MCQ Test Flashcards

Which type of bond involves the sharing of electrons between atoms?

Answer: Covalent bond

Covalent bonds form when atoms share one or more pairs of electrons to achieve stable electron configurations.

The process of converting glucose to pyruvate in the absence of oxygen is called:

Answer: Glycolysis

Glycolysis is the anaerobic breakdown of glucose into two pyruvate molecules, producing 2 ATP net gain.

A convex lens forms a real, inverted, and diminished image when the object is placed:

Answer: Beyond 2F

When an object is placed beyond 2F of a convex lens, the image formed is real, inverted, and diminished.

Which element has the highest electronegativity on the Pauling scale?

Answer: Fluorine

Fluorine has the highest electronegativity value of 3.98 on the Pauling scale due to its small size and high nuclear charge.

The 'Fight or Flight' response is triggered by which hormone?

Answer: Adrenaline (Epinephrine)

Adrenaline (epinephrine), secreted by the adrenal medulla, prepares the body for the 'fight or flight' stress response.

Which law of thermodynamics states that energy cannot be created or destroyed?

Answer: First Law

The First Law of Thermodynamics (conservation of energy) states total energy of an isolated system remains constant.

The Hardy-Weinberg equilibrium principle applies to populations that are:

Answer: Large with random mating and no evolution

Hardy-Weinberg equilibrium requires large population size, random mating, no mutation, no selection, and no gene flow.