BIOLOGICAL CLASSIFICATION( Animals II)

 

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BIOLOGICAL CLASSIFICATION( Animals II)

Question 1
Male Ascaris is differentiable from Ascaris in
A
Presence of post-anal papillae
B
Presence of pre-anal papillae
C
Presence of penial setae
D
All the above

Question 2
Which of the following groups of animals are bilaterally symmetrical and triploblastic:
A
Scypha, Meandrina, Physalia.
B
Taenia, Pennatula, Antedon
C
Ancylostoma, Locusta, Loligo.
D
Antedon, Adamsia, Ascaris.

Question 3
Which one the following characters are unique to Cnidaria?
A
Sexual reproduction.
B
Symbiotic association with other organisms.
C
Sedentary body forms.
D
Nematocysts.

Question 4
Which of the following is not correct regarding the matching of phylum and its examples?
A
Annelida-Aphrodite, Chaetopterus, Bonnelia.
B
Mollusca-Teredo, Aplysia, Chaetopleura.
C
Aschelminthes-Ancylostoma, Enterobius, Tubifex.
D
Arthropoda-Buthus, Leppesma, Leptocorisa.

Question 5
Most primitive animals are
A
Sponges
B
Coelenterates
C
Flat worms
D
Round worms

Question 6
Hydra does not feed on lower animals because
A
They are so small
B
They are distasteful
C
They lack glutathione
D
All of the above

Question 7
Which is free swimming stage in the life history of Fasciola?
A
Miracidium
B
Sporocyst
C
Redia
D
All of these

Question 8
The metallic ion contained in the blood of mollusca is
A
Iron
B
Copper
C
Magnesium
D
Zinc

Question 9
Number of tentacles in a polyp of Obelia is
A
5-10
B
10-15
C
10-20
D
20-30

Question 10
Why do mammals lack mucous glands in their skin?
A
The skin is not slippery.
B
Their skin is tough.
C
The epidermis has many layers of cells.
D
The skin is not respiratory.
There are 10 questions to complete.

 

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