Transport Systems And Blood
58 Questions
These questions are from pages 51 to 91.
Questions and Answers
- 1.
Are transport system present in the bodies of all organisms essential to keep the cells healthy and alive?
- A.
Yes
- B.
No
Correct Answer
A. YesExplanation
Transport systems are esesential for life. See page 51 of textbook.Rate this question:
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- 2.
All the food, substances, and water that we take in are directly reached individually by every cell in the body.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The food and water we take in must be transported to all the parts of the body. See page 51.Rate this question:
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- 3.
How do oxygen, carbon dioxide, and waste materials get moved to different areas where they are needed or excreted?
- A.
They go by themselves
- B.
They are transported there by the transport system
Correct Answer
B. They are transported there by the transport systemExplanation
Substances like oxygen, carbon dioxide, and waste materials are to be transported within the body. See page 51.Rate this question:
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- 4.
What are hormones?
- A.
Chemicals present in the body
- B.
Chemicals produced by chemical reactions that happen in the body
- C.
Chemicals which control and co-ordinate the functions in the body
Correct Answer
C. Chemicals which control and co-ordinate the functions in the bodyExplanation
Definition of hormones. See page 51.Rate this question:
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- 5.
Hormones are produced by _________________ (endocrine glands or exocrine glands) and work at _____________ (the same or different) places from where they are produced. Separate your answers with a slash (/).
Correct Answer
endocrine glands/differentExplanation
This is how hormones act. They act at places different from where they are produced, the endocrine glands. See page 51.Rate this question:
- 6.
How do unicellular organisms like protozoa transport substances? (Note check all that apply)
- A.
Diffusion
- B.
Active transport
- C.
Transporters
- D.
Movements of cytoplasm
Correct Answer(s)
A. Diffusion
D. Movements of cytoplasmExplanation
The single cell in unicellular organisms will do all the functions, including transport. The cell transports substances by diffusion or movements of the cytoplasm (fluid in the cell surrounding the organelles). See page 51.Rate this question:
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- 7.
How has transport of substances in multicellular organisms evolved?
- A.
By dissolving the substances in water and tranporting or pumping them to various body parts to use of special fluids like blood and lymph
- B.
By using special fluids like blood and lymph to dissolving the substances in water and then trasporting or pumping it to various body parts
- C.
The same mechanism for transport of substances has always existed (there was no evolution)
Correct Answer
A. By dissolving the substances in water and tranporting or pumping them to various body parts to use of special fluids like blood and lymphExplanation
There was an evolution in the mechanism by which substances are transported in the body. Early in evolution, all the required substances were dissolved in water and then transported or pumped to vairous body parts. Special fluids like blood and lymph later evolved. See page 52.Rate this question:
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- 8.
The heart existed in primitive animals.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
In primitive animals, contraction and relaxation of the body muscles gave the necessary force for the circulation of the fluids. As they became much alrger and complicated in structure, animals evolved the heart, a special pumping device. See page 52.Rate this question:
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- 9.
Blood vessels did not exist in primitive animals.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
In primitive animals, fluids were secreted within the body cavity using no special pipe lines. Blood vessels (like arteries and veins) later evolved as special channels for the circulation of the fluids in the body cavity. See page 52.Rate this question:
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- 10.
____________ carry substances to the cells and _________________ carry substances from the cells. Possible blank choices for both: arteries, veins, capillaries Separate substances with a slash (/).
Correct Answer
arteries/veinsExplanation
Arteries and veins are both blood vessels that help with transport. See page 52.Rate this question:
- 11.
What is the name of the system that consists of the heart, blood vessels, and blood?
- A.
Transport system
- B.
Respiratory system
- C.
Circulatory system
- D.
Excretory system
Correct Answer
C. Circulatory systemExplanation
The circulatory system is made up of the heart, blood, and blood vessels. See page 52.Rate this question:
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- 12.
The colour of blood in all organisms is the same.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Animals like cockroach and grasshopper have colourless blood. In animals like carbs, snails, etc. blood is blue in colour. Blood is blue in animals like earthworms, frogs, reptiles, birds, and mammals. See page 52.Rate this question:
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- 13.
An open type circulatory system has blood vessels.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
An open type circulatory system does not have blood vessels. See page 52.Rate this question:
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- 14.
In an open type circulatory system animals, blood is pumped by the heart into spaces in the body cavity called ________________.
Correct Answer
sinusesExplanation
Sinuses are the space in the body cavity blood where blood is pumped into from the heart. See page 52.Rate this question:
- 15.
Blood vessels are present and the heart pumps blood into the blood vessels in what type of circulatory system?
- A.
Open
- B.
Closed
Correct Answer
B. ClosedExplanation
This is what a closed circulatory system is characterized by. See page 52.Rate this question:
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- 16.
All organisms have the same number of chambers in their heart.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
A cockroach has 13 chambers in its heart whereas a human has only 4 chambers. See page 52.Rate this question:
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- 17.
How many pairs of hearts are in the earthwomr?
- A.
2
- B.
6
- C.
8
- D.
