BIO203

Category: BIO203

ATTENTION:

Kindly note that you will be presented with 50 questions randomized from the NOUN question bank. Make sure to take the quiz multiple times so you can get familiar with the questions and answers, as new questions are randomized in each attempt.

Good luck!

BIO203

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1. The most easily observed part of a plant cell is the ________

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2. Which of the following enzymes catalyzes the breakdown of hydrogen peroxide?

A. Peroxidase

B. Hydrogenase

C. Catalase

D. Oxidase

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3. Making the mental connections to take advantage s of accidental observations is involved in the _________ side of science.

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4. Which of the following is the carbohydrate produced by Calvin cycle?

A. glucose

B. starch

C. sucrose

D. sugar

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5. Which of the following is / are the products of the photochemical reaction? I. ATP, II. NADP, III. cardohydrates

A. I only

B. I and II

C. III only

D. I and III

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6. Which of the following is not a feature of the photochemical reactions?

A. reduce NAD+

B. release oxygen

C. produce ATP

D. oxidizes water

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7. Cells that adjoin one another are held together by ________

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8. Which of the following may be involved in discoveries? I. Seriousness, II.Creativity III.Certainty, IV.Luck

A. II and IV

B. II and III

C. I Only

D. II Only

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9. Organic compounds made in one part of a plant and transported to another part of the plant where they elicit a response are called ________

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10. Raw materials required by green plants to manufacture their food are ________

A. Mainly gases

B. Mainly fluids

C. Living materials

D. Inorganic substances

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11. Which of the following organelles is not part of the cytoplasm?

A. Ribosomes

B. Endoplasmic reticulum

C. Nucleus

D. Mitochondrion

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12. Which of the following is not a major content of vacuoles?

A. Proteins

B. Lipids

C. Enzymes

D. Growth hormones

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13. Sweet potatoes were once considered strong _________

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14. The distance moved by a photon during a complete vibration is referred to as the photon’s ___________

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15. A __________ makes an end to the scientific method for a particular experiment.

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16. The largest filaments in the cytoskeleton are _________

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17. The pigment type which does not absorb any wavelength of light is _________

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18. The chemiosmosis theory of ATP synthesis was formulated by __________

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19. Cells rely on __________ to start their reactions.

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20. ________ first demonstrated that plants produce oxygen.

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21. The sequence of events leading to seed germination begins with __________

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22. The oldest giant sequoia is about _________ years old.

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23. All cells in a plant has the potential to exchange substances through the __________

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24. Which of the following organelles is surrounded by only one membrane?

A. Nucleus

B. Micro-bodies

C. Mitochondria

D. Chloroplasts

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25. Which of the following statements is not true of enzymes?

A. they are biocatalysts

B. they regulate energy transformations

C. they are globular proteins

D. they increase the energy of activation of reactions

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26. Which type of filament is the same for both plants and animals?

A. Acton filaments

B. Microtubules

C. Plasmodesmata filaments

D. Intermediate filaments

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27. Commercial compounds that inhibit the synthesis of gibberellins are called ________

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28. _________is the nucleotide triphosphate involved in membrane production.

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29. Which of the following is not a reason why we study botany?

A. to understand botany in general

B. to learn the facts and processes of doing botany

C. to appreciate what the botanists do

D. to appreciate living organisms

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30. Commercial compounds that inhibit the synthesis of gibberellins are called __________

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31. _________ divide cells into many interconnected compartments.

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32. Which of the following is not a cytoskeletal filament?

A. Acton filament

B. Plasmodesmata

C. Intermidiate filaments

D. Microtubules

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33. The organelle that enables plants to convert lipids to carbohydrates is __________

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34. Conversion of energy from one form to another occurs through a set of chemical reactions collectively called: ______________

A. Metabolism

B. Anabolism

C. Chemosynthesis

D. Catabolism

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35. Which of the following is not part of the cytoplasm?

A. chromatin

B. hyloplasm

C. micro bodies

D. spherosomes

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36. During photosynthesis, the chlorophyll _________

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37. Which of the following is not being transported by dictyosomes to plasma membrane?

A. polysaccharides

B. hemicellulose

C. glycoproteins

D. pectin

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38. The organelle that enables plants to convert lipids to carbohydrates is ___________

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39. In which of these regions does plasmodesmata occur?

A. Pholem vessels

B. Primary pitfields

C. Secondary pit-fields

D. Xylem vessels

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40. Which of the following tissue is an exception to the general occurrence of plasmodesmata?

A. Food absorbent

B. Food conducting

C. Water absorbent

D. Water conducting

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41. The energy input that sustains life on earth is _________

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42. Cork is useful in making stoppers for wine bottle because: __________

A. Suberized tissues inhibit water loss

B. They lack glycoproteins

C. They are rigid

D. They are hard enough to prevent leakages

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43. Who reported that chlorophyll occurs in chloroplast and that photosynthesis forms carbohydrates only in light?

A. Jean Senebier

B. Nicholass de Saussure

C. T. W. Engelmann

D. Julius Sachas

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44. Which of the following is fibre not used for?

A. To make cigarette

B. To produce tea

C. To produce paper

D. To make money

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45. ________ asserted that the oxygen released during photosynthesis came from water rather than carbon dioxide.

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46. The equation of photosynthesis is the __________ of that of respiration.

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47. Ribosomes are specially abundant in the ________ cells.

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48. The most active naturally occurring auxin in plants is ___________

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49. Which of the following processes converts chemical energy into mechanical energy?

A. pushing a rock

B. winding a watch

C. combustion

D. exploding a knockout

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50. Posing hypothesis in scientific method requires a type of reasoning called __________

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