UGC NET/JRF EXAM, June 2020 Paper II (HOME SCIENCE)

Total Questions: 100

1. The emulsifying property of mayonnaise is attributed to:

Correct Answer: (b) Lecithin
Solution:

The emulsifying properties of mayonnaise is attributed lecithin. Lecithin is great emulsifier because the hydrophillic end dissolves in water whereas hydrophobic end dissolves is made up of five smaller molecules. It has a backbone of glycerol that bonds upto three other molecules two of the bonded molecule is fatty acid these are hydrophobic.

The third substance attached to glycerol is phosphoric acid that has an amino alcohol attached called choline. The phosphate end of lecithin is hydrophillic. Its chemical name is phosphatidylcholine.

2. The preservative used in yellow coloured fruit squash is:

Correct Answer: (a) Sodium benzoate
Solution:

Sodium benzoate is a salt of benzoic acid and is used a preservative in yellow coloured fruit squash. Benzoic acid and its salt have broadest spectrum of antimicrobial activity and are useful against many spoilage bacteria, fungi and yeast.

3. The delivery of hot cooked midday meals in an urban city is done by:

Correct Answer: (d) Bulk decentralized mode
Solution:

The delivery of hot cooked midday meals in an urban city is done by bulk decentralized mode. In this delivery service system bulk quantity of prepared food sent hot or cold to serving galleys.

4. One of the methods for recipe adjustment is by:

Correct Answer: (b) Factor method
Solution:

Factor method is used for recipe adjustment.

5. Nutrition labelling has become mandatory even in the absence of nutrition claim in the following country:

Correct Answer: (c) India
Solution:

IN India nutrition labelling has become mandatory even in absence of nutrition claim.

6. The community intervention programme launched by the union Health Ministry for youth both rural and urban, poor and affluent is:

Correct Answer: (c) RKSK
Solution:

Rashtriya Kishor Swasthya Karyakram (RKSK) was launched on 7th January, 2014 by the Union Health Ministry for the youth/adolescent in the age group of 10- 19 years which would target their nutrition, reproductive health and substance abuse among other issues.

The key principles of this programme is adolescent participation and leadership, equity and inclusion, gender equity and strategic partnerships with other sector and stakeholder. It introduces community based interventions through poor educators.

7. The major sign of ARF is:

Correct Answer: (a) Increased serum creatinin level
Solution:

Acute renal failure is characterized by sudden reduction in ability of kidney to remove waste the result in nitrogenous wastes accumlating in the blood. Increased serum creatinin level is major sign of acute renal failure.

8. Which of the following instruments is used for estimation of colour values?

Correct Answer: (d) Spectrophotometer
Solution:

The spectrophotometer is an instrument that measures that amount of photons absorbed, after it passes through a sample solution. Various types of sectrophotometer are used for the estimation of color value and for monitoring color accuracy throughout production.

9. The applique work in Bihar is known as______.

Correct Answer: (a) Khatwa
Solution:

The applique work in Bihar is known as Khatwa. Khatwa is designed by cutting of one fabric and stitching the pieces to another fabric. Khatwa is used to craft decorative tents, conopies and shamianas. Kanbi and Rabari work is from Gujarat.

10. In which of the following places Warp-ikat is not produced?

Correct Answer: (d) Surat
Solution:

Surat do not produce warp-ikat. In warp ikat, the warp yarns are dyed using ikat technique and the weft yarns are dyed a solid colour.