10
Correct Answer
C. 8Explanation
There are 8 pairs of hearts in the earthworm which are placed laterally isnide the body. See page 52.Rate this question:
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- 18.
What are the two major blood vessels in the earthworm that are connected by the hearts?
- A.
Lateral blood vessel and dorsal blood vessel
- B.
Lateral blood vessel and ventral blood vessel
- C.
Dorsal blood vessel and ventral blood vessel
Correct Answer
C. Dorsal blood vessel and ventral blood vesselExplanation
The hearts connect the dorsal blood vessel and ventral blood vessel, two major blood vessels that are above and below the alimentary canal. See page 52.Rate this question:
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- 19.
What does the dorsal blood vessel do?
- A.
It receives blood from various organs present in each segment of the body
- B.
Supplies blood to various organs present in each body segment of the body
Correct Answer
A. It receives blood from various organs present in each segment of the bodyExplanation
This is the correct role of the dorsal blood vessel. See page 52.Rate this question:
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- 20.
The dorsal blood vessel acts as the chief what in the body of an earthworm?
- A.
Vein
- B.
Artery
Correct Answer
A. VeinExplanation
The dorsal blood vessel receives blood from different organs of the body, just as a vein does. See page 52.Rate this question:
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- 21.
What does the ventral blood vessel do?
- A.
Receives blood from various organs present in each segment of the body
- B.
Supplies blood to various organs present in each body segment
Correct Answer
B. Supplies blood to various organs present in each body segmentExplanation
This is the correct role of the ventral blood vessel. See page 52.Rate this question:
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- 22.
The ventral blood vessel acts as the chief what in the body of an earthworm?
- A.
Vein
- B.
Artery
Correct Answer
B. ArteryExplanation
Arteries carry blood to organs, just the ventral blood vessel does. See page 52.Rate this question:
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- 23.
In what type of blood vessel, does blood flow from an anterior (= front) to posterior (= back) end?
- A.
Dorsal blood vessel
- B.
Ventral blood vessel
Correct Answer
B. Ventral blood vesselExplanation
In the dorsal blood vessel, blood flows in posterior to anterior direction (towards the head region) and in the ventral blood vessel it flows in anterior to posterior direction. See page 52.Rate this question:
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- 24.
What colour is earthworm blood?
- A.
Colourless
- B.
Blue
- C.
Red
Correct Answer
C. RedExplanation
Earthworm blood is red in colour because of the presence of an oxygen carrying protein called haemoglobin. See page 53.Rate this question:
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- 25.
What are cells in the earthworm's blood also called?
- A.
Cells of earthworm blood
- B.
Corpuscles
- C.
Tissues
Correct Answer
B. CorpusclesExplanation
Earthworm blood is consists of water, salts, and cells or corpuscles. See page 53.Rate this question:
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- 26.
Only red blood cells are present in the blood of earthworms but not white blood cells.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
It is actually only white blood cells that are present in the blood of earthworms and not red blood cells. See page 53.Rate this question:
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- 27.
Does the coelomic fluid between the body wall and alimentary canal play a major role in the transport of substances in the earthworm?
- A.
Yes
- B.
No
Correct Answer
A. YesExplanation
This is true. The coelomic fluid does play a major role in the transport of substances in the earthworm. See page 53.Rate this question:
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- 28.
What type of circulatory system do cockroaches have?
- A.
Open circulatory system
- B.
Closed circulatory system
Correct Answer
A. Open circulatory system -
- 29.
Where does blood flow in cockroaches?
- A.
Blood vessels
- B.
Spaces called sinuses
- C.
Only capillaries
Correct Answer
B. Spaces called sinusesExplanation
There are no blood vessels in cockroaches since it has an open circulatory system. It instead flows in spaces that are called sinuses. See page 53.Rate this question:
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- 30.
What is the name of the muscles present in the circulatory system of cockroaches?
- A.
Alary muscles
- B.
Smooth muscles
- C.
Cardiac muscles
- D.
Skeletal muscles
Correct Answer
A. Alary musclesExplanation
The circulatory system of a cockroach is made of a heart, sinuses, and alary muscles. See page 53.Rate this question:
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- 31.
How many total sinuses are present in a cockroach?
- A.
2
- B.
3
- C.
4
- D.
5
Correct Answer
C. 4Explanation
There are a total of 4 sinuses in a cockroach. 3 of them are in the body cavity and are called the dorsal (pericardial) sinus, perivisceral sinus, and ventral sinus (or perineural sinus). There is one sinus in the head. See page 53.Rate this question:
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- 32.
There are 13 chambers in the heart of a cockroach. Where does each chamber open into?
- A.
Into the preceding chamber (the chamber before)
- B.
Into the succeeding chamber (the chamber after)
Correct Answer
A. Into the preceding chamber (the chamber before)Explanation
Each chamber of the cockroach heart opens into the preceeding one (like chamber 13 into chamber 12, chamber 12 into chamber 11, etc.) See page 54.Rate this question:
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- 33.
What does the last chamber open into?
- A.
Nothing, it is closed posteriorly
- B.
Nothing, it is closed anteriorly
- C.
