Want to see correct answers?
Login or join for free!
  Biology Worksheets
Looking for Biology worksheets?
Check out our pre-made Biology worksheets!
Share/Like This Page
Filter By Grade

You are browsing Grade 12 questions. View questions in All Grades.

Kindergarten Grade 1 Grade 2 Grade 3 Grade 4 Grade 5 Grade 6 Grade 7 Grade 8 Grade 9 Grade 10 Grade 11 Grade 12 College Graduate Continuing Education

Browse Questions

Twelfth Grade (Grade 12) Biology Questions

You can create printable tests and worksheets from these Grade 12 Biology questions! Select one or more questions using the checkboxes above each question. Then click the add selected questions to a test button before moving to another page.

Previous Page 37 of 49 Next
Grade 12 Respiration, Digestion, and Excretion
What is the point of entry for the renal artery and the point of exit for the renal vein and ureter?
  1. renal column
  2. medulla
  3. hilus
  4. renal cortex
Grade 12 Anatomy and Physiology
A rise in blood levels of FSH at the beginning of the ovarian cycle causes what?
  1. the release of the egg.
  2. the breakdown of the endometrium.
  3. the maturation of the follicle.
  4. menopause.
Grade 12 Anatomy and Physiology
Movement of a fertilized egg in an oviduct occurs with the help of                  .
  1. flagella.
  2. cilia.
  3. diffusion.
  4. active transport.
Grade 12 Anatomy and Physiology
In males, what would be the immediate effect of a lack of luteinizing hormone?
  1. Spermatogenesis would be promoted.
  2. Facial hair growth would increase.
  3. Testosterone production would stop.
  4. Seminal fluid production would stop.
Grade 12 Skin, Skeleton, and Muscles
What does visceral muscle do?
  1. contracts to make the body move
  2. makes up the organs
  3. pumps blood throughout the body
  4. controls breathing
Grade 12 Respiration, Digestion, and Excretion
The alimentary canal is also known as the gastrointestinal tract (GI tract).
  1. True
  2. False
Grade 12 Skin, Skeleton, and Muscles
The mechanism responsible for the size principle is
  1. larger motor neurons that contain the greatest number of muscle cells reach threshold easier than smaller neurons.
  2. larger sympathetic neurons that contain the greatest number of muscle cells reach threshold easier than smaller neurons.
  3. smaller sympathetic neurons that contain the least number of muscle cells reach threshold easier than larger neurons.
  4. smaller motor neurons that contain the least number of muscle cells reach threshold easier than larger neurons.
  5. smaller motor neurons that contain the greatest number of muscle cells reach threshold easier than larger neurons.
Grade 12 Botany
Which characteristic is NOT shared by club mosses and horsetails?
  1. large sporophytes
  2. microphyll-type leaves
  3. apical growth
  4. true roots
Grade 12 Botany
How is the fern megaphyll thought to have evolved?
  1. as a result of branch flattening
  2. spontaneously in multiple lineages
  3. from a sterile sporangia
  4. by the process of amphidiploidy
Grade 12 Skin, Skeleton, and Muscles
Blond hair is the result of having little pigmentation in the
  1. keratin.
  2. teeth.
  3. hair strand.
  4. brain.
Grade 12 Anatomical Organization
What region separates the thoracic cavity into two compartments?
  1. diaphragm
  2. mediastinum
  3. cervical
  4. mammary
Grade 12 Respiration, Digestion, and Excretion
Pepsin has a pH of
  1. 4.
  2. 5.
  3. 2.
  4. 3.
Grade 12 Skin, Skeleton, and Muscles
What action is completed in order to stand on your toes?
  1. dorsiflexion
  2. plantarflexion
  3. eversion
  4. inversion
Previous Page 37 of 49 Next