BIOLOGY TEST 3 - PAK ARMED FORCES TEST

QUIZ START

Results

CONGRATULATIONS!! PASSED

OOPS SORRY !! FAILED

QUIZ START

#1. Which of the following is the most common H+ acceptor.

FAD and NAD+

FMN and NAD+

FMN and FAD+

NAD+ and NADP+

#2. The sequential order in electrontransport form PS II to PS I of photosynthesis is.

FeS, PQ, PC and cytochrome

PQ, cytochromes, PC and FeS

FeS, PQ, cytochromes and PC

PC, cytochromes FeS, PQ

#3. Ferredoxin in.

Phenol

Protein

Fat

Carbohydrate

#4. Photolysis of each water molecule yields.

2 electrons and 4 protons

4 electrons and 4 protons

4 electrons and 2 protons

2 electrons and 2 protons

#5. CO2 is carried in blood as.

Sodium bicarbonate

Sodium carbonate

Potassium carbonate

Magnesium carbonate

#6. Chloride shift is required for transport of.

Nitrogen

Oxygen

Carbon dioxide

Carbon dioxide and oxygen

#7. Amount of oxygen present in one gram of haemoglobin is.

20ml

1.34ml

13.4ml

#8. Muscles attached to diaphragm contract during inspiration to make it.

Flat

Dome -shaped

Concave

Rotate

#9. How many PGAL molecules would regenerate 15 RuBP.

#10. Which one is product in respiration and reagent in photosynthesis.

CO2

#11. All of the following are characteristics of myoglobin except:

Present in sarcoplasm

Imparts red color to sarcolemma

More affinity for oxygen as compared to Haemoglobin

Globular protein

#12. When our drainage system is not functioning properly and the carbon dioxide accumulates in blood then:

Blood pH is increased

Oxygen level also increases

Blood pH is decreased

N2 starts diffusing into the lungs

#13. Which of the following decreases the oxygen carrying capacity of blood?

Low blood pH

Increased blood pH

Low temperature

High RBC number in blood

#14. Choose correct pair.

Rennin - Casein

Protein - Amylase

Carbohydrate - Lipase

Maltase - Lactose

#15. Which is a specific gastric hormone.

Secretin

Serotonin

Amphetamine

#16. Gastric juice contains.

Pepsin, lipase and rennin

Trypsin, lipase and rennin

Trypsin, pepsin and lipase

Trypsin, pepsin and rennin

#17. Crypts of lieberkuhn are found in.

Small intestine, secrete digestive enzymes

Pancreas, secrete pancreatic juice

Stomach, secrete gastric juice

Liver, secrete bile

#18. Epithelial cells involved in absorption of digested food have on their free surface.

Zymogen granules

Pinocytic vesicles

Phagocytic vesicles

Microvilli

#19. Substrate for amylase enzyme is.

Nucleic acid

Protein

Starch

Fat

#20. Both starch and proteins are digested by.

Saliva

Pancreatic juice

Gastric juice

Bile

#21. Which is related to light reaction of photosynthesis.

In PS II light reaction centre is P700

In PS I light reaction centre is P680

Photolysis is associated with PS I

PS I and PS II are associated in Z-scheme

#22. Assertion: cyclic pathway of photosynthesis first appeared in some eubacteria species oxygen started accumulating in the atmosphere after noncyclic pathway of photosynthesis evolves.

If both the assertion and reason are true and reason explains the assertion

If both the assertion and reason are true but reason does not explain the assertion

If assertion is true but reason is false

If assertion is false but reason is true

#23. First reaction in photosynthesis is.

Photolysis of water

Excitation of chlorophyll molecules

Formation of ATP

Fixation of CO2

#24. Phytol chain is present in.

Carotenoids

Phycocyanin

Chlorophyll

haemoglobin

#25. Non cyclic photophosphorylation involves.

PS I only

PS II only

stroma matrix

Both a and b

#26. Which reaction takes place in the lumen of thylakoid?

Photolysis

Reduction of NADP+

Oxidation of NADP+

Oxidation of Plastocyanin

#27. During anaerobic respiration, most of the ATP formation takes place through:

Glycolysis

Krebs cycle

Link reaction

ETC

#28. How many reactions in the TCA cycle transfer electrons from a substrate to an electron accepting co-enzyme?

#29. For each molecule of glucose, how many times does the TCA cycle proceed?

#30. Dark reactions of photosynthesis occur in.

Granal thylakoid membrane

Stromal lamella membranes

Stroma outside photosynthetic lamellae

Periplastidial space

#31. Correct equation for photosynthesis is.

