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Class 11 Biology Chapter 1 The Living World Quiz 11 (60 MCQs)

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1. Fill in the blank: ..... is the increase in concentration of slowly degradable, fat soluble chemicals such as DDT and PCBs in organisms at successively higher trophic levels of a food chain or food web.
2. All the water areas on earth
3. The common characteristics between tomato and potato will be maximum at the level of their
4. The main ENERGY source for all things on Earth:
5. Exemplified by ticks feeding on a deer
6. Which of the following is a defining characteristic of living organisms?
7. Species diversity
8. How do lichens contribute to primary succession?
9. Species evenness
10. Genus represents
11. What does a producer do?
12. Which biogeochemical cycle does not contain an atmospheric stage
13. Which of the following is not a category?
14. The largest reservoir of nitrogen is the:
15. A species that influences the survival of many other species in an ecosystem
16. What advantage do specialist species have in habitats that remain constant?
17. Which biome is characterised by having no trees and permanently frozen sub-soil?
18. What is a carbon sink?
19. The total number of different species in a given area is called
20. A naturally occurring unit of organisms and their physical environment is called:
21. The word 'taxonomy' comes from two Greek words:
22. Which is the best example of a disruption that will lead to a population bottleneck?
23. A living organism is unexceptionally differentiated from a nonliving structure on the basis of
24. The best way to preserve biodiversity is to .....
25. Barnacles attach themselves to the skin of whales. This allows them to filter feed as the whale swims. The whale is unaffected. This is an example of .....
26. The standard size of herbarium sheet is
27. Who is the father of modern taxonomy?
28. An example of an unicellular organism would be:
29. Which of the following statements is true about adaptations?
30. Who was the first to classify all animals in the History of Animalia?
31. Gradual changes occurs in the body parts and also in the behaviour of organisms which helps them to adjust to their surroundings such changes are called .....
32. ..... is the value of an organism, species, ecosystem, or the Earth's biodiversity based on its existence, regardless of whether it has any usefulness to humans.
33. Identify from the following, the only taxonomic category that has a real existence.
34. Which of the following is correct statement About biology
35. Which of the following best represents inbreeding?
36. What do you understand by the term 'mycelium'?
37. Which group forms 'red tides' due to rapid multiplication and toxin release?
38. A theory that demonstrates the dual importance of habitat size and distance in determining species richness.
39. The third name in a trinomial nomenclature is
40. Which biome creates 50% of the world's oxygen?
41. A hypothesis is .....
42. Define the term:Constants/controlled variables.
43. Loss of habitat can lead to which of the following?
44. The process in which water is absorbed by the root systems of plants, moves up through the plants, passes through pores (stomata) in their leave or other parts, and evaporates into the atmosphere as water vapor is referred to as which of the following?
45. Of the following ecosystems, which has the lowest net primary productivity, measured as kilocalories of energy produced per square meter per year?
46. Movement from one area to another
47. Which plant has a hard and thick stem and is known to live for many years?
48. Animals and plants are best protected in
49. Which law regulates the trade in endangered species between countries?
50. Metabolism is a defining characteristic of all living organism. Say True or False
51. Fresh water referrers to which of the following
52. One of the most important functions of botanicalgardens is that
53. How do animals gain sulfur, phosphorus, carbon, and nitrogen from their environment?
54. Reads the following statements1. Animals, mammals and dogs represents taxa at different levels.2. Animals with external ears and body hair are mammals.3. Ecological information form basis of modern taxonomy4.Systematics is based on evolutionaly relation.How many statements mentioned above are incorrect?
55. A process in which individuals that have certain inherited traits tend to survive and reproduce at higher rates than other individuals because of those traits.
56. Which of the following characters given below displays the description of lowest taxonomic category of organisms in the plant and animal kingdom?
57. What is the second lowest layer in the Rainforest?
58. A species on which other species in an ecosystem largely depend, such that if it were removed the ecosystem would change drastically.
59. Slime moulds under suitable conditions form a large aggregation called:
60. Assertion:Metabolism, Growth and consciousness are defining features of all living organisms.Reason:defining features are present all living organisms without any exception.
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