Easy
The spleen develops from which embryonic germ layer?
- AEctoderm
- BMesoderm
- CEndoderm
- DNone of the above
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Match the following:
Column-$I$ Column-$II$ $1$. Smooth muscles $p$. Hard and not pliable ground substance $2$. Skeletal muscles $q$. Blood vessel,stomach,intestine $3$. Bone $r$. Chondroblast $4$. Cartilage $s$. $A$-band
| Column-$I$ | Column-$II$ |
| $1$. Smooth muscles | $p$. Hard and not pliable ground substance |
| $2$. Skeletal muscles | $q$. Blood vessel,stomach,intestine |
| $3$. Bone | $r$. Chondroblast |
| $4$. Cartilage | $s$. $A$-band |
Medium
View SolutionThe hardest part in the animal body is
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View SolutionMatch Column $X$ with Column $Y$ and select the correct option:
Column $X$ Column $Y$ $(1)$ Pheretima posthuma $(P)$ Sunflower $(2)$ Helianthus annuus $(Q)$ Modern human $(3)$ Rana tigrina $(R)$ Earthworm $(4)$ Homo sapiens sapiens $(S)$ Frog
| Column $X$ | Column $Y$ |
| $(1)$ Pheretima posthuma | $(P)$ Sunflower |
| $(2)$ Helianthus annuus | $(Q)$ Modern human |
| $(3)$ Rana tigrina | $(R)$ Earthworm |
| $(4)$ Homo sapiens sapiens | $(S)$ Frog |
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View SolutionThe canals seen in the bones of mammals are:
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View SolutionWhich of the following is $NOT$ an ectodermal derivative?
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