HSA Mixed Practice Test #1022

Question 1

Activation energy Ea can be determined by:

Accepted Answer

Arrhenius plot (ln k vs 1/T) — slope = -Ea/R — Measure k at multiple T. Slope of ln k vs 1/T gives -Ea/R. Intercept gives ln A.

Answer

Only at one T

Answer

Graphing concentration

Answer

Spectroscopy only

Question 2

Information Commissioner term:‌​‍

Accepted Answer

By govt — Fixed by Central govt (2019 amendment).‌​‍

Answer

3 years

Answer

5 years or 65

Answer

6 years

Question 3

Duffmuttu:‌​‍

Accepted Answer

Mappila men's dance with tambourine — Muslim men's dance.‌​‍

Answer

Children

Answer

Women

Answer

Hindu

Question 4

The Gupta period is often referred to as the 'Golden Age' of India due to significant advancements across various fields. Which of the following statements accurately characterizes a notable scientific or cultural achievement of this era, reflecting a shift or peak in intellectual pursuits?

Accepted Answer

C. The invention of the decimal system, including the concept of zero, and significant contributions to astronomy by scholars like Aryabhata and Varahamihira. — The Gupta period witnessed groundbreaking advancements in mathematics and astronomy, most notably the development of the decimal system, the concept of zero, and significant contributions from scholars like Aryabhata and Varahamihira. This intellectual flourishing is a key reason for its 'Golden Age' designation. Option A describes features of the Indus Valley Civilization. Option B refers to agricultural developments that were not exclusively or uniquely characteristic of the Gupta period in such widespread and unprecedented terms. Option D refers to rock-cut architecture, which, while presen

Answer

A. The development of an urban sanitation system featuring advanced drainage and public baths, akin to the Indus Valley Civilization.

Answer

B. The widespread adoption of iron plows and large-scale canal irrigation projects, leading to unprecedented agricultural surplus across the subcontinent.

Answer

D. The construction of massive rock-cut stupas and viharas, primarily for Buddhist monastic communities, under royal patronage.

Question 5

The minimum age to contest Rajya Sabha elections is:‌​‍

Accepted Answer

30 years — Minimum age for Rajya Sabha is 30 years (Lok Sabha = 25 years, President = 35 years).‌​‍

Answer

21 years

Answer

25 years

Answer

35 years

Question 6

Which schedule relates to tribal areas in Assam, Meghalaya, Tripura, Mizoram?‌​‍

Accepted Answer

Sixth Schedule — Sixth Schedule: administration of tribal areas in NE states through Autonomous District Councils.‌​‍

Answer

Fifth Schedule

Answer

Tenth Schedule

Answer

Twelfth Schedule

Question 7

Types of WBCs:‌​‍

Accepted Answer

5 — 5 types: neutrophils, lymphocytes, monocytes, eosinophils, basophils.‌​‍

Answer

10

Answer

7

Answer

3

Question 8

Kudremukh iron ore in:‌​‍

Accepted Answer

Karnataka — Karnataka.‌​‍

Answer

Chhattisgarh

Answer

Odisha

Answer

Jharkhand

Question 9

Smallest gland:‌​‍

Accepted Answer

Pineal — Pineal gland — smallest endocrine gland.‌​‍

Answer

Pituitary

Answer

Thyroid

Answer

Adrenal

Question 10

The Election Commission can be a multi-member body — currently:‌​‍

Accepted Answer

3 members (CEC + 2 EC) — ECI has been a 3-member body since 1993 (briefly in 1989). ‌​‍CEC + 2 Election Commissioners.

Answer

5 members

Answer

2 members

Answer

1 member

HSA Mixed Practice Test #1022