EASY
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Septal nephridia of earthworm pour excretory matter into
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Important Questions on Structural Organisation in Animals
MEDIUM
Following are the statements about prostomium of earthworm.
(a) It serves as a covering for the mouth.
(b) It helps to open cracks in the soil into which it can crawl.
(c) It is one of the sensory structures.
(d) It is the first body segment.
MEDIUM
In the given diagram of the digestive system of earthworm, identify parts labelled as and select the correct option ?
EASY
Match the following features to the animals. Which is the correct combination?
Open circulatory system
Closed circulatory system
Earthworm
Malpighian tubules
Nephridia
Cockroach
EASY
The following are the various parts of reproductive system of Pheretima.
A. Testes
B. Accessory glands
C. Spermathecae
D. Ovaries
Arrange them in a correct sequence from anterior end to posterior end.
MEDIUM
The spermatheca, which receive and store spermatozoa in pheretima are present in
EASY
In earthworm, setae are made up of
MEDIUM
Where is the male genital aperture in the earthworm shown below?
MEDIUM
Which of the following is an incorrect statement?
MEDIUM
If the dorsal pores of the earthworm are blocked, then which of the following functions are affected first?
EASY
The earthworm has a central nerve cord which is
MEDIUM
Earthworm shows its respiration by
MEDIUM
Identify the wrong statement w.r.t. earthworm.
EASY
________segments of Pheretima has clitellum.
MEDIUM
Clitellum of the earthworm is formed from the segments
MEDIUM
The largest organ in the body of an earthworm leads to the
MEDIUM
The number of segments in the body of earthworm (approx.) are
EASY
Which structure in an earthworm is responsible for absorption?
EASY
An important structure present is the 8th segment of Pheretima that helps in crushing food is:
