The primary acceptor of CO2 in C4 cycle is? -Biology

The primary acceptor of CO2 in C4 cycle is? -Biology
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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

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 is the first CO2 acceptor enzyme in C4 plants? (a) RuDP carboxylase (b) Phosphoric acid (c) RuBisCO (d) PEP- carboxylase

Description : Which is the first CO2 acceptor enzyme in C4 plants? (a) RuDP carboxylase (b) Phosphoric acid (c) RuBisCO (d) PEP- carboxylase

Last Answer : (d) PEP- carboxylase

Name the primary acceptor of CO2 in C3 cycle. -Biology

Description : Name the primary acceptor of CO2 in C3 cycle. -Biology

Last Answer : answer:

The primary acceptor, during CO2 fixation in C3 plants, is (a) phosphoenolpyruvate (PEP) (b) ribulose 1, 5-diphosphate (RuDP) (c) phosphoglyceric acid (PGA) (d) ribulose monophosphate (RMP).

Description : The primary acceptor, during CO2 fixation in C3 plants, is (a) phosphoenolpyruvate (PEP) (b) ribulose 1, 5-diphosphate (RuDP) (c) phosphoglyceric acid (PGA) (d) ribulose monophosphate (RMP).

Last Answer : (b) ribulose 1, 5-diphosphate (RuDP)

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

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

Last Answer : (a) phosphoenol-pyruvate

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.

Which is CO2 acceptor in C3 plant? -Biology

Description : Which is CO2 acceptor in C3 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:

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:

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))

First CO2 receptor in C4 plants is: (a) PGA (b) PEP (c) RuBD (d) OAA

Description : First CO2 receptor in C4 plants is: (a) PGA (b) PEP (c) RuBD (d) OAA

Last Answer : Ans. ((b))

The most important enzyme involved in photosynthetic CO2 fixation in C4 plants

Description : The most important enzyme involved in photosynthetic CO2 fixation in C4 plants

Last Answer : Ans. PEP carboxylase

CO2 accepter in C4 plants is (A) PGA (B) RuBP (C)OAA (D) All

Description : CO2 accepter in C4 plants is (A) PGA (B) RuBP (C)OAA (D) All

Last Answer : (C)OAA

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

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

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

In C4 plants, CO2 combines with (a) phosphoenol pyruvate (b) phosphoglyceraldehyde (c) phosphoglyceric acid (d) ribulose diphosphate.

Description : In C4 plants, CO2 combines with (a) phosphoenol pyruvate (b) phosphoglyceraldehyde (c) phosphoglyceric acid (d) ribulose diphosphate.

Last Answer : (a) phosphoenol pyruvate

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

Who proposed C4 Cycle? -Biology

Description : Who proposed C4 Cycle? -Biology

Last Answer : answer:

Differences between C3 cycles and C4 cycle. -Biology

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

Last Answer : answer:

First product formed after carboxylation in C4 cycle. -Biology

Description : First product formed after carboxylation in C4 cycle. -Biology

Last Answer : answer:

Enzyme involved in carboxylation in C4 cycle is? -Biology

Description : Enzyme involved in carboxylation in C4 cycle is? -Biology

Last Answer : In C4 plants the initial carboxylation is catalyzed by PEP carboxylase (orthophos- phate: oxaloacetate carboxylase phosphorylating - E. C. 4.1. 1.

The carbon dioxide acceptor in Calvin cycle/ `C_(3)`- plants is

Description : The carbon dioxide acceptor in Calvin cycle/ `C_(3)`- plants is

Last Answer : The carbon dioxide acceptor in Calvin cycle/ `C_(3)`- plants is A. PEP B. RuBP C. PGA D. NADP

In Krebs’ cycle, the FAD precipitates as electron acceptor during the conversion of (a) fumaric acid to malic acid (b) succinic acid to fumaric acid (c) succinyl CoA to succinic acid (d) α-ketoglutarate to succinyl CoA.

Description : In Krebs’ cycle, the FAD precipitates as electron acceptor during the conversion of (a) fumaric acid to malic acid (b) succinic acid to fumaric acid (c) succinyl CoA to succinic acid (d) α-ketoglutarate to succinyl CoA.

Last Answer : (b) succinic acid to fumaric acid

The carbon dioxide acceptor in Calvin cycle/ C3-plants is (a) phosphoenol pyruvate (PEP) (b) ribulose 1, 5-diphosphate (RuDP) (c) phosphoglyceric acid (PGA) (d) ribulose monophosphate (RMP).

