Which of the following is not an attribute of a population?

1.  Natality

2.  Mortality

3.  Species interaction

4.  Sex ratio

Subtopic:  Population Dynamic |
 83%
NEET - 2020
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

The process of growth is maximum during:

1. Lag phase

2. Senescence

3. Dormancy

4. Log phase

Subtopic:  Population: Exponential Growth Model |
 78%
NEET - 2020
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Match the items in Column-I with those in Column-II:

Column I Column II
a. Herbivores-Plants  (i) Commensalism
b. Mycorrhiza-Plants (ii) Mutualism
c. Sheep-Cattle  (iii) Predation
d. Orchid-Tree (iv) Competition


Select the correct option from the following:

Options: (a) (b) (c) (d)
1. (iv) (ii) (i) (iii)
2. (iii) (ii) (iv) (i)
3. (ii) (i) (iii) (iv)
4. (i) (iii) (iv) (ii)

Subtopic:  Population Interactions: Competition | Population Interactions: Predation | Population Interactions: Commensalism, Protocooperation & Mutualism |
 83%
From NCERT
NEET - 2020
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The impact of immigration on population density is:

1. Negative
2. Both positive and negative
3. Neutralized by natality
4. Positive

Subtopic:  Population Characters: Density | Population Characters: Natality & Mortality |
 83%
From NCERT
NEET - 2020
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Between which of the following, the relationship is not an example of commensalism?

1. Orchid and the tree on which it grows

2. Cattle Egret and grazing cattle

3. Sea Anemone and Clownfish

4. Female wasp and fig species

Subtopic:  Population Interactions: Commensalism, Protocooperation & Mutualism |
 81%
From NCERT
NEET - 2019
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Carnivorous animals - lions and leopards, occupy the same niche but lions predate mostly larger animals and leopards take smaller ones. This mechanism of competition is referred to as:

1. Character displacement

2. Altruism

3. Resource partitioning

4. Competitive exclusion

Subtopic:  Population Interactions: Competition |
 81%
From NCERT
NEET - 2019
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Inspite of interspecific competition in nature, which mechanism the competing species might have evolved for their survival?

1. Mutualism 2. Predation
3. Resource partitioning 4. Competitive release
Subtopic:  Population Interactions: Competition |
 74%
From NCERT
NEET - 2021
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

Amensalism can be represented as:

1. Species A (-) : Species B (-)

2. Species A (+) : Species B (0)

3. Species A (-) : Species B (0)

4. Species A (+) : Species B (+)

Subtopic:  Population Interactions: Amensalism |
 85%
From NCERT
NEET - 2021
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 the exponential growth equation Nt =N0ert, e represents :

1. The base of natural logarithms 

2. The base of geometric logarithms

3. The base of number logarithms

4. The base of exponential logarithms

Subtopic:  Population: Exponential Growth Model |
 64%
From NCERT
NEET - 2021
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 statements cannot be connected to Predation? 
 
1. It is necessitated by nature to maintain the ecological balance .
2. It helps in maintaining species diversity in a community. 
3. It might lead to the extinction of a species.
4. Both the interacting species are negatively impacted.
Subtopic:  Population Interactions: Predation |
 77%
From NCERT
NEET - 2022
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