General Science Topics
Undergraduate level — General Science
Choose question count and time — session stays in your browser only.
filter_alt Topics
Physics Basics
Chemistry Basics
Biology Basics
Science & Technology
Environment & Ecology
quiz Questions
Q201
Which chemical statement states that the structural layout of electrons filling atomic subshells maximizes spin parameters by occupying empty degenerate orbitals singly before pairing begins?
Pauli Exclusion Principle
Hund's Rule of Maximum Multiplicity
Aufbau Building Principle
Heisenberg Uncertainty Boundary
Explanation
Hund's Rule of Maximum Multiplicity dictates that for a given electron configuration, degenerate subshell orbitals are each occupied singly with parallel spins before any orbital configuration undergoes double electron pairing.
Q202
Which specific hormone is secreted by the alpha cells inside the pancreatic Islets of Langerhans to increase low blood glucose coordinates back to normal levels?
Insulin
Glucagon
Somatostatin
Adrenaline
Explanation
Glucagon is synthesized and released by pancreatic alpha cells when circulating blood glucose values drop. It primary drives hepatic glycogenolysis and gluconeogenesis to elevate sugar readouts.
Q203
An ideal transformer features 100 turns in its primary coil and 400 turns in its secondary coil. If an AC input voltage of 12 V is applied to the primary circuit, what will be the output voltage across the secondary terminals?
3 V
24 V
48 V
120 V
Explanation
According to the transformer formula, Vs / Vp = Ns / Np. Substituting the values: Vs / 12 = 400 / 100, which means Vs / 12 = 4. Therefore, Vs = 12 × 4 = 48 Volts.
Q204
Which chemical element configuration possesses the maximum electronegativity value on the Pauling scale?
Oxygen
Chlorine
Fluorine
Nitrogen
Explanation
Fluorine (F) is the most electronegative element in the periodic table, with a value of approximately 3.98 on the Pauling scale, due to its small atomic radius and high effective nuclear charge.
Q205
Which structural compartment inside human bone framework is primary responsible for the biological synthesis of red and white blood cells?
Yellow Bone Marrow
Red Bone Marrow
Periosteum Membrane
Haversian Canals
Explanation
Hematopoiesis, the process of blood cell generation, occurs within the Red Bone Marrow localized inside the spongy tissue of long bones like the femur and ribs.
Q206
What specialized programming parameter refers to a low-level computer program that translates assembly language codes directly into machine language instructions?
Compiler
Assembler
Interpreter
Linker
Explanation
An assembler takes basic computer instructions written in assembly language and converts them into a binary matrix pattern (0s and 1s) that the CPU can execute directly.
Q207
The national regulatory act known as the 'Wildlife Protection Act' inside India was legislated and established during which calendar year?
1968
1972
1980
1986
Explanation
The Wildlife Protection Act was enacted by the Parliament of India in 1972 to provide a powerful legal framework for protecting plant and animal species and managing wildlife habitats.
Q208
A block of mass 4 kg drops down from rest through a vertical distance of 5 meters. What is the velocity of the block at that instant? (Take g = 10 m/s², neglect air friction)
5 m/s
10 m/s
14.1 m/s
20 m/s
Explanation
Using the kinematic equation v² = u² + 2gh, where u = 0. v² = 0 + 2(10)(5) = 200. Therefore, velocity v = √100 = 10 m/s.
Q209
Which chemical principle states that no two electrons inside a single multi-electron atom can possess an identical set of all four quantum numbers?
Aufbau Principle
Pauli Exclusion Principle
Hund's Rule
Le Chatelier's Principle
Explanation
The Pauli Exclusion Principle dictates that an orbital can hold a maximum of two electrons, and they must have opposite mechanical spin orientations (+½ and -½).
Q210
Which specific hormone is secreted by the endocrine parathyroid glands to elevate low blood calcium coordinates back to balanced metrics?
Calcitonin
Parathyroid Hormone (PTH)
Aldosterone
Melatonin
Explanation
Parathyroid Hormone (PTH) acts to increase blood calcium concentrations by triggering bone calcium reabsorption, decreasing renal calcium extraction, and boosting intestinal absorption.