MCQ
In Urochordata notochord is found in
- AHead of adult
- BTail of adult
- ✓Tail of larva
- DTest of adult
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| Description | Structures |
| $(a)$ Tibia and fibula | Both form parts of knee joint |
| $(b)$ Cartilage and cornea | No blood supply but do require oxygen for respiratory need |
| $(c)$ Shoulder joint and elbow joint | Ball and socket type of joint |
| $(d)$ Premolars and molars | $ 20$ in all and $3$ rooted |
Assertion $A$: A flower is defined as modified shoot wherein the shoot apical meristem changes to floral meristem.
Reason $R$: Internode of the shoot gets condensed to produce different floral appendages laterally at successive node instead of leaves.
In the light of the above statements, choose the correct answer from the options given below :
| Column $-I$ | Column $-II$ |
| $(A)$ Family | $(i)$ Diptera |
| $(B)$ Order | $(ii)$ Arthopoda |
| $(C)$ Class | $(iii)$ Muscidae |
| $(D)$ Phylum | $(iv)$ Insecta |