Download App

Structural Organisation in Animals — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYStructural Organisation in Animals1 Mark
MCQ
Earthworm has:
  • A
    Simple eyes
  • B
    Compound eyes
  • C
    Apposition eyes
  • D
    No eyes
✓

Answer

  1. No eyes

Explanation:

An earthworm is a burrowing animal, as it lives in underground burrows not exposed to light, it does not have eyes. 

They have touch-sensitive organs which are composed of photoreceptor cells. 

They have moist skin which helps in the exchange of gases. 

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from Structural Organisation in Animals→Structural Organisation in Animals — all question types→BIOLOGY STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

Middle ear contains three tiny bones

$I.$ Maxillae $II.$ Malleus

$III.$ Incus $IV.$ Stapes

$V.$ Vomer

→
Chemical name of T4 is:
→
Organic compounds having transient association with apoenzyme are called
→
In citric acid cycle first step is
→
Which type of white blood cells are concerned with the release of histamine and the natural anticoagulant heparin ?
→
Choose incorrect one.
→
Phototropic curvature is the result of uneven distribution of
→
A vascular bundle without pith is
→
$A$ : When a person starts doing exercise, rate and depth of breathing increase even before these are changes in $pO _{2}, pCO _{2}$ or $H ^{*}$ concentration.

$R$ : The main stimulus for these quick changes is due to input from the proprioreceptors, which monitor movements of joints and muscles.

→
The part of life cycle of malarial parasite Plasmodium vivax, that is passed in female Anopheles is:
→