Ans:  Cs

Among alkali metals, melting point decreases as the strength of metallic bonding decreases with increasing size of the atom. Thus, Cs has the lowest melting point (28.5°C) and will melt at 30°C.

Science is the study of the nature and behaviour of natural things and the knowledge that we obtain about them.
A science is a particular branch of science such as physics, chemistry, or biology.
A science is the study of some aspect of human behaviour,

• Kalidasa was a Classical Sanskrit author and is often considered ancient India's greatest playwright and dramatist. His plays and poetry are primarily based on the Vedas, the Ramayana, the Mahabharata and the Puranas
• Kalidasa's plays show life in an emperor's court where the royalty and the brahmins used Sanskrit while the common people used Prakrit.
• His most famous story is the Abhijnana Shakuntalam, a love story of King Dushyanta and Shakuntala.

In this story narrator describes his grandmother as old woman. People said that she had once been young and beautiful but according to author her grandmother had been old ever since hehad seen her the author could not imagine her as a child or as a young and beautiful lady. Forhim she was his grandmother, a woman who had been always old and never young. She wasshort, fat and slightly bent. Her face was a full of wrinkles . Narrator maintains that she was beautiful because she was kind, warm, loving, attentive and caring. The author’s grandmother was strong woman in character and was very religious too. She was always dressed in a spotlesswhite dress.

In his childhood years, the narrator lived with his grandmother. He describes her as a goodfriend. She would wake him up on school days and prepare him a simple breakfast .She had asympathetic attitude towards animals . She carried several stale chapattis with her for the villagedogs . When she was in village she used to feed dogs but as and when she came to the city shestarted feeding the sparrows. She was a religious woman , as she spend her time in temple inreading the scriptures .She was a woman who love her traditions and culture. With her one hand,she was always telling the beads of her rosary. She spent most of her time reading the holy bookswhether at home or in the temple. She spent her time in spinning wheel and reciting her prayers also. She never omitted to sing her prayers.

She did not like the western learning by his grandson .She was also against learning of music.She was left alone when narrator went abroad but she passed her time with spinning feedingsparrows and reciting prayers .She felt happy when narrator came back after a long time. Shemade her ill by beating the drum in happiness .She was so devoted to religion that in her lasttimes she pray. She was a lady to the last 

• Seismic waves can tell us a lot about the internal structure of the Earth because these waves travel at different speeds in different materials.
• Reflection causes P and S waves to rebound whereas refraction makes waves move in different directions.
• The variations in the direction of these waves are inferred with the help of their record on seismograph.
• Change in densities greatly varies the wave velocity. By observing the changes in velocity, the density of the earth as a whole can be estimated. By the observing the changes in direction of the waves (emergence of shadow zones), different layers can be identified.
• For both kinds of waves, the speed at which the wave travels also depends on the properties of the material through which it is traveling.
• Scientists are able to learn about Earth’s internal structure by measuring the arrival of seismic waves at stations around the world.
• For example, we know that Earth’s outer core is liquid because s-waves are not able to pass through it; when an earthquake occurs there is a “shadow zone” on the opposite side of the earth where no s-waves arrive.
• Similarly, we know that the earth has a solid inner core because some p-waves are reflected off the boundary between the inner core and the outer core.
• By measuring the time it takes for seismic waves to travel along many different paths through the earth, we can figure out the velocity structure of the earth.
• Abrupt changes in velocity with depth correspond to boundaries between different layers of the Earth composed of different materials.

The structure of Earth’s deep interior cannot be studied directly. But geologists use seismic (earthquake) waves to determine the depths of layers of molten and semi-molten material within Earth. Geologists are now using these records to establish the structure of Earth’s interior.

The chapter ‘The Portrait of a Lady’ is the story of the author and his grandmother. The grandmother was an old woman with a wrinkled face. The author had always seen her like this, for the past twenty years. She appeared to be so old that he could not imagine her being ‘young and pretty’, someone who had a husband. She was short, fat and slightly bent. The author had seen his grandfather’s portrait- an old man with a turban and a long white beard covering his chest. To the author, his grandfather didn’t seem like a man who could have a wife and children, but someone who could have lots of grandchildren. His grandmother used to move around the house in ‘Spotless White’ with her one hand resting on her waist and her other hand counting the beads of her rosary.

In the initial days, the author and his grandmother had a good relationship. She used to wake him up and get him ready for school. She used to pack the things required by him for the day and walked him to school everyday. She used to visit the temple that was attached to the school. She had a routine of reading the scriptures. The author along with other children sat on the verandah singing alphabets and morning prayers. They both used to come back home together with stray dogs roaming around them as his grandmother would carry the stale chapattis to feed them.

Soon, the parents of the author who went to the city to settle in and called them. As they reached the city, his relationship with his grandmother took a turn. Though they shared the room, there bond grew apart. He started going to an English medium school, she no longer accompanied him to his school, and there were no longer stray dogs who roamed around them while walking back home. She, however, used to ask him about his day and what he had learned. She didn’t understand anything as everything was in another language which she could not understand. She didn’t approve of the new syllabus that he was studying because she thought that they did not teach him about God and the scriptures. They saw less of each other.

As the days passed, he grew older and soon went to the university. He had his own room and this made their relationship sour. She stopped talking to everyone and spent her whole day sitting at her spinning wheel, reciting prayers and moving beads of the rosary with one hand. However, she loved feeding sparrows in the verandah at dawn. Breaking bread into pieces and feeding it to the birds was her daily routine. The birds would sit on her legs, her head, some even on the shoulders.

Soon, the author decided to go abroad for further studies. She came to the railway station to leave him off. She was not sentimental, continuously recited her prayers, her mind lost in the prayers, and she kissed him on the forehead. After five years, as he returnedhome, she was there, came to pick him at the station, was still the same as she had been five years ago. She clasped him within her arms and didn’t say a word. She still used to feed her sparrows.

One day, she didn’t recite her prayers but instead collected the women of the neighbourhood, got a drum and started singing. The next morning, she was ill with mild fever. The doctor said that there was nothing to worry about but she was sure that her end was near.

She didn’t want to waste her time talking to anyone in the family anymore but spend her last hours in reciting her prayers laying on the bed. She died and so her body lay on the bed, lifeless. As they prepared for her funeral, they saw all the sparrows sitting in the verandah around her, mourning her death.

•  सिक्किम के मूल निवासी लेपचा एवं भूटिया है।
• सिक्किम देश में इलाइची का सबसे अधिक उत्पादन करने वाला राज्य है।
•  सम्पूर्ण सिक्किम पर्यटकों का स्वर्ग माना जाता है।
•  सिक्किम को फलोद्यानों का स्वर्ग कहा जाता है।
• भारत का दूसरा सबसे छोटा राज्य और सबसे कम आबादी वाला राज्य होने के बावजूद सिक्किम प्रकृति से प्रेम करने वालों के लिए स्वर्ग है।
• देश के पूर्वोत्तर हिस्से में स्थित सिक्किम के दक्षिण में पश्चिम बंगाल है और यह अपनी अंतर्राष्ट्रीय सीमा दक्षिण-पूर्व में भूटान के साथ, पश्चिम में नेपाल के साथ और उत्तर-पूर्व में चीन के तिब्बत स्वायत्त क्षेत्र के साथ साझा करता है।
• खूबसूरत पहाडों़, गहरी घाटियों और बायोडाइवर्सिटी के कारण सिक्किम सैलानियों का पसंदीदा स्पाॅट है।
• गंगटोक सिक्किम का सबसे बड़ा शहर होने के अलावा यहां की राजधानी भी है। यह शहर 5,500 फीट की उंचाई पर शिवालिक की पहाडि़यों पर स्थित है।
• गंगटोक से दुनिया के तीसरे सबसे उंचे पर्वत कंचनजंगा का नजारा देखा जा सकता है।
• सिक्किम का कुल इलाका लगभग 7,000 वर्ग किलोमीटर का है और यहां की आबादी छह लाख से ज्यादा नहीं है।
• इस राज्य का ज्यादातर इलाका पहाड़ी है और सिक्किम की गर्मियां भी सुहावनी होती हैं, क्योंकि गर्मियों में भी तापमान बमुश्किल 28 डिग्री से उपर जाता है।
• सिक्किम की सर्दियां बहुत कड़ाके की और कंपकपाने वाली होती हैं क्योंकि तब तापमान शून्य से भी नीचे चला जाता है।
• सन् 1975 में सिक्किम भारत का हिस्सा बन गया था और तब से ही यहां का राजनीतिक ढांचा देश के बाकी हिस्सों जैसा है।
• यहां की विधान सभा में 32 सदस्य होते हैं जो कि चुनावों के ज़रिए चुने जाते हैं।

One particular type of group united for the same purpose should wear the same type of clothes that is uniform. The concept of uniform is the only most visible element of any school regardless of caste, complexion, social status etc. Uniformity is the symbol of discipline. Uniform is a unique idea for schools because it helps students not to divert their attention to fashionable garments while at school. If uniforms were non-existent, students might be victimized by others because of the expensive clothes they choose to wear.  Attention will naturally go on the clothes people wear instead of on schoolwork, which is what school is all about. Uniform is the only source to avoid fashion parade from schools. When students wear clothes of their choices on their birthdays even then sometimes objectionable attire is observed. Uniform is the only source to avoid such objection regularly. Each morning, students do not have to waste their time to decide what to wear, they simply get dressed in their uniform. In this way getting ready for school becomes hassle-free for students. Time wasted on deciding what to wear could be better spent on doing schoolwork.

It makes our life more disciplined as we have to fall in a habit of taking care of a particular attire like every country’s army has a particular uniform. It has been rightly said that whatever we are or whatever we will be in future it is all because of our habits and uniformity is such a habit which binds us in a great discipline which is a great key to success. We can easily judge an institution if its workers are wearing a uniform. The same is in schools it is a feeling of equality, it is a feeling of responsibility, it is a feeling of belonging to one another and ultimately it is a reminder of being in a group assembled for the same purpose. It uniform exists in schools it means that the purpose is kept in mind and being chased.

Following mail services are provided by the post and telegraph department:
(a)UPS (Under Postal Service) : Under it the post office provides a certificate of posting on the payment of prescribed fee.
(b)Registered Post: This facility ensures the sender of the mail that in case the mail is not delivered to the adressee, it comes back to the sender.
©Parcel Post : Under this facility, the parcels of specified size and weight can be sent across the country as well as outside the country on the payment of parcel charges.
(d)Speed Post : Under it, the post & telegraph department guarantees that all the internet mail reveived up to 5 p.m. at the specified post offices will be delivered within 24 hours and if it fails to do so, the extra fee changed will be refunded.

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Composition of the Rajya Sabha:

1. It is the Upper House of the Parliament. It has a total strength of 250 members.

2. Out of these, 238 members are elected by the State Legislative Assemblies.

3. The rest of the members (12) are nominated by the President. These members are those who have earned fame in the fields of Science, Art, Literature and Social Service.

4. It is a Permanent House. One-third of the members retire after every two years and new ones are elected. Thus, every member has a tenure of six years.

Answer: A Money Bill contains the matters like imposing, reducing, expenditure, loan, payments, etc. A Money Bill can be introduced only in the Lok Sabha by a minister and not in the Rajya Sabha.

1. BANKING“BANKING IS WHAT A BANK DOES”
2. DEFINITION OF BANKING Banking Regulation Act 1949 defines banking as, “ACCEPTING FOR THE PURPOSE OF LENDING AND INVESTMENT, OF DEPOSITS OF MONEY FROM THE PUBLIC, REPAYABLE ON DEMAND, ORDER OR OTHERWISE AND WITHDRAWABLE BY CHEQUE,DRAFT,ORDER OR OTHERWISE”.
3. BANK IS PART OF FINANCIAL SY STEM Financial system is one whichsupplies the necessary financial inputs for theproduction of goods and services. Economicdevelopment of any country depends upon theexistence of well organized financial system.
4. Financial systemFinancial assets BFinancial intermediaries A N Financial markets K S Financial instruments

For the project click on the given link:

<a data-ved="2ahUKEwjXn9r4gOztAhUIVysKHTw8B-0QFjACegQIAxAC" href="https://www.slideshare.net/parthiban40/project-about-banking" ping="/url?sa=t&source=web&rct=j&url=https://www.slideshare.net/parthiban40/project-about-banking&ved=2ahUKEwjXn9r4gOztAhUIVysKHTw8B-0QFjACegQIAxAC" rel="noopener" target="_blank">Project about banking - SlideShare</a>

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The most famous cave site is Ajanta. It is located in Aurangabad District of Maharashtra State. Ajanta has twenty-nine caves. It has four chaitya caves datable to the earlier phase, i.e., the second and the first century BCE (Cave Nos. 10 and 9) and the later phase, i.e., the fifth century CE (Cave Nos. 19 and 26). It has large chaityaviharas and is decorated with sculptures and paintings. Ajanta is the only surviving example of painting of the first century BCE and the fifth century CE. The caves at Ajanta as well as in western Deccan in general have no precise chronology because of the lack of known dated inscriptions.

In the village, the temple priest used to teach the alphabet and the morning prayer. That was ‘schooling’, according to the grandmother. But, in the city school, the author had to learn modern education with English, Science, Mathematics, etc. When he came back from school she would ask him about the lessons. But she understood very little of it. As there was no teaching.about God and scriptures, she felt unhappyRead more on Sarthaks.com - https://www.sarthaks.com/715707/what-made-the-grandmother-unhappy-why