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Twelfth Grade (Grade 12) Biology Questions

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Grade 12 Anatomy and Physiology
The presence of human chorionic gonadotropin (HCG) in a woman’s urine indicates that she                               .
  1. has just ovulated.
  2. is pregnant.
  3. has decreased estrogen levels.
  4. is about to menstruate.
Grade 12 Anatomy and Physiology
The function of structures W and Y is to
  1. produce fluids that make up semen.
  2. produce testosterone.
  3. mature and store sperm.
  4. deliver the sperm to the female.
Grade 12 Anatomy and Physiology
An increasing level of estrogen during the menstrual cycle causes:
  1. the corpus luteum to degenerate
  2. the uterine lining to degenerate.
  3. a decrease in the secretion of F.S.H. (follicle stimulating hormone).
  4. ovulation.
Grade 12 Skin, Skeleton, and Muscles
This runs along the center of the medial bone of the leg.
  1. medial condyle
  2. medial malleolus
  3. gluteal tuberosity
  4. anterior crest
Grade 12 Development and Reproduction
About 90% of newborns are approximately 18 to 22 inches in length.
  1. True
  2. False
Grade 12 Cell Structure and Function
Lung cancer does not have a cure.
  1. True
  2. False
Grade 12 Microbiology
There is a cure for Hepatitis B.
  1. True
  2. False
Grade 12 Anatomy and Physiology
Which activity does not represent an anatomical study?
  1. examining the surface of a bone
  2. studying how the nerves conduct electrical impulses
  3. viewing muscle tissue through a microscope
  4. observing the parts of a reproducing cell
Grade 12 Skin, Skeleton, and Muscles
What covers the upper chest and neck and pulls the mouth inferiorly?
  1. sternocleidomastoid
  2. masseter
  3. platysma
  4. orbicularis oris
Grade 12 Skin, Skeleton, and Muscles
This muscle runs across the lateral side of the wrist and is responsible for extension and abduction of the wrist.
  1. extensor digitorum
  2. brachioradialis
  3. extensor carpi radialis
  4. lateral extensoralis
Grade 12 Skin, Skeleton, and Muscles
This is an attachment point for muscle that is inferior to the head of the femur.
  1. gluteal tuberosity
  2. medial epicondyle
  3. tibial tuberosity
  4. lateral epicondyle
Grade 12 Skin, Skeleton, and Muscles
These are small bony spines that surround the lingual foramen below the mandibular central incisors.
  1. lingual foramen
  2. genial tubercules
  3. mandibular foramen
  4. enamel
Grade 12 Taxonomy
Define taxonomy.
Grade 12 Skin, Skeleton, and Muscles
An opening in the abdominal wall is called an ostomy.
  1. True
  2. False
Grade 12 Anatomy and Physiology
What are the four main bodily needs for most organisms?
  1. food, oxygen, water, heat
  2. food, oxygen, carbon dioxide, water
  3. food, oxygen, water, air
  4. none of the above
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