MCSCCE • 2023 • Paper-I
The world’s best and unique semiconductor and chip manufacturing industry is
A)
Intel Corp. (INTC)
B)
Taiwan Semiconductor Manufacturing Co. Ltd. (TSM)
C)
Qualcomm Inc. (QCOM)
D)
Broadcom Inc. (AVGO)
Taiwan Semiconductor Manufacturing Company (TSMC) is the world's most dominant and technologically advanced dedicated semiconductor foundry.
MCSCCE • 2023 • Paper-I
Which sugar is present in DNA?
A)
Hexone
B)
Heptose
C)
Pentose
D)
Tetrose
DNA (deoxyribonucleic acid) contains deoxyribose, a 5-carbon monosaccharide sugar classified chemically as a pentose sugar.
MCSCCE • 2023 • Paper-I
The number of Biosphere Reserved in India is amounting to
A)
15
B)
21
C)
18
D)
14
India currently has 18 designated Biosphere Reserves established under the UNESCO Man and the Biosphere (MAB) framework and national policy.
MCSCCE • 2023 • Paper-I
Arrange the following traditional Mizo weaving craft in the correct order
A)
Herawt, la sai, chawn, hmui, ladinlek, suvel
B)
Herawt, chawn, la sai, ladinlek, hmui, suvel
C)
Herawt, la sai, chawn, ladinlek, hmui, suvel
D)
Herawt, chawn, la sai, hmui, ladinlek, suvel
The traditional Mizo cotton processing and spinning sequence proceeds in order: Herawt (ginning/seed removal) -> La sai (scutching/teasing cotton) -> Chawn (rolling slivers) -> Hmui (spinning yarn) -> Ladinlek (winding skeins) -> Suvel (revolving frame to wind yarn balls).
MCSCCE • 2023 • Paper-I
The famous chief of the spirit, Sahmula is said to be ruled over
A)
Tan tlang
B)
Hachhek tlang
C)
Mawmrang tlang
D)
Phawngpui tlang
In Mizo folklore and traditional beliefs regarding the spirit world, Sahmula is recognized as a powerful and famous chief of the spirits. According to traditional oral narratives and Mizo mythology, Sahmula is said to rule over 'Hachhek tlang'. The other options (Tan tlang, Mawmrang tlang, and Phawngpui tlang) refer to other geographical locations or peaks, with Phawngpui being the highest peak in Mizoram (the Blue Mountain), but they are not the seat of Sahmula's rule in folklore.
MCSCCE • 2023 • Paper-I
Which city has hosted 2023 Hero Tri-Nation International Football Tournament?
A)
Kolkata
B)
Kochi
C)
Itanagar
D)
Imphal
The 2023 Hero Tri-Nation International Football Tournament was hosted by Imphal, Manipur.
MCSCCE • 2023 • Paper-I
Which is the smallest constituent of matter?
A)
Atom
B)
Quark
C)
Electron
D)
Proton
To determine the smallest constituent of matter, we must look at the hierarchy of subatomic particles:
1. **Atom (Option a):** For a long time, atoms were considered the smallest unit of matter. However, we now know they are composed of a nucleus (protons and neutrons) and electrons.
2. **Proton (Option d):** Protons are found in the nucleus. While smaller than an atom, they are composite particles made of smaller entities called quarks.
3. **Electron (Option c):** Electrons are leptons. According to the Standard Model of particle physics, leptons (like electrons) are elementary particles, meaning they have no known internal structure. However, in the context of this specific multiple-choice question, we must compare them to quarks.
4. **Quark (Option b):** Quarks are the fundamental constituents of hadrons (such as protons and neutrons). Like electrons, quarks are elementary particles. In the context of general science exams, when 'Quark' is listed alongside 'Atom', 'Proton', and 'Electron', it is the intended answer because it represents the most fundamental level of matter that builds the nucleus. While electrons are also elementary, quarks are the building blocks of the nucleons that form the bulk of the atom's mass. In the hierarchy of 'constituents', quarks are the most basic building blocks of the hadronic matter that makes up the nucleus.
MCSCCE • 2023 • Paper-I
Consider which among the following is not a constitutional body in India
A)
Niti Aayog
B)
State Election Commission
C)
Finance Commission
D)
National Human Rights Commission
NITI Aayog is a non-constitutional, non-statutory body created via a Union Cabinet executive resolution on January 1, 2015.
MCSCCE • 2023 • Paper-I
According to which article of the Indian Constitution, the Union Budget of a year is referred to as the Annual Financial Statement?
A)
Article 108
B)
Article 115
C)
Article 113
D)
Article 112
Article 112 of the Constitution of India provides that the President shall lay before Parliament an 'Annual Financial Statement' containing the estimated receipts and expenditures of the Union government for the financial year (commonly known as the Union Budget).
MCSCCE • 2023 • Paper-I
In what language was the Indian National Anthem (Jana Gana Mana) originally composed?
A)
Bengali
B)
Punjabi
C)
Hindi
D)
Marathi
The Indian National Anthem, 'Jana Gana Mana', was originally composed in Bengali by Rabindranath Tagore, titled 'Bharoto Bhagyo Bidhata'.
MCSCCE • 2023 • Paper-I
Who called the Preamble as Political Horoscope of Indian Constitution?
A)
Balwant Singh Mehta
B)
N A Palkhi Wala
C)
B. Shiva Rao
D)
K.M. Munshi
K.M. Munshi referred to the Preamble of the Indian Constitution as the 'Political Horoscope'.
MCSCCE • 2023 • Paper-I
The name Zawlthlia in Mizo folktales is seen in
A)
Sazaltepa leh Bakvawmtepu
B)
Runginu leh Thialtea
C)
Lasiri leh Lalsara
D)
Rimenhawihi
Zawlthlia is famously the husband of Rimenhawihi in Mizo folktales.
