Biology test on the topic "flatworms". Three types of worms The main host of the bovine tapeworm is

FLAT WORMS The study of this type in a zoology course is, of course, very important, but educational process planarians, which easily live in a corner of wildlife, suffer without natural living material. Some types of planaria reproduce easily and quickly. In aquariums with large

Worms (Vermes) Worms (Vermes), a collective group of invertebrate animals, including about 46 thousand species. More or less general signs of all worms - an elongated body, the walls of which consist of skin and muscles (muscular sac); movement is carried out

2.8. Type Annelida, or Annelida. There are about 9,000 known species of Annelida, or Annelida. They live in sea and fresh waters, in the soil. Compared to flatworms and roundworms, annelids are at a higher level of organization. Main characteristics of the type: body

2.8.2. Class Oligochaetes (Oligochaeta) This class includes a group of earthworms and other soil and aquatic forms. They are characterized by the absence of paropodia and a small number of setae, which usually sit in tufts on the sides of the segments (except for the anterior and

Rendezvous No. 27 Acoelomorphic flatworms When we discussed protostomes, descendants of ancestor No. 26, I confidently included flatworms (Platyhelminthes) among them. Now we have a difficulty. Recent evidence indicates that the Platyhelminthes group is a fiction. I don't want to

A basic level of

For each task, choose one correct answer from the four proposed.

A1. The body of flatworms consists of

1. one cell
2. two layers
3. three layers
4. noncellular mycelium

A2. Nervous system of flatworms

1. absent
2. diffuse type
3. shaped like a neural tube
4. consists of nerve trunks and nodes

AZ. Flatworm planaria is able to restore lost body parts - this is the essence of the process

1. digestion
2. reproduction
3. discharge
4. regeneration

A4. Nutrients The bovine tapeworm enters the body through

1. tentacles
2. body surface
3. intestinal cavity

- - - Answers - - -

A1-3; A2-4; A3-4; A4-3.

Increased difficulty level

B1. Are the following statements true?

A. Flatworms have pronounced bilateral symmetry.
B. Flatworms, as hermaphrodites, produce male and female reproductive cells.

1. Only A is correct
2. Only B is correct
3. Both judgments are correct
4. Both judgments are wrong

B2. Choose three true statements. There are no planarians in the body

1. respiratory system
2. pharynx and intestines
3. ganglia
4. blood vessels
5. gonads
6. skeleton bones

BZ. Establish the sequence of stages in the life cycle of the liver fluke, starting with the egg.

- - - Answers - - -

B1-3; B2-146; B3-14253.

Option 1.

1) in the body of the main host; 2) in the body of an intermediate host; 3) in the ground-air environment; 4) soil and aquatic environment.

2. Radial symmetry of the body does not have:

1) jellyfish – corner mouth; 2) white planaria; 3) freshwater hydra; 4) red coral.

1) equipped with cilia; 2) covered with scales; 3) consist of chitin; 4) are not dissolved by the digestive juices of the host.

4. What type of animals are those that do not have a body cavity, and the spaces between the organs are filled with loose connective tissue:

1) roundworms; 2) annelids; 3) arthropods; 4) flatworms.

5. A free-living species is:

1) planaria; 2) wide tape; 3) echinococcus; 4) cat fluke.

6. Roundworms are not deleted from the intestines along with undigested food, because:

1) have great fertility; 2) can live in an oxygen-free environment; 3) capable

move in the direction opposite to the movement of food; 4) does not affect the integument of their body

digestive juice.

7. The digestive system of the human roundworm, in contrast to flatworms:

1) lacks intestines; 2) lacks an oral opening; 3) has an anus; 4) deprived

anus.

8. In the skin-muscle sac of the roundworm, the muscles are represented by:

1) only circular muscles; 2) only oblique muscles; 3) only longitudinal muscles;

4) all of the listed muscle types.

9. Digestion earthworms of plant residues contributes to:

1) mixing the soil; 2) penetration of air into the soil; 3) enrichment of soil with organic

substances; 4) penetration of moisture into the soil.

10. Which type of animals have the most high level organizations:

1) coelenterates; 2) flatworms; 3) annelids; 4) roundworms.

Part B

Establish a correspondence between groups of animals and their characteristic features:

A) Flatworms

B) Roundworms

1) there is a body cavity

2) no body cavity

3) the intestines end blindly

4) the intestine ends with the anus

5) characteristic life cycle with one owner

6) characterized by a life cycle with a change of hosts

Option 2.

Part A (choice one correct answer)

1. Which animal is the intermediate host of the liver fluke:

1) dog; 2) person; 3) cow; 4) small pond snail.

2. Human infection with bovine tapeworm can occur when:

3. The interaction between a person and a bull tapeworm is called:

4. The body wall of flatworms is represented by:

1) only by skin; 2) external chitinous skeleton; 3) sink; 4) skin-muscle bag.

5. The internal organs of the white planaria are placed:

1) in the primary body cavity; 2) in the secondary body cavity; 3) in loose connective tissue; 4) in the intestinal cavity.

6. Multicellular, bilaterally symmetrical animals of elongated shape, not divided into

segments with a body cavity are classified as:

1) flatworms; 2) roundworms; 3) coelenterates; 4) annelids.

