SELECT * FROM question_mgmt as q WHERE id=255 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=2 AND subId=7 AND chapterId=10 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED)

Question: Distinguish between the following
(a) Prostomium and peristomium
(b) Septal nephridium and pharyngeal nephridium

Answer:

 (a)

Prostomium

Peristomium

Prostomium is a small fleshy lobe, which overhangs the mouth of an earthworm. It helps the organism push into the soil and is sensory in function.

The first body segment in the earthworm is called the peristomium. It surrounds the mouth opening.

(b)

Septal nephridium

Pharyngeal nephridium

They are present on both sides of inter-segmental septa behind the 15thsegment and they open into the intestine.

They are present as three paired tufts in the fourth, fifth, and sixth segments.

 


< Previous Question

Next Question >

SELECT ex_no,question,question_no,id,chapter FROM question_mgmt as q WHERE courseId='2' AND subId='7' AND ex_no!=0 AND status=1 and id!=255 ORDER BY views desc, last_viewed_on desc limit 0,10

  • Popular questions of class 11 Biology

SELECT ex_no,question,question_no,id,chapter FROM question_mgmt as q WHERE courseId='2' AND subId='7' AND ex_no!=0 AND status=1 and id!=255 ORDER BY last_viewed_on desc limit 0,10

  • Recently Viewed Questions of Class 11 Biology

Comments

  • Answered by Ekta Mehta
  • 4 months ago

Taking Screenshots on your Samsung Galaxy M31s is very easy and quick.

  • Answered by Ekta Mehta
  • 4 months ago

Taking Screenshots on your Samsung Galaxy M31s is very easy and quick.

  • Answered by Ekta Mehta
  • 4 months ago

Taking Screenshots on your Samsung Galaxy M31s is very easy and quick.

Comment(s) on this Question


Important links

Quick Links

Resources

Support