MCSCCE • 2023 • Paper-I
Diwani of Bengal, Bihar and Orissa was granted to the East India Company after their victory in the
A)
Third Battle of Panipat 1761
B)
Battle of Plassey 1757
C)
Battle of Buxar 1764
D)
Battle of Wandiwash 1760
Following the British victory in the Battle of Buxar (1764), Mughal Emperor Shah Alam II granted the Diwani rights of Bengal, Bihar, and Orissa under the Treaty of Allahabad (1765).
MCSCCE • 2023 • Paper-I
Which of the following organelles is the site of protein synthesis in a cell?
A)
Peroxysome
B)
Ribosome
C)
Mitochondria
D)
Nucleus
Ribosomes are the site of protein synthesis.
MCSCCE • 2023 • Paper-I
Consider the following pairs:
1. Article 371-A - Special provisions for Nagaland
2. Article 371-B - Special provisions for Goa
3. Article 371-F - Special provisions for Sikkim
4. Article 371-H - Special provisions for Arunachal Pradesh
Which of the pairs given above is/are correctly matched?
A)
1, 2 & 3
B)
1 & 2 only
C)
3 & 4 only
D)
1, 3 & 4
Article 371-A applies to Nagaland, Article 371-F applies to Sikkim, and Article 371-H applies to Arunachal Pradesh. Article 371-B applies to Assam (Goa is under Article 371-I). Hence, pairs 1, 3, and 4 are correctly matched.
MCSCCE • 2023 • Paper-I
Grants to the Autonomous Tribal Areas are provided by the:
A)
Article 272
B)
Article 274
C)
Article 275 (1)
D)
Article 280
Article 275(1) of the Indian Constitution provides for grants-in-aid to states for specific purposes, including the welfare of scheduled tribes and development of scheduled areas.
MCSCCE • 2023 • Paper-I
Which of the following greenhouse gases has the highest atmospheric lifetime?
A)
CO2
B)
N2O
C)
CH4
D)
CF4
Perfluorocarbons like CF4 (Carbon tetrafluoride) have exceptionally long atmospheric lifetimes.
MCSCCE • 2023 • Paper-I
Which among the following is the oldest Veda?
A)
Sama Veda
B)
Yajur Veda
C)
Rig Veda
D)
Atharva Veda
The Rig Veda is the oldest of the four Vedas.
MCSCCE • 2023 • Paper-I
The isotope of carbon used in radiocarbon dating is
A)
C-12
B)
C-13
C)
C-14
D)
C-15
Carbon-14 (C-14) is the unstable radioactive isotope of carbon used in radiocarbon dating to determine the age of organic carbon-bearing materials up to roughly 50,000 years.
MCSCCE • 2023 • Paper-I
Which of the following acts as photosensitizer during photosynthesis?
A)
Haemin
B)
Pyruvic acid
C)
Chlorogen
D)
Chlorophyll
Chlorophyll is the pigment that absorbs light energy and acts as a photosensitizer in the process of photosynthesis.
MCSCCE • 2023 • Paper-I
Maximum reservoir of carbon dioxide is found in
A)
Atmosphere
B)
Landmass
C)
Oceans
D)
Forest
The Earth's carbon cycle involves the movement of carbon between several reservoirs. Among the options provided:
1. **Oceans (Correct):** The oceans are the largest active reservoir of carbon. Carbon is stored in the ocean in several forms, primarily as dissolved inorganic carbon (bicarbonate and carbonate ions). The deep ocean, in particular, holds far more carbon than the atmosphere and terrestrial biosphere combined.
2. **Atmosphere:** While the atmosphere is critical for the greenhouse effect and carbon exchange, it holds a relatively small fraction of the total global carbon compared to the oceans and the lithosphere.
3. **Landmass/Forests:** Terrestrial ecosystems (including forests and soil) store significant amounts of carbon in biomass and organic matter, but this is substantially less than the amount sequestered in the global oceans.
Note: If 'Lithosphere' or 'Sedimentary Rocks' were an option, they would be the absolute largest reservoir overall; however, among the choices provided (Atmosphere, Landmass, Oceans, Forest), the Oceans are the maximum reservoir.
MCSCCE • 2023 • Paper-I
A tropical cyclone occurring around the Caribbean Sea and Gulf of Mexico is called?
A)
Typhoon
B)
Willy-Willy
C)
Hurricane
D)
Tornado
Intense tropical cyclones in the Caribbean Sea, Gulf of Mexico, and Atlantic Ocean are classified as hurricanes.
MCSCCE • 2023 • Paper-I
‘Dawhthleng’ is connected with
A)
Bahzar
B)
Luhka
C)
Pûm
D)
Tapchhak
In traditional Mizo domestic architecture, 'Dawhthleng' is a low wooden sitting bench or platform built adjacent to the hearth/fireplace ('Tapchhak') where family members and visitors sit around the fire.
MCSCCE • 2023 • Paper-I
A polymer which is coated as a thin layer on the inner side of non-sticking pans is
A)
Bakelite
B)
Teflon
C)
PVC
D)
Polypropylenes
Teflon (Polytetrafluoroethylene or PTFE) is a synthetic fluoropolymer known for its extremely low friction and high heat resistance, widely used as a non-stick coating on cookware.
MCSCCE • 2023 • Paper-I
Trickling Filter is used in following process of wastewater treatment plant.
A)
Mechanical treatment
B)
Biological treatment
C)
Advanced treatment
D)
All of the above
A trickling filter is an attached-growth aerobic biological wastewater treatment system (secondary treatment) that uses a microbial biofilm to degrade dissolved organic matter.