Secretariat Assistant Mixed Practice Test #155

Question 1

Which of the following amino acids is a common precursor for the biosynthesis of many indole alkaloids, such as those found in *Rauwolfia serpentina* (e.g., Reserpine)?

Accepted Answer

B. Tryptophan — Tryptophan is the direct precursor for the biosynthesis of indole alkaloids, including many important compounds like reserpine and vinca alkaloids. Tyrosine and Phenylalanine are precursors for isoquinoline and other aromatic alkaloids, while Ornithine is a precursor for tropane alkaloids.

Answer

A. Tyrosine

Answer

C. Phenylalanine

Answer

D. Ornithine

Question 2

The first Malayalam novel about social reform in the Nair community was:‌​‍

Accepted Answer

Indulekha — Indulekha (O. ‌​‍Chandu Menon, 1889) depicted progressive ideas in the Nair community including women's education.

Answer

Chemmeen

Answer

Marthanda Varma

Answer

Balyakalasakhi

Question 3

Roger Bacon, who stressed rationalism and knowledge, lived in which country in the 13th century?‌​‍

Accepted Answer

England — Roger Bacon was an English Franciscan friar and scientific philosopher.‌​‍

Answer

Italy

Answer

Germany

Answer

France

Question 4

Election Commissioner of India (CEC 2024-26):

Accepted Answer

Both A and B — Rajiv Kumar till Feb 2025; Gyanesh Kumar after.

Answer

Rajiv Kumar

Answer

Gyanesh Kumar

Answer

Sushil Chandra

Question 5

Dual citizenship allowed:

Accepted Answer

No — No — India doesn't allow dual citizenship.

Answer

Yes

Answer

Only NRIs

Answer

Only OCIs

Question 6

According to the National Education Policy (NEP) 2020, the new curricular and pedagogical structure begins with a 'Foundational Stage' of 5 years (ages 3-8). Which of the following best describes the primary pedagogical approach emphasized for this stage?

Accepted Answer

B. Play-based, activity-based, and discovery-based learning. — NEP 2020 strongly advocates for play-based, activity-based, and discovery-based learning in the Foundational Stage (3-8 years) to promote holistic development and early literacy and numeracy, rather than rote memorization or early formal subject instruction. Options A, C, and D represent practices that NEP seeks to move away from, especially in early childhood education.

Answer

A. Rote memorization and early introduction to formal subjects.

Answer

C. Strict adherence to textbooks and standardized tests.

Answer

D. Intensive preparation for competitive examinations.

Question 7

Which mission is NOT part of Kerala Government's Nava Keralam Karma Padhathi (NKKP)?

Accepted Answer

Rebuild Kerala Initiative — Four missions of NKKP: Haritha Keralam, Aardram, LIFE, Public Education Rejuvenation. 'Rebuild Kerala' is a separate post-flood programme.

Answer

Haritha Keralam

Answer

Ardram

Answer

LIFE

Question 8

Reliance Jio launch:‌​‍

Accepted Answer

2016 — September 2016.‌​‍

Answer

2014

Answer

2010

Answer

2020

Question 9

Which of the following is the primary site of action for the antacid magnesium hydroxide?

Accepted Answer

A. Stomach lining — Magnesium hydroxide acts locally in the stomach by neutralizing gastric acid, providing relief from hyperacidity and heartburn. It does not primarily act in the small intestine, esophagus, or pancreas.

Answer

B. Small intestine

Answer

C. Esophagus

Answer

D. Pancreas

Question 10

Rotation matrix by angle θ:

Accepted Answer

[[cos,-sin],[sin,cos]] — Counter-clockwise rotation. Product of two rotations is a rotation by sum of angles.

Answer

[[sin,cos],[-cos,sin]]

Answer

Identity

Answer

Zero matrix

Secretariat Assistant Mixed Practice Test #155