Curriculum
Login

Curriculum

English

Unit 1 - Advanced Grammar and Reading Comprehension

0/8

More lessons

0/46
Quiz

Lesson 1: Narrative Tenses, Conditionals, and Academic Vocabulary — Lesson quiz

Submit quiz
Once you submit, you will no longer be able to change your answers. Are you sure you want to submit the quiz?
Cancel Submit
  • Questions count: 5
  • Passing grade: 60%
Start Quiz
1.
By the time the train arrived at the station, the passengers _____ on the platform for over an hour.
have waited
will wait
are waiting
had been waiting
2.
Which of the following cellular changes occurs directly when a wilted plant shoot is irrigated with fresh water?
Water enters the vacuole via osmosis, expanding turgor pressure against the cell wall.
Cuticle thickness over leaf epidermis doubles within minutes.
Cell sap osmotic pressure increases and cell wall shrinks inward.
Lignin is immediately deposited inside the xylem vessel walls.
3.
During maximal skeletal muscle contraction according to Huxley's sliding filament model, which region experiences NO change in its absolute length?
The distance between two successive Z-lines
The A-band (dark anisotropic zone)
The H-zone (central semi-light region)
The I-band (light isotropic zone)
4.
What is the biochemical cause of continuous, non-relaxing muscle spasm that can cause muscular tearing?
Excessive breakdown of acetylcholine by the enzyme acetylcholinesterase.
Sudden accumulation of glucose inside glycogen granules.
Abrupt accumulation of excessive calcium ions in the synaptic cleft.
Complete depletion of cellular ATP molecules, preventing cross-bridge detachment.
5.
How many cervical vertebrae are present in the adult human vertebral column?
5 vertebrae
7 vertebrae
12 vertebrae
4 vertebrae
  • 1
  • 2
  • 3
  • 4
  • 5