Select the false statement ? a. CAM cycle occurs in Mesophyll cells b. C3 plants are more efficient in photosynthesis than C4 plants c. Pineapple is CAM plant d. Maize is C4 plant

Select the false statement ?
a. CAM cycle occurs in Mesophyll cells
b. C3 plants are more efficient in photosynthesis than C4 plants
c. Pineapple is CAM plant
d. Maize is C4 plant
by

1 Answer

Answer :

b. C3 plants are more efficient in photosynthesis than C4 plants
by

Related questions

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

Description : 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

Last Answer : d) lower rate of photorespiration.

A plant in your garden avoids photorespiratory losses, has improved water use efficiency, shows high rates of photosynthesis at high temperatures and has improved efficiency of nitrogen utilisation. In which of the following physiological groups would you assign this plant? (a) CAM (b) Nitrogen fixer (c) C3 (d) C4

Description : A plant in your garden avoids photorespiratory losses, has improved water use efficiency, shows high rates of photosynthesis at high temperatures and has improved efficiency of nitrogen utilisation. In which of the following ... you assign this plant? (a) CAM (b) Nitrogen fixer (c) C3 (d) C4

Last Answer : d) C4

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.

Description : 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. ( ... for higher yield. (d) Light saturation for CO2 fixation occurs at 10% of full sunlight.

Last Answer : (b) C3 plants respond to higher temperature with enhanced photosynthesis while C4 plants have much lower temperature optimum

Photo-respiration rate is highest in which group of plants? (A) C3 plants (B) CAM plants (C)C4 plants (D) None of these

Description : Photo-respiration rate is highest in which group of plants? (A) C3 plants (B) CAM plants (C)C4 plants (D) None of these

Last Answer : (A) C3 plants

The plants which open their stomata during night for taking CO4 are known as (A) C3 (B) CAM (C)C4 (D) All of above

Description : The plants which open their stomata during night for taking CO4 are known as (A) C3 (B) CAM (C)C4 (D) All of above

Last Answer : (B) CAM

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

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

Last Answer : (a) C4 plants

Which pair is wrong? (a) C3-maize (b) C4-kranz anatomy (c) Calvin cycle-PGA (d) Hatch and Slack cycle - OAA

Description : Which pair is wrong? (a) C3-maize (b) C4-kranz anatomy (c) Calvin cycle-PGA (d) Hatch and Slack cycle - OAA

Last Answer : (a) C3-maize

In the mesophyll cells of CAM plants, `CO_(2)` fixation during the night day occurs through

Description : In the mesophyll cells of CAM plants, `CO_(2)` fixation during the night day occurs through

Last Answer : In the mesophyll cells of CAM plants, `CO_(2)` fixation during the night day occurs ... carboxylase D. Both RuBP carboxylase and PEP carboxylase

In the leaves of C4 plants, malic acid formation during CO2 fixation occurs in the cells of (a) bundle sheath (b) phloem (c) epidermis (d) mesophyll.

Description : In the leaves of C4 plants, malic acid formation during CO2 fixation occurs in the cells of (a) bundle sheath (b) phloem (c) epidermis (d) mesophyll.

Last Answer : (d) mesophyll.

In leaves of C4 plants, malic acid synthesis during CO2 fixation occurs in (a) bundle sheath (b) guard cells (c) epidermal cells (d) mesophyll cells

Description : In leaves of C4 plants, malic acid synthesis during CO2 fixation occurs in (a) bundle sheath (b) guard cells (c) epidermal cells (d) mesophyll cells

Last Answer : (d) mesophyll cells.

The C4 plants are photosynthetically more efficient than C3 plants because (a) the CO2 efflux is not prevented (b) they have more chloroplasts (c) the CO2 compensation point is more (d) CO2 generated during photorespiration is trapped and recycled through PEP carboxylase.

Description : The C4 plants are photosynthetically more efficient than C3 plants because (a) the CO2 efflux is not prevented (b) they have more chloroplasts (c) the CO2 compensation point is more (d) CO2 generated during photorespiration is trapped and recycled through PEP carboxylase.

Last Answer : (b) they have more chloroplasts

The CO2 fixation during C4 pathway occurs in the chloroplast of (a) guard cells (b) bundle sheath cells (c) mesophyll cells (d) spongy parenchyma.

