Which of the following are most suitable indicators of SO2 pollution in the environment?

1. Lichens

2. Conifers

3. Algae

4. Fungi

Subtopic:  Natural Selection |
 94%
From NCERT
NEET - 2015
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following had the smallest brain capacity?

1. Homo erectus

2. Homo sapiens

3. Homo neanderthalensis

4. Homo habilis

Subtopic:  Evolution Prior to Ape Man: 1 | Evolution Prior to Ape Man: 2 | Evolution Prior to Ape Man |
 81%
From NCERT
NEET - 2015
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

A population will not exist in Hardy-Weinberg equilibrium if

1. individuals mate selectively

2. there are no mutations

3. there is no migration

4. the population is large

Subtopic:  Hardy Weinberg Law: 1 | Hardy Weinberg Law: 2 | Hardy Weinberg Law |
 63%
NEET - 2015
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

A location with luxuriant growth of lichens on the trees indicates that the:-

1. trees are very healthy

2. trees are heavily infested

3. location is highly polluted

4. location is not polluted

Subtopic:  Natural Selection |
 82%
From NCERT
NEET - 2014
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

In a population of 1000 individuals 360 belongs to genotype AA, 480 to Aa and the

remaining 160 to aa. Based on this data, the frequency of allele A in the population is

1. 0.4

2. 0.5

3. 0.6

4. 0.7

Subtopic:  Hardy Weinberg Law: 1 | Hardy Weinberg Law |
 70%
NEET - 2014
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Forelimbs of cat, lizard used in walking; forelimbs of whale used in swimming and

forelimbs of bats used in flying are an example of

1. analogous organs

2. adaptive radiation 

3. homologous organs

4. convergent evolution

Subtopic:  Concept of Organic Evolution: Evidence: 1 | Concept of Organic Evolution: Evidence |
 80%
From NCERT
NEET - 2014
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which one of the following are analogous structures?

1. Wings of bat and wings of pigeon

2. Gills of prawn and lungs of man

3. Thorns of Bougainvillea and tendrils of Cucurbita

4. Flippers of dolphin and legs of horse

Subtopic:  Concept of Organic Evolution: Evidence: 2 | Concept of Organic Evolution: Evidence |
 53%
NEET - 2014
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

The process by which organisms with different evolutionary history evolve similar

phenotypic adaptations in response to a common enviroment challenge, is called 

1. natural selection 

2. convergent evolution 

3. non-random evolution 

4. adaptive radiation 

Subtopic:  Concept of Organic Evolution: Evidence: 2 | Concept of Organic Evolution: Evidence |
 64%
From NCERT
NEET - 2013
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The tendency of population to remain in genetic equilibrium may be disturbed by 

1. random mating

2. lack of migration 

3. lack of mutations

4. lack of random mating

Subtopic:  Hardy Weinberg Law: 1 | Hardy Weinberg Law: 2 | Hardy Weinberg Law |
 57%
NEET - 2013
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

The eyes of Octopus and eyes of cat show different patterns of structure, yet they

perform similar function. This is an example of

1. homologous organs that have evolved due to convergent evolution

2. homologous organs that have evolved due to divergent evolution

3. analogous organs that have evolved due to convergent evolution

4. analogous organs that have evolved due to divergent evolution

Subtopic:  Concept of Organic Evolution: Evidence: 1 | Concept of Organic Evolution: Evidence: 2 | Concept of Organic Evolution: Evidence |
 88%
From NCERT
NEET - 2013
Please attempt this question first.
Hints
Please attempt this question first.