ORGANISM AND POPULATION CLASS 12 (NEET/CBSE) MCQ
1. A: Wheat has maximum genetic diversity in India
B: Wilson was a Sociobiologist
a. A and B are True b. A is true c. A is false d. A and B are False
2. Which type of pyramid is true for the population having more number of pre reproductive and post productive age
group?
a = post reproductive age group
b = reproductive age group
c = pre reproductive age group
3. What type of interaction does Penicillium (mould) and bacteria shows
a. Amensalism b. Predation c. Competition d. Commensalism
4. Choose the wrong statement
a. Verhulst-Pearl Logistic Growth graph is Sigmoid
b. Evolution of life history traits in different species is major concern for Ecologists
c. Populations evolve to minimise their reproductive fitness, also called Darwinian fitness
d. Pacific salmon fish breed only once in their lifetime
5. What parameters are used for tiger census in our country’s national parks and sanctuaries?
a. Pug marks only b. Pug marks and faecal pellets
c. Faecal pellets only d. Actual head counts
6. Which of the following would necessarily decrease the density of a population in a given habitat?
a. Natality > mortality b. Immigration > emigration
c. Mortality and emigration d. Natality and immigration
7. Which of the following is a partial root parasite?
a. Sandal wood b. Mistletoe c. Orobanche d. Ganoderma
8. Which association is depicted in the figure
a. Amensalism b. Predation c. Competition d. Commensalism
9. A trematode parasite
a. liver fluke b. Paramecium c. Flat worm d. All of these
10. What is the nearest value of ‘r’ for flour beetle
a. 0.10 b. 0.15 c. 0.88 d. 0.015
1. A: Wheat has maximum genetic diversity in India
B: Wilson was a Sociobiologist
a. A and B are True b. A is true c. A is false d. A and B are False
2. Which type of pyramid is true for the population having more number of pre reproductive and post productive age
group?
a = post reproductive age group
b = reproductive age group
c = pre reproductive age group
3. What type of interaction does Penicillium (mould) and bacteria shows
a. Amensalism b. Predation c. Competition d. Commensalism
4. Choose the wrong statement
a. Verhulst-Pearl Logistic Growth graph is Sigmoid
b. Evolution of life history traits in different species is major concern for Ecologists
c. Populations evolve to minimise their reproductive fitness, also called Darwinian fitness
d. Pacific salmon fish breed only once in their lifetime
5. What parameters are used for tiger census in our country’s national parks and sanctuaries?
a. Pug marks only b. Pug marks and faecal pellets
c. Faecal pellets only d. Actual head counts
6. Which of the following would necessarily decrease the density of a population in a given habitat?
a. Natality > mortality b. Immigration > emigration
c. Mortality and emigration d. Natality and immigration
7. Which of the following is a partial root parasite?
a. Sandal wood b. Mistletoe c. Orobanche d. Ganoderma
8. Which association is depicted in the figure
a. Amensalism b. Predation c. Competition d. Commensalism
9. A trematode parasite
a. liver fluke b. Paramecium c. Flat worm d. All of these
10. What is the nearest value of ‘r’ for flour beetle
a. 0.10 b. 0.15 c. 0.88 d. 0.015
