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Biological Sciences Quiz 1 (60 MCQs)

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1. Organisms that have the most DNA sequences in common
2. What is the special structure of an arthropod that provides structure and protection from the outside?
3. It is where all of the genetic information stored inside of a cell.
4. All the ..... are included in kingdom animalia.
5. Invertebrates are the animals which do not have.
6. The branch of biology that deals with the classification and naming of living things is called.
7. What do you call a single-celled organism?
8. The most prominent kingdom were humans belong?
9. What phyla contains earthworms?
10. What are the monomers (building blocks) of CARBOHYDRATES?
11. Organisms, like sponges, lacking body tissues and body symmetry belong to which of the following phyla?
12. The structure of DNA was elaborated by Watson and Crick in.
13. Known as the powerhouse of the cell
14. The cell consists of a nucleus, which is surrounded by a jelly-like substance called the.
15. An anatomical feature that no longer seams to have a purpose in the current form of an organism
16. The total pregnancy in human female is usually about nine months or .
17. Where does an off spring get its traits in asexual reproduction?
18. Isoenzymes are different forms of ..... with slight changes in molecular structure.
19. The trachea leads to the .....
20. What is the advantage of having different shaped beaks?
21. Name the ability to resist infectious diseases.
22. Which one is an example of a multicellular organism?
23. Humans get most of their energy from eating what type of food?
24. What is the most abundant inorganic compound in th protoplasm?
25. Name the organism that lives by taking nourishment from another living organism, giving no benefit in return.
26. Which kind of a structure is it? A whale's pelvis
27. The lipid that makes up the double-layered cell membrane is .....
28. What animal creates weathering on rocks?
29. Milk has ..... prominent proteins.
30. Nucleotides are monomers of
31. The system that contains all living things on Earth.
32. What kind of protists that can produce their own food?
33. According to the levels of biological organization, which level comes next:cell $ \rightarrow$ tissue $ \rightarrow$
34. Numerous useful bacteria do many beneficial jobs for.
35. A man performing heavy manual work may use as many as ..... kilocalories a day.
36. Which nutrient supplies the most calories per gram?
37. ..... may be killed by heat, sound waves, or chemical treatment .
38. What is In Vitro Fertilization?
39. Most plants cease to grow at the temperature below.
40. A chemical that kills disease-causing bacteria
41. Why would an animal need to adapt?
42. Apes have no..... as against monkeys.
43. Why would a person want to limit their intake of sodium (salt)?
44. What is also known as 'mechanical weathering'?
45. A plant grows in a rock, which slowly breaks the rock apart.
46. Plants can cause biological weathering of rocks by:
47. Using DNA to determine which organisms are related to others is called:
48. The weight of blue whale is upto.
49. Name the mean of making an individual immune to an infectious disease, such as smallpox, by injecting a vaccine.
50. ..... is any of several organic substances present in very small amounts in the blood and producing specific effects in the body.
51. ..... works with phosphorous in building and maintaining bones and teeth.
52. The protein that transports oxygen in our blood is .....
53. Plant kingdom consists of more than ..... species.
54. All amino acids contain just ..... elements.
55. What is an advantage of sexual reproduction?
56. Indus dolphin is found only in.
57. The fungi have on ..... and thus cannot photosynthesize.
58. Fossils that are created from minerals that replace the existing cell structure, creating a replica are
59. Oxidation causes a rock to have a red or brownish hue.
60. Collection of all ecosystems.
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