C6H12O6 + 6O2 -> 6CO2 + 6H2O

6CO2 + 12H2O -> C6H12O6 + 6O2 + 6H2O

6CO2 + 6H2O -> C6H12O6 + 6O2

6CO2 + 12H2O + 6O2 -> 6CO2 + 6H2O

#32. Carbon dioxide is _________ than oxygen in tissue fluids.

Less soluble

More soluble

Equally soluble

Their solubility's cannot be measured

#33. RBCs of a person living at high altitudes:

Increase in number

Decrease in number

Increase in size

Decrease in size

#34. Haemoglobin is a complex molecule which has ability to bind with:

O2 only

O and CO2 only

O2 and CO only

O2, CO2 and CO

#35. Which of the following remains same in inspired and expired air?

Oxygen

Carbon dioxide

Nitrogen

Water vapors

#36. Inflammatory substance (histamine) causes:

Bronchodilation

Nasal cavity blockage

Bronchoconstriction

Contraction of trachea

#37. Which one is the common producer of bot respiration and photosynthesis.

ATP

Quinone

Cytochrome

Chlorophyll

#38. Dark reaction of photosunthesis occurs in.

Grana

Stroma

Mathrix

Cytoplasm

#39. First portion of small intestineis called.

Jejunum

Ileum

Duodenum

Cystic dust

#40. Which of the following is not related to large intestine?

Goblet cells

Peristalsis

Food storage

Vitamin production

#41. The major function of the large intestine is the:

Digestion of food

Absorption of water

Storage of food

Production of vitamin

#42. Emulsification of fats will not occur in the absence of:

Lipase

Bile salts

Bile pigments

Pancreatic amylase with chyme

#43. Bile can be prevented to pass into duodenum by.

Pyloric valve

Cardiac sphincter

Sphincter of boyden

Sphincter of Oddi

#44. Pepsingogen is secreted by.

Mucous glands

Intestinal glands

Chief cells

Parietal cells

#45. Enzyme maltase of human gut acts on food at.

pH less than 7, changes maltose to glucose

pH more than 7, changes maltose to glucose

pH less than 7, changes starch to maltose

pH more than 7, changes maltose to glucose

#46. Jaundice is caused by elevated level of _ in _.

Bile salts, duodenum

Bile pigments, blood

Bile pigments, duodenum

Bile salts, oral cavity

#47. Which of the following is not involved in chemical digestion of food?

Stomach

Liver

Pancreas

Oral cavity

#48. All are involved in mechanical digestion of food, except:

Liver

Oral cavity

Stomach

Pancreas

#49. Which of the following hormones increase the production of gastric juice?

Secretin

Gastrin

Cholecystokinin

Somatotrophin

#50. First step in digestion of fat is.

Emulsification

Enzyme action

Absorption by lacteals

Storage in adipose tissue

#51. Whichis not the function of liver

Production of insulin

Detoxification

Storage of glycogen

Production of bile

#52. Which of the following is not a funciton of the liver.

Converts hemoglobin form red blood cells to bile pigments that are excreted along with bile salts in bile

Detoxifies blood by removing poisonous substances

Produces urea form the breakdown of amino acids

Produces enzymes for digestion of food in the duodenum

#53. The end products of proein hydrolysis is

Lipids

Mixture of amino acids

Peptides

10 amino acids

#54. Proteolytic encyzems do not corrode lining of alimentary canal as.

They are secreted in inactive form

Lining layer of alimentary canal does not contain protein

The enzymes are not capable of digesting fat

#55. The greatest quantity of air that can be expired after a maximum inspiratoryeffort is its.

Residual volume

Tidal volume

vital capacity

Lung volume

#56. Rennin acts on.

Milk changing casein int calcium paracaseinate at 7.2-8.2pH

Proteinsin stomach

Fat in intestine

Milk changing casein into calcium paracaseinae at 1 - 3pH

#57. Match the columns: Column I [a) Larynx, b) Trachea, c) Alveoli, d) Epiglottis] Column II [p) Lid of larynx, q) Air sacs, r) Voice box, s) Wind pipe]

a-r, b-s, c-q, d-p

a-t, b-s, p-c, d-q

a-r, b-s, c-q, d-t

a-r, b-t, c-q, d-p

#58. About 1200 ml of air left in lung even afer forceful respiration is called.

tidal volume

Inspiratory reserve volume

Residual volume

Vital capacity

#59. Carboxyhaemoglobin is produced due to.

CO2

NO3-

SO4 3-

#60. thoracic cage of man is formed of.

Ribs and sternum

Ribs, sternum and thoracic vertebrae

Ribs, Sternum and lumbar vertebrae

Ribs and thoracic vertebrae

#61. Oxygen carrying capacity of blood is.

