Ten Prelims questions.
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In CRISPR-Cas9 gene editing, the primary role of the guide RNA is to:

In an anti-drone system, a “soft kill” generally refers to:

In nuclear fission, a heavy atomic nucleus:

With reference to monoclonal antibodies, consider the following statements:

1. 1.They recognize a specific antigenic epitope or target with high specificity.
2. 2.They can be used for diagnosis as well as therapy.
3. 3.Every monoclonal antibody must be produced in a hybridoma system.

Which of the statements given above are correct?

Consider the following statements about the Unlawful Activities (Prevention) Act, 1967:

1. 1.It contains provisions concerning unlawful associations.
2. 2.It contains a chapter dealing with terrorist organisations and individuals.
3. 3.Section 43D provides for modified application of certain criminal-procedure provisions.
4. 4.The Act deals only with cyber offences.

Which of the statements given above are correct?

Consider the following statements regarding satellite propulsion:

1. 1.Green propulsion seeks to replace or reduce reliance on highly toxic conventional propellants in some applications.
2. 2.A green propellant automatically means zero environmental impact throughout manufacture, operation and disposal.
3. 3.Green monopropellant systems can use a single propellant decomposed or reacted to produce thrust.

Consider the following statements about emerging 6G architecture:

1. 1.Integrated sensing and communication seeks to use wireless infrastructure for both communication and sensing functions.
2. 2.Non-terrestrial networks can be integrated with terrestrial networks.
3. 3.IMT-2030 requires every 6G base station to operate exclusively above 100 GHz.

Consider the following pairs:

1. 1.Toxin — poisonous substance that can be produced by a living organism
2. 2.Pathogen — biological agent capable of causing disease
3. 3.Antitoxin — antibody or antibody-containing preparation that can neutralize a toxin
4. 4.Vaccine — preparation designed to induce protective immunity, not a direct universal cure for an established infection

How many pairs are correctly matched?

A hostile actor first compromises a software supplier, then uses the compromised update to enter a strategic organisation, steals data and later releases manipulated documents through coordinated social-media accounts. Which sequence best captures the principal concepts involved?

Consider the following statements:

1. 1.Disruption of insurgent financing can be part of a whole-of-government counter-LWE strategy.
2. 2.Intelligence-led arrests and seizure of support-network assets can target an insurgency's wider ecosystem.
3. 3.Such measures imply that development and governance interventions are unnecessary.