36. Photosynthetic organisms are A) heterotrophs B) animals C) consumers D) prod

Question

36. Photosynthetic organisms are A) heterotrophs B) animals C) consumers D) producers (autotrophs) E) decomposers 37. The waste products of cellular respiration include A) water only B) carbon dioxide only C) glucose only D) water and carbon dioxide E) water and glucose . 38 The ultimate source of the energy in food is- A) the sun B) producers C) ATP D) consumers E) plants 39. Which of these equations describes aerobic cellular respiration? A) glucose lactic acid + energy B) energy + carbon dioxide + water glucose + oxygen + water C) glucose ethyl alcohol + carbon dioxide + energy D) glucose + lactose galactose + water E) glucose +oxygen carbon dioxide + water +energy 40. Which of the following are produced during cellular respiration? A) ATP and water B) carbon dioxide and ATP C) oxygen D) carbon dioxide, water, and ATP E) oxygen and glucose 41. During redox reactions, A) the loss of electrons from one substance is called reduction B) a substance that gains electrons is said to be oxidized C) electrons are lost from one substance and added to another substance D) p rotons from one molecule replace the electrons lost from another molecule E) none of the above

Explanation / Answer

36. Photosynthetic organisms are

D. producers

they produce their own food with the help of sunlight and carbon dioxide.

37. The waste products of respiration include

D. Water and carbon dioxide

Cells produce co2 ,h2o and atp with the help of oxygen and glucose during respiration.

38. The ultimate source of energy in food is

A. The sun

Because in every food chain producers are the food producing organisms and they use sunlight in this process called photosynthesis.

39. Aerobic respiration is

E. Glucose +oxygen–> carbon dioxide + water + ATP (energy)

40. Substances produced during cellular repsiration are

D. Carbon dioxide , water and ATP

In cellular respiration one molecule of glucose reacts with six molecules of oxygen and forms 6 molecules of CO2 and 6 molecules of H2O and energy in the form of ATP is produced (upto 30 molecules).

41. During redox reaction

C. Electrons are lost from one substance and added to other substance.

Redox reaction is a combination of two reactions i.e oxidation in which a substance loses electrons and reduction in which a substance gains electrons.

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