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Twelfth Grade (Grade 12) Biology Questions

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Grade 12 Circulatory and Immune Systems
Which is not one of the main three types of blood vessels in the body?
  1. arteries
  2. veins
  3. capillaries
  4. venules
Grade 12 Circulatory and Immune Systems
Which is not an important factor involving blood flow?
  1. contraction of the diaphragm
  2. pumping action of the skeletal muscle
  3. valves in the veins
  4. All are important factors.
Grade 12 Skin, Skeleton, and Muscles
The ends of long bones are
  1. diaphyses.
  2. periosteum.
  3. medullary cavities.
  4. epiphyses.
Grade 12 Anatomical Organization
This means lying on one's back.
  1. prone
  2. lateral
  3. dorsal
  4. supine
Grade 12 Skin, Skeleton, and Muscles
The most superior aspect of the sternum is the
  1. xiphoid process.
  2. body.
  3. manubrium.
  4. sternal notch.
Grade 12 Skin, Skeleton, and Muscles
How many cranial bones are in the head?
  1. 5
  2. 6
  3. 7
  4. 8
Grade 12 Botany
Which characteristic is NOT found in all groups of land plants?
  1. chlorophyll a
  2. starch as the storage of carbohydrates
  3. embryos developing under the protection of a parent plant
  4. accessory pigment called phycoerythrin
Grade 12 Nervous and Endocrine Systems
Which species is likely to be the best cognitive thinker?
  1. mouse
  2. elephant
  3. chimpanzee
  4. whale
Grade 12 Circulatory and Immune Systems
Which condition causes blood to be more acidic?
  1. protease deficiency
  2. lipase deficiency
  3. amylase deficiency
Grade 12 Nervous and Endocrine Systems
The EQ measures the ratio of brain size to body weight.
  1. True
  2. False
Grade 12 Circulatory and Immune Systems
T-cells typically attack a transplanted organ in its new organism.
  1. True
  2. False
Grade 12 Biochemistry
All known forms of life depend upon water.
  1. True
  2. False
Grade 12 Nervous and Endocrine Systems
Blockage of these modified apocrine sweat glands may result in the formation of a stye.
  1. ciliary glands
  2. sebaceous glands
  3. buccal glands
  4. parotid glands
Grade 12 Circulatory and Immune Systems
The time of day does not affect the blood pressure.
  1. True
  2. False
Grade 12 Anatomical Organization
This cavity contains the heart, trachea, and lungs.
  1. dorsal
  2. adominal
  3. thoracic
  4. pelvic
Grade 12 Nervous and Endocrine Systems
The temporal lobes are near the temple.
  1. True
  2. False
Grade 12 Respiration, Digestion, and Excretion
Which respiratory organ is most often found only in fully aquatic animals?
  1. tracheae
  2. lungs
  3. capillaries
  4. skin surface
  5. gills
Grade 12 Microbiology
Gonorrhea is caused by the bacteria                        .
  1. Treponema pallidum
  2. Trachomatis gonorrhosis
  3. Neisseria gonorrhoeae
  4. Gonorrheae pavlidis
Grade 12 Skin, Skeleton, and Muscles
The sutures between the bones of the cranium are
  1. synarthrotic.
  2. synovial.
  3. diarthrotic.
  4. amphiarthrotic.
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