MCQ Questions for Class 11 Biology Chapter 14 Respiration in Plants with Answers

MCQ Questions for Class 11 Biology Chapter 14 Respiration in Plants with Answers 

MCQ Questions for Class11 Biology Chapter 14 Respiration in Plants

Respiration in Plants Class 11 Biology MCQs Questions with Answers

Check the below NCERT MCQ Questions for Class 11 Biology Chapter 14 Respiration in Plants with Answers Pdf free download. MCQ Questions for Class 11 Biology with Answers were prepared based on the latest exam pattern. We have Provided Respiration in Plants Class 11 Biology MCQs Questions with Answers to help students understand the concept very well.

Class 11 Biology Chapter 14 Quiz

Class 11 Biology Chapter 14 MCQ Online Test


You can refer to NCERT Solutions for Class 11 Biology Chapter 14 Respiration in Plants to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Respiration in Plants Class 11 Biology MCQ online test

Q1. R.Q is ratio of
A.CO2 produced to substarate consumed
B.CO2 produced to O2 consumed
C.oxygen consumed to CO2 produced
D.oxygen consumed to water produced
Ans: CO2 produced to O2 consumed

Q2. Angiosperm pollen is generally released at the
A.1 – celled stage
B.2 – celled stage
C.3 – celled stage
D.male gamete formation stage
Ans: 2 – celled stage

Q3. The complete oxidation of pyruvate take place in
A.cell cytoplasm
B.inner mitochondrial membrane
C.mitochondrial matrix
D.nucleus
Ans: mitochondrial matrix
Explanation:
Pyruvate is transported from cytoplasm into the mitochondria. The complete oxidation of pyruvate takes place in matrix of mitochondria.

Q4. Which enzyme catalyses the reaction below? Pyruvic acid → Carbon dioxide + Ethanol
A.Pyruvic acid decarboxylase
B.Alcohol dehydrogenase
C.None of these
D.Both of these
Ans: Both of these
Explanation:
In fermentation, the incomplete oxidation of glucose is achieved under anaerobic conditions by sets of reactions in which pyruvic acid is converted to carbon dioxide and ethanol.
The enzymes involved are pyruvic acid decarboxylase and alcohol dehydrogenase.

Q5. TCA cycle was discovered by
A.Otto Meyerhof
B.Hans Kreb
C.Gustav Embden
D.All of these
Ans: Hans Kreb
Explanation:
TCA cycle or tricarboxylic acid cycle was given by Hans Kreb. So it is also called as Kreb cycle.

Q6. Which one of the following describes the spikelet of a cereal or grass plant
A.inferior ovary
B.dehiscent fruit
C.pair of glumes
D.fused calyx
Ans: pair of glumes

Q7. Malacophily means
A.pollination by wind
B.pollination by water
C.pollination by insects
D.pollination by snails
Ans: pollination by snails

Q8. Herkogamy is a contrivance for
A.allogamy
B.autogamy
C.chasmogamy
D.cleistogamy
Ans: allogamy

Q9. Out of 36 ATP molecules produced per glucose molecule during respiration
A.2 are produced outside glycolysis and 34 during repiratory chain
B.2 are produced outside mitochondria and 34 inside the mitochondria
C.all the formed inside mitochondria
D.2 during glycolysis and 34 during kreds cycle
Ans: 2 are produced outside mitochondria and 34 inside the mitochondria

Q10. Complete the reaction. _________ + O2 → CO2 + _______ + Energy
A.C6H12O6, 2H2O
B.C12H22O11, 6H2O
C.C6H12O6, 6H2O
D.C12H22O11, 11H2O
Ans: C6H12O6, 6H2O
Explanation:
C6H12O6 + 6O2 → 6CO2 + 6H2O + Energy

Q11. The significant morphological feature of passion flower is the presence of
A.numerous corolla
B.androphore
C.gynophore
D.androgynophore
Ans: androphore

Q12. The final electron acceptor in electron transport chain is
A.Cytochrome C
B.FADH
C.NADH
D.oxygen
Ans: oxygen
Explanation:
Oxygen acts as the final electron acceptor in electron transport chain.

Q13. Which of the following acts as mobile carrier for transfer of electrons between complex III and complex IV?
A.Cytochrome c
B.cytochrome a3
C.cytochrome a
D.FADH2
Ans: Cytochrome c
Explanation:
Cytochrome c is a small protein attached to outer surface of the inner membrane and acts as mobile carrier for transfer of electrons between complex III and IV.

Q14. Aleurone layer takes part in
A.protection of delicate embryo
B.enzyme synthesis
C.transfer of food to cotyledons
D.transfer of food from cotyledons to embryo tips
Ans: enzyme synthesis

Q15. A characteristic of drupe is
A.fleshy seed coat
B.stony pericarp
C.stony mesocarp
D.stony endocarp
Ans: stony endocarp

Q16. Incomplete oxidation of glucose into pyruvic acid with several intermediate steps is know as
A.TCA pathway
B.Glycolysis
C.Hms pathway
D.Glycolysis
Ans: Glycolysis

Q17. End product of glycolysis is
A.acetyl Coenzyme A
B.PEP
C.pyruvate
D.OAA
Ans: pyruvate
Explanation:
The end product of glycolysis is pyruvate.

Q18. Respiratory enzymes are located in
A.mitochondrial matrix
B.Cristae
C.perimitochondrial space
D.outer membrane
Ans: Cristae

Q19. Respiratory quotient of carbohydrates is
A.0.9
B.1.2
C.1
D.0
Ans: 1
Explanation:
RQ i.e. respiratory quotient is 1.
RQ = volume of CO2 evolved / volume of O2 consumed

Q20. One molecule of glucose yields ___ ATP molecules in aerobic respiration.
A.2
B.16
C.38
D.42
Ans: 38
Explanation:
One molecule of glucose yields 38 molecules of ATP during aerobic respiration.


MCQ Questions for Class 11 Biology


MCQ QUESTIONS WITH ANSWER

NCERT SOLUTIONS FOR CLASS 11

Tags:

Post a Comment

इस पेज / वेबसाइट की त्रुटियों / गलतियों को यहाँ दर्ज कीजिये
(Errors/mistakes on this page/website enter here)

Post a Comment

इस पेज / वेबसाइट की त्रुटियों / गलतियों को यहाँ दर्ज कीजिये
(Errors/mistakes on this page/website enter here)

Previous Post Next Post