BIOLOGY TEST 6 - PAK ARMED FORCES TEST

QUIZ START

Results

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QUIZ START

#1. Which of the follow is common character shared by both prokaryotes and eukaryotes?

Nucleus

Compiled genome with histones

Cytoskeleton

Phospholipid bilayer

#2. The outer membrane of the nucleus: I. is continuous with the Endoplasmic reticulum II. does bear ribosomes

Only I is correct

Only II is correct

Both I and II are correct

Both I and II are incorrect

#3. Which component of the cell is needed to synthesize and build protein within cell?

Only 1

Only 2

Both 1 and 2 are correct

Both 1 and II are incorrect

#4. Mitochondria and chloroplast are: I. Semi-autonomous organelles II. Formed by division of pre-existing organelles and they contain DNA but lack protein synthesizing machinery. Which one of the following options is correct?

II is true but I is false

I is true but II is false

Both I and II are false

Both I and II are correct

#5. How many of the following cell organelles are membranous? Endoplasmic reticulum, Nucleus, lysosomes, vacuoles, ribosomes, centrioles.

#6. The unit of phloem in which nucleus in absent

Sieve cell

Sieve tube

Companion cell

Phloem parenchyma

#7. The Cytoplasmic connection from cell to cell are known as;

Middle lamella

Plasmodesmata

cisternae

None

#8. Organelle that found in both prokaryotic and eukaryotic cell;

Ribosome

Nucleus

Mitochondria

None of these

#9. mRNA is formed in;

Inside endoplasmic reticulum

Nucleus

Golgi bodies

All of these

#10. Arrangement of coccus bacteria in chain is called:

Streptococci

Staphylococci

Tetrad

Sarcina

#11. DNA of bacteria is present in:

Nucleoid

Nucleus

Mitochondria

Mesosome

#12. What is the primary function of the Calvin cycle?

Use ATP to release carbon dioxide

Use NADPH to release carbon dioxide

Split water and release oxygen

Synthesize simple sugars from carbon dioxide

#13. Where does exactly the NADP reductase enzyme located?

Thylakoid lumen

Thylakoid luminal side of membrane

Stromal side of thylakoid membrane

Cytoplasm

#14. Chloroplasts contain maximum of

RuBP carboxylase

PEP case

Hexokinase

All of these

#15. Generation of proton gradients across membranes occurs during

Photosynthesis

Respiration

Both photosynthesis and respiration

Neither photosynthesis nor respiration

#16. Produces NADH

Light reactions alone

The Calvin cycle alone

Both the light reactions and the Calvin cycle

Neither the light reactions nor the Calvin cycle

#17. Electrons from excited chlorophyll molecule of photosystem-II are accepted first by

cytochrome-b

cytochrome-f

Quinone

Ferredoxin

#18. Match the terms in column-I with suitable terms in column-II (Glycosidic, Ester, Peptide, Phosphodiester)

P=i; Q=iii; R=ii; S=iv

P=iii; Q=iv; R=i; S=ii

P=iii; Q=i; R=iv; S=ii

P=ii; Q=iv; R=lv; S=iii

#19. The covalent bond formed between two monosaccharides is called:

Glycosidic bond

Hydrogen bond

Peptide bond

Disulphide bond

#20. The bond formed between glucose and fructose to form sucrose is ________ linkage:

1,4 glycosidic

1,2 glycosidic

1,6 glycosidic

1,3 glycosidic

#21. Carbohydrates are organic molecules and contain three elements:

Carbon, water and oxygen

Carbon, Sulphur and hydrogen

Carbon, calcium and hydrogen

Carbon, hydrogen and oxygen

#22. This theory suggest that the enzymes molecules are inