Correct Answer: he wrote his dairy

Solution : The fourth option is the correct choice.

Explanation:
The segment that contains a spelling error is, his dairy.
The correct word in this context is diary,  referring to a personal record of events, thoughts, or experiences. The term dairy refers to a place where milk and milk products are produced or processed, and it is not appropriate in the context of the sentence.

Therefore, the correct sentence would be: He wrote his diary in code so that nobody could understand it.

Correct Answer: Statement 1 is true, but statement 2 is false.

Solution : The correct answer is (c) Statement 1 is true, but statement 2 is false.

Statement 1 is true. Dairy products such as milk, cheese, yogurt, and butter are rich sources of high-quality protein. They provide essential amino acids and other nutrients necessary for human growth, development, and overall health.

Statement 2 is false. Dairying involves not only the production of milk but also the processing of milk into a wide range of dairy products. Milk is processed into products like cheese, butter, yogurt, ice cream, and various other dairy-based products. Processing adds value to the milk and provides consumers with a diverse range of dairy products to choose from.

Therefore, statement 1 is true, but statement 2 is false.

Correct Answer: Dairy Industry

Solution : The correct answer is Dairy.

The primary sector refers to all areas of human endeavour that use natural resources to produce essential goods, including agriculture, horticulture, dairy production, mining, fisheries, forestry, etc. By converting raw materials into valuable products, the secondary sector increases the value of natural resources.

Correct Answer: Milk and dairy products
    

Solution : The correct answer is (b) Milk and dairy products.

The White Revolution, also known as Operation Flood, was a dairy development program initiated in India in the 1970s. The program aimed to increase milk production and make India self-sufficient in milk and dairy products.

Under the White Revolution, various strategies were implemented to enhance milk production and improve the dairy industry. These included promoting dairy cooperatives, introducing modern dairy farming practices, improving cattle breeds through artificial insemination, establishing milk processing and distribution infrastructure, and encouraging farmers to participate in dairy activities.

The program brought about significant improvements in milk production and dairy processing in India. It led to the formation of cooperative societies like Amul, which played a crucial role in organizing and empowering dairy farmers. The White Revolution revolutionized the dairy sector, making India one of the largest producers of milk and dairy products in the world.

Correct Answer: Both assertion and reason are true, and the reason is the correct explanation of the assertion.
 

Solution : The correct answer is (a) Both assertion and reason are true, and the reason is the correct explanation of the assertion.

Dairying does contribute to rural employment generation, and the reason for this is that it involves various activities like animal husbandry, milk collection, and dairy product processing.

Dairying encompasses a range of activities related to the rearing and management of dairy animals, such as cows and buffaloes. These activities include feeding, breeding, healthcare, and milking. Additionally, dairying involves the collection, transportation, and processing of milk to produce various dairy products like butter, cheese, yogurt, and ice cream.

These activities create employment opportunities in rural areas. Farmers and their families are directly engaged in animal husbandry and milk production. The collection and transportation of milk often involve a network of milk producers, milk collection centers, and dairy cooperatives, providing additional employment opportunities.

Furthermore, dairy processing units require workers for tasks such as milk processing, packaging, quality control, and distribution. These processing units can range from small-scale cottage industries to large dairy corporations, contributing to employment generation in both rural and urban areas.

The dairy sector's labor-intensive nature and the involvement of various activities from animal care to processing make it a significant source of employment, especially in rural communities where agriculture is a dominant economic activity.

Therefore, the assertion that dairying contributes to rural employment generation is true, and the reason that it involves various activities like animal husbandry, milk collection, and dairy product processing is the correct explanation for this assertion.

Correct Answer: Both statement 1 and statement 2 are true.
   

Solution : The correct answer is (a) Both statement 1 and statement 2 are true.

Dairying does play a significant role in ensuring food security. Milk and dairy products are rich sources of essential nutrients, including proteins, vitamins, and minerals. By providing a consistent supply of nutrient-rich milk and dairy products, dairying contributes to meeting the nutritional needs of the population and ensuring food security.

Therefore, both statements 1 and 2 are true, as they correctly describe the role of dairying in ensuring food security and providing a consistent supply of nutrient-rich milk and dairy products.

Correct Answer: Karnal

Solution : The correct option is Karnal.

The National Dairy Research Institute (NDRI) is India's top institute for dairy research, based in Karnal, Haryana, and has been recognised as a Deemed University since 1989.

NDRI was established in 1923 as the Imperial Institute of Animal Husbandry and Dairying. It later became the National Dairy Research Institute in 1955.

Correct Answer: Both assertion and reason are true, and the reason is the correct explanation of the assertion.
  

Solution : The correct answer is (a) Both assertion and reason are true, and the reason is the correct explanation of the assertion.

Dairying does provide opportunities for entrepreneurship in the rural sector, and the reason for this is that it allows individuals to establish their dairy farms and value-added dairy product units.Dairying involves various activities related to the rearing of dairy animals, milk production, and the processing of milk into various dairy products. It provides an avenue for individuals to enter the dairy business and establish their own dairy farms.

By setting up dairy farms, individuals can become entrepreneurs and take control of their own dairy production. They can acquire and manage a herd of dairy animals, such as cows or goats, and produce milk on their farms. This allows them to have direct ownership and control over the entire dairy production process.

By engaging in dairying and establishing their own dairy farms and value-added dairy product units, individuals can create employment opportunities for themselves and others in the rural sector. They contribute to the rural economy by generating income, supporting local markets, and fostering entrepreneurship in the dairy sector.

Therefore, the assertion that dairying provides opportunities for entrepreneurship in the rural sector is true, and the reason that it allows individuals to establish their dairy farms and value-added dairy product units is the correct explanation for this assertion.