The site for light reaction of photosynthesis is: (b) Grana (b) Stoma (c) ER (d) Cytoplasm

The site for light reaction of photosynthesis is: (b) Grana (b) Stoma (c) ER (d) Cytoplasm
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Ans. ((a))
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Which one of the following cellular parts is correctly described? (a) Thylakoids - flattened membranous sacs forming the grana of chloroplasts (b) Centrioles - sites for active RNA synthesis (c) Ribosomes - those on chloroplasts are larger (80S) while those in the cytoplasm are smaller (70S) (d) Lysosomes - optimally active at a pH of about 8.5

Description : Which one of the following cellular parts is correctly described? (a) Thylakoids - flattened membranous sacs forming the grana of chloroplasts (b) Centrioles - sites for active RNA synthesis (c) Ribosomes - ... cytoplasm are smaller (70S) (d) Lysosomes - optimally active at a pH of about 8.5

Last Answer : (a) Thylakoids - flattened membranous sacs forming the grana of chloroplasts

In the bacteria: (1) Mesosome is present (2) Nucleoid represents the genome (3) Ribosomes are found in cytoplasm (4) Histone proteins complexed with DNA

Description : In the bacteria: (1) Mesosome is present (2) Nucleoid represents the genome (3) Ribosomes are found in cytoplasm (4) Histone proteins complexed with DNA

Last Answer : Ans. ((a))

Cell sap is found inside a. Protoplasm b. Cytoplasm c. Nucleoplasm d. Vacuole

Description : Cell sap is found inside a. Protoplasm b. Cytoplasm c. Nucleoplasm d. Vacuole

Last Answer : d. Vacuole

Moll’s experiment explains that (a) Carbon dioxide is essential for photosynthesis (b) Chlorophyll and water are necessary for photosynthesis (c) Light and water are essential for photosynthesis (d) All of the above are correct

Description : Moll’s experiment explains that (a) Carbon dioxide is essential for photosynthesis (b) Chlorophyll and water are necessary for photosynthesis (c) Light and water are essential for photosynthesis (d) All of the above are correct

Last Answer : Ans. ((a))

Which cell organelle is the site of photosynthesis and also contains chlorophyll? (1) chloroplasts (2) vacuole (3) cytoplasm (4) nucleolus

Description : Which cell organelle is the site of photosynthesis and also contains chlorophyll? (1) chloroplasts (2) vacuole (3) cytoplasm (4) nucleolus

Last Answer : (1) chloroplasts Explanation: Chloroplast, found in plant cells, is the site of photosynthesis in plants to prepare food (glucose) for the plant with the use of energy. It is a green ... a and b that absorb visible light energy and convert it to usable chemical energy in photosynthesis.

Which cell organelle is the site of photosynthesis and also contains chlorophyll? (1) chloroplasts (2) vacuole (3) cytoplasm (4) nucleolus

Description : Which cell organelle is the site of photosynthesis and also contains chlorophyll? (1) chloroplasts (2) vacuole (3) cytoplasm (4) nucleolus

Last Answer : chloroplasts

What is photosynthesis ?

Description : What is photosynthesis ?

Last Answer : The process by which green plants prepare sugary foods with carbon dioxide and water in the presence of sunlight is called photosynthesis.

What do plants leave during photosynthesis ?

Description : What do plants leave during photosynthesis ?

Last Answer : Plants release oxygen during photosynthesis.

Which of the following works in photosynthesis of plants ?

Description : Which of the following works in photosynthesis of plants ?

Last Answer : Chlorophyll works in photosynthesis of plants.

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))

The shade of a tree is cooler than the shade of a roof due to: (a) Respiration (b) Photosynthesis (c) Transpiration (d) Guttation

Description : The shade of a tree is cooler than the shade of a roof due to: (a) Respiration (b) Photosynthesis (c) Transpiration (d) Guttation

Last Answer : Ans. ((c))

Criticize the following statement: Plants carry on photosynthesis; animals carry on respiration instead.

Description : Criticize the following statement: Plants carry on photosynthesis; animals carry on respiration instead.

Last Answer : This is an incorrect view. Both plants and animals carry on respiration as a major source of energy for vital functions. Only plants, however, are also capable of carrying out photosynthesis. The ... will determine whether there is a net uptake of O2 or CO2 from a particular plant region. 

