HSA Mixed Practice Test #497

Question 1

The integumentary system, comprising the skin, hair, and nails, performs several vital functions for the human body. Which of the following is NOT a primary function of the integumentary system?

Accepted Answer

D. Production of red blood cells in the dermal layer — The integumentary system protects the body, regulates temperature, prevents water loss, and synthesizes Vitamin D. However, the production of red blood cells (hematopoiesis) is primarily a function of the bone marrow, not the skin. The dermal layer of the skin contains various cells and structures but is not involved in erythropoiesis.

Answer

A. Protection against physical trauma and pathogens

Answer

B. Regulation of body temperature through sweating and vasodilation/constriction

Answer

C. Synthesis of Vitamin D upon exposure to UV radiation

Question 2

Solar-powered airport:‌​‍

Accepted Answer

Kochi — Cochin International Airport (CIAL) — world's first fully solar-powered airport (2015).‌​‍

Answer

TVM

Answer

Kozhikode

Answer

Kannur

Question 3

Kerala state symbol — tree:‌​‍

Accepted Answer

Coconut — Coconut palm.‌​‍

Answer

Mahogany

Answer

Jackfruit

Answer

Teak

Question 4

Skyroot based in:‌​‍

Accepted Answer

Hyderabad — Hyderabad.‌​‍

Answer

Chennai

Answer

Bangalore

Answer

Mumbai

Question 5

Pepsin acts on:

Accepted Answer

Protein — Protein in acidic stomach.

Answer

Fat

Answer

Starch

Answer

DNA

Question 6

Tiger reserves total (approx 2024):

Accepted Answer

50+ — About 54 tiger reserves.

Answer

30

Answer

100

Answer

10

Question 7

Mean kinetic energy per molecule of ideal gas at absolute T is:

Accepted Answer

(3/2)kT — Equipartition: (1/2)kT per DOF. Monatomic gas has 3 translational DOF.

Answer

kT

Answer

(5/2)kT

Answer

RT

Question 8

'Iron Man of India':‌​‍

Accepted Answer

Patel — Sardar Vallabhbhai Patel.‌​‍

Answer

Shivaji

Answer

Jawaharlal Nehru

Answer

Bose

Question 9

Who led the 1921 Malabar Rebellion?‌​‍

Accepted Answer

Ali Musliyar — Ali Musliyar and Variyankunnath Kunhahammad Haji led the 1921 Moplah uprising.‌​‍

Answer

Syed Fazal Pookoya Thangal

Answer

Mamburam Thangal

Answer

E.K. Aboobacker Musliyar

Question 10

Narmada rift valley between:

Accepted Answer

Vindhya-Satpura — Runs through rift between Vindhya and Satpura.

Answer

Western-Eastern Ghats

Answer

Himalaya-Aravalli

Answer

Kashmir-Karakoram

HSA Mixed Practice Test #497