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

Total Questions: 100

61. Examples of transpyloric feeding are

A. Nasogastric tube feeding
B. Nasoduodenal tube feeding
C. Nasojejunal tube feeding
D. Gastrostomy tube feeding
E. Jejunostomy tube feeding
Choose the correct answer from the options given below :

Correct Answer: (b) B, C, E only
Solution:Transpyrolic tube feeds are used for infants who are unable to tolerate gastric feeds either because of poor stomach emptying of severe gastro-esophageal reflux. Example of transpyrolic feeding
• Nasoduodenal tube feeding
• Nasojejunal tube feeding
• Jejunostomy tube feeding

62. Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R.

Assertion A : Presence of phytates in food make iron unavailable
Reason R : In presence of Ca and Mg, phytate forms soluble complexes with iron. In the light of the above statements, choose the correct answer from the options given below:

Correct Answer: (c) A is true but R is false
Solution:

Phytate is the primary storage form of both phosphate and inositol in plant seeds. It form complexes with minerals (iron, calcium, zinc) and decrease their absorption and bioavailability.

63. Which one of the following is a natural protein fibre?

Correct Answer: (a) Vicuna
Solution:

Vicuna is a natural protein fiber which obtained from animal. Sisal is also a natural cellulosic fiber obtained from the leaves of Agave plants. Aramid and anidex are synthetic fiber.

64. Given below are two statements : One is labelled as Assertion A and the other is labelled as Reason R.

Assertion A : Some women develop post partum depression, which involves a major depressive episode that typically occurs about four weeks after delivery.
Reason R : Women make numerous adjustments in the first days and weeks after child birth.
In the light of the above statements, choose the most appropriate answer from the options given below:

Correct Answer: (a) Both A and R are correct and R is the correct explanation of A.
Solution:

Some women develop post partum depression because they make numerous adjustments in the first day and weeks after the child birth. It is a form of major depressive episode that occur about four week after delivery. Post partum depression is linked to chemical social and psychological changes that happen when having a baby.

65. With respect of two major classifications of proteins, the statements that are true are

A. Fibrous proteins are generally long
B. Fibrous proteins are highly soluble in water
C. Collagen is an example of fibrous protein
D. Globular proteins are generally compact and spherical
E. Elastin, keratin and fibrin are globular proteins
Choose the correct answer from the options given below : 

Correct Answer: (a) A, B, C only
Solution:

Correct statements regarding classification of protein:
• Fibrous proteins are generally long.
• Collagen is an example of fibrous protein.
• Globular proteins are generally compact and spherical.
• Fibrous proteins are highly soluble in water.
• Elastin, keratin and fibrin are globular proteins.
• Albumin, Globulin and histone are globular protein.

66. Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R.

Assertion A: For determining validity, a set of other propositions are matched with the results received by using the measurement instrument.
Reason R: A measure is said to possess validity to the degree that it confirms to predicted correlation with other theoretical propositions.
In the light of the above statements, choose the correct answer from the options given below:

Correct Answer: (a) Both A and R are true and R is the correct explanation of A.
Solution:

Validity refers to how accurately a method measures what it is intended to measure. For determining validity a set of other proposition are matched with the results received by using the measurement instrument.

67. Give the correct sequence of producing linen.

A. Breaking
B. Retting
C. Rippling
D. Hackling
E. Scutching
Choose the correct answer from the options given below:

Correct Answer: (b) C, B, A, E, D
Solution:

Correct sequence of producing linen are:
• Rippling
• Retting
• Breaking
• Scutching
• Hackling

68. Physical and economic access to enough food to all people at all times is :

Correct Answer: (c) Food production
Solution:

Food production is physical and economic access to enough food to all people at all times.

69. A set of data was statistically analysed using Ftest. The results indicated that there were differences somewhere among the groups. A post hoc test is conducted to identify if the groups differ significantly or not. This test can be -

Correct Answer: (d) Pearson's r
Solution:

Pearson's correlation coefficient is the test statistics that measures the statistical relationship or association, between two continuous variable. It is a post-hoc test that is conducted to identify if the group differ significantly or not.

70. Low weight-for-height is a measure of

Correct Answer: (c) Wasting
Solution:

Low weight-for-height is a measure of Wasting. Low height-for-age is a measure of Stunting Low weight-for-age is a measure of Underweight