mirror forms an erect and diminished image, it is typically a convex mirror. A convex mirror always forms a virtual, erect, and diminished image regardless of the position of the object

(C) The mirror has positive focal length.

According to the National Multidimensional Poverty Index by NITI Aayog in 2021, Bihar was identified as the state with the highest poverty levels

The magnetic field strength of a coil is directly proportional to the number of turns. Thus, a coil with six turns will produce a field 6 times stronger than a single turn coil.

Oral contraceptive pills primarily prevent ovulation, reducing the chance of fertilization by stopping the release of eggs from the ovaries

The growth of pollen tubes towards ovules is an example of chemotropism(response to chemicals), not geotropism (response to gravity).

Hydrotropism is the tendency to grow in moist areas, i.e., the movement of roots towards high humidity

Geotropism is demonstrated by the downward migration of roots.

The growth of pollen tubes towards ovules is an example of geotropism

Cesium (Cs) is the most electropositive element among the options. Electro positivity increases down the group in alkali metals, with Cs being the most electro positive in this group.

Sarpagandha is known for its effectiveness in managing high blood pressure due toits natural properties, which help in calming the nervous system.

Caustic soda (sodium hydroxide) is commonly used in the detergent, fabric, and paper industries but is not used in ammonia manufacturing

The apparent position of stars changes due to atmospheric refraction, which is caused by changes in atmospheric conditions, making option 4 correct.

the physical conditions of the atmosphere are stationary

the atmosphere consists of a mixture of gases

the physical conditions of the atmosphere keep changing

C₃H₈, C₄H₁₀, and C₅H₁₂ are alkanes, fitting the formula CnH2n+2 , and thus belong to the same homologous series

Lakshya Sen won the silver medal in the All England Badminton Championships2022, marking a significant achievement in his career

-As the germ cells contain 2n chromosomes, it is a diploid cell.
-It goes through meiosis to develop from a gamete with half as many
chromosomes. 
-The chromosome is divided into two categories: autosomes and allosomes, which
are sex chromosomes. 
-Since, meiosis occurs in the production of ovum, chromosomes divide into exact
half, thus there will be 8 autosomes and 1 sex chromosome.
-Therefore, it contains 2 sex chromosomes and 16 autosomes in total. Hence, 16 is the number of the autosomes of this species

x=0.474747.....
100x=47.47.....
100x-x=47
99x=47
x=47/99

Either conclusion I or conclusion III follows

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