MCQ
What is correct about human body
- AThere are $5 $ vertebra in the neck
- BBrain box is made up of $4$ bones
- CThere are $15$ pairs of ribs
- ✓There are $12$ thoracic vertebra
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$R$ : The ribosomes of the chloroplast are smaller than cytoplasmic ribosomes.
| 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 |