Appendicular Skeleton

Q. Towards the centre of the inner $\underset{–}{X}$ surface of the kidney is notch called $\underset{–}{Y}$ through which ureter, blood vessels and nerves enter.
Choose the option that correctly identifies X and Y.
$\begin{array}{cccc}& \text{X}& & \text{Y}\\ \text{(1)}& \text{Concave}& \text{,}& \text{Calyx}\\ \text{(2)}& \text{Convex}& \text{,}& \text{Renal pelvis}\\ \text{(3)}& \text{Convex}& \text{,}& \text{Hilum}\\ \text{(4)}& \text{Concave}& \text{,}& \text{Hilum}\end{array}$

1. $\left(3\right)$
2. $\left(4\right)$
3. $\left(2\right)$
4. $\left(1\right)$

Q.

Which of the following is common to the kidneys and the skeleton in mammals?

1. Pelvis

2. Radius

3. Cortex

4. Medulla

Q. Eye, internal ear and neural tube develop from

1. Ectoderm
   
2. Ecto-endoderm
3. Endoderm
4. Mesoderm

Q. What is function of interclavicle bone in thoracic region

Q.

Consider the diagram given below. Parts labeled as (a), (b), (c), (d) and (e) respectively indicate

1. Ilium, femur, tibia, pubis and sacrum

2. Pubis, femur, tibia, ilium and sacrum

3. Pubis, tibia, femur, ilium and sacrum

4. Pubis, femur, ilium tibia, and sacrum