LGS Mixed Practice Test #31

Question 1

Which of the following polymers is commonly used in the production of non-stick cookware coatings due to its high thermal stability and low surface energy?

Accepted Answer

B. Polytetrafluoroethylene (PTFE) — Polytetrafluoroethylene (PTFE) is the polymer used in non-stick coatings like Teflon due to its exceptional thermal stability (withstands temperatures up to 260°C) and very low coefficient of friction, making it ideal for cookware. Polyethylene has poor thermal stability, PVC degrades at high temperatures, and polypropylene lacks the necessary low surface energy for non-stick properties.

Answer

A. Polyethylene

Answer

C. Polyvinyl chloride (PVC)

Answer

D. Polypropylene

Question 2

Edamalayar dam:

Accepted Answer

Ernakulam — On Periyar's tributary.

Answer

Idukki

Answer

Kottayam

Answer

Palakkad

Question 3

The National Education Policy 2020 proposes the establishment of which type of institutions to foster excellence in higher education?

Accepted Answer

B. Multidisciplinary Education and Research Universities (MERUs) — MERUs are proposed to be institutions of global standards, focusing on multidisciplinary education and high-quality research. The other options are either too narrow (TTIs, VTCs) or already exist (Central Universities) and do not align with the NEP 2020's vision for higher education.

Answer

A. Central Universities

Answer

C. Technical Training Institutes (TTIs)

Answer

D. Vocational Training Centers (VTCs)

Question 4

Kudumbashree, Kerala's women empowerment programme, was launched in:

Accepted Answer

1998 — Kudumbashree was launched in 1998 as a community-based poverty eradication programme for women.

Answer

1991

Answer

2001

Answer

2005

Question 5

Which of the following is NOT a primary advantage of using multimedia in classroom teaching?

Accepted Answer

C. Reduces the need for teacher-student interaction — Multimedia aids enhance learning by engaging multiple senses, but they do not reduce the need for teacher-student interaction; rather, effective teaching often requires active teacher facilitation. Distractors A, B, and D are valid benefits, while C misrepresents the role of multimedia.

Answer

A. Enhances visual and auditory learning experiences

Answer

B. Facilitates interactive and self-paced learning

Answer

D. Supports differentiated instruction for diverse learners

Question 6

Who is the Chief Minister of Chhattisgarh (since December 2023)?‌​‍

Accepted Answer

Vishnu Deo Sai — Vishnu Deo Sai (BJP) took office as CM on 13 December 2023.‌​‍

Answer

Bhajan Lal Sharma

Answer

Shibu Soren

Answer

Bhupesh Baghel

Question 7

The loudness of sound depends on:‌​‍

Accepted Answer

Amplitude — Larger amplitude = louder sound; higher frequency = higher pitch.‌​‍

Answer

Medium only

Answer

Speed

Answer

Frequency only

Question 8

National Emergency can be declared on grounds of:‌​‍

Accepted Answer

External aggression or armed rebellion — Article 352: National Emergency on grounds of war, external aggression, or armed rebellion (44th Amendment changed 'internal disturbance' to 'armed rebellion').‌​‍

Answer

War only

Answer

Financial instability

Answer

State government failure

Question 9

Internet/World Wide Web was invented by:‌​‍

Accepted Answer

Tim Berners-Lee at CERN (1989) — Berners-Lee invented WWW at CERN (1989-91). ‌​‍First website live 1991. Distinguished from Internet (TCP/IP network, Vint Cerf) which is the underlying infrastructure.

Answer

Steve Jobs

Answer

Vint Cerf (TCP/IP)

Answer

Bill Gates

Question 10

Gulf Cooperation Council members:

Accepted Answer

6 — Saudi, UAE, Qatar, Oman, Kuwait, Bahrain.

Answer

5

Answer

8

Answer

10

LGS Mixed Practice Test #31