Crash Course On NEET By - Tuhi S. Mishra
Course Is Beneficial For All Biology Aspirants *Pre mecal& Other Competitive Exam
Juhi S. Mishra eaalis 8 yis. Of Biology Teaching experience upto Degree Lerel
NEET Score Card Iotal 90 questions -1 for Iucarrect& Ofor natten bte
Select the incorrect matching from the following A Sycon _ Scypha B Euspongia_ Bath sponge C Spongilla - Freshwater sponge D Chalina -Boring sponge
CORRECT ANSWER D Chalina is Finger sponge and Cliona celata is Boring sponge.
Which of the following is not concerned with the canal system of porifera: A Respiration B Nutrition C Excretion DLocomotion
CORRECT ANSWER: D The canal system of porifera helps in respiration, nutrition and excretion. It is not concerned with locomotion
If Carmine particle are put above osculum of a sponge, it would be A Tnrown aWay B Left there C thrown away by ostia D Digested
CORRECT ANSWER:A Water is expelled through a aperture in sponge known as osculum. If carmine particle are put above osculum of a sponge, it would be thrown away.
CORRECT ANSWER: B The life History of Obelia includes both sexual and asexual generations which alternate with eaclh other. The asexual polypoid generation appears to alternate regularly with the sexual medusoid generation but both forms are diploid. This is called Metagenesis.
CORRECT ANSWER : A Ascon type of canal system is the simplest one in the porifera phylum. The body is thin-walled, radially symmetrical and hollow due to the spongocoel or paragastric cavity. This type of canal system is found in Clalhrina, Leucosolenia etc.
Biology Revision Part 2 Dy - Tuhi S. Mishra.
Which of the following is not a characteristic feature of phylum Echinodermata? A Excretory system is absent Presence of water vascular system which helps in respiration c Dioecious animals Fertilisation is always internal
CORRECT ANSWER D Fertilization in echinoderms are usually external.
Which of the following set of animals belong to phylum hemichordata? A Balanoglossus, Saccoglossus B Sepia, Pila C Apis, Myxine D Locusta, Chaetopleura
CORRECT ANSWER: A Larval stage of asterias, from echhinodermata phylum, is called bipinnaria
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