The three basic life history traits do no not include:
1. Age-sex structure of the population
2. Age when reproduction begins
3. How often reproduction occurs
4. Number of offspring per reproductive episode

Subtopic:  Other Theories of Origin of Life |
Please attempt this question first.
Hints

Which of the following is correct sequence of events in the origin of life? 
I. formation of protobionts
II. synthesis of organic monomers
III. synthesis of organic polymers
IV. formation of DNA based genetic systems
1. I, III, II, IV
2. II, III, I, IV
3. II, III, IV, I
4. I, II, III, IV 

Subtopic:  Other Theories of Origin of Life |
 55%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

Following are the two statements regarding the origin of life 
a. The earliest organisms that appeared on the earth were non-green and presumably anaerobes.
b. The first autotrophic organisms were the chemoautotrophs that never released oxygen
On the above statements which one of the following options is correct?
1. (a) is correct but (b) is false
2. (b) is correct but (a) is false
3. Both (a) and (b) are correct
4. Both (a) and (b) are false 

Subtopic:  Other Theories of Origin of Life |
 75%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

advertisementadvertisement

Which of the following will not counter natural selection?
1. genetic drift
2. gene flow
3. mutation
4. Unlimited resources

Subtopic:  Other Theories of Origin of Life | Theory of Evolution & Lamarckism | Darwin's Theory | Additional Theories of Darwin |
 83%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Viviparity is considered to be more evolved because:

1. the young ones are left on their own

2. the young ones are protected by a thick shell

3. the young ones are protected inside the mother's body and are looked after they are born leading to more chances of survival

4. the embryo takes a long time to develop

Subtopic:  Other Theories of Origin of Life | Concept of Speciation | Genetic Basis of Adaptation |
 93%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints