EASY
Earn 100
Origin of nephridia in earthworm is
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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
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
An important structure present is the 8th segment of Pheretima that helps in crushing food is:
EASY
The chloragogen cells of coelomic fluid in earthworm are analogous with ________ of vertebrates.
EASY
In the following diagram of earthworm, which sequence of labelling is correct?
EASY
The first segment of an earthworm is called:
MEDIUM
Clitellum of the earthworm is formed from the segments
EASY
Earthworms mainly found in
EASY
Which structure in an earthworm is responsible for absorption?
EASY
Clitellum of earthworm surrounds _____ segments of an earthworm.
MEDIUM
In the body of earthworm, you will find setae on
EASY
Earthworm and leech are:
MEDIUM
Where is the male genital aperture in the earthworm shown below?
