Practice Questions

The passage explicitly states, 'biomass usage has declined'.

Describing a storm as a 'growling beast' creates an image of something aggressive and dangerous.

Pragmatic means dealing with things sensibly and realistically in a way that is based on practical rather than theoretical considerations.

Tapestry of amber and crimson' describes visual colors, appealing to the sense of sight.

Ephemeral means lasting for a very short time; the context of it 'vanishing' confirms it was temporary or fleeting.

The hypothalamus is the principal homeostatic center of the brain. It regulates body temperature, hunger, thirst, water balance, sleep, and endocrine functions through its influence on the pituitary gland. Intelligence is a function of the cerebrum, vision and hearing involve the cerebral cortex and midbrain, while voluntary muscle contraction is initiated by the motor cortex.

The cerebrum plans and initiates voluntary movements, while the cerebellum coordinates their timing, precision, and balance. Without cerebellar input, movements become irregular and poorly coordinated.

The pons connects different regions of the brain, particularly the cerebrum and cerebellum, and contains respiratory centers that help regulate the depth and rhythm of breathing.

The cerebellum continuously receives information from muscles, joints, and the inner ear to coordinate posture, muscle tone, and balance. Damage to it results in poor balance and uncoordinated movements.

Most motor nerve fibers decussate (cross) in the medulla oblongata. Consequently, the left cerebral hemisphere controls the right side of the body, and the right hemisphere controls the left side.