Exam (elaborations)
Test (elaborations) Biology exam test with solutions
- Course
- Biology
- Institution
- 10th Grade
Biology study resources test with verified solutions
[Show more]
Seller
Follow
Content preview
Biology exam questions & answers1: Which of the following statements concerning platelets is
INCORRECT. Platelets:
a) contain DNA
b) are roughly disk-shaped
c) have little ability to synthesize proteins
d) are between 1/2 and 1/3 the diameter of the red cell
ANSWER: A -- contain DNA
2: What is the primary function of the platelets in huma blood?
ANSWER: clotting or blocking leaks from blood vessels
3: When a wound occurs in humans, the platelets in th blood activate a
substance which starts the clotting process. The substance which starts the clotting is:
a) adenosine (pron: ah-den-ah-seen)
b) histamine
c) lecithin (pron: less-ah-thin)
d) thrombin
ANSWER: D -- Thrombin
4: When looking at the cross section of the human tibia, one finds the
RED marrow in the:
a) medullary cavity
b) cancellous bone
c) periosteum
d) epiphysis
ANSWER: A -- medullary cavity
5: Lengthening of long bones in humans occurs in a particular area of
the bone. This area is called the:
a) medullary canal
b) cancellous bone
c) periosteum (pron: per-E-ahs-tee-em)
d) epiphysis (pron: eh-pif-eh-sis)
ANSWER: D -- Epiphysis
6: The part of the human brain which is an important relay station for
the sensory impulses and also is the origin of many of the involuntary acts of the eye such as
the
narrowing of the pupil in bright light is the:
a) hypothalamus
b) midbrain
c) corpus callosum
d) cerebellum
ANSWER: B -- Midbrain
7: In the human brain, body temperature, metabolism, heart rate, sexual
, development, sleep and the body's use of fat and water are influenced by this region of the
brain.
This region of the brain is the:
a) hypothalamus
b) midbrain
c) corpus callosum
d) cerebellum
ANSWER: A -- hypothalamus
8: In which cerebral lobes is the speech center located? Is it the:
a) frontal
b) parietal
c) temporal
d) occipital
ANSWER: A -- frontal
9: In most axons, the myelin sheath is interrupted at intervals of about 1
millimeter or more. These interruptions are called the:
a) glial
b) nodes of Ranvier (pron: ron-vee-ay)
c) collaterals
d) nodes of Babinet
ANSWER: B -- Nodes of Ranvier
10: The order of insects which includes beetles is known as:
a) Coleoptera (pron: kO-lee-op-teh-rah)
b) Orthoptera (pron: or-tho-op-teh-rah)
c) Hymenoptera (pron: high-meh-nop-teh-rah)
d) Diptera (pron: dip-teh-rah)
ANSWER: A -- Coleoptera
11: This major protein component of connective tissue in mammals
comprises most of the organic matter of skin, tendons, bones, and teeth, and occurs as fibrous
inclusions in most other body structures. Is this material:
a) elastin
b) collagen
c) fatty acids
d) keratin
ANSWER: B -- collagen
12: Sickle cell anemia and Huntington's chorea are both:
a) virus-related diseases
b) bacteria-related diseases
c) congenital disorders
d) none of the above
ANSWER: C -- Congenital Disorders
13: In most species of Paramecium there are how many contractile
vacuoles? Is it:
a) one
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Studycenter. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for CA$14.60. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
76449 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now
