NTA UGC NET-JRF EXAM, December 2023 Paper II (HOME SCIENCE)

Cotton contributes approximately 30% to India’s agricultural gross domestic product (GDP).

Chlorophyllides are derivatives of chlorophyll that can remain relatively stable during the canning process, retaining the green color in canned foods. During the canning process, enzymatic conversion of chlorophyll to chlorophyllides occurs at temperatures ranging from 65-75 degrees Celsius, which helps retain the green color of the food.

The correct sequential procedure for developing a Likert scale is:
(C) Collecting a large number of statements relevant to the research problem.
(E) Conducting a trial test.
(D) Identifying items with high discriminatory power.
(B) Retaining and dropping selected items.
(A) Estimating reliability after administration on a large group.

The correct factors affecting the use of anthropometric data in designing are:
1. Static and dynamic anthropometry
2. Nature of anthropometric measurements
3. Changes over time
4. Reference population
These factors are crucial considerations in utilizing anthropometric data effectively for designing purposes. They involve understanding the nature of the measurements, recognizing that anthropometric data can change over time, and ensuring that the reference population used for design is appropriate. Static and dynamic anthropometry and the sequence of use of parts of the equipment may also be relevant but are not as directly tied to the factors affecting the use of anthropometric data in designing.

Conditioning is a learning process where organisms associate stimuli with responses. Classical conditioning links neutral stimuli with involuntary reactions, while operant conditioning links behaviors with consequences like reinforcement or punishment. Therefore both types of conditioning play significant roles in learning and behavior modification across various organisms and situations.

Micro inverters are utilized in solar panel systems when a part of the system is temporarily shaded or blocked from sunlight. Unlike traditional string inverters, micro inverters are installed on individual panels, allowing each panel to operate independently and optimize its output. This setup helps mitigate the effects of partial shading, ensuring that only the shaded panel’s output is affected while the rest continue to generate electricity efficiently. Micro inverters also enable better monitoring and maintenance of the system by providing real-time performance data for each panel, thus enhancing overall system reliability and performance.

The Sarvodaya movement, initiated by Mahatma Gandhi, aimed at the upliftment of all sections of society, particularly the marginalized and downtrodden. The term “Sarvodaya” means ‘the welfare of all’. It embodies the idea of promoting the welfare of the entire community, with a focus on social justice, economic self-reliance, and empowerment of the underprivileged.
Acharya Vinoba Bhave, a prominent disciple of Gandhi, further propagated the Sarvodaya ideals, particularly through the Bhoodan (land gift) movement, which aimed to redistribute land from wealthy landowners to landless peasants. This movement was a practical application of Gandhian principles to address socioeconomic disparities and create a more just society.

The assertion claims that applied research is more important than pure research for human welfare, which is a subjective viewpoint. The reason provided, that pure research is conducted in laboratories while applied research is conducted in the field, is a factual statement but does not sufficiently explain why applied research is deemed more important for human welfare. In essence, while both assertions may be true independently, the reason fails to provide a compelling explanation for the assertion.