LDC Mixed Practice Test #386

Question 1

Which part of the nephron is primarily responsible for the reabsorption of most filtered water, electrolytes, and nutrients back into the bloodstream?

Accepted Answer

D. Proximal convoluted tubule — The proximal convoluted tubule (PCT) is where the majority (approximately 65-70%) of filtered water, sodium, chloride, potassium, glucose, and amino acids are reabsorbed back into the bloodstream. The glomerulus is responsible for filtration, the Loop of Henle primarily concentrates urine, and the distal convoluted tubule fine-tunes reabsorption and secretion.

Answer

A. Glomerulus

Answer

B. Loop of Henle

Answer

C. Distal convoluted tubule

Question 2

ChatGPT (launched Nov 2022) is developed by:

Accepted Answer

OpenAI — OpenAI (co-founded 2015 by Musk, Altman et al.) launched ChatGPT based on GPT-3.5 in Nov 2022.

Answer

Google

Answer

Meta

Answer

Microsoft

Question 3

A homeless patient admitted to the hospital with severe malnutrition is primarily concerned about finding a safe place to sleep and access to food upon discharge, rather than fully engaging in long-term health management plans. According to Maslow's Hierarchy of Needs, which needs are most prominent for this patient?

Accepted Answer

D. Physiological and safety needs — Maslow's Hierarchy of Needs posits that basic needs must be met before higher-level needs can be addressed. For this patient, physiological needs (food, water, shelter) and safety needs (security, stability) are fundamental and take precedence over concerns like self-actualization, esteem, or love and belonging.

Answer

A. Self-actualization needs

Answer

B. Esteem needs

Answer

C. Love and belonging needs

Question 4

Vizhinjam port inauguration (commercial):‌​‍

Accepted Answer

2023-24 — Container operations began 2023-24.‌​‍

Answer

2025

Answer

2015

Answer

2020

Question 5

'No sooner had he left ___ the phone rang':‌​‍

Accepted Answer

than — No sooner...than.‌​‍

Answer

then

Answer

when

Answer

before

Question 6

First Malayalam film:‌​‍

Accepted Answer

Vigathakumaran — Vigathakumaran (1928) by J.C. Daniel.‌​‍

Answer

Balan

Answer

Marthanda Varma

Answer

Jeevithanauka

Question 7

Two projectiles launched at complementary angles (θ and 90-θ) with same speed have equal:‌​‍

Accepted Answer

Range — R ∝ sin(2θ) = sin(180-2θ) = sin 2(90-θ). ‌​‍Same range; different heights and times.

Answer

Maximum height

Answer

Velocity

Answer

Time of flight

Question 8

The Women's Reservation Act (2023) provides for reservation of seats in Lok Sabha/State Assemblies of:

Accepted Answer

33% (one-third) — 106th Amendment (Nari Shakti Vandan Adhiniyam, 2023) reserves 33% seats for women in Lok Sabha + Assemblies. Effective after next delimitation.

Answer

25%

Answer

40%

Answer

50%

Question 9

The first Nobel laureate in Economics from India was:‌​‍

Accepted Answer

Amartya Sen — Amartya Sen won Nobel in Economics (1998) for work on welfare economics. ‌​‍Originally from Bengal.

Answer

Raghuram Rajan

Answer

Subrahmanyan Chandrasekhar

Answer

Abhijit Banerjee

Question 10

Which Indian state launched the first 'Mid-Day Meal Programme' in the country?

Accepted Answer

A. Tamil Nadu — Tamil Nadu pioneered the Mid-Day Meal Programme in 1925 under the leadership of Chief Minister K. Kamaraj. While Kerala and other states later adopted similar schemes, Tamil Nadu's initiative predates them. Gujarat and Maharashtra were not the first to implement this programme.

Answer

B. Kerala

Answer

C. Maharashtra

Answer

D. Gujarat

LDC Mixed Practice Test #386