Biology MCQS Chaper 11 Bioenergetics

Chapter 11 BioEnergetics

1.principle  photosynthetic of green plants is?

A.nodes and internodes
B.leaves

C.stem

D.root

Correct answer is B

2.Actual photosynthetic occurs in?

A.grana

B.stroma

C.thylakoids

D.lamella

Correct answer is B

3.Chlorophyll A is differ from chlorophyll B?

A.methyl group

B.aldehyde  group

C.keto group

D.hydroxyl group

Correct answer is B

4.Which is the main energy  processing process?

A.photosynthesis

B.respiration

C.none of these

D.both of these

Correct answer is D

5.Chlorophyll appear in green color because?

A.absorb blue and green light

B.reflect blue and red light

C.reflect green light

D.reflect yellow and red light

Correct answer is C

6.Photosynthesis play a key role in?

A.balance between atmospheric o2 and co2

B.presence of ozone layer

C.green house effect

D.none of these

Correct answer is A

7.Grana of chloroplast?

A.store glucose

B.contains chlorophyll

C.store enzymes

D.store ribulose

Correct answer is C

8.Thylakoids of chloroplast contains?

A.enzymes

B.photosynthetic pigment

C.carotenoids

D.phycobillins 

Correct answer is B

9.Formation of carbohydrates and oxygen during photosynthetic depends on?

A.tempreture

B.ph

C.light

D.carotene

Correct answer is C

10.The process of formation of ATP?

A.photophosphorylation

B.oxidative phosphorylation

C.phosphorylation 

D. all of these

Correct answer is C

11.The color of chlorophyll A is?

A.blue

B.green

C.blue green

D.none of these

Correct answer is C

12.oxygen evolved during photosynthesis is coming from?

A.co2

B.water

C.none of these 

D.Both of these

Correct answer is B

13.NADPH provides the H+ (proton) for the synthesis of?

A.3_phosphoglyceric acid

B.glucose

C.enol pyruvate 

D.acetyl coA

Correct answer is B

14.Identify the light trapping centre?

A.photosystem (PSI and PSII)

B.caroteneand xanthophyll

C.chlorophyll A

D.chlorophyll B

Correct answer is A

15.In non_cyclic electron transport for reduction of NADP the electrons are contributed by?

A.phycobillins

B.carotene

C.chlorophyll 

D.xanthophyll

Correct answer is C

16.Non_cyclic photophosphorylation during photosynthesis 

A.generate ATP

B.produce NADPH2

C.produce NAD

D.Both A And B

Correct answer is D

17.The first stable intermediate chemical in calvin cycle is ?

A.pyruvic acid

B.acetyl COA 

C.phosphoglyceric acid

D.lactate

Correct answer is C

18.Cabon dioxide fixation occurs when?

A.it combines with Rubp

B.2phosphoglyceric acid formed

C.acetyl CoA is produced

D.pyruvic acid is formed

Correct answer is A

19.Carbohydrates translocation in plants occur in the form of?

A.sucrose

B.glucose

C.fructose

D.galactose

Correct Answer is A

20.Krebs cycle beings with?

A.glycogen

B.glucose

C.HCL

D.pyruvic acid

Correct answer is D

21. ........ is the energy currency of cell?

A.NAD

B.NADPH

C.ATP

D.NADPH2

Correct answer is C

22.During complete metabolisms of glucose the number of ATP formed from a corresponding number of ADP molecules?

A.1 ATP

B.32 ATP

C.36 ATP

D.38 ATP

Correct answer is D

23.The chief site of repiration in plants are?

A.mitochondria 

B.ribosomes

C.lysosome 

D.chloroplast 

Correct answer is A

24.The primary consumers are?

A.sheep

B.cat

C.goat

D.all of above

Correct answer is D

25. In tropic level producers are present at?

A.top

B.base

C.middle

D.bottom 

Correct answer is B