(b) 2 only
Council of Ministers includes the three categories of ministers, that is, Cabinet Ministers, Ministers of State, and Deputy Ministers. Its size and classification are, however, not mentioned in the Constitution. Its classification into a three-tier body is based on the conventions of parliamentary government as developed in Britain. It has, however, got a legislative sanction. The Salaries and Allowances Act of 1952 defines a ‘minister’ as a ‘memberof the council of ministers, by whatever name called, and includes a deputy minister’. (Statement 1 is incorrect)
The 91st Constitutional Amendment Act of 2003 has made provisions to limit the size of Council of Ministers. The total number of ministers, including the Prime Minister in the Central Council of Ministers shall not exceed 15 per cent of the total strength of the Lok Sabha. (Statement 2 is correct)

(d) 1, 2 and 3
Short Range Devices (SRD) are radio devices that offer a low risk of interference with other radio services, usually because their transmitted power, and hence their range, is low. The definition ‘Short Range Device’ may be applied to many different types of wireless equipment, including various forms of:
● Access control (including door and gate openers)
● Alarms and movement detectors
● Closed-circuit television (CCTV)
● Cordless audio devices, including wireless microphones
● Industrial control
● Local Area Networks
● Medical implants
● Metering devices
● Remote control
● Radio frequency identification (RFID)
● Road Transport Telematics
● Telemetry

(a) 1 and 3
Polyethylene terephthalate (PET) is the predominant polyester used for fibre production. They are often used in durable-press blends with other fibres such as rayon, wool, and cotton, reinforcing the inherent properties of those fibres while contributing to the ability of the fabric to recover from wrinkling. (Statement 1 is correct)
Particularly for highly concentrated spirits in small PET bottles and high storage temperatures the water permeation is unfavourable. In fact, the leaching effects of plastic and plastic chemical substances (such as ethylene glycol) have the tendency to leach considerably into alcohol stored if the temperature goes up during storage. (Statement 2 is incorrect)
PET bottles can be recycled back into bottles, fibres, film, thermoformed packaging and strapping. (Statement 3 is correct)
The burning of plastics releases toxic gases like dioxins, furans, mercury and polychlorinated biphenyls (better known as BCPs) into the atmosphere, and poses a threat to vegetation, and human and animal health. (Statement 4 is incorrect)

(d) Statement-1 is incorrect but Statement-2 is correct
The process for including a tribe in the Scheduled Tribe (ST) list starts with a recommendation from the state government. The recommendation is then sent to the Tribal Affairs Ministry, which reviews it and sends it to the Registrar General of India for approval.

(a) U.A.E
India and the United Arab Emirates (UAE) signed a Memorandum of Understanding (MoU) to establish Local Currency Settlement System (LCSS) for using local currencies, the Indian rupee (INR), and the UAE Dirham (AED), for cross-border transactions. LCSS will promote the use of INR and AED for current accounts and permitted capital account transactions between the two countries. India-UAE trade was approx. USD 85 billion in 2022. UAE is India’s third-largest trading partner while India is UAE 2nd largest trading partner.