Article 16: There shall be equality of opportunity for all citizens in matters relating to employment or appointment to any office under the State.

Article 14: The State shall not deny to any person equality before the law or the equal protection of the laws within the territory of India, on grounds of religion, race, caste, sex, or place of birth.

Article 15: The State shall not discriminate against any citizen on grounds only of religion, race, caste, sex, place of birth, or any of them.

Article 17: Abolition of untouchability

Net zero refers to the balance between the amount of greenhouse gas produced and the amount removed from the atmosphere. So, statement 1st is incorrect.

"ReNew Power, India's leading renewable energy company, announced its commitment to achieving net-zero greenhouse gas emissions by 2050." So, statement 2nd is correct.

Magnitogorsk (city of the magnetic mountain) is an industrial city in Chelyabinsk Oblast, Russia, located on the eastern side of the extreme southern extent of the Ural Mountains by the Ural River.

The Harappan men and women decorated themselves with a large variety of ornaments produced from every conceivable material ranging from precious metals and gemstones to bone and baked clay.

While necklaces, fillets, armlets and finger-rings were commonly worn by both sexes, women wore girdles, earrings and anklets. Therefore, statement 1 is NOT correct.

It may be noted that a cemetery has been found at Farmana in Haryana where dead bodies were buried with ornaments. Therefore, statement 2 is NOT correct.

The bead industry seems to have been well developed as evident from the factories discovered at Chanhudaro and Lothal. Therefore, statement 3 is correct.

Mesolithic Period

• ​The largest number of paintings belong to Period II that covers the Mesolithic paintings.
• During this period the themes multiply but the paintings are smaller in size. Hunting scenes predominate. Hence, Statement 2 is correct.
• Mesolithic artists loved to paint animals.
• Though animals were painted in a naturalistic style, humans were depicted only in a stylistic manner. Hence, Statement 3 is NOT correct.
• The young and the old equally find a place in these paintings.
• Children are painted running, jumping and playing.
• Community dances provide a common theme.

Metals are generally hard. The hardness of metal varies from metal to metal. Metals have four major physical properties which are the following:

• Malleability
• Lustre
• Ductility
• Conductivity

Since ductility is the feature of drawing out wires from Metals, therefore statement 1 is not correct.

Surprisingly Gold is the most ductile metal. Just 1 gram of gold can be drawn into 2Kms. of wire. Therefore statement 2 is correct.

The infection has resurfaced in the aromatic tree’s natural habitats in Karnataka and Kerala. Therefore, statement 1 is correct.

Presently, there is no option but to cut down and remove the infected tree to prevent the spread of the disease, caused by phytoplasma - bacterial parasites of plant tissues - which are transmitted by insect vectors. Therefore, statement 2 is correct.

The devastating impact in natural habitats resulted in sandalwood being classified as “vulnerable” by the International Union for Conservation of Nature in 1998. Therefore, statement 3 is correct.

The Ural Mountains or simply the Urals, are a mountain range that runs approximately from north to south through western Russia, from the coast of the Arctic Ocean to the river Ural and northwestern Kazakhstan.

• The mountain range forms part of the conventional boundary between the continents of Europe and Asia.

The Verkhoyansk Range is a mountain range in the Sakha Republic, Russia.

• It is part of the East Siberian Mountains.
• The range represents a major anticlinal structure, created in a period of folding.
• The mountains support sparse tundra vegetation of mosses and lichens.
• No routes cross the range, and the area is virtually uninhabited.

The Kolyma Mountains or Kolyma Upland is a mountain range in northeastern Siberia, lying mostly within the Magadan Oblast, along the shores of the Sea of Okhotsk in the Kolyma region.

• The range's highest point is Mount Nevsky in the Omsukchan Range at 1,828 meters.

The Koryak Mountains or Koryak Highlands are a mountain range in Far-Eastern Siberia, Russia, located partly in Chukotka Autonomous Okrug and in Kamchatka Krai.

• The Koryak area occupies the northern half of the Kamchatka Peninsula, the southern end of the Koryak Mountains, and the Penzhina Basin.

The United States is a coming together type of Federation where all the constituent States have equal powers. Therefore, statement 1 is correct.

India is a holding together type of Federation in which some States have more power than others. Therefore, statement 2 is correct.

It is evident from the discovery of a large number of spindles and spindle whorls in the houses of the Indus Valley that spinning of cotton and wool was very common. Therefore, statement 2 is incorrect.

The art of bronze-casting was practised on a wide scale by the Harappans. So, statement 1 is correct.

One of the best-known artefacts from the Indus Valley is an approximately four-inch high copper figure of a dancing girl.

Found in Mohenjodaro, this exquisite casting depicts a girl whose long hair is tied in a bun. So, statement 3 is correct.

The Indus Valley people made terracotta images also but compared to the stone and bronze statues the terracotta representations of the human form are crude in the Indus Valley. So, statement 4 is correct.