MCQ
The unique mammalian characteristics are:
- Apinna, monocondylic skull and mammary glands
- Bhairs, tympanic membrane and mammary glands
- ✓hairs, pinna and mammary glands
- Dhairs, pinna and indirect development
Options (2), (3) and (4) are not correct because, monocondylic skull is present in reptiles and aves whereas mammals have dicondylic skull. Tympanic membrane is present in amphibians also, so it is not considered as unique feature.
Indirect development is not seen in mammals.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| List $I$ | List $II$ |
| $A$. Mast cells | $I$. Ciliated epithelium |
| $B$. Inner surface of bronchiole | $II$. Areolar connective tissue |
| $C$. Blood | $III$. Cuboidal epithelium |
| $D$. Tubular parts of nephron | $IV$. Specialised connective tissue |
Choose the correct answer from the options give below:
$(i)$ Fleming, Chain and Florey were awarded the Nobel prize in $1945$
$(ii)$ Antibiotics have greatly improved our capacity to treat deadly diseases
$(iii)$ Penicillin was used to treat American soldiers wounded in World War I