Description : The CO2 fixation during C4 pathway occurs in the chloroplast of (a) guard cells (b) bundle sheath cells (c) mesophyll cells (d) spongy parenchyma.

Last Answer : (c) mesophyll cells

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

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

Last Answer : (d) photorespiration.

A process that makes important difference between C3 and C4 plants is (1) Photorespiration (2) Transpiration (3) Glycolysis (4) Photosynthesis

Description : A process that makes important difference between C3 and C4 plants is (1) Photorespiration (2) Transpiration (3) Glycolysis (4) Photosynthesis

Last Answer : (1) Photorespiration

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.

Description : 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.

Last Answer : (a) stroma of bundle sheath chloroplasts

In C4 plants, CO2 fixation is done by (a) sclerenchyma (b) chlorenchyma and hypodermis (c) mesophyll cells (d) guard cells.

Description : In C4 plants, CO2 fixation is done by (a) sclerenchyma (b) chlorenchyma and hypodermis (c) mesophyll cells (d) guard cells.

Last Answer : (c) mesophyll cells

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.

Description : 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.

Last Answer : (c) It is a characteristic of C4 plants

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

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

Last Answer : (c) photorespiration

CO2 acceptor in the mesophyll cells of a C4 plant is -Biology

Description : CO2 acceptor in the mesophyll cells of a C4 plant is -Biology

Last Answer : answer:

Which of the following is correct about the photorespiration? a. Photorespiration is more efficient in synthesizing glucose than photosynthesis. b. C3 plants are best adapted to handle c. Photorespiration is likely to occur when oxygen level is high and CO2 level is d. During photorespiration plants use oxygen to break down carbohydrates and release e. All of these

Description : Which of the following is correct about the photorespiration? a. Photorespiration is more efficient in synthesizing glucose than photosynthesis. b. C3 plants are best adapted to handle c. ... During photorespiration plants use oxygen to break down carbohydrates and release e. All of these

Last Answer : c. Photorespiration is likely to occur when oxygen level is high and CO2 level is

As compared to a C3-plant, how many additional molecules of ATP are needed for net production of one molecule of hexose sugar by C4-plants? (a) Two (b) Six (c) Twelve (d) Zero

Description : As compared to a C3-plant, how many additional molecules of ATP are needed for net production of one molecule of hexose sugar by C4-plants? (a) Two (b) Six (c) Twelve (d) Zero

Last Answer : (c) Twelve

Differences between C3 cycles and C4 cycle. -Biology

Description : Differences between C3 cycles and C4 cycle. -Biology

Last Answer : answer:

Photosynthesis in C4 plants is relatively less limited by atmospheric CO2 levels because (a) effective pumping of CO2 into bundle sheath cells (b) RuBisCO in C4 plants has higher affinity for CO2 (c) four carbon acids are the primary initial CO2 fixation products (d) the primary fixation of CO2 is mediated via PEP carboxylase. (2005) 65. In sugarcane plant

Description : Photosynthesis in C4 plants is relatively less limited by atmospheric CO2 levels because (a) effective pumping of CO2 into bundle sheath cells (b) RuBisCO in C4 plants has higher affinity for CO2 (c ... d) the primary fixation of CO2 is mediated via PEP carboxylase. (2005) 65. In sugarcane plant

Last Answer : (d) the primary fixation of CO2 is mediated via PEP carboxylase.

C4 plants normally give more biological yield than C3 plants because of

Description : C4 plants normally give more biological yield than C3 plants because of

Last Answer : Ans. Less respiration

The photosynthetic rate of C4 is …….. than C3 plants

Description : The photosynthetic rate of C4 is …….. than C3 plants

Last Answer : Ans. Low

The water use efficiency of C4 is …….. than C3 plants

Description : The water use efficiency of C4 is …….. than C3 plants

Last Answer : Ans. High

Select the correct statement: (1) C4 pathway for. CO2 fixation were discovered by Hatch and Slack (2) CO2 is essential for photosynthesis (3) Addition of sodium carbonate in water retards photosynthetic rate in vallisneria (4) Phloem is the principal pathway for translocation of solutes

