Indian State Culture and Geography

Khetri is situated at the foothills of the Aravalli Range and hosts copper mineralisation.

The oak tasar silk is produced in Assam, which is used in sericulture. The oak flora was discovered in 1966 in Assam.

• Answer is UTTARANCHAL.
  
• Uttaranchal is a 86% mountainous region.
  
• TERRACE is a piece of sloped plane that has been cut into a series of successively receding flat surfaces or platforms, which resemble steps, for the purposes of more effective farming . This type of landscaping, therefore, is called terracing.
  
•  TERRACE CULTIVATION is the practice of cutting flat areas out of a hilly or mountainous landscape in order to grow crops. 
  

Sambhar is a saltwater lake which is located in Jaipur district of Rajasthan. This lake receives water from five rivers Medtha, Samaod, Mantha, Rupangarh, and Khari and Khandela.

Karnataka is the largest producer of ragi; follower by Tamil Nadu.

The Chipko Movement was started in the northern Himalayan segment of Uttarakhand. The name of the movement comes from a word meaning embrace: where the villagers hugged the trees, saving them by interposing their bodies between them and the contractor's axes. This became popular as Chipko movement. Chipko movement is a grassroots level movement, which started in response to the needs of the people of Uttarakhand.

The Wular lake is located in Jammu and Kashmir. It is a freshwater lake, the water in this lake is feed by Jhelum river. This lake is formed by tectonic activity and it is the largest fresh water lake in Asia. 

Apart from patriarchal families , in matriarchal families women are the head of the family. In this system, family relations can be traced through females. In south Karnataka Bunt communities follow this practice. They are found basically in coastal districts of Karnataka.

Matriarchy is a social organization where the mother is the head of the family. In Kerala, women enjoy a higher status as compared to other Indian states. This is reflected by Kerala's sex ratio and literacy rates. Marumakkathayam was a matrilineal inheritance system prevalent in Kerala, where property inheritance was traced through females. Officially, the state has banned matrilineal family structure by the Kerala Joint Hindu Family System (Abolition) Act, 1975. Kerala state legislature passed this act. Hence, option B Kerala is the correct answer.   

The most productive gold mines of the country are in Karntaka, and Kolar Gold Mine is famous among all. But, the gold deposit of this mine is exhausted. Iron ore deposits are found in Tumakuru and Chitradurga districts.

• The palm tree is the state tree of Tamil Nadu. 

Tamil Nadu is situated at the southernmost tip of the Indian peninsula, placing it in the south-eastern part of the country.

Since the reorganizing of the states based on languages was done at national level perspective, many Kannadigas living on the borders had to suffer injustice. Though they were majority in numbers, they had to become a minority as they were integrated with other language region. Kasaragodu of Kerala,Alur, Adavani, Madakashira and Rayadurga taluks of Andhra Pradesh; Hosur and Talavadi of Tamil Nadu; Chandagadh, Sollapur, Jatha and Akkalakote of Maharastra though had Kannda speaking majority, had to remain out of Karnataka. 

The Southern Bird Wing is the state butterfly of Karnataka. It is the largest butterfly in India. Troides Minos is its scientific name. Karnataka is the second state in India to choose state butterfly after Maharashtra. 

Kollegal in Chamarajanagara district of Karnataka is one of the largest taluks in the state of Karnataka in South India. It is also known as the "Silk City" and renowned for its silk saree industry.