In which one of the following, the genus name, its two characters and its, class/phylum are correctly matched?
Genus name | Two characters | Class/phylum | ||
1. | Ascaris | (a) (b) |
Body segmented Males and females distinct |
Annelida |
2. | Salamandra | (a) (b) |
A tympanum represents ear Fertilization is external |
Amphibia |
3. | Pteropus | (a) (b) |
Skin possesses hair Oviparous |
Mammalia |
4. | Aurelia | (a) (b) |
Cnidoblasts Organ level of organization |
Coelenterata |
Given below are two statements:
I: | Amphibians and reptiles have a 3-chambered heart with two atria and a single ventricle, and are oviparous in nature |
II: | Crocodiles possess a 4 chambered heart with two ventricles and two atria and are viviparous in nature |
Select the most appropriate option:
1. I is correct but II is incorrect.
2. I is incorrect but II is correct.
3. Both I and II are correct.
4. Both I and II are incorrect.
Given below are two statements:
Statements I: | Amphibians and reptiles have a 3-chambered heart with two atria and a single ventricle, and are oviparous in nature |
Statements II: | Crocodiles possess a 4 chambered heart with two ventricles and two atria and are viviparous in nature |
In the light of the above statements, choose the most appropriate answer from the options given below:
1. | Statement I is correct but Statement II is incorrect |
2. | Statement I is incorrect but Statement II is correct |
3. | Both Statement I and Statement II are correct |
4. | Both Statement I and Statement II are incorrect |