VFA Mixed Practice Test #855

Question 1

Philosophy branches:‌​‍

Accepted Answer

Metaphysics (reality), Epistemology (knowledge), Ethics, Logic, Aesthetics — Political philosophy, philosophy of science, mind, language — applied branches. ‌​‍Western vs Eastern traditions.

Answer

Only ethics

Answer

Only one

Answer

Only logic

Question 2

Deficiency of Vitamin B1 (Thiamine) can significantly impair the activity of which crucial enzyme complex involved in the oxidative decarboxylation of pyruvate?

Accepted Answer

B. Pyruvate dehydrogenase complex — Thiamine pyrophosphate (TPP), derived from Vitamin B1, is an essential coenzyme for the pyruvate dehydrogenase complex (PDC). PDC catalyzes the conversion of pyruvate to acetyl-CoA, a critical link between glycolysis and the citric acid cycle. Impaired PDC activity leads to reduced ATP production and lactate accumulation, characteristic of thiamine deficiency.

Answer

A. Lactate dehydrogenase

Answer

C. Succinate dehydrogenase

Answer

D. Glucose-6-phosphate dehydrogenase

Question 3

When preparing sterile intravenous admixtures in a laminar airflow workbench (LAFW), which of the following practices is crucial to maintain sterility?

Accepted Answer

C. Wiping down all surfaces with 70% isopropyl alcohol before and periodically during compounding. — Wiping surfaces with 70% isopropyl alcohol effectively disinfects the workspace, a critical step in maintaining an aseptic environment. Working at the front edge creates turbulence and placing non-sterile items downstream contaminates sterile items; blocking the HEPA filter compromises the airflow and filtration efficiency.

Answer

A. Working at the front edge of the LAFW to maximize air turbulence.

Answer

B. Placing non-sterile items downstream of sterile items in the airflow.

Answer

D. Blocking the HEPA filter with large items to prevent contamination.

Question 4

The part of the tooth that is visible above the gum is called:‌​‍

Accepted Answer

Crown — Crown is the visible enamel-covered part; root is embedded in the jaw.‌​‍

Answer

Pulp

Answer

Neck

Answer

Root

Question 5

Make in India initiative launched:

Accepted Answer

2014 — September 25, 2014. 25 sectors. Objectives: increase manufacturing GDP share, create jobs, attract FDI. Sectors: defense, automobile, pharma.

Answer

2016

Answer

2010

Answer

2020

Question 6

Which of the following functional groups is primarily responsible for the anti-inflammatory activity of aspirin?

Accepted Answer

D. Acetyl group (-OCOCH3) — The acetyl group present in aspirin undergoes hydrolysis to release salicylic acid, which inhibits cyclooxygenase (COX) enzymes, reducing prostaglandin synthesis and inflammation. While the aromatic ring and carboxylic acid contribute to solubility and absorption, the acetyl group is crucial for its pharmacological action.

Answer

A. Carboxylic acid (-COOH)

Answer

B. Ester (-COOR)

Answer

C. Aromatic benzene ring

Question 7

India's first satellite:‌​‍

Accepted Answer

Aryabhata — Aryabhata (1975).‌​‍

Answer

Rohini

Answer

INSAT

Answer

Bhaskara

Question 8

Profit maximization condition:

Accepted Answer

MR = MC — Classical rule: produce where marginal revenue = marginal cost. In perfect competition, P = MR, so P = MC.

Answer

P = MC

Answer

MR > MC

Answer

MR < MC

Question 9

Palakkad Gap width:‌​‍

Accepted Answer

30 km — ~30 km wide break in Western Ghats.‌​‍

Answer

50 km

Answer

10 km

Answer

20 km

Question 10

For uniform acceleration, relation v² = u² + 2as assumes:

Accepted Answer

Constant a along straight line — Third equation of kinematics under constant acceleration on a straight path.

Answer

Variable a

Answer

Circular motion

Answer

Only free fall

VFA Mixed Practice Test #855