helminths mahaba yahoo

Question 1

how many species of helminths are there!?

Answer 1

500,000 bro

Question 2

majority of helminths are?

Answer 2

Free-livng! XD

Question 3

nematodes can be divided into two classes based on the presence of chemoreceptors

Answer 3

Class plasmidia and class aphasmidia

Question 4

Possesses caudal chemoreceptors called phasmids

Answer 4

Class phasmidia

Question 5

lacks caudal chemoreceptors

Answer 5

Class aphasmidia

Question 6

Examples of aphasmidia

Answer 6

Trichinella, trichuris and capillaria

Question 7

Nematodes possess anterior or cephalic sensory organs called

Answer 7

amphids

Question 8

The appearance of the esophagus also confers terms for the

Answer 8

nematodes!

Question 9

If the esophagus is uniform throughout, the type is called

Answer 9

filariform

Question 10

If the esophagus expands posteriorly into a bulb with a valve mechanism, it is referred to as

Answer 10

rhabtidiform

Question 11

what type of muscles do nematodes have for locomotion

Answer 11

Nematodes

Question 12

3 types of muscular nematodes

Answer 12

polymyarian - more than 5 rows of cells
meromyarian - between 2-5 rows of cells
holomyarian - less than two rows

Question 13

nematodes have 2 cylindrical ovaries uteri, a vulva, and vagina.

man or woman

Answer 13

woman/female

Question 14

Males possess what and what

Answer 14

a pair of copulatory spicules and thin walled copulatory bursa supported by thickened rays

Question 15

Life cycle

Answer 15

Egg - larva - adult

Question 16

the stage that hatches from the egg

Answer 16

Rhabiditiform

Question 17

undergo several molts until it reaches third stage larva which is the?

Answer 17

Filariform

Question 18

Characterizes the infective forms of the parasite

Answer 18

filariform larvae

Question 19

how many sexes do adult worms have

Answer 19

2 lang male and female! WALANG BAYOT DI KATULAD NG TAO YUCK