7. Infection human roundworm occurs when:

1) eating raw meat; 2) eating raw fish; 3) failure to comply with personal hygiene standards;

4) infection of wounds and cuts.

8. During the transition from flatworms to roundworms, the following aromorphoses (complications) occurred:

1) a body cavity appeared; 2) a circulatory system appeared; 3) respiratory organs appeared;

4) specialized organs of movement appeared.

9. Unlike flat and roundworms annelids have:

1) nervous system; 2) circulatory system; 3) excretory system; 4) digestive system.

10. The excretory system of annelids is represented by:

1) excretory glands; 2) paired kidneys in each body segment; 3) paired

excretory funnels in each body segment; 4) in each segment of the body by skin glands.

Part B (with multiple choice)

Choose three correct statements out of six. Signs of annelids include:

1) peripharyngeal nerve ring and nerve trunks with branches extending from it

2) bristles on body segments

3) peripharyngeal nerve ring and ventral nerve cord

4) poor development or absence of sensory organs

5) the presence of a closed circulatory system

6) nutrition of tissues of human body organs

Test No. 4 Topic “Worms: Flat, Round, Ringed”

Option 3.

Part A (choice one correct answer)

1. Planarian respiration occurs:

1) diffusely through the integument of the body; 2) with the help of external outgrowths - gills; 3) using internal gills; 4) using pulmonary sacs.

2. The main host of the bovine tapeworm is:

1) bull; 2) person; 3) sheep; 4) horse.

3. The intermediate host of the liver fluke is:

1) bull; 2) person; 3) fish; 4) pond snail mollusk.

4. Who are classified as eyelash worms:

1) bovine tapeworm; 2) pork tapeworm; 3) echinococcus; 4) milky white planaria.

1) eyes appeared; 2) hermaphroditism arose; 3) the anal opening was reduced; 4) organs of attachment to the host body emerged.

6. In roundworms, unlike flatworms, the body cavity is filled with:

1) blood; 2) air; 3) liquid; 4) parenchyma (connective tissue).

1) stomach; 2) small intestine; 3) liver; 4) large intestine.

8. Which groups of animals do not use oxygen in the process of breathing:

1) earthworms and other soil inhabitants; 2) larvae of insects living under

sea ​​depths.

9. The nervous system of an earthworm is represented by:

1) scattered throughout the body nerve cells; 2) peripharyngeal nerve

ring and ventral nerve cord; 3) head ones nerve ganglia and outgoing

from them with trunks; 4) peripharyngeal nerve ring, dorsal and ventral

trunks.

10. Earthworms, making tunnels in the soil :

1) promote the formation in plants organic matter; 2) improve conditions

root breathing; 3) affect the speed of movement in mineral plants

substances; 4) affect the speed of movement of organic substances in plants.

Part B

Establish a correspondence between the characteristic and the type of living organisms:

A) Coelenterates

B) Annelids

1) two-layer animals

2) the presence of a body cavity filled with fluid

3) reticular nervous system (diffuse type)

4) the body is segmented

5) radial symmetry

6) presence of a circulatory system

Test No. 4 Topic “Worms: Flat, Round, Ringed”

Option 4.

Part A (choice one correct answer)

1. Nervous system of flatworms:

1) diffuse type; 2) ladder type; 3) tubular type; 4) absent.

2. Finna (larva) of the bovine tapeworm usually develops:

1) in external environment; 2) in the muscles and internal organs person; 3) in the muscles and internal organs of the cow; 4) in the muscles and internal organs of the dog.

3. Inhabits small intestine, does not have a developed digestive system:

1) white planaria; 2) bovine tapeworm; 3) liver fluke; 4) cat fluke.

4. In the development cycle of flatworms, a change of hosts is observed. Where does the developmental cycle of the liver fluke occur:

1) in the organisms of the small pond snail and the large cattle; 2) in the bodies of cattle and humans; 3) in the bodies of farm animals and dogs; 4) all answers are wrong.

5. Which of the following animals does not have an anus:

1) roundworm; 2) pinworm; 3) white planaria; 4) earthworm.

6. Roundworms lack:

1) body cavity; 2) excretory system; 3) nervous system; 4) circulatory system.

7. Body divided on the joints of:

1) coelenterates; 2) sponges; 3) roundworms; 4) annelids.

8. Which of the following animals has a round body:

1) human roundworm; 2) liver fluke; 3) bovine tapeworm; 4) Siberian fluke.

9. Annelids have muscles:

1) circular and longitudinal; 2) only circular; 3) only longitudinal; 4) transverse, longitudinal and

ring.

10. Annelids differ from round:

1) bilateral symmetry; 2) through intestine; 3) the presence of a body cavity; 4) availability

circulatory system.

Part B

A) roundworm

B) bovine tapeworm

1) do not eat raw, poorly cooked or fried meat

2) wash your hands before and after eating

3) do not eat unwashed raw fruits and vegetables

4) protect food from flies

Answers: Topic: “Worms: Flat, Round, Ringed”

Option 1

Option: 2

Option: 3

Option: 4

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