It opens into the succeeding chamber
Correct Answer
A. Nothing, it is closed posteriorlyExplanation
The last chamber is closed posteriorly. See page 54.Rate this question:
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- 34.
_________________ are pores that are present on the side walls of the chambers in the heart through which blood enters the chambers.
Correct Answer
OstiaExplanation
This is what ostia are. See page 54.Rate this question:
- 35.
What is the flow of the blood in the heart?
- A.
Posterior to anterior
- B.
Anterior to posterior
- C.
Ventral to dorsal
- D.
Dorsal to ventral
Correct Answer
A. Posterior to anteriorExplanation
Blood flows from posterior to anterior direction in the heart of the cockroach. See page 54.Rate this question:
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- 36.
The final chamber opens into the head sinus (the sinus that is located in the head) by a blood vessel called the ______________.
Correct Answer
aortaExplanation
The aorta connects the head sinus to the final chamber. See page 54.Rate this question:
- 37.
The contraction and relaxation of the alary muscles helps in what function?
- A.
Forcing blood out of the heart
- B.
Forcing blood into the heart
- C.
Forcing gas exchange in blood
Correct Answer
B. Forcing blood into the heartExplanation
The contraction and relaxation of alary muscles helps in forcing the blood into the heart. See page 54.Rate this question:
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- 38.
When the alary muscles contract, blood flows from the body cavity into _______________ sinus.
Correct Answer
pericardialExplanation
When the alary muscles contract, blood flows from the body cavity (perivisceral and ventral or perineural sinuses) into pericardial sinus. See page 54.Rate this question:
- 39.
When the alary muscles relax, blood flows from pericardial sinus into the _____________.
Correct Answer
heartExplanation
When the alary muscles relax, blood flows from the pericardial sinus into the heart. See page 54.Rate this question:
- 40.
Peristaltic contractions of heart moves blood from the ____________chamber to the _____________ chamber. (Answers to each blank are separated by a semicolon [;])
- A.
Posterior;anterior
- B.
Anterior;posterior
Correct Answer
A. Posterior;anteriorExplanation
Peristaltic contractions of heart moves blood from the posterior chamber to the anterior chamber. See page 54.Rate this question:
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- 41.
Blood moves from heart into the head sinus through the _____________.
Correct Answer
aortaExplanation
From the heart, blood moves through the aorta into the head sinus. See page 54.Rate this question:
- 42.
Blood moves from the head to where?
- A.
Heart
- B.
Body cavity
Correct Answer
B. Body cavityExplanation
From the head, the blood flows into the body cavity. See page 54.Rate this question:
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- 43.
Which of these are roles of blood in cockroaches? (Note check all that apply)
- A.
Transports oxygen
- B.
Helps distribute nutrients to various organs
- C.
Carry wastes to the excretory system using Malpighian tubules
Correct Answer(s)
B. Helps distribute nutrients to various organs
C. Carry wastes to the excretory system using Malpighian tubulesExplanation
All of the selected functions are correct roles of cockroach blood. Cockroaches have colourless blood and thus the blood does not help in transporting oxygen (does not have haemoglobin). See page 54.Rate this question:
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- 44.
In vertebrates (higher animals), what does the heart pump blood into?
- A.
Head
- B.
Blood vessels
- C.
Lungs
Correct Answer
B. Blood vesselsExplanation
One of the changes during evolution was that vertebrate hearts pump blood into well defined blood vessels. See page 55.Rate this question:
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- 45.
How many chambers does a fish heart have?
- A.
2
- B.
3
- C.
4
- D.
5
Correct Answer
A. 2Explanation
A fish heart has 2 chambers. See page 55.Rate this question:
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- 46.
How many chambers does an amphibian heart have?
- A.
2
- B.
3
- C.
4
- D.
5
Correct Answer
B. 3Explanation
An amphibian heart has 3 chambers. See page 55.Rate this question:
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- 47.
How many chambers does a bird heart have?
- A.
2
- B.
3
- C.
4
- D.
5
Correct Answer
C. 4Explanation
A bird heart have 4 chambers. See page 55.Rate this question:
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- 48.
How many chambers does a mammal's heart have?
- A.
2
- B.
3
- C.
4
- D.
5
Correct Answer
C. 4Explanation
A mammal's heart has 4 chambers. See page 55.Rate this question:
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- 49.
Deoxygenated blood is collected from the body parts and sent to the respiratory system for oxygenation. From here, blood is sent where in lower animals like fishes?
- A.
Body parts
- B.
Heart which sends the blood to body parts
Correct Answer
A. Body partsExplanation
Oxygenated blood is sent directly to the body parts from the respiratory system in lower animals like fishes. See page 55.Rate this question:
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- 50.
Deoxygenated blood is collected from the body parts and sent to the respiratory system for oxygenation. From here, blood is sent where in higher animals like amphibia and mammals?
- A.
Body parts
- B.
Heart which pumps blood to the body parts
Correct Answer
B. Heart which pumps blood to the body partsExplanation
In higher animals (from amphibia to mammals), oxygenated blood from the respiratory system is sent to the heart which pumps blood to the body parts. See page 55.Rate this question:
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