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Govt. Examwise MCQ
3213+ MCQ Questions in english हिन्दी
Unicode’s primary purpose is to:
Universal character encoding for global languages.
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In ASCII, what decimal code represents capital ‘A’?
65 — standard character encoding.
Binary “1010” represents the decimal number:
10 — 1×8 + 0×4 + 1×2 + 0×1
The smallest unit of data in computing is called a:
Arithmetic Logic Unit — performs mathematical and logical operations.
What is the main function of an operating system?
Design hardware
What does GPU stand for?
Graphics Processing Unit — handles rendering and visual tasks.
Which of these is non-volatile memory?
ROM — retains data even when power is off.
CPU — executes instructions and processes data.
Random Access Memory — volatile memory used for current tasks.
Which device is considered the brain of the computer?
CPU — executes instructions and processes data.
Restriction enzymes are used to:
Restriction enzymes — create DNA fragments.
Restriction enzymes are used to:
Restriction enzymes — create DNA fragments.
A Western blot detects:
Proteins — using antibodies after electrophoresis.
CRISPR/Cas9 is used for:
Gene editing — targeted DNA modifications.
Gel electrophoresis separates biomolecules by:
Size and charge — fragments move through agarose.
PCR (polymerase chain reaction) amplifies:
DNA — through thermal cycling and DNA polymerase.
An ELISA test detects:
Antibodies/antigens — used for diagnosis (e.g., HIV).
HIV primarily targets:
CD4⁺ T cells — leading to immune deficiency.
Autoimmune disease occurs when:
Self-reactive immune response.
Vaccines typically contain:
Antigens or attenuated pathogen — to trigger immune memory.
Antibodies are produced by:
B cells — they release immunoglobulins.
ATP is composed of adenine, ribose, and:
Three phosphates — energy-rich bonds.
Enzyme activity can be denatured by:
High heat — disrupts protein structure.
Lipids are hydrophobic because of:
Hydrocarbon tails — repel water.
Peptide bonds link:
Amino acids — forming proteins.
Monosaccharides are:
Simple sugars like glucose.
Binomial nomenclature includes:
Genus and species — e.g., Homo sapiens.
Which is not a chordate characteristic?
Exoskeleton — chordates have internal skeleton.
Who was the longest-serving Chief Minister of Uttar Pradesh?
Explanation: Yogi Adityanath became the longest-serving Chief Minister in UP’s history by surpassing previous leaders like Sampurnanand. His second term and uninterrupted leadership since 2017 contribute to this record. His tenure is marked by policy and infrastructure reforms.
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