Chapter Five Quiz: Obtaining Energy And Nutrients For Life

15 Questions | By Stucks10 | Updated: Mar 21, 2022 | Attempts: 75

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Chapter Five Quiz: Obtaining Energy And Nutrients For Life - Quiz

Questions and Answers

1.

All heterotrophic organisms contain chloroplasts and are capable of carrying out photosynthesis.
- A.
  
  True
- B.
  
  False
2.

The dentition of the skull below would indicate the animal is a ...
- A.
  
  Carnivore
- B.
  
  Herbivore
- C.
  
  Gnawing animal
- D.
  
  Omnivore
3.

Choose the best definition for digestion.
- A.
  
  The net movement of monomers across a plasma membrane
- B.
  
  Chemical breakdown of large organic molecules into smaller units that can pass across plasma membranes
- C.
  
  The release of enzymes to break down large organic molecules into their sub-units
- D.
  
  The absorption of nutrients
4.

Enzymes important in digestion include:
- A.
  
  Pepsin in the duodenum
- B.
  
  Bile in the small intestine
- C.
  
  Maltases in the large intestine
- D.
  
  Amylases in salvia
5.

Amino acids, glucose, fructose, galactose, glycerol and fatty acids are absorbed across villi in the large intestine.
- A.
  
  True
- B.
  
  False
6.

What conditions do pepsin need to work at its optimum?
- A.
  
  PH 7 and temperature of 37 degrees Celsius
- B.
  
  PH 6.5 and temperature of 25 degrees Celsius
- C.
  
  PH 14 and temperature of 37 degrees Celsius
- D.
  
  PH 2 and temperature of 37 degrees Celsius
7.

When there is no food in the small intestine, bile moves from the bile duct into the gall bladder where it is stored and concentrated.
- A.
  
  True
- B.
  
  False
8.

Where would the following structure be found and what is its role?
- A.
  
  Trachea and to trap dust particles
- B.
  
  The jejunum and to increase the surface area of nutrient absorption
- C.
  
  The stomach and the secretion of gastic juice
- D.
  
  Large intestine and to increase the surface area of water absorption
9.

Mammals that have a modified of the oesophagus and stomach are called:
- A.
  
  Hindgut
- B.
  
  Foregut
- C.
  
  Omnivore
- D.
  
  Herbivore
10.

The following digestive system would be classified as a hindgut fermenter:
- A.
  
  True
- B.
  
  False
11.

Carnivores have relatively short alimentary canals compared with those of herbivores.
- A.
  
  True
- B.
  
  False
12.

The pancreas releases digestive enzymes into the alimentary canal just above the cardiac sphincter.
- A.
  
  True
- B.
  
  False
13.

What enzyme does saliva contain and what macromolecule does it break down?
- A.
  
  Amylase and Protein
- B.
  
  Amylase and Starch
- C.
  
  Amylase and Fat
- D.
  
  Pepsin and Protein
14.

Most of the fats that are broken down into glycerol and fatty acids are absorbed into blind extensions of the lymphatic system called lacteals.
- A.
  
  True
- B.
  
  False
15.

What is structure 17 called?
- A.
  
  Liver
- B.
  
  Caecum
- C.
  
  Pancreas
- D.
  
  Stomach