CBSE
Multiple Choice QuestionsWhich of the following endoparasites of humans does show viviparity?
Ancylostoma duodenale
Enterobius vermicularis
Trichinella spiralis
Trichinella spiralis
Which one of the following groups of animals is correctly matched with its one characteristic feature without even a single exception?
Chordata - possess a mouth provided with an upper and a lower jaw
Chondrichthyes - possess cartilaginous endoskeleton
Mammalia - give birth to young ones
Mammalia - give birth to young ones
In which one of the following the genus name, its tow characters and its class/ phylum are correctly matched?
|
Genus
|
Two characters
|
Class/phylum
|
|
Salaman dra
|
i).A tympanum represents ear
|
Amphibia
|
|
Genus |
Two characters |
Class/phylum |
|
Pteropus |
i)Skin possesses hair ii)Oviparous |
Mammalia |
|
Genus |
Two characters |
Class/phylum |
|
Aurelia |
i)Cnidoblas ii)Organ level of organization |
Colenterata |
|
Genus |
Two characters |
Class/phylum |
|
Aurelia |
i)Cnidoblas ii)Organ level of organization |
Colenterata |
The pathogen Microsporum responsible for ringworm disease in humans belongs to the same kingdom of organisms as that of
Taenia, a tapewarm
Wuchereria, a filarial worm
Rhizopus, a mould
Rhizopus, a mould
Which one of the following statements is totally wrong about the occurrence of the notochord, while the other three are correct?
It is present only in larval tail in Ascidians
It is replaced by a vertebral coloumn in adult frog
It is absent throughout life in humans from the very beginning
It is absent throughout life in humans from the very beginning
One very special feature in the earthworm pheretima is that
the typhlosole greatly increases the effective absorption area of the digested food in the intestine
the S- shaped setae embedded in the integument are the defensive weapons used against the enemies
It has a long dorsal tubular heart
It has a long dorsal tubular heart
The figure shows four animals (A),(B) (C) and (D). Select the correct answer with respect to common characteristics of two animals.
(A) and (D) respire mainly through the body wall
(B) and (C) shows radial symmetry
(A) and (B) have cnidoblasts for self -defence
(A) and (B) have cnidoblasts for self -defence
One example of animals having a single opening to the outside that serves both as mouth as well as anus is
Octopus
Asterias
Ascidia
Ascidia
Uricotelic mode of passing out nitrogenous wastes is found in
birds and annelids
amphibians and reptiles
insects and amphibians
insects and amphibians
Which of the following animals is not viviparous?
Flying fox(bat)
Elephant
Platypus
Platypus
