Home
Class 11
BIOLOGY
Assertion:Claspers are a distinguishing ...

Assertion:Claspers are a distinguishing feature of males in Class Chondricthyes.
Reason: Claspers help in copulation.

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 both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
b
In Chondricthyes, male can be distinguished from the female, as the former has a pair of hard elongated claspers attached to the pelvic fins. The claspers help in the copulation.
Promotional Banner

Similar Questions

Explore conceptually related problems

Assertion:Air sacs are connected to lungs in Class Aves. Reason: Air sacs supplement respiration in birds.

Assertion : Setae are absent in clitellum Reason : Setae help in locomotion.

Assertion : Stomach and intestine of our body has columnar epithelium Reason : Columnar epithelium helps is secretion and absorption.

Assertion (A) : Microspores are the first cell of male gametophyte. Reason (R) : Microspores undergo development and forms pollen grains.

Assertion:Calotes, Crocodilus and Chelone are members of Class Reptilia. Reason: Heart is three chambered in Calotes, Crocodilus , and Chelone.

Assertion : The filiform apparatus of synergids guids the pollen tube into the egg. Reason : It helps in the absorption and conduction of nutrients.

Assertion : The organization of an ecosystem depends on richness of biodiversity. Reason: Biodiversity helps to maintain balance between biotic components.

Assertion: The gap between the canines and premolar is called diastema. Reason: It helps in mastication and chewing of food in herbivorous animals.