Description : Select the correct statement: (1) C4 pathway for. CO2 fixation were discovered by Hatch and Slack (2) CO2 is essential for photosynthesis (3) Addition of sodium carbonate in water retards photosynthetic rate in vallisneria (4) Phloem is the principal pathway for translocation of solutes

Last Answer : Ans. ((c))

C4 plant normaly produce more biological yield than C3 plant because of: (A) More photorespiration (B) Less photorespiration (C) Less photophosphorylation (D) More photophosphorylation

Description : C4 plant normaly produce more biological yield than C3 plant because of: (A) More photorespiration (B) Less photorespiration (C) Less photophosphorylation (D) More photophosphorylation

Last Answer : (B) Less photorespiration

Compare between the anatomy of leaf in C3 and C4 plants. -Biology

Description : Compare between the anatomy of leaf in C3 and C4 plants. -Biology

Last Answer : answer:

Under what conditions are C4 plants superior to C3 plants? -Biology

Description : Under what conditions are C4 plants superior to C3 plants? -Biology

Last Answer : answer:

Phosphoenol pyruvate (PEP) is the primary CO2 acceptor in (a) C4 plants (b) C2 plants (c) C3 and C4 plants (d) C3 plants.

Description : Phosphoenol pyruvate (PEP) is the primary CO2 acceptor in (a) C4 plants (b) C2 plants (c) C3 and C4 plants (d) C3 plants.

Last Answer : (a) C4 plants

Which compound act as co2 accepter in c3 and c4 plant -Biology

Description : Which compound act as co2 accepter in c3 and c4 plant -Biology

Last Answer : answer:

Which compound act as co2 accepter in c3 and c4 plant -Biology

Description : Which compound act as co2 accepter in c3 and c4 plant -Biology

Last Answer : answer:

The source of oxygen generated during photosynthesis is: (1) water (2) carbon dioxide (3) chlorophyll (4) mesophyll cells

Description : The source of oxygen generated during photosynthesis is: (1) water (2) carbon dioxide (3) chlorophyll (4) mesophyll cells

Last Answer : (1) water Explanation: The source of oxygen produced during photosynthesis is the splitting of water molecule into hydrogen and oxygen. Photosynthesis uses carbon dioxide and water, releasing ... inside organelles called chloroplasts, while in bacteria they are embedded in the plasma membrane.

The source of oxygen generated during photosynthesis is : (1) water (2) carbon dioxide (3) chlorophyll (4) mesophyll cells

Description : The source of oxygen generated during photosynthesis is : (1) water (2) carbon dioxide (3) chlorophyll (4) mesophyll cells

Last Answer : water

___is the example of CAM plant (Century plant). (A) Pineapple (B) Coconut (C) Sunflower (D) Watermelon

Description : ___is the example of CAM plant (Century plant). (A) Pineapple (B) Coconut (C) Sunflower (D) Watermelon

Last Answer : (A) Pineapple

What are the differences between C3 and C4 photosynthetic pathways? -Biology

Description : What are the differences between C3 and C4 photosynthetic pathways? -Biology

Last Answer : answer:

Name the two important enzymes of C3 and C4 pathway? -Biology

Description : Name the two important enzymes of C3 and C4 pathway? -Biology

Last Answer : answer:

Glycine gives __________ atoms of purine. (A) C2, C3 (B) C4, C5 and N7 (C) C4, C5 and N9 (D) C4, C6 and N7

Description : Glycine gives __________ atoms of purine. (A) C2, C3 (B) C4, C5 and N7 (C) C4, C5 and N9 (D) C4, C6 and N7

Last Answer : Answer : B

The carbon of the pentose in ester linkage with the phosphate in a nucleotide structure is (A) C1 (B) C3 (C) C4 (D) C5

Description : The carbon of the pentose in ester linkage with the phosphate in a nucleotide structure is (A) C1 (B) C3 (C) C4 (D) C5

Last Answer : Answer : D

Anomers of D-glucopyranose differ in their stereochemistry at __________. (a) C1 (b) C2 (c) C3 (d) C4

Description : Anomers of D-glucopyranose differ in their stereochemistry at __________. (a) C1 (b) C2 (c) C3 (d) C4