Potential energy is produced during a.Photorespiration b.Respiration c.Photosynthesis d.ATP synthesis

Description : Potential energy is produced during a.Photorespiration b.Respiration c.Photosynthesis d.ATP synthesis

Last Answer : c.Photosynthesis

Ozone hole causes a) Global warming b) Reduction in the rate of photosynthesis c) More UV rays come to earth d) All the above.

Description : Ozone hole causes a) Global warming b) Reduction in the rate of photosynthesis c) More UV rays come to earth d) All the above.

Last Answer : c) More UV rays come to earth

Main function of biofertilizer is a) To increase chemical process b) To increase physiological process c) To increase biological process d) To increase photosynthesis process

Description : Main function of biofertilizer is a) To increase chemical process b) To increase physiological process c) To increase biological process d) To increase photosynthesis process 

Last Answer : c) To increase biological process 

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.

Description : 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.

Last Answer : (c) stroma of chloroplasts and peroxisomes

Within chloroplasts, light is captured by (A) Grana within cisternae (B) Thylakoids within grana (C) Cisternae within grana (D) Grana within thylakoids

Description : Within chloroplasts, light is captured by (A) Grana within cisternae (B) Thylakoids within grana (C) Cisternae within grana (D) Grana within thylakoids

Last Answer : (B) Thylakoids within grana

Can a person with a stoma go swimming?

Description : Can a person with a stoma go swimming?

Last Answer : Yes you can go swimming. No the water won't get in for the same reason the faeces doesn't come out (assuming you've placed the stoma bag well - there is a bit of knack to that). You would ... get away with a standard one. You can also get special swimwear with a higher waist band to hide the stoma.

When irrigating a colostomy, the nurse lubricates the catheter and gently inserts it into the stoma no more than _______ inches a) 3” The nurse should insert the catheter no more than 3 inches. b) 2” Insertion of the catheter 2 inches is inadequate. c) 4” Insertion of the catheter 4 inches is excessive and not recommended. d) 5” Insertion of the catheter 5 inches is excessive and not recommended.

Description : When irrigating a colostomy, the nurse lubricates the catheter and gently inserts it into the stoma no more than _______ inches a) 3 The nurse should insert the catheter no more than 3 inches. b ... and not recommended. d) 5 Insertion of the catheter 5 inches is excessive and not recommended.

Last Answer : a) 3” The nurse should insert the catheter no more than 3 inches.

Of the following bariatric surgical procedures, which is the best procedure for long-term weight loss? a) Roux-en-Y The Roux-en-Y gastric bypass is the recommended procedure for longterm weight loss. In this procedure, a horizontal row of staples creates a stomach pouch with a 1-cm stoma that is anastomosed with a portion of distal jejunum, creating a gastroenterostomy.

Description : Of the following bariatric surgical procedures, which is the best procedure for long-term weight loss? a) Roux-en-Y The Roux-en-Y gastric bypass is the recommended procedure ... This procedure, which resulted in significant complications, has been largely replaced by gastric restriction procedures

Last Answer : a) Roux-en-Y The Roux-en-Y gastric bypass is the recommended procedure for longterm weight loss. In this procedure, a horizontal row of staples creates a stomach pouch with a 1-cm stoma that is anastomosed with a portion of distal jejunum, creating a gastroenterostomy.

When the patient who has undergone laryngectomy suffers wound breakdown, the nurse monitors him very carefully because he is identified as being at high risk for a) carotid artery hemorrhage. The carotid artery lies close to the stoma and may rupture from erosion if the wound does not heal properly. b) pulmonary embolism. Pulmonary embolism is associated with immobility. c) dehydration. Dehydration may lead to poor wound healing and breakdown. d) pneumonia. Pneumonia is a risk for any postoperative patient.

Description : When the patient who has undergone laryngectomy suffers wound breakdown, the nurse monitors him very carefully because he is identified as being at high risk for a) carotid artery hemorrhage. The ... poor wound healing and breakdown. d) pneumonia. Pneumonia is a risk for any postoperative patient.

Last Answer : a) carotid artery hemorrhage. The carotid artery lies close to the stoma and may rupture from erosion if the wound does not heal properly.

