Plus 2 Lecturer Mixed Practice Test #461

Question 1

Glycolysis, the metabolic pathway that breaks down glucose, primarily occurs in which part of the cell?

Accepted Answer

B. Cytosol — Glycolysis, the initial pathway for glucose catabolism, occurs in the cytosol (cytoplasm) of the cell. Subsequent stages of aerobic respiration, such as the Krebs cycle and oxidative phosphorylation, take place in the mitochondria. The nucleus and endoplasmic reticulum are involved in other cellular functions.

Answer

A. Mitochondria

Answer

C. Nucleus

Answer

D. Endoplasmic Reticulum

Question 2

A student scores high on Sternberg's Sternberg Triarchic Abilities Test (STAT) in the 'practical intelligence' component. Which of the following scenarios BEST illustrates this type of intelligence?

Accepted Answer

C. Adapting to a new school environment by learning unwritten social norms. — Sternberg's practical intelligence refers to the ability to apply knowledge to real-world situations and adapt to environmental demands. Scenario C exemplifies this by describing the student's skill in navigating social contexts, a hallmark of practical intelligence. The other options align with analytical intelligence (A), creative intelligence (B), or rote memorization (D).

Answer

A. Solving complex algebraic equations quickly.

Answer

B. Composing a poem using metaphors and rhymes.

Answer

D. Memorizing historical dates and events for a test.

Question 3

Bakelite is:‌​‍

Accepted Answer

Thermosetting phenol-formaldehyde polymer — Leo Baekeland (1907) — first fully synthetic plastic. ‌​‍Cross-linked; once set, cannot be remoulded. Electrical insulator.

Answer

Rubber

Answer

Thermoplastic

Answer

Natural

Question 4

The Himalayas were formed by the collision of which two tectonic plates?‌​‍

Accepted Answer

Indian and Eurasian — Indian Plate moved north from Gondwana 150-160 million years ago and collided with Eurasian Plate — Tethys seabed uplifted to form the Himalayas.‌​‍

Answer

North American and Pacific

Answer

African and Indian

Answer

Pacific and Eurasian

Question 5

He is suffering from a nervous ___

Accepted Answer

break down — 'Nervous breakdown' is the standard phrase.

Answer

break off

Answer

break through

Answer

break up

Question 6

India's Mars Orbiter Mission (Mangalyaan) was launched in:‌​‍

Accepted Answer

2013 — Mangalyaan was launched on 5 November 2013 and entered Mars orbit on 24 September 2014. ‌​‍India became the first country to reach Mars orbit on its first attempt.

Answer

2008

Answer

2016

Answer

2019

Question 7

Adolf Hitler became Chancellor of Germany in:‌​‍

Accepted Answer

1933 — Hitler became Chancellor on 30 January 1933; quickly consolidated dictatorial power.‌​‍

Answer

1939

Answer

1918

Answer

1929

Question 8

Drift velocity of electrons in a conductor:

Accepted Answer

~10⁻⁴ m/s (very slow) — Despite slow drift, signal propagates near c because all electrons respond together. I = neAvd.

Answer

~10⁸ m/s (speed of light)

Answer

~10⁶

Answer

Zero

Question 9

Coelenterates (Cnidaria):

Accepted Answer

Jellyfish, corals — Jellyfish, corals — stinging cells.

Answer

Fish

Answer

Starfish

Answer

Sponges

Question 10

A walks 3m N, then 4m E. Displacement:‌​‍

Accepted Answer

5m — North and East are perpendicular. ‌​‍Displacement is the straight-line distance from start to end = √(3² + 4²) = √25 = 5m (by Pythagoras).

Answer

10m

Answer

1m

Answer

7m

Plus 2 Lecturer Mixed Practice Test #461