Bihar Board - Class 12 Biology-Chapter 13. Organisms and Populations Multiple Choice Questions
The multiple choice questions for Chapter 13. Organisms and Populations of Class 12 Chemistry are provided here in English. These questions are based on the NCERT curriculum for Class 12. They are designed to help students assess their understanding of the key concepts covered in the chapter. These multiple choice questions will be useful not only for the Class 12 board exams but also for entrance exams like NEET. The questions for Bihar Board Class 12 Chemistry, Chapter 13. Organisms and Populations, have been prepared by expert teachers at Vidyakul.
Multiple Choice Question
1. Which of the following is the most ecologically relevant environmental factor?
(a) Water
(b) Light
(c) Temperature
(d)Soil
Answer:c
2 Which of the following might contribute to determining an organism's habitat?
(a) Amount of sunlight
(b) Temperature of soil
(c) Humidity and other organisms
(d)AII
Answer:d
3. Each of the following is an important factor in determining the productivity of freshwater
(a) Nutrients
(b) Depth
(c) Proximity to marine coast
(d) Temperature
Answer:c
(a) Tropical rainforest
(b) Deciduous forest
(c) Desert and sea coast
(d) Ail
Answer:d
5. Next to temperature, which is the most important factor influencing the life of organisms?
(a) Light
(b)Soil
(c) Water
(d) Wind velocity
Answer:c
6. Which of the following is not a part of an organism's physical environment?
(a) Temperature
(b) Water
(c) Shade
(d) Other organisms
Answer:d
7. Ecology is basically concerned with four levels of biology organizations. These levels are -
(a) Organisms, populations, communities and biomes
(b) Organisms and communities, species and population
(c) Species, populations, biomes and organisms
(d) Organisms, populations, biomes and species
Answer:a
8. False statement is -
(a) habitat includes both biotic and abiotic factors
(b) Ecology at the organismic level is essential physiological ecology
(c) Abiotic and biotic components interact constantly with each other
(d) None of the above
Answer:d
9. The location of terrestrial biomes is strongly influenced by -
(a) Which animal species live in the area
(b) Climate
(c) Other nearby biomes
(d) Which plant species live in the area
Answer:b
10. A few organisms can tolerate and thrive at a wide range of temperatures. Such animals are called _______.A vast majority of animals are restricted to a narrow range of temperature. Such animals are called ______.
(a) Eurythermal, stenothermal
(b) Stenothermal, eurythermal
(c) Thermoscopic, Unthermoscopic
(d) Thermophobic, thermophilic
Answer:a
