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

Denaturation of protein is a process in which the protein’s structure is altered, causing it to lose its natural shape and function. This alteration typically occurs due to changes in temperature, pH levels, exposure to chemicals, or mechanical agitation. Denaturation disrupts the secondary, tertiary, and quaternary structures of proteins while generally preserving the primary structure, which consists of the sequence of amino acids. As a result of denaturation, proteins may become insoluble, lose their enzymatic activity, and undergo changes in their physical properties. However, denaturation does not involve the breaking of peptide bonds in the primary structure of the protein. The changes that occur due to the denaturation of protein include:
(A) Peptide bonds of the protein become more accessible for hydrolysis.
(D) Solubility of protein decreases.
(E) Biological properties such as catalytic and hormonal functions are lost.

The correct options for the work zone in a residential building are (A) Kitchen and (C) Laundry area.
1. Kitchen: The kitchen is an essential part of a residential building where cooking, meal preparation, and often dining activities take place. It’s a functional space where a significant amount of work occurs regularly.
2. Laundry area: The laundry area is another work zone in a residential building where clothes are washed, dried, and sometimes ironed. It involves various tasks related to maintaining clothing and household textiles.
These areas are considered work zones because they involve activities that require effort and contribute to the maintenance and functionality of the household.

The Articulation Index (AI) is a technique used to give indications about noise levels. It’s a measure that assesses the intelligibility of speech in noisy environments by quantifying the degree of speech understanding based on the level of background noise.

According to Freud, Sara’s behavior of feeling angry when she sees her father showing affection to her mother is referred to as the Electra complex.
The Electra complex is a psychoanalytic theory proposed by Freud which suggests that during the phallic stage of psychosexual development, girls experience unconscious sexual desires for their fathers and jealousy toward their mothers. This can result in feelings of anger or rivalry towards the same-sex parent.

According to the RDA, the recommended daily intake of vitamin C for adult women is 65 mg/day. For lactating women during the first six months of lactation, an additional 50 mg/day are recommended. Therefore, the total vitamin C requirement for lactating women in the first six months is 65 + 50 = 115 mg/day.

TOTE, which stands for Test-Operate-TestExit, is a problem-solving and decision-making strategy introduced by psychologist George A. Miller. It serves as a framework for feedback loops, allowing individuals or systems to effectively achieve goals by continually assessing and adjusting their actions.

A, B, and C are all symptoms of boredom fatigue: Slow passage of time: When experiencing boredom fatigue, time may feel like it’s passing slowly because the individual is not engaged or interested in the activity they are doing.
Loss of interest in the activity: Boredom fatigue often leads to a decreased interest in the task or activity at hand. This loss of interest can contribute to the feeling of being bored and fatigued.
Aversion from work: Boredom fatigue can also lead to a general aversion or reluctance to engage in work or tasks, as the individual may feel demotivated or disinterested in what they are doing. These symptoms collectively characterize the experience of boredom fatigue, reflecting the lack of engagement, interest, and motivation typically associated with this condition.

The correct order of fibers from higher to lower tenacity under dry conditions is as follows: Flax > Cotton > Acrylic > Wool > Acetate Flax, commonly known as linen, is known for its high strength and durability, making it the strongest fiber in the list. Cotton comes next due to its strong and resilient nature. Acrylic fibers are known for their strength and durability, but they are typically not as strong as cotton or flax. Wool follows, offering good strength but generally not as strong as the other fibers mentioned. Acetate, while versatile, is relatively weaker compared to the others listed.

The National Service Scheme (NSS) is a voluntary public service program in India aimed at fostering social consciousness and providing hands-on experience in community service to college and university students. The National Service Scheme (NSS) was launched in the country in the year 1959.

REBT in counseling stands for Rational Emotive Behavior Therapy. REBT is a form of psychotherapy developed by psychologist Albert Ellis. It focuses on helping individuals identify and change irrational beliefs and thought patterns that contribute to emotional and behavioral issues.