SPEED TEST- 11/14

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SPEED TEST- 11/14

Respiration in Plants

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1. Which statement is wrong for Kreb's Cycle? *

1 point

There is one point in the cycle where FAD+ is reduced to FADH2

There are three points in the cycle where NAD+ is reduced to NADH + H+

During conversion of succinyl CoA to succinic acid, a molecule of GTP is synthesised

The cycle starts with condensation of acetyl group (acetly CoA) with pyruvic acid to yield citric acid

2. Which of the following bio-molecules is common to respiration mediated breakdown of fats, carbohydrates and proteins? *

1 point

Glucose-6-phosphate

Fructose1, 6-biphosphate

Pyruvic Acid

Acetyl CoA

3. R.Q.of 4 is obtained when respiratory substrate is .......... *

1 point

Oxalic acid

Malic acid

Tartric acid

Glucose

4. Turn of Krebs cycle required for completes oxidation of one molecules of glucose are … *

1 point

5. Number of carbon atoms available in acetyl CoA is … *

1 point

6. Anaerobic respiration takes place in ______ *

1 point

Vacuole

Ribosome

Nucleus

Cytoplasm

7. What is true of Krebs cycle? *

1 point

ATP/GTP

All of the above

Acetyl CoA combines with OAA

Two decarboxylations

8. In mitochondria, enzyme cytochrome oxidase is present in *

1 point

Perimitochondrial Space

Outer membrane

Inner membrane

Matrix

9. Succinate + FAD forms____ *

1 point

Isocitrate + NADH2

Fumarate + FADH2

Malate + NADH2

Citrate + Water

10. Pyruvic acid is a product of *

1 point

Glucose

Acetic acid

Aetyl CoA

Satrch

11. Minerals that activate respiratory enzymes are *

1 point

Mg and Mn

K and Ca

S and Fe

N and P

12. Oxidative phosphorylation is found in *

1 point

Chloroplasts

Leucoplasts

Peroxisomes

Mitochondria

13. Which is end-product of oxidative phosphorylation? *

1 point

Oxygen

NADH

ATP + Water

ATP

14. How many ATP molecules can be produced through oxidative phosphorylation of 2NADH2 and 3FADH2 *

1 point

15. Electron transport requires *

1 point

Phytochrome

Cytochromes

Enzymes

Hormones

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