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प्रश्न
Enlist any four sequential evolutionary names of human ancestors.
उत्तर
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संबंधित प्रश्न
Four students P, Q, R and S differently reported the following set of organs to be analogous :
P. Forelimb of a frog and forelimb of a lizard
Q. Forelimb of a bird and forelimb of a human
R. Wings of a parrot and wings of a butterfly
S. Wings of a bird and wings of a bat
The two students who have reported correctly are :
(A) P and Q
(B) Q and R
(C) R and S
(D) P and S
Can the wing of a butterfly and the wing of a bat be considered homologous organs? Why or why not?
Name two animals having homologous organs and two having analogous organs. Name these organs.
Vestigial organ ______ present in human body is proof of evolution.
_____________ is a vestigial organ in human beings.
Find an odd one out.
Give scientific reason.
Duck-billed platypus shows relationship with mammals.
Define the evidence of evolution shown in the figure.
Give a scientific reason.
Morphological evidences suggest that dog, sheep and wolf have a common origin.
Find the odd one out:
