Download App

Neural Control and Coordination — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYNeural Control and Coordination1 Mark
MCQ
Which structure of eye works like an aperture?
  • A
    Iris.
  • B
    Pupil.
  • C
    Cornea.
  • D
    Sclera.
✓

Answer

  1. Pupil.

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 Neural Control and Coordination→Neural Control and Coordination — all question types→BIOLOGY STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

Olecranon process is found in:
→
$I.$ Antagonist to $GA$

$II.$ Promoted bud dormancy

$III.$ Promoted stomatal closure

$IV.$ Promoted abscission layer

Identify the hormone/s which promote/s all these events in plants and choose the correct option

→
"Islets of Langerhans'' are found in
→
A student was given a sample of two tissues. He observes the tissues under the microscope and draws their figures ( $1\;and\;2$) as shown below.
→
Which one of the following represents pulmonary circulation?
→
The strength of ventricular contraction increases when $SAN$ is stimulated by
→
Which is not a stem modification
→
Secretory and membrane proteins are processed in
→
Phylloclade of Opuntia is stem because
→
Floral features are commonly used for identification of angiosperms because
→