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Question
Find an odd one out.
Options
Leaf venation
Size of seeds
Leaf petiole
Leaf shape
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Solution
Size of seeds
APPEARS IN
RELATED QUESTIONS
Mammals : _________ : : Amphibia : Fishes
(a) Select the homologous structures from the combinations given below:
(i) Forelimbs of whales and bats
(ii) Tuber of potato and sweet potato
(iii) Eyes of octopus and mammals
(iv) Thorns of Bougainvillea and tendrils of Cucurbita
(b) State the kind of evolution they represent.
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
Explain with an example for the given, how the following provides evidence in favor of evolution in organisms :
Analogous organs
Explain with an example for the given, how the following provides evidence in favor of evolution in organisms :
Fossils
Name the scientists who Discovered the fossil of Australopithecus
Explain the evolution of giraffe's neck according to Lamarck's theory of evolution.
Write a short note based on the information known to you.
Connecting link
Give scientific reason.
Peripatus is said to be the connecting link between Annelida and Arthropoda.
Complete the flowchart.
Write the answers to the questions by observing the figure below.
 |
 |
 |
| (a) | (b) | (c) |
- Write the name of the animal ‘(a)’ in the figure.
- Write the name of the animal ‘(b)’ in the figure.
- Write the name of the animal ‘(c)’ in the figure.
- Which evolutionary evidence is illustrated by this figure?
- Write the definition of that evidence for evolution.
Homologous organs are:
Which of the following is used as an atmospheric pollution indicator?
Analogous organs arise due to ______.
How do we compute the age of a living tree?
As shown in figure below some organisms that share a common ancestor have features that have different functions, but similar structures.
These are known as ______. Give example.
Find the odd one out:
