RSSB Lab Attendant flashcards
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33 cards. Read the term and the definition here. The deck at the top of this page is optional.
- Rajasthan Diwas date
- Rajasthan Day is celebrated on 30 March, marking the 1949 formation of the state through the merger of princely states into the Union of India.
- Rajasthan Assembly seats
- The Rajasthan Legislative Assembly has 200 elected members. The state elects 25 Lok Sabha members and 10 Rajya Sabha members.
- Current President of India
- Droupadi Murmu became the 15th President of India in July 2022, the first tribal woman and second woman to hold the office.
- Chandrayaan-3 landing
- India's Chandrayaan-3 mission landed its Vikram lander near the lunar south pole in August 2023, making India the first country to reach that region.
- Highest peak in Rajasthan
- Guru Shikhar, at about 1,722 metres on Mount Abu in Sirohi district, is the highest peak of the Aravalli range and of Rajasthan.
- Aravalli range significance
- The Aravalli is among the world's oldest fold mountain ranges. It divides Rajasthan into the fertile eastern plains and the arid western Thar Desert.
- Banas River
- The Banas is the only major river that flows entirely within Rajasthan. It rises in the Aravalli hills and joins the Chambal.
- Kalbelia dance
- Kalbelia is a Rajasthan folk dance of the Kalbelia snake-charmer community, recognised by UNESCO as an Intangible Cultural Heritage of Humanity.
- UNESCO hill forts
- Six Rajasthan forts are UNESCO World Heritage sites: Chittorgarh, Kumbhalgarh, Ranthambore, Amber, Jaisalmer, and Gagron.
- Simple interest formula
- Simple interest equals principal multiplied by rate multiplied by time, divided by 100. The amount is principal plus interest.
- Average formula
- Average equals the sum of all values divided by the number of values. Adding a new value changes the average to the new sum divided by n+1.
- km/h to m/s
- To convert kilometres per hour to metres per second, multiply by 5/18. To convert metres per second to kilometres per hour, multiply by 18/5.
- Alphabet reverse position
- In coding-decoding, letters have forward positions A=1 to Z=26. The reverse position is 27 minus the forward position, so A=26 and Z=1.
- संज्ञा के भेद
- संज्ञा के पाँच भेद हैं - व्यक्तिवाचक, जातिवाचक, भाववाचक, समूहवाचक और द्रव्यवाचक। जैसे 'मोहन' व्यक्तिवाचक और 'मिठास' भाववाचक है।
- दीर्घ स्वर संधि
- जब दो समान या अ, आ, इ, ई, उ, ऊ के बाद समान स्वर मिलते हैं तो दीर्घ स्वर बनता है। जैसे विद्या + आलय = विद्यालय।
- अनुप्रास अलंकार
- अनुप्रास अलंकार में एक ही वर्ण की आवृत्ति एक से अधिक बार होती है, जैसे 'चारु चंद्र की चंचल किरणें' में 'च' की पुनरावृत्ति।
- सकर्मक क्रिया
- जिस क्रिया का कर्म होता है उसे सकर्मक क्रिया कहते हैं, जैसे 'राम ने पत्र लिखा' में 'लिखा' सकर्मक है क्योंकि उसका कर्म 'पत्र' है।
- Subject-verb agreement rule
- A singular subject takes a singular verb and a plural subject takes a plural verb. Words like each, every, either, and neither take singular verbs.
- Active to passive voice
- In passive voice the object becomes the subject, followed by a form of 'be' and the past participle, plus 'by' before the agent.
- Since versus for
- Use 'since' with a specific point in time, such as since 2010. Use 'for' with a duration of time, such as for five years.
- Articles a and an
- Use 'a' before a consonant sound and 'an' before a vowel sound. Use 'the' for definite or unique references.
- Memory unit conversions
- One byte equals eight bits. One kilobyte equals 1024 bytes, one megabyte equals 1024 kilobytes, and one gigabyte equals 1024 megabytes.
- Excel SUM function
- In MS Excel, a formula begins with '='. SUM(A1:A10) adds all values in the range A1 through A10.
- Ctrl+Z shortcut
- Ctrl+Z undoes the last action in most Windows applications. Ctrl+Y often redoes the action that was undone.
- HTTPS meaning
- HTTPS is HTTP with encryption through TLS/SSL, protecting data exchanged between the browser and the website. HTTP alone is unencrypted.
- Acid dilution rule
- Always add acid slowly to water while stirring, never water to concentrated acid, because the reaction is strongly exothermic and can spatter.
- Laboratory PPE
- Standard laboratory PPE includes a lab coat, safety goggles, and gloves. Long hair must be tied back and open footwear avoided.
- Pipetting safety
- Never pipette chemicals by mouth. Always use a rubber bulb or mechanical pipettor to draw liquid into a pipette.
- Weighing on a balance
- Level the balance, close the doors, press tare or zero, place a weighing boat, then add material until the display shows the target mass.
- Ohm's law
- Ohm's law states that voltage equals current multiplied by resistance, V = IR. Electrical power equals voltage times current, P = VI.
- pH scale
- The pH scale runs from 0 to 14. Values below 7 are acidic, 7 is neutral, and values above 7 are basic or alkaline.
- Photosynthesis equation
- Six carbon dioxide molecules plus six water molecules, using light energy and chlorophyll, produce one glucose molecule and six oxygen molecules.
- Mitochondria function
- Mitochondria are cell organelles that produce ATP through cellular respiration, supplying energy for the cell's metabolic activities.