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Biological Sciences Quiz 3 (60 MCQs)

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1. Quarrying, mining, construction work and deforestation are all examples of what type of biological weathering?
2. Sponges get their food by filtering it from the water. This makes them-
3. The most primitive Multicellular are the sponges and the .
4. The study of evolution by studying the development of the fertilized egg cell and its development into an organism is called
5. What kind of a structure is it? An Ostrich's wing
6. Estrogen, progesterone testosterone cortisol hydrocortisone and corticosterone are some ..... hormones.
7. What is a multicellular organism?
8. Antibodies are key elements in the body, s ..... system.
9. Name the smallest blood particles which play a crucial role in blood clotting.
10. The quantity of DNA in an egg and a sperm cell of a species is.
11. All the plants and animals are composed of .
12. Server disturbance of blood glow to the brain may cause a.
13. Which of the following are classified as a mollusks?
14. How many sugar units make up polysaccharides?
15. Which of the following nutrients provides energy to the body?
16. Who is the Father of Modern Taxonomy?
17. DNA and RNA are examples of
18. ..... are used in getting fermented food and drinks.
19. In a plant cell, a stiff wall surrounds the membrane, giving the cell a rigid, boxlike shape?
20. Fossils from what kind of organisms are most often found?
21. What are the monomers of DNA?
22. Jelly fish is like.
23. ..... require water to complete their life cycles.
24. We can test the presence of carbon dioxide in exhaled air by bubbling it into .....
25. All the biochemical energy related reactions in living body or cell are collectively called.
26. A man weighing about 70 kilograms contain about ..... litres of blood.
27. Which vitamin promotes good eyesight and is helpful in night vision?
28. Which type of biological macromolecule are enzymes?
29. The basic building unit of all animals and plants is.
30. The cell wall of plant is made of?
31. Which of the following are reproductive cells? A EggB Testis C Ovary D Sperm
32. Where lives an amoeba?
33. There are ..... chromosomes in human body cells.
34. In which process ripe pollen is transferred from the anther to the stigma of a flower?
35. What is this the definition for? "The breaking down of rocks caused by organisms."
36. What significant event led to the discovery of the cell?
37. This thin layer protects the cell and regulates what substances enter and leave the cell.
38. Both DNA and RNA are made up of repeated units called.
39. What method of contraception is the male condom?
40. Each nucleotide of DNA is made up of nitrogenous base, a phosphate group and give carbon sugar called.
41. The basic or fundamental unit of ecology is known as ecological system or.
42. Angiosperms or flowering plants have ..... species which are described.
43. Which is the largest mammal?
44. Ringworm, athlete, s foot, dandruff, and mycoses are.
45. Genetic information is stored in which class of organic compounds?
46. Anatomy is the study of.
47. How is carbon dioxide rempved from the air during the carbon cycle?
48. All proteins are made of.
49. The outer most boundary in most of the plant cells is .
50. What is the defining characteristic of cnidarians?
51. When a starfish grows a new body off a broken arm, what kind of reproduction is this?
52. Monosaccharides are monomers of
53. About 19% of total water of Earth is in .
54. What do they think happened to the dinosaurs?
55. Where do you place your title in your drawing?
56. Collection of tissues grouped together performing a common function.
57. Organisms living under the ocean.
58. Which macromolecule stores energy, insulates us, and makes up the cell membrane?
59. A gopher digs and scrapes on and around rocks when it burrows.
60. Which is an example of a lipid?
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