Download App

STD 11 - 4. Animal kingdom — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 4. Animal kingdom1 Mark
MCQ
Platyhelminthes are called as
  • A
    Round worms
  • ✓
    Flat worms
  • C
    Blind worms
  • D
    Tubicolous worms
✓

Answer

Correct option: B.
Flat worms
b
(b)The name ‘platyhelminthes’ has been derived from two Greek words -platys meaning broad or flat; and helmins or helminthos means worms. The name ‘platyhelminthes' was first proposed by Gegenbauer in  $1859$.

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 STD 11 - 4. Animal kingdom→STD 11 - 4. Animal kingdom — all question types→BIOLOGY STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

Girth of a dicot stem is increased by
→
If liver from body is removed then which component of blood increases
→
The algae used in space research is
→
The fibrous tissue which connects the two bone is:
→
$CO_2$ is carried by haemoglobin as carbamino haemoglobin. This binding $CO_2$ with $Hb$ is related to the partial pressure of …....
→
Phytohormones control
→
In monocot leaf
→
A pair of external nostrils present in humans opens out
→
Which meristem helps in increasing girth
→
$A$ : Presence of myelin sheath increases the rate of conduction of nerve impulse.

$R$ : Ionic channels are absent in the area covered by myelin sheath therefore, depolarization occurs only at the nodes of Ranvier, resulting in saltatory or jumping conduction.

→