Description : The carbon dioxide acceptor in Calvin cycle/ C3-plants is (a) phosphoenol pyruvate (PEP) (b) ribulose 1, 5-diphosphate (RuDP) (c) phosphoglyceric acid (PGA) (d) ribulose monophosphate (RMP).

Last Answer : (b) ribulose 1, 5-diphosphate (RuDP)

Primary electron acceptor of PS-II is

Description : Primary electron acceptor of PS-II is

Last Answer : Primary electron acceptor of PS-II is A. Pheophytin B. Ferredoxin C. PQ D. PC

Phosphoenol pyruvate (PEP) is the primary CO 2 acceptor in: (1) C 4 plants (2) C 2 plants (3) C 3 and C 4 plants (4) C 3 plants

Description : Phosphoenol pyruvate (PEP) is the primary CO 2 acceptor in: (1) C 4 plants (2) C 2 plants (3) C 3 and C 4 plants (4) C 3 plants

Last Answer : (1) C 4 plants

C4 cycle is also known as

Description : C4 cycle is also known as

Last Answer : Ans. Hatch and slack pathway

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

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

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

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

Description : 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

Last Answer : b. C3 plants are more efficient in photosynthesis than C4 plants

Which of the following anzymes is involved in the primary carboxylation in C4 plants? (a) RUBP Carboxylase (b) PEP(c) Oxygenase (d) Carboxylase

Description : Which of the following anzymes is involved in the primary carboxylation in C4 plants? (a) RUBP Carboxylase (b) PEP(c) Oxygenase (d) Carboxylase

Last Answer : (b) PEP

First product formed when CO2 is fixed during dark reaction in C3 cycle. -Biology

Description : First product formed when CO2 is fixed during dark reaction in C3 cycle. -Biology

Last Answer : answer:

What is the final electron acceptor in aerobic respiration? -Biology

Description : What is the final electron acceptor in aerobic respiration? -Biology

Last Answer : answer:

What is the final electron acceptor in the light dependent reaction of photosynthesis? -Biology

Description : What is the final electron acceptor in the light dependent reaction of photosynthesis? -Biology

Last Answer : answer:

Name some C4 plants. -Biology

Description : Name some C4 plants. -Biology

Last Answer : Examples of C4 Plants Examples of C4 species are the economically important crops corn or maize (Zea mays), sugarcane (Saccharum officinarum), sorghum (Sorghum bicolor), and millets, as well as the switchgrass (Panicum virganum) which has been utilized as a source of biofuel.

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:

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:

What special anatomical features are displayed by leaves of C4 plants? -Biology

Description : What special anatomical features are displayed by leaves of C4 plants? -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:

Why does not photorespiration take place in C4 plants? -Biology

Description : Why does not photorespiration take place in C4 plants? -Biology

Last Answer : Photorespiration occurs due to the oxygenase activity of RuBisCO. When the concentration of O2 is high, RuBisCO binds to oxygen and carries out photorespiration. C4 plants have a mechanism of maintaining high CO2 concentration at the enzyme site, thus photorespiration does not occur

What are C4 Plants? -Biology

Description : What are C4 Plants? -Biology

Last Answer : C4 plants are plants which cycle carbon dioxide to 4-carbon sugar compounds in order to enter the C3 or the Calvin cycle. The C4 plants are very productive in climatic conditions that are hot and dry and produce a lot of energy.

What is C4 pathway in plants? -Biology

Description : What is C4 pathway in plants? -Biology

Last Answer : answer:

Examples of C4 plants -Biology

Description : Examples of C4 plants -Biology

Last Answer : Examples of C4 plants include corn, sorghum, sugarcane, millet, and switchgrass. However, the C4 anatomical and biochemical adaptations require additional plant energy and resources than C3 ... and so in cooler environments, C3 plants are typically more photosynthetically efficient and productive.

Along with CO2, NH3 and ATP, the amino acid that is needed in urea cycle is (A) Alanine (B) Isoleucine (C) Aspartate (D) Glycine

Description : Along with CO2, NH3 and ATP, the amino acid that is needed in urea cycle is (A) Alanine (B) Isoleucine (C) Aspartate (D) Glycine

Last Answer : Answer : C