Home
Class 11
BIOLOGY
Setae help in locomotion in earthworm bu...

Setae help in locomotion in earthworm but are not uniformly present in all the segments. They are present in
(A) `1^(st)` segment
(B) Last segment
(C) Clitellar segment
(D) `20^(th) - 22^(nd)` segment

A

`1^(st)` segment

B

Last segment

C

Clitellar segment

D

`20^(th) - 22^(nd)` segment

Text Solution

Verified by Experts

The correct Answer is:
D

Setae are located in earthworm except first, last and clitellum segm ents. They are m icro structures made up of chitin.
Promotional Banner

Topper's Solved these Questions

  • STRUCTURAL ORGANISATION IN ANIMALS

    KUMAR PRAKASHAN|Exercise SECTION-E (SOLUTION OF NCERT EXEMPLAR) (VERY SHORT ANSWER TYPE QUESTIONS)|13 Videos
  • STRUCTURAL ORGANISATION IN ANIMALS

    KUMAR PRAKASHAN|Exercise SECTION-E (SOLUTION OF NCERT EXEMPLAR) (SHORT ANSWER TYPE QUESTIONS)|20 Videos
  • STRUCTURAL ORGANISATION IN ANIMALS

    KUMAR PRAKASHAN|Exercise SECTION-D(TEXTUAL EXERCISE)|32 Videos
  • SAMPLE QUESTION PAPER FOR SECOND EXAM

    KUMAR PRAKASHAN|Exercise SECTION - D|1 Videos
  • THE LIVING WORLD

    KUMAR PRAKASHAN|Exercise OBJECTIVE SECTION (FILL IN BLANKS)|9 Videos

Similar Questions

Explore conceptually related problems

In pheretima accessory glands are present in which segments-

How many segments are present in the abdomen of cockroach ?

In pheretima posthuma female genital pore is present in which segment-

Structures present only in 7^(th) and 9^(th) segments of pheretima posthuma are

In some animal groups, the body is found divided into compartments with at least some organs. This characteristic feature is named (A) Segmentation (B) Metamerism (C) Metagenesis (D) Metamorphosis

The clitellum is a distinct part in the body of earthworm, it is found in (A) Segment 13 - 14 - 15 (B) Segment 14 - 15 - 16 (C) Segment 12 - 13 - 14 (D) Segment 15 - 16 - 17

Find the coordinate of the points which trisect the line segment joining the points A(2, 1, -3) and B(5, -8, 3).

Answer in one word or one line. (i) Give the common name of Periplaneta americana. (ii) How many spermathecae are found in earthworm? (iii) What is the position of ovaries in the cockroach? (iv) How many segments are present in the abdomen of cockroach? (v) Where do you find malphigian tubules?

Correct the wrong statements among the following : (a) In earthworm, a single male genital pore is present. (b) Setae help in locomotion of earthworm. (c) Muscular layer in the body wall of earthworm is made up of only circular muscles. (d) Typhlosole is the part of intestine of earthworm.

A chord of a circle of radius 20 cm subtends an angle of 90^(@) at the centre. Find the area of th corresponding major segment of the circle. (Use pi = 3.14 )