A substance unrelated to substrate but capable of reversibly changing activity of enzyme by binding to a site other than active site is called (a) Competitive inhibitor (b) Non-competitive inhibitor (c) Catalytic inhibitor (d) Allosteric modulator/inhibitor

Description : A substance unrelated to substrate but capable of reversibly changing activity of enzyme by binding to a site other than active site is called (a) Competitive inhibitor (b) Non-competitive inhibitor (c) Catalytic inhibitor (d) Allosteric modulator/inhibitor

Last Answer : Ans. ((d))

The first reaction in photorespiration is: (a) Decarboxylation (b) Oxygenation (c) Carboxylation (d) Phosphorylation

Description : The first reaction in photorespiration is: (a) Decarboxylation (b) Oxygenation (c) Carboxylation (d) Phosphorylation

Last Answer : Ans. ((b))

Regulator gene controls chemical synthesis (Operon concept) by (a) Inhibiting transcription of mRNA (b) Inhibiting enzymes (c) Inhibiting passage of mRNA (d) Inhibiting substrate enzyme reaction

Description : Regulator gene controls chemical synthesis (Operon concept) by (a) Inhibiting transcription of mRNA (b) Inhibiting enzymes (c) Inhibiting passage of mRNA (d) Inhibiting substrate enzyme reaction

Last Answer : Ans. ((a))

Reaction centre of photo system-I in green plants is: (a) P680 (c) P690 (b) P700 (d) P780

Description : Reaction centre of photo system-I in green plants is: (a) P680 (c) P690 (b) P700 (d) P780

Last Answer : Ans. ((c))

What exactly is Grana Parmesan cheese?

Description : What exactly is Grana Parmesan cheese?

Last Answer : Never heard of that…. I’m sure any parmesan is fine for a recipe.

Of which cell organelle is grana a part ?

Description : Of which cell organelle is grana a part ?

Last Answer : Of which cell organelle is grana a part ? A. Mitochondria B. Chloroplast C. Aleurone grain D. Starch grain

Grana and Stroma are found in

Description : Grana and Stroma are found in

Last Answer : Ans. Chloroplast

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

Photosystem II occurs in (a) stroma (b) cytochrome (c) grana (d) mitochondrial surface.

Description : Photosystem II occurs in (a) stroma (b) cytochrome (c) grana (d) mitochondrial surface.

Last Answer : (c) grana

Besides giving out secretory vesicles, the Golgi apparatus is also concerned with the formation of (a) lysosomes (b) plastids (c) grana of chloroplasts (d) cell plates after cell division in plants.

Description : Besides giving out secretory vesicles, the Golgi apparatus is also concerned with the formation of (a) lysosomes (b) plastids (c) grana of chloroplasts (d) cell plates after cell division in plants.

Last Answer : (a) lysosomes

The inner membrane of the mitochondria is, usually, highly convoluted forming a series of infoldings known as (a) thylakoids (b) lamellae (c) cristae (d) grana.

Description : The inner membrane of the mitochondria is, usually, highly convoluted forming a series of infoldings known as (a) thylakoids (b) lamellae (c) cristae (d) grana.

Last Answer : (c) cristae

Chlorophyll in chloroplasts is located in (a) grana (b) pyrenoid (c) stroma (d) both grana and stroma.

Description : Chlorophyll in chloroplasts is located in (a) grana (b) pyrenoid (c) stroma (d) both grana and stroma.

Last Answer : (a) grana

The structures that are formed by stacking of organised flattened membranous sacs in the chloroplasts are (a) stroma lamellae (b) stroma (c) cristae (d) grana.

Description : The structures that are formed by stacking of organised flattened membranous sacs in the chloroplasts are (a) stroma lamellae (b) stroma (c) cristae (d) grana.

Last Answer : (d) grana.

The matrix surrounding the grana in the inner membrane of chloroplasts is (A) Cytosol (B) Frets (C) Stroma (D) Inter-granal lamellae

Description : The matrix surrounding the grana in the inner membrane of chloroplasts is (A) Cytosol (B) Frets (C) Stroma (D) Inter-granal lamellae

Last Answer : (C) Stroma

Infoldings of inner membrane in mitochondria are called (A) Grana (B) Thyallkoids (C) Cristae (D) Frets

Description : Infoldings of inner membrane in mitochondria are called (A) Grana (B) Thyallkoids (C) Cristae (D) Frets

Last Answer : (C) Cristae

What is the main source of light ?

