Structural Organisation in Animals
Trending Questions
Q. The structure in earthworm which serves as a wedge to force open cracks in the soil is the
- peristomium
- setae
- clitellum
- prostomium
Q. In which of the following organisms all the functions are performed by a single cell
Specification
Limitation
Minimalism
Attribution
Q.
The importance of structural organisation in animals is to facilitate _____.
Division of labour
Multicellularity
Body complexion
Simplification
Q. Assertion: Specialization of cells is advantageous for an organism.
Reason: It increases the operational efficiency of an organism.
Reason: It increases the operational efficiency of an organism.
- Assertion is true but reason is false
- Both the reason and assertion are true but the reason is not the correct explanation for the assertion
- Both the reason and assertion are false
- Both assertion and reason are true and the reason is the correct explanation for the assertion.
Q. In an earthworm, pharyngeal nephridia of 6th segment open into_______
- oesophagus
- Pharynx
- exterior
- buccal cavity
Q. The difference between male & female genital aperture of earthworm is_________
- Male genital aperture opens dossally & female genital pore opens ventrally
- Male genetal aperture is paired, female genital aperture is single
- both a & b
- Male genital aperture is paired, present in 14th segment & female genital aperture is single, present in 18th segment
Q.
Subneural blood vessel in an earthworm bifurcates and then continues as _________
supra oesophageal
dossal blood vessel
commissural blood vessel
lateral oesophageal
Q. Bidder's canal is present in_________
- testis of frog
- kidney of frog
- cloaca of frog
- None of these
Q. Multicellularity in organisms, brought about in the cells leading to increased efficiency.
- simplicity
- division of labour
- functionality
- structure
Q. Which of the following options doesn’t have a sensory organ with respect to Rana tigrina?
- Sensory papillae and taste buds
- Eyes and nasal epithelium
- Tympanum with internal ears
- Cloaca and external ear