20%

30%

40%

50%

#62. Identify the correct option from the table [A) Amino peptidase -> Polypeptides -> Amino acids, B) Erypsin -> Polypeptides -> Amino acids, C) Pepsin -> Dipeptides -> Nitrogenous wastes, D) Trypsin -> Proteins -> Polypeptides]

#63. Which of the following digests carbohydrates, proteins and as well as lipids?

Gastric juice only

Saliva and bile juice

Pancreatic juice and succus entericus

Gastric juice and bile juice

#64. If a person consumes food containing maltose only, it will be digested in:

Oral cavity

Pancreas

Small intestine

No digestion required

Finish

Results

#1. Which of the following is the most common H+ acceptor.

#2. The sequential order in electrontransport form PS II to PS I of photosynthesis is.

#3. Ferredoxin in.

#4. Photolysis of each water molecule yields.

#5. CO2 is carried in blood as.

#6. Chloride shift is required for transport of.

#7. Amount of oxygen present in one gram of haemoglobin is.

#8. Muscles attached to diaphragm contract during inspiration to make it.

#9. How many PGAL molecules would regenerate 15 RuBP.

#10. Which one is product in respiration and reagent in photosynthesis.

#11. All of the following are characteristics of myoglobin except:

#12. When our drainage system is not functioning properly and the carbon dioxide accumulates in blood then:

#13. Which of the following decreases the oxygen carrying capacity of blood?

#14. Choose correct pair.

#15. Which is a specific gastric hormone.

#16. Gastric juice contains.

#17. Crypts of lieberkuhn are found in.

#18. Epithelial cells involved in absorption of digested food have on their free surface.

#19. Substrate for amylase enzyme is.

#20. Both starch and proteins are digested by.

#21. Which is related to light reaction of photosynthesis.

#22. Assertion: cyclic pathway of photosynthesis first appeared in some eubacteria species oxygen started accumulating in the atmosphere after noncyclic pathway of photosynthesis evolves.

#23. First reaction in photosynthesis is.

#24. Phytol chain is present in.

#25. Non cyclic photophosphorylation involves.

#26. Which reaction takes place in the lumen of thylakoid?

#27. During anaerobic respiration, most of the ATP formation takes place through:

#28. How many reactions in the TCA cycle transfer electrons from a substrate to an electron accepting co-enzyme?

#29. For each molecule of glucose, how many times does the TCA cycle proceed?

#30. Dark reactions of photosynthesis occur in.

#31. Correct equation for photosynthesis is.

#32. Carbon dioxide is _________ than oxygen in tissue fluids.

#33. RBCs of a person living at high altitudes:

#34. Haemoglobin is a complex molecule which has ability to bind with:

#35. Which of the following remains same in inspired and expired air?

#36. Inflammatory substance (histamine) causes:

#37. Which one is the common producer of bot respiration and photosynthesis.

#38. Dark reaction of photosunthesis occurs in.

#39. First portion of small intestineis called.

#40. Which of the following is not related to large intestine?

#41. The major function of the large intestine is the:

#42. Emulsification of fats will not occur in the absence of:

#43. Bile can be prevented to pass into duodenum by.

#44. Pepsingogen is secreted by.

#45. Enzyme maltase of human gut acts on food at.

#46. Jaundice is caused by elevated level of _________ in _________.

#47. Which of the following is not involved in chemical digestion of food?

#48. All are involved in mechanical digestion of food, except:

#49. Which of the following hormones increase the production of gastric juice?

#50. First step in digestion of fat is.

#51. Whichis not the function of liver

#52. Which of the following is not a funciton of the liver.

#53. The end products of proein hydrolysis is

#54. Proteolytic encyzems do not corrode lining of alimentary canal as.

#55. The greatest quantity of air that can be expired after a maximum inspiratoryeffort is its.

#56. Rennin acts on.

#57. Match the columns: Column I [a) Larynx, b) Trachea, c) Alveoli, d) Epiglottis] Column II [p) Lid of larynx, q) Air sacs, r) Voice box, s) Wind pipe]

#58. About 1200 ml of air left in lung even afer forceful respiration is called.

#59. Carboxyhaemoglobin is produced due to.

#60. thoracic cage of man is formed of.

#61. Oxygen carrying capacity of blood is.

#62. Identify the correct option from the table [A) Amino peptidase -> Polypeptides -> Amino acids, B) Erypsin -> Polypeptides -> Amino acids, C) Pepsin -> Dipeptides -> Nitrogenous wastes, D) Trypsin -> Proteins -> Polypeptides]

#63. Which of the following digests carbohydrates, proteins and as well as lipids?

#64. If a person consumes food containing maltose only, it will be digested in:

❌ Your Wrong Attempts:

#46. Jaundice is caused by elevated level of _ in _.