Download App

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

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 4. Animal kingdom1 Mark
MCQ
Sharks and dogfishes differ from skates and rays because
  • A
    gill slits are ventrally placed
  • B
    head and trunk are widened considerably
  • C
    distinct demarcation between body and tail
  • ✓
    their pectoral fins distinctly marked off from cylindrical bodies.
✓

Answer

Correct option: D.
their pectoral fins distinctly marked off from cylindrical bodies.
d
(d) : Sharks and dogfishes have cylindrical body while skates and rays have both of their pectoral fins fused. It gives a wing­like appearance and are not distinct from body.

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→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Melatonin is secreted by:
→
Heart in amphibians is
→
Which of the following is absent in most of the monocotyledons?
→
The non-nucleated, unicellular organisms of Whittaker’s $(1969)$ classification are included in the kingdom
→
Respiratory quotient $\text{(RQ)}$ for fatty acid is:
→
Similarity between calyx and corolla.
→
Which is not a feature of Annelid
→
The major function of contractile vacuole is
→
Which one of the following is not a living fossil?
→
The ciliated epithelium in our body may be found in
→