Description : What is the main source of light ?

Last Answer : The main source of light is the sun.

Which term is used to describe an animal which limits it's activity to periods of dim light at dawn and dusk? a) diurnal (pron: die-ER-nal) b) crepuscular (pron: kri-PUSS-kyule-ar) c) vesperal (pron: VESS-per-al) d) none of the above

Description : Which term is used to describe an animal which limits it's activity to periods of dim light at dawn and dusk? a) diurnal (pron: die-ER-nal) b) crepuscular (pron: kri-PUSS-kyule-ar) c) vesperal (pron: VESS-per-al) d) none of the above

Last Answer : ANSWER: B -- CREPUSCULAR

The role of transfer RNS (IRNA) is to (a) Transfer mRNA from the nucleus to the cytoplasm (b) Carry amino acids from the cytoplasm to the nucleus (c) Carry the newly synthesised protein to its site of function in the cell (d) Transport amino acids to ribosomes

Description : The role of transfer RNS (IRNA) is to (a) Transfer mRNA from the nucleus to the cytoplasm (b) Carry amino acids from the cytoplasm to the nucleus (c) Carry the newly synthesised protein to its site of function in the cell (d) Transport amino acids to ribosomes

Last Answer : Ans:(d)

Dark reaction of photosynthesis does not need light. Do plants undergo dark reaction at night? Explain. -Science

Description : Dark reaction of photosynthesis does not need light. Do plants undergo dark reaction at night? Explain. -Science

Last Answer : Dark reaction does not mean that it occurs in the absence of light i.e., at night. Infact, it is the reaction occuring simultaneously with light reaction. It a chemical process occurring independent of light. This reaction is completely based on enzymes.

Explain how during light reaction of photosynthesis, ATP synthesis is a chemiosmotic phenomenon. -Biology

Description : Explain how during light reaction of photosynthesis, ATP synthesis is a chemiosmotic phenomenon. -Biology

Last Answer : answer:

Why is the Calvin cycle dependent on the light-dependent reaction of photosynthesis? -Biology

Description : Why is the Calvin cycle dependent on the light-dependent reaction of photosynthesis? -Biology

Last Answer : answer:

Why is photosynthesis a light dependent reaction? -Biology

Description : Why is photosynthesis a light dependent reaction? -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:

Which is true of the light reaction of photosynthesis?

Description : Which is true of the light reaction of photosynthesis?

Last Answer : chlorophyll fluorometers

How does the light reaction of photosynthesis affect Earth’s supply of oxygen?

Description : How does the light reaction of photosynthesis affect Earth’s supply of oxygen?

Last Answer : by using chlorophyll fluorometers

The products of light reaction of photosynthesis is

Description : The products of light reaction of photosynthesis is

Last Answer : The products of light reaction of photosynthesis is A. Carbohydrate B. ATP C. NADP and `O_(2)` D. `NADPH_(2), ATP and O_(2)`

The first step in the light reaction of photosynthesis is

Description : The first step in the light reaction of photosynthesis is

Last Answer : The first step in the light reaction of photosynthesis is A. Formation of ATP B. Ionization of ... of electron of chlorophyll by a photon of light.

In photosynthesis directly light driven reaction are called (A)_____ while some reactions are depends on the products of light reaction (ATP and NADPH

Description : In photosynthesis directly light driven reaction are called (A)_____ while some reactions are depends on the products of light reaction (ATP and NADPH

Last Answer : In photosynthesis directly light driven reaction are called (A)_____ while some reactions are depends ... and NADPH) conventinally called as (B)____

Who demonstrate that photosynthesis is light dependent reaction in which hydrogen from a suitable oxidisable compound reduces carbon dioxide to carboh

Description : Who demonstrate that photosynthesis is light dependent reaction in which hydrogen from a suitable oxidisable compound reduces carbon dioxide to carboh

Last Answer : Who demonstrate that photosynthesis is light dependent reaction in which hydrogen from a suitable ... comes from water nor from carbon dioxide.