Nutrition

Question 1

What is hermaphrodite?

Answer 1

Something that contains both male and female organs within the same section.

Question 2

What is an obligate parasite?

Answer 2

Organisms that can only exist as a parasite.

Question 3

What is mutualism?

Answer 3

A close association of organisms from more than one species, providing benefit to both.

Question 4

What is a parasite?

Answer 4

An organism that obtains its nutrition from living in or on a host, which is harmed.

Question 5

What are facultative parasites?

Answer 5

Organisms which can obtain nutrients as parasites or saprotrophs.

Question 6

What is a rumen?

Answer 6

A chamber in the gut of ruminant herbivores, in which mutualistic microbes digest complex polysaccharides.

Question 7

Where are Villi present?

Answer 7

In the duodenum and ileum.

Question 8

What are the sites of mechanical breakdown of food?

Answer 8

Mouth and stomach

Question 9

What connects to the bile duct?

Answer 9

The duodenum

Question 10

Where do microorganisms secrete vitamins?

Answer 10

Large intestine

Question 11

Where does carbohydrate digestion take place?

Answer 11

Mouth, duodenum and ileum

Question 12

Where is the pH 2-3?

Answer 12

In the stomach

Question 13

Where are the brunners glands?

Answer 13

In the duodenum

Question 14

What do the brunners glands do?

Answer 14

Secrete alkaline fluid

Question 15

Where is the main region of water absorption?

Answer 15

Large intestine

Question 16

Where does protein digestion begin?

Answer 16

In the stomach

Question 17

What is autotrophic nutrition?

Answer 17

Where green plants make their own complex organic material by photosynthesis.

Question 18

What heterotrophic nutrition?

Answer 18

When organisms consume ready-made food.

Question 19

What are holozoic feeders?

Answer 19

Organisms that take food into their bodies and break it down by process of digestion.

Question 20

What are saprophytes?

Answer 20

Organisms that feed on decaying matter.

Question 21

What is ingestion?

Answer 21

The intake of food into the mouth.

Question 22

What is peristalsis?

Answer 22

Alternating contraction and relaxation of gut muscles.

Question 23

What is digestion?

Answer 23

The breakdown of large molecules into small soluble molecules by enzymes.

Question 24

What is absorption?

Answer 24

The passage of digested food through the gut wall into the blood.

Question 25

What is assimilation?

Answer 25

Digested material becomes part of an organism’s cells and tissues.

Question 26

What is egestion?

Answer 26

The elimination of indigestible food.

Question 27

What is dentition?

Answer 27

Different types of teeth.

Question 28

What is a ruminant?

Answer 28

A herbivore possessing a stomach or rumen divided into four chambers.

Question 29

What is a herbivore?

Answer 29

An animal that feeds only on plant material.

Question 30

What is a carnivore?

Answer 30

An animal that feeds on other animals.

Question 31

What is mutualism?

Answer 31

The relationship between 2 different species of organisms where both gain a nutritional advantage.

Question 32

What is a host (in terms of nutrition)?

Answer 32

The organism in which a parasite lives in.