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Test: Respiration in Plants - 2 - NEET MCQ


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25 Questions MCQ Test Biology Class 11 - Test: Respiration in Plants - 2

Test: Respiration in Plants - 2 for NEET 2024 is part of Biology Class 11 preparation. The Test: Respiration in Plants - 2 questions and answers have been prepared according to the NEET exam syllabus.The Test: Respiration in Plants - 2 MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Respiration in Plants - 2 below.
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Test: Respiration in Plants - 2 - Question 1

Glycolysis is also known as

Detailed Solution for Test: Respiration in Plants - 2 - Question 1

The scheme of glycolysis was given by GustavEmbden, Otto Meyerhof, and J. Parnas, and is often referred to as the EMP pathway.

Test: Respiration in Plants - 2 - Question 2

Anaerobic respiration of yeast produces

Detailed Solution for Test: Respiration in Plants - 2 - Question 2

Glucose is achieved under anaerobic conditions by sets of reactions where pyruvic acid is converted to carbon dioxide and ethanol.

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Test: Respiration in Plants - 2 - Question 3

Glycerol would enter the amphibolic pathway after being converted into

Detailed Solution for Test: Respiration in Plants - 2 - Question 3

Glycerol would enter the pathway after being converted to PGAL.

Test: Respiration in Plants - 2 - Question 4

Respiratory enzymes are located in

Detailed Solution for Test: Respiration in Plants - 2 - Question 4

Option ( b)  mitochondrial matrix  is correct answer. 

Explanation:- 

The respiratory enzyme and electron carriers fir the electron carriers for the electron transport system are located within the inner mitochondria membrane. The enzymes for the citric acid cycle (krebs cycle) are located in the matrix.

Test: Respiration in Plants - 2 - Question 5

At the end of citric acid cycle, most of the energy is transferred to

Detailed Solution for Test: Respiration in Plants - 2 - Question 5

Citric acid cycle or C3cycle start with pyruvate and leads to complete oxidation of glucose to carbon dioxide and energy in form of ATP, NADH and FADH2. At end of citric acid cycle, most of the energy is transferred to NADH and FADH2.

Test: Respiration in Plants - 2 - Question 6

Number of glucose molecule required to produce 38 ATP under anaerobic condition is

Detailed Solution for Test: Respiration in Plants - 2 - Question 6

During anaerobic respiration only two molecules of ATP is produced by each molecules of glucose. So, 19 glucose molecules are required to produce 38 ATP molecules.

Test: Respiration in Plants - 2 - Question 7

Which of the following organisms show anaerobic respiration?

Detailed Solution for Test: Respiration in Plants - 2 - Question 7

Anaerobic animals such as fungi, most of bacteria, yeast even some human cells use this mode of anaerobic respiration.
yeast,multicellular neried ,protozoans bacteria are some organisms that respire through anaerobic respiration

Test: Respiration in Plants - 2 - Question 8

Which one is known as energy currency of the living cells?

Detailed Solution for Test: Respiration in Plants - 2 - Question 8

ATP is known as energy currency of living cells because energy produced during respiration is stored in form of ATP , which can be utilized for performing different activities.

Test: Respiration in Plants - 2 - Question 9

Respiratory Quotient for the reaction 

C57H107O6 + 80O2....... → 57CO2 + 52H2O

Detailed Solution for Test: Respiration in Plants - 2 - Question 9

RQ is equal to number of carbon dioxide molecules produced divided by number of oxygen molecules used during respiration. Here, RQ = 57/80 = 0.71.

Test: Respiration in Plants - 2 - Question 10

In eukaryotic organisms aerobic respiration takes place in presence of

Detailed Solution for Test: Respiration in Plants - 2 - Question 10

In eukaryotic organisms aerobic respiration occurs in the presence of oxygen.

Test: Respiration in Plants - 2 - Question 11

Cellular respiration first takes place in

Detailed Solution for Test: Respiration in Plants - 2 - Question 11

Cellular respiration takes place in two steps- Glycolysis and Kreb’s cycle. Glycolysis occurs in cytoplasm of cells and Kreb’s cycle in mitochondria. So, first step of respiration takes place in cytoplasm.

