CBSE Class 11 Biology Photosynthesis In Higher Plants Worksheet Set A

Read and download free pdf of CBSE Class 11 Biology Photosynthesis In Higher Plants Worksheet Set A. Students and teachers of Class 11 Biology can get free printable Worksheets for Class 11 Biology Chapter 13 Photosynthesis in Higher Plants in PDF format prepared as per the latest syllabus and examination pattern in your schools. Class 11 students should practice questions and answers given here for Biology in Class 11 which will help them to improve your knowledge of all important chapters and its topics. Students should also download free pdf of Class 11 Biology Worksheets prepared by school teachers as per the latest NCERT, CBSE, KVS books and syllabus issued this academic year and solve important problems with solutions on daily basis to get more score in school exams and tests

Worksheet for Class 11 Biology Chapter 13 Photosynthesis in Higher Plants

Class 11 Biology students should refer to the following printable worksheet in Pdf for Chapter 13 Photosynthesis in Higher Plants in Class 11. This test paper with questions and answers for Class 11 will be very useful for exams and help you to score good marks

Class 11 Biology Worksheet for Chapter 13 Photosynthesis in Higher Plants

THE INDIAN HEIGHTS SCHOOL

Worksheet

Class XI

Biology

Photosynthesis in Higher Plants

NAME- DATE- 10.9.13

SECTION -A

Q1. In which organelle does photosynthesis take place?

Q2. Why does chlorophyll appear green?

Q3. Which chlorophyll is termed as universal photosynthetic pigment?

Q4. Which type of chlorophyll absorbs 680nm wavelength of light and is present in photosystem II?

Q5. Which is CO2 acceptor in C3 plant?

SECTION-B

Q1. Differentiate between chlorophyll a and chlorophyll b.

Q2. What is photosystem? Which is the pigment that acts as reaction centre?

Q3. What is photophosphorylation? Where does it occur in the leaves?

Q4. What is the significance of photorespiration?

Q5. Which would happen to the rate of photosynthesis in C3 plants if the CO2 concentration level almost doubles from its present level in atmosphere?

SECTION -C

Q1. Where does cyclic photophosphorylation take place in the leaves? Explain the events in sequence. Why is this process called cyclic?

Q2. Tabulate the difference between C3 and C4 cycle.

Q3. What is the law of limiting factors? Explain this with a suitable example.

SECTION –D

Q1. Describe carbon reactions of the C3 pathway. Does this pathway also operate in C4 plants?

Q2. What is C4 pathway? Explain its significance.

 

Important Questions for NCERT Class 11 Biology Photosynthesis in Higher Plants

Ques. The first carbon dioxide acceptor in C4-plants is
(a) phosphoenol-pyruvate
(b) ribulose 1, 5-diphosphate
(c) oxaloacetic acid
(d) phosphoglyceric acid.

Answer: A

Ques. Kranz anatomy is typical of
(a) C4 plants (b) C3 plants
(c) C2 plants (d) CAM plants. 

Answer: A

Ques. In C4 plants, Calvin cycle operates in
(a) stroma of bundle sheath chloroplasts
(b) grana of bundle sheath chloroplasts
(c) grana of mesophyll chloroplasts
(d) stroma of mesophyll chloroplasts. 

Answer: A

Ques. The oxygenation activity of RuBisCO enzyme in photorespiration leads to the formation of
(a) 2 molecules of 3-C compound
(b) 1 molecule of 3-C compound
(c) 1 molecule of 6-C compound
(d) 1 molecule of 4-C compound and 1 molecule of 2-C compound 

Answer: B

Ques. The process which makes major difference between C3 and C4 plants is
(a) glycolysis (b) Calvin cycle
(c) photorespiration (d) respiration.

Answer: C

Ques. A process that makes important difference between C3 and C4 plants is
(a) transpiration (b) glycolysis
(c) photosynthesis (d) photorespiration.

Answer: D

Ques. The correct sequence of cell organelles during photorespiration is
(a) chloroplast, Golgi-bodies, mitochondria
(b) chloroplast, rough endoplasmic reticulum, dictyosomes
(c) chloroplast, mitochondria, peroxisome
(d) chloroplast, vacuole, peroxisome.

Answer: C

Ques. C4 plants are more efficient in photosynthesis than C3 plants due to
(a) higher leaf area
(b) presence of larger number of chloroplasts in the leaf cells
(c) presence of thin cuticle
(d) lower rate of photorespiration. 

Answer: D

Ques. During photorespiration, the oxygen consuming reaction(s) occur in
(a) stroma of chloroplasts
(b) stroma of chloroplasts and mitochondria
(c) stroma of chloroplasts and peroxisomes
(d) grana of chloroplasts and peroxisomes. 

Answer: C

Ques. Which one of the following is wrong in relation to photorespiration?
(a) It occurs in chloroplast.
(b) It occurs in day time only.
(c) It is a characteristic of C4 plants.
(d) It is a characteristic of C3 plants. 

Answer: C

Ques. Photorespiration is favoured by
(a) high temperature and low O2
(b) high humidity and temperature
(c) high O2 and low CO2
(d) high CO2 and low O2. 

Answer: C

Ques. The substrate for photorespiration is
(a) phosphoglyceric acid
(b) glycolate
(c) serine
(d) glycine. 

Answer: B

Ques. With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct?
(a) Increasing atmospheric CO2 concentration up to 0.05% can enhance CO2 fixation rate.
(b) C3 plants respond to higher temperature with enhanced photosynthesis while C4 plants have much lower temperature optimum.
(c) Tomato is a greenhouse crop which can be grown in CO2-enriched atmosphere for higher yield.
(d) Light saturation for CO2 fixation occurs at 10% of full sunlight.

Answer: B

Ques. Plants adapted to low light intensity have
(a) larger photosynthetic unit size than the sun plants
(b) higher rate of CO2 fixation than the sun plants
(c) more extended root system
(d) leaves modified to spines. 

Answer: A

Ques. The rate of photosynthesis is higher in
(a) very high light (b) continuous light
(c) red light (d) green light.

Answer: C

Ques. ‘The law of limiting factors’ was proposed by
(a) Leibig (b) Hatch and Slack
(c) Blackman (d) Arnon. 

Answer: C

Ques. At a temperature above 35ºC
(a) rate of photosynthesis will decline earlier than that of respiration
(b) rate of respiration will decline earlier than that of photosynthesis
(c) there is no fixed pattern
(d) both decline simultaneously. 

Answer: A

Ques. During monsoon, the rice crop of eastern states of India shows lesser yield due to limiting factor of
(a) CO2 (b) light
(c) temperature (d) water.

Answer: B

Chapter 05 Morphology of Flowering Plants
CBSE Class 11 Biology Morphology of Flowering Plants Worksheet
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CBSE Class 11 Biology Structural Organisation In Animals Worksheet
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CBSE Class 11 Biology Chapter 13 Photosynthesis in Higher Plants Worksheet

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