CBSE Class 11 Biology Worksheet Set G Solved

Read and download free pdf of CBSE Class 11 Biology Worksheet Set G Solved. Download printable Biology Class 11 Worksheets in pdf format, CBSE Class 11 Biology All Chapters Worksheet has been prepared as per the latest syllabus and exam pattern issued by CBSE, NCERT and KVS. Also download free pdf Biology Class 11 Assignments and practice them daily to get better marks in tests and exams for Class 11. Free chapter wise worksheets with answers have been designed by Class 11 teachers as per latest examination pattern

All Chapters Biology Worksheet for Class 11

Class 11 Biology students should refer to the following printable worksheet in Pdf in Class 11. This test paper with questions and solutions for Class 11 Biology will be very useful for tests and exams and help you to score better marks

Class 11 Biology All Chapters Worksheet Pdf

1. Which part of the mitochondria is the Electron Transport system of aerobic organisms located?

2. Why is respiratory pathway termed as Amphibolic pathway? 

3. During Photosynthesis which substrate is the hydrogen donor, and gets oxidized to O2

4. In which two regions of light spectrum, maximum absorption of Chlorophyll a take place? 

5. What is Glycolysis? Where does it take place and what are the two monosaccharides that enter this pathway?

6. Give the equation of oxidative decarboxylation of Pyruvate after the glycolysis? 

7. State following two differences , between C 3 and C 4 plants:
(i) First stable compound and
(ii) CO2 acceptor.

8. What is Photorespiration? Why it does not occur in C4 plants? 

9. How does PS II get a supply of electrons continuously? Explain and write the equation. 

10. Explain the C 4 pathway. 

11. Explain the Citric Acid cycle.

VALUE POINTS 



1. It is in the inner mitochondrial membrane space. 

2. Though Respiratory pathway is mainly a catabolic pathway, but it also involves anabolic pathway where respiratory intermediates are synthesized from fatty acids, glycerol or amino acids.

3. Water 

4. Blue and Red 

5. Glycolysis is the stepped process in which 6 C Glucose breaks into two molecules of 3C Pyruvic acid. It takes place in the cytoplasm and the two monosaccharides are Glucose and Fructose.

6. Pyruvic Acid +CoA+NAD+  Mg+2 Pyruvate dehydrogenase   Acetyl Co A + CO2 + NADH + H+

                                                  → 

Acetyl Co A
CO2 
NADH2
Pyruvate
Dehydrogenase

7. In C3 plants the first stable compound is Phoshoglyceric acid(PGA) but in C4 plants it is Oxalo acetic acid(OAA) .
In C3 plants the Co2 acceptor is RuBP in mesophyll cells In C4 plants it is Phosphoenol pyruvate(PEP) in mesophyll cells and RuBP in bundle sheath cells.

8. RuBisCo is the most abundant enzyme and is characterized by the fact that its active site can bind to both CO2 &O 2. It has greater affinity for CO2 . In C3 plants RubisCo binds to O2 and reduces CO 2 fixation. In C4 plants it does not occur as they have a mechanism to increase the concentration of CO 2 at the enzyme site.

9. Splitting of water is associated with the PSII ,water splits into H+ , O and electrons .This creates oxygen and electrons that were removed from PSI get replaced.
2H2O  →  4 H + + O2 + 4 e-

10. The primary CO2 acceptor is Phosphoenol Pyruvate that is present in mesophyll cells of C4 plants. Phosphoenol Pyruvate carboxylase is helps to convert it into a 4C molecule Oxalo acetic acid.It then forms malic or aspartic acid in mesophyll cells and it is then transported to bundle sheath cells.In these bundle sheath cells these acids are broken to a 3C molecule and and CO2 is released. The CO2 released enters the C3 cycle as bundle sheath cells have RuBisCO.This 3 C molecule is transported back to mesophyll cells and converted to PEP again.

CBSE Class 11 Biology Worksheet Set G Solved 1


11. TCA cycle or Citric acid cycle begins with condensation of Acetyl CoA and Oxalo Acetic acid catalysed by citrate synthase forming Citric Acid. Citrate is the isomerised to Isocitrate.
Then decarboxylation leads to formation of α ketoglutaric acid releasing one NADH 2 and CO2 and then Succinyl Co A. is formed again releasing NADH 2 and CO2 This is then converts to Succinic acid and a molecule of GTP is formed. The succinic acid is then converted to Malic acid releasing FADH 2 and finally back to Oxaloacetic acid .

CBSE Class 11 Biology Worksheet Set G Solved 2

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All Chapters CBSE Class 11 Biology Worksheet

The above practice worksheet for All Chapters has been designed as per the current syllabus for Class 11 Biology released by CBSE. Students studying in Class 11 can easily download in Pdf format and practice the questions and answers given in the above practice worksheet for Class 11 Biology on a daily basis. All the latest practice worksheets with solutions have been developed for Biology by referring to the most important and regularly asked topics that the students should learn and practice to get better scores in their examinations. Studiestoday is the best portal for Printable Worksheets for Class 11 Biology students to get all the latest study material free of cost. Teachers of studiestoday have referred to the NCERT book for Class 11 Biology to develop the Biology Class 11 worksheet. After solving the questions given in the practice sheet which have been developed as per the latest course books also refer to the NCERT solutions for Class 11 Biology designed by our teachers. After solving these you should also refer to Class 11 Biology MCQ Test for the same chapter. We have also provided a lot of other Worksheets for Class 11 Biology which you can use to further make yourself better in Biology.

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