Last Answer : C1

There are six cars numbered as C1, C2, C3, C4, C5 and C6 participating in a race. The results are as follows: C2 does not win. Two cars are in between C4 and C5. C1 is behind C4 and C5. C2 is ahead of C5 with one car intervening. C6 is ahead of C4. If C4 is disqualified, then C2 finishes the race at which position? a) 2 b) 3 c) 1 d) 4

Description : There are six cars numbered as C1, C2, C3, C4, C5 and C6 participating in a race. The results are as follows: C2 does not win. Two cars are in between C4 and C5. C1 is behind C4 and C5. C2 is ahead of C5 ... C4. If C4 is disqualified, then C2 finishes the race at which position? a) 2 b) 3 c) 1 d) 4

Last Answer : Ans: option (a)

There are six cars numbered as C1, C2, C3, C4, C5 and C6 participating in a race. The results are as follows: C2 does not win. Two cars are in between C4 and C5. C1 is behind C4 and C5. C2 is ahead of C5 with one car intervening. C6 is ahead of C4. Which car comes in the first place? a) C1 b) C2 c) C3 d) C6

Description : There are six cars numbered as C1, C2, C3, C4, C5 and C6 participating in a race. The results are as follows: C2 does not win. Two cars are in between C4 and C5. C1 is behind C4 and C5. C2 is ahead of C5 ... intervening. C6 is ahead of C4. Which car comes in the first place? a) C1 b) C2 c) C3 d) C6

Last Answer : Ans: option (d)

Which one of the following is a C3 plant? (A)Wheat (B) Maize (C) Pearlmillet (D) Sorghum

Description : Which one of the following is a C3 plant? (A)Wheat (B) Maize (C) Pearlmillet (D) Sorghum

Last Answer : (A)Wheat

Which one of the plant is the C4 plant? (A) Maize (B) Potato (C) Pea (D) Papaya

Description : Which one of the plant is the C4 plant? (A) Maize (B) Potato (C) Pea (D) Papaya

Last Answer : (A) Maize

Which one is a C4-plant? (a) Papaya (b) Pea (c) Potato (d) Maize/corn

Description : Which one is a C4-plant? (a) Papaya (b) Pea (c) Potato (d) Maize/corn

Last Answer : (d) Maize/corn

Grass leaves curl inwards during very dry weather. Select the most appropriate reason from the following. (a) Tyloses in vessels (b) Closure of stomata (c) Flaccidity of bulliform cells (d) Shrinkage of air spaces in spongy mesophyll

Description : Grass leaves curl inwards during very dry weather. Select the most appropriate reason from the following. (a) Tyloses in vessels (b) Closure of stomata (c) Flaccidity of bulliform cells (d) Shrinkage of air spaces in spongy mesophyll

Last Answer : (c) Flaccidity of bulliform cells

Inhibition of photosynthesis in the presence of O2 in C3 plants is called- (1) Hexose monophosphate shunt (2) Pasteur effect (3) Decker effect (4) Warburg effect

Description : Inhibition of photosynthesis in the presence of O2 in C3 plants is called- (1) Hexose monophosphate shunt (2) Pasteur effect (3) Decker effect (4) Warburg effect

Last Answer : (4) Warburg effect Explanation: An increase in the oxygen concentration in many plants results in a decrease in the rate of photosynthesis. This phenomenon of the inhibition of photosynthesis by O2 was first ... known to occur in C3 plants (Soyabean) and C4 plants (Sorghum, Maize, Sugarcane), etc.

In C3 plants, the first stable product of photosynthesis during the dark reaction is (a) malic acid (b) oxaloacetic acid (c) 3-phosphoglyceric acid (d) phosphoglyceraldehyde.

Description : In C3 plants, the first stable product of photosynthesis during the dark reaction is (a) malic acid (b) oxaloacetic acid (c) 3-phosphoglyceric acid (d) phosphoglyceraldehyde.

Last Answer : (c) 3-phosphoglyceric acid

Inhibition of photosynthesis in the presence of O2 in C3 plants is called : (1) Hexose monophosphate shunt (2) Pasteur effect (3) Decker effect (4) Warburg effect

Description : Inhibition of photosynthesis in the presence of O2 in C3 plants is called : (1) Hexose monophosphate shunt (2) Pasteur effect (3) Decker effect (4) Warburg effect

Last Answer : Warburg effect