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The correct answer is JB Kripalani.

Key Points

• The All India Congress Committee (AICC) met in New Delhi on 14 June 1947.
• The resolution of India's partition (the Mountbatten Plan) was passed during this meeting.
• JB Kripalani was the President of the Indian National Congress (INC) at the time of partition.
• He presided over the AICC meeting where the partition of the country was accepted.
• JB Kripalani presided over the meeting when the resolution of India's partition was passed on 14^th June 1947. Hence option 3 is correct.

Additional Information

• JB Kripalani:
• He was the 1^st President of INC after Independence.
• He was duly arrested and imprisoned upon the proclamation of Emergency on June 26, 1975.
• Sardar Patel:
• He was the 1^st Home minister of India.
• He was also remembered as the " Patron Saints of India's Civil Servants".
• The Statue of Unity, the world's tallest statue, was dedicated to him on 31^st October 2018.
• Jawaharlal Nehru:
• He was the 1^st PM and also the longest-serving PM of India.
• He was elected president of the Congress Party in 1929 at Lahore.

The correct answer is Samiti and Sabha.

Key Points

• Vedic Period:
• The Vedic Age was between 1500 BC and 600 BC. This is the next major civilization that occurred in ancient India after the decline of the Indus Valley Civilization by 1400 BC.​
• Monarchical form of government with a king known as Rajan.
• Patriarchal families. Jana was the largest social unit in Rig Vedic times.
• Social grouping: kula (family) – grama – visu – jana.
• Tribal assemblies were called Sabhas and Samitis. Examples of tribal kingdoms: Bharatas, Matsyas, Yadus and Purus.
• Sabha denotes both the assembly early Rig-Vedic period.
• Women also attend this assembly and were called Sabhavati
• Rig Veda speaks about the Sabha as a dancing and gambling assembly, along with judicial and administrative functions.
• While Samiti was a folk assembly in which tribe people gathered for tribal business.
• Here philosophical issues are discussed and issues related to religious ceremonies and prayers.

Concept:

​Sustainable development:

• Sustainable development is a development that meets the need of the present generation without compromising the ability of the future generation to meet their own needs.

Explanation:

UN (The United Nations):

• The United Nations is an intergovernmental organisation whose stated goals are to maintain international peace and security, foster friendly relations among nations, and achieve international cooperation.
• It was founded in 1945, in San Francisco, California, United States.

Important Points

UN sustainable development Goals:

• ​No Poverty
• Zero Hunger
• Good Health and Well-being
• Quality Education
• Gender Equality
• Clean Water and Sanitation
• Affordable and Clean Energy
• Decent Work and Economic Growth
• Industry, Innovation and Infrastructure
• Reduced Inequality
• Sustainable Cities and Communities
• Responsible Consumption and Production
• Climate Action
• Life Below Water
• Life on Land
• Peace and Justice Strong Institutions
• Partnerships to achieve the Goal

Thus, with reference to Indo-UN relations 17 sustainable development goals are supposed to be achieved.

Additional InformationOther international organizations:

The correct answer is Bihar.

• It is located in the Jamui district of Bihar near the Jharkhand border.

Important Points

• Since a large number of bar-headed geese are found here, Birdlife International declared the Nagi Dam bird sanctuary as an Important Bird Area in 2004.
• The sanctuary is famous for both resident and migratory birds, white wagtails and black redstarts are important migratory birds of Nagi Dam bird sanctuary.

Additional Information

• Vikramshila Gangetic Dolphin Sanctuary is a 60 km stretch of Ganges river from Munger to Kahalgaon in Bhagalpur district of Bihar.
• The National Ganga River Basin Authority declared Gangetic dolphins as the national aquatic animal of India.

• The full form of DNA is Deoxyribonucleic Acid.
• It is a hereditary material located in cell nucleus that carries the genetic instructions used in the growth, development, functioning and reproduction of all living organisms.

The Correct Answer is 7.

Key Points

• The pH is the degree of concentration of hydrogen ions in a substance or solution and is represented as the log of the hydrogen ion concentration in an aqueous solution.
• The pH value of water is 7.
• Therefore there are 10-7 moles per liter of hydrogen ions in water with a pH of 7; while a pH of 6 is 10-6 moles per liter. The scale of the pH varies between 0 and 14.
• Water with a pH of < 7 is considered acidic, and water with a pH of > 7 is considered basic.
• The standard range of pH is 6.5 to 8.5 for surface water systems and 6 to 8.5 for groundwater systems.
• Alkalinity is a measure of the water's capacity to tolerate a pH change that appears to make the water more acidic.
• To calculate the corrosivity of the water, the calculation of alkalinity and pH is required. The pH of pure water (H₂0) at 25^oC is 7, but this combination results in a pH of about 5.2 when exposed to carbon dioxide in the atmosphere.

Concept-

• The transparent curved surface which is used to refract the light and make an image of any object placed in front of it is called a lens.
• The lens whose refracting surface is upside is called a convex lens.
• The convex lens is also called a converging lens.
• The lens having refracting surface inward is called a concave lens.
• The concave lens is also called a diverging lens.

Explanation-

As we can see below, The concave lens is also called a diverging lens.

• A concave lens is a diverging lens

• Hence option 2 is correct among all

The correct answer is Option 1 i.e. Proteins.

Pepsin:

• Pepsin is the digestive enzyme that breaks down proteins.
• The Gastric Glands secrete the enzyme Pepsin.
• Gastric glands are found in the stomach.
• They secrete enzymes like Pepsin, Rennin which act upon the Proteins.
• Glands in the mucous-membrane which line the stomach make and store an inactive protein known as pepsinogen.
• When pepsinogen is released into the stomach and mixed with gastric juice, it is converted into pepsin.
• Pepsin partially degrades proteins into smaller units called peptides.

The correct answer is Option 2 i.e. Four

• Human’s Heart has 4 chambers.
• The heart has 2 upper smaller auricles and 2 lower larger ventricles.
• The average human heart beats 72 times a minute.
• The average weight of the human heart is 300 grams.
• 2 chambered heart contains one ventricle and one atrium and such a heart can be found in fish.
• 3 chambered heart contains one ventricle and 2 atria and such a heart can be found in reptiles and amphibians.

The correct answer is Birsa.

Key Points

• Munda Rebellion is one of the prominent 19^th century tribal rebellions in the subcontinent.
• Birsa Munda led this movement in the region south of Ranchi in 1899-1900.
• The ulgulan, meaning 'Great Tumult', sought to establish Munda Raj and independence.
• Birsa Munda, referred to often by Jharkhand's tribal residents as “Birsa Bhagwan”.
• In course of the 19^th century, they had seen this khuntkatti land system being eroded by the jagirdars and thikadars coming as merchants and moneylenders. this was the main reason for revolt.

Additional Information

• Santhal Pargana is the mainland of the famous Santhal rebellion.
• On 30 June 1855, two Santal rebel leaders, Sidho and Kanhu Murmu with the help of Chand and Bhairav, mobilized ten thousand Santals and declared a rebellion against British colonists.
• They fought against British rule and the corruption caused by the upper castes and zamindars.
• In 1855, during British India, Santhal Parganas was created as a district and was a part of the Bengal Presidency.
• Pandurang Mahadev Bapat, popularly known as ‘Senapati Bapat,’ remains a fascinating figure of the Indian Independence movement whose revolutionary zeal was not only informed by Hinduism, Bolshevism, and Gandhian philosophy but also a profoundly independent streak.
• He was called ‘senapati’ or ‘commander’ for his leadership during the Mulshi Satyagraha in 1921 leading to what social scientist Ghanshyam Shah called the “first recorded organized struggle against the displacement” of farmers.