Test: Respiration in Plants - 2 - Question 12

During which stage in the complete oxidation of glucose is the greatest number of ATP formed from ADP?

Detailed Solution for Test: Respiration in Plants - 2 - Question 12

During electron transport chain stage of respiration of complete oxidation of glucose greatest number of ATP is formed from ADP in inner wall of mitochondria.

Test: Respiration in Plants - 2 - Question 13

Most common respiratory substrate is

Detailed Solution for Test: Respiration in Plants - 2 - Question 13

Most common respiratory substrate is glucose. Glucose get oxidized completely to produce carbon dioxide and water along with ATP molecules.

Test: Respiration in Plants - 2 - Question 14

What is the final product of Glycolysis?

Detailed Solution for Test: Respiration in Plants - 2 - Question 14

In glycolysis, glucose undergoes partial oxidation to form two molecules of pyruvic acid.

Test: Respiration in Plants - 2 - Question 15

Electron transport system take place in

Detailed Solution for Test: Respiration in Plants - 2 - Question 15

The metabolic pathway through which the electron passes from one carrier to another, is called the ETS and it is present in the inner mitochondrial membrane.

Test: Respiration in Plants - 2 - Question 16

Lactic acid is formed by the process of

Detailed Solution for Test: Respiration in Plants - 2 - Question 16

Fermentation of carbohydrates such as glucose, lactose, sucrose produces lactic acid.
So the correct option is 'Fermentation.'

Test: Respiration in Plants - 2 - Question 17

FAD + is produced during conversion of

Detailed Solution for Test: Respiration in Plants - 2 - Question 17

During citric acid cycle, Succinic acid is converted into Fumaric acid during which FAD + FAD +  molecules is produce that produce 2 ATP molecules.

Test: Respiration in Plants - 2 - Question 18

R.Q is less than unity in case of

Detailed Solution for Test: Respiration in Plants - 2 - Question 18

Respiratory quotient is the ratio of number of carbon dioxide molecules to the number of oxygen molecules during respiration. R.Q is less than one in case of protein

Test: Respiration in Plants - 2 - Question 19

How many netATP are produced in Glycolysis?

Detailed Solution for Test: Respiration in Plants - 2 - Question 19

At the end of glycolysis pathway, 2 net ATP molecules at step 6 and step 9 are produced.

Test: Respiration in Plants - 2 - Question 20

Arrange the following in descending order based upon number of carbon atoms in Kreb cycle
a) α-ketoglutaric acid
b) citric acid
c) Acetyl coA
d) Succinic acid

Detailed Solution for Test: Respiration in Plants - 2 - Question 20

In kerb cycle citric acid consists of 6C atoms ,α-ketoglutaric acid consist of 5C atoms, succinic acid consists of 4 C atoms and Acetyl co A consists of 2C atoms,

Test: Respiration in Plants - 2 - Question 21

In mitochondria, protein accumulate in

Detailed Solution for Test: Respiration in Plants - 2 - Question 21

The inner membrane of mitochondria contains more than 151 different polypeptides and has a very high protein-tophospholipid ratio.

Test: Respiration in Plants - 2 - Question 22

Which process makes direct use of oxygen

Detailed Solution for Test: Respiration in Plants - 2 - Question 22

Electron transport process makes direct use of oxygen to produce ATP molecules in respiration process.

Test: Respiration in Plants - 2 - Question 23

Before combining with oxaloacetate, pyruvate is changed into

Detailed Solution for Test: Respiration in Plants - 2 - Question 23

Pyruvate produced during Glycolysis is changed into Acetyl Co A for Kreb’s cycle to proceed further to combine with oxaloacetate molecule, a six carbon compound.

Test: Respiration in Plants - 2 - Question 24

The enzyme which converts glucose into glucose -6- phosphate is

Detailed Solution for Test: Respiration in Plants - 2 - Question 24

Glucose and fructose are phosphorylated to give rise to glucose-6-phosphate by the activity of the enzyme hexokinase.

Test: Respiration in Plants - 2 - Question 25

Which compound consists of 5 carbon atoms?

Detailed Solution for Test: Respiration in Plants - 2 - Question 25

In kreb cycle only one compound consists of 5 carbon atoms it is α –Ketoglutaric acid .

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