All the following are examples of analogous organs except:

1. Thorn and tendrils of Bougainvillea and Cucurbita
2. Sweet potato and Potato
3. Flippers of Penguins and Dolphins
4. Eye of the Octopus and of Mammals

Subtopic:  Natural Selection |
 90%
From NCERT

To unlock all the explanations of this course, you need to be enrolled.

Hints

To unlock all the explanations of this course, you need to be enrolled.


Industrial melanism is an example of:

 
1. Natural selection 2. Mutation
3. Racial difference 4. Predation
Subtopic:  Natural Selection |
 95%
From NCERT
AIPMT - 1999

To unlock all the explanations of this course, you need to be enrolled.

Hints

To unlock all the explanations of this course, you need to be enrolled.


Stabilizing selection acts to _________ in a species' population.
1. elaborate new traits
2. alter traits
3. push for directional change
4. maintain a certain phenotype

Subtopic:  Modern Theory of Evolution | Natural Selection |
 79%
From NCERT

To unlock all the explanations of this course, you need to be enrolled.

Hints

To unlock all the explanations of this course, you need to be enrolled.


advertisementadvertisement

Match each item in Column I with one item in Column II and chose your answer from the codes given below.

Column I

Column II

I. Homologous organs 

II. Analogous organs

III. Vestigeal organs

1. Eye of an octopus and the eye of a mammal

2. Thorn of Bougainvillea and tendril of Cucurbita

3. Body hair and wisdom teeth in humans

 

Codes:

I II III
1. 1 2 3
2. 3 1 2
3. 2 1 3
4. 1 3 2

Subtopic:  Natural Selection |
 91%
From NCERT

To unlock all the explanations of this course, you need to be enrolled.

Hints

To unlock all the explanations of this course, you need to be enrolled.


For natural selection to bring about evolution, the trait selected by the nature must be:

1.  Dominant 2.  Recessive
3.  Mutant 4.  Inherited
Subtopic:  Natural Selection |
 59%
From NCERT

To unlock all the explanations of this course, you need to be enrolled.

Hints

To unlock all the explanations of this course, you need to be enrolled.