Organism and Population NEET PYQs

1. Natality refers to

a. Birth rate
b. Death rate
c. Number of individuals entering a habitat
d. Number of individuals leaving the habitat

2. Which of the following population interaction is widely used in medical science for the production of antibiotics?

a. Parasitism
b. Mutualism
c. Amensalism
d. Commensalism

3. In a growing population of a country,

a. pre-reproductive individuals are more than the reproductive individuals
b. reproductive and pre-reproductive individuals are equal in number
c. reproductive individuals are less than post-reproductive individuals
pre-reproductive individuals are less than reproductive individuals

4. Asymptote in a logical growth curve is obtained when

a. The value of 'r' approaches zero
b. K>N
c. K= N
d. k < N

5. The principle of competitive exclusion was stated by?

a. Darwin
b. Gause
c. Mac Arthue
d. Varhulst and Pearl

6. If + sign is assigned to beneficial interaction, - sign to detrimental and 0 sign to neutral interaction, then the population interaction represented by '+ -' refers to

a. Mutualism
b. Amensalism
c. Parasitism
d. Commensalism

7. Which of the following is correct for r-selected species?

a. Large number of progeny with large size.
b. Small number of progeny with large size
c. Small number of progeny with small size
d. Large number of progeny with small size.

8. When does the growth rate of a population following the logistic model equal zero? The logistic model is given by dN/dt = rN(1-N/K)

a. When N/K is exactly one
b. When N/K equal zero
c. when death rate is greater than birth rate
d. When N nears the carrying capacity of the habitat

9. Gause's principle of competitive exclusion states that

a. Competition for the same resources excludes species having different food preferences
b. Larger organisms exclude smaller ones through competition
c. No two species can occupy the same niche indefinitely for the same limiting resources
d. more abundant species will exclude the less abundant species through competition

10. An association of individuals of different species living in the same habitat and having functional interactions is

a. Ecological Niche
b. Ecosystem
c. Biotic community
d. Population

11. In which of the following interactions both partners are adversely affected?

a. Mutualism
b. Predation
c. Parasitism
d. Competition

12.

1. ALU
2. CU
3. CPU
4. RAM

2. What is the Brain of a Computer?

1. ALU
3. CPU
2. CU
4. RAM

2. What is the Brain of a Computer?

3. CPU
1. ALU
2. CU
4. RAM

2. What is the Brain of a Computer?

1. ALU
2. CU
3. CPU
4. RAM

2. What is the Brain of a Computer?

1. ALU
2. CU
3. CPU
4. RAM

2. What is the Brain of a Computer?

1. ALU
2. CU
4. RAM
3. CPU

2. What is the Brain of a Computer?

1. ALU
2. CU
3. CPU
4. RAM

2. What is the Brain of a Computer?

1. ALU
3. CPU
2. CU
4. RAM

2. What is the Brain of a Computer?

1. ALU
2. CU
3. CPU
4. RAM

2. What is the Brain of a Computer?

1. ALU
2. CU
3. CPU
4. RAM

2. What is the Brain of a Computer?

3. CPU
1. ALU
2. CU
4. RAM

2. What is the Brain of a Computer?

1. ALU
2. CU
3. CPU
4. RAM

2. What is the Brain of a Computer?

1. ALU
3. CPU
2. CU
4. RAM

2. What is the Brain of a Computer?

1. ALU
2. CU
4. RAM
3. CPU

2. What is the Brain of a Computer?

3. CPU
1. ALU
2. CU
4. RAM

2. What is the Brain of a Computer?

1. ALU
2. CU
3. CPU
4. RAM

2. What is the Brain of a Computer?

1. ALU
2. CU
3. CPU
4. RAM

2. What is the Brain of a Computer?

1. ALU
3. CPU
2. CU
4. RAM

2. What is the Brain of a Computer?

1. ALU
2. CU
4. RAM
3. CPU

2. What is the Brain of a Computer?

1. ALU
3. CPU
2. CU
4. RAM

2. What is the Brain of a Computer?

1. ALU
2. CU
3. CPU
4. RAM

2. What is the Brain of a Computer?

1. ALU
2. CU
3. CPU
4. RAM

2. What is the Brain of a Computer?

3. CPU
1. ALU
2. CU
4. RAM

2. What is the Brain of a Computer?

1. ALU
2. CU
4. RAM
3. CPU

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