STD 11 - 15. Body fluids and criculations — NEET STD 11 Science — Question

$(A)$ Wings of butterfly and birds look alike andare the results of ___$(i)$___ evolution.

$(B)$ Miller showed that $CH_4 , H_2 , NH_3$ and ___$(i)$___ when exposed to electric discharge in a flaskresulted in formation of ___$(ii)$___ .

$(C)$ Vermiform appendix is a ___$(i)$___ organ and an ___$(ii)$___ evidence of evolution.

$(D)$ According to Darwin evolution took placedue to ___$(i)$___ and ___$(ii)$___ of the fittest.

$(i)$ They are named because of their special function of linking and supporting other tissues/organs of the body.

$(ii)$ They include cartilage, bone, adipose and blood.

$(iii)$ They provide strength, elasticity and flexibility to the tissue.

$(iv)$ They also secrete modified polysaccharides, which accumulate between cells and fibres and act as matrix.

$I.$ Hands of man and wings of bat

$II.$ Wings of bat and wings of cockroach

$III.$ Wings of bird and wings of butterfly

$IV.$ Fins of fish and forelimbs of horse

$V.$ Forearm of human and forelimbs of horse

The correct combination is visible in option