Home
Class 12
BIOLOGY
Given below are assertion and reason. A...

Given below are assertion and reason. Assertion. Ossicles around the mouth of Sea Urchin form Aristotle's Lantern. Reason. Teeth of Aristotle's Lantern are analogous to humen teeth as both are masticatory

A

If both Assertion and Reason are true and Reason is the correct explanation of Assertion

B

If both Assertion and Reason are true , but Reason is not the correct explanation of Assertion

C

If Assertion is true , but Reason is false

D

If Assertion is false , but Reason is true

Text Solution

Verified by Experts

The correct Answer is:
B
Aristotle's lantern is a group of ossicles around the mouth that has been highly modified for feeding mechanism in sea urchin . It is masticatory in function like human teeth .
Promotional Banner

Topper's Solved these Questions

  • ANIMALIA-II (HIGHER INVERTEBRATES)

    ARIHANT NEET|Exercise Chapter Exercises C) Medical entrances gallery (Collection of questions Asked in NEET & Various Medical Entrance Exams )|78 Videos

  • ANIMALIA-II (HIGHER INVERTEBRATES)

    ARIHANT NEET|Exercise Chapter Exercises C Medical entrances gallery (Collection of questions Asked in NEET & Various Medical Entrance Exams )|1 Videos

  • ANIMALIA-II (HIGHER INVERTEBRATES)

    ARIHANT NEET|Exercise Chapter Exercises Match the columns|8 Videos

  • ANIMALIA -I (LOWER INVERTEBRATES)

    ARIHANT NEET|Exercise CHAPTER EXERCISES (Taking it together) medical entrances gallery (Collection of Questions Asked in NEET & in various Entrance Exams))|68 Videos

  • ANIMALIA-III (CHORDATES)

    ARIHANT NEET|Exercise MEDICAL ENTRANCES GALLARY (COLLECTION OF QUESTIONS ASLED IN NEET & VARIOUS MEDICAL ENTREANCE EXAMS)|76 Videos

Similar Questions

Explore conceptually related problems

Given below are assertion and reason. Assertion: Neurospora is commonly called water mould . Reason : It belongs to basidiomycetes

Given below are assertion and reason .Assertion . Stomata ramain open during day time .Reason . Stomata help in exchange of gases

Given below are assertion and reason .Assertion . Water entering a plant cell makes it turgid Reason Entry of water into cell develop wall pressure inside the cell

Given below are assertion and reason. Assertion : Yeasts are unicellular fungi that are used in bakery and brewery industries Reason : Potato spindle tuber disease is caused by viroids.

Given below are Assertion and Reason Assertion (A) fishes respire through grills . Reason (R] counter current flow occurs in gills point out the correct option.

Given below are assertion and reason. Point out if Assertion : The nymph of Cockroach undergoes moulting several times Reason : There is gradual metamorphosis in Cockroach

Given below are assertion and reason. Assertion: In basidiomycetes, basidiopores are produced endogenously in the basidium Reason : In ascomycetes, ascospores are produced exogenously in ascus

Read the assertion and reason carefully to mark the correct option out of the options given below: (a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion (b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion (c) If the assertion is true but the reason is false (d) If both the assertion and reason are false (e) If the assertion is false but reason is true Assertion : Saline water in not given to patients of hypertension. Reason : Saline water can cause vomiting and may drop blood pressure suddenly causing cardiac arrest.

Read the assertion and reason carefully to mark the correct option out of the options given below: (a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion (b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion (c) If the assertion is true but the reason is false (d) If both the assertion and reason are false (e) If the assertion is false but reason is true Assertion : WBCs accumulate at the site of wounds by diapedesis. Reason : It is squeezing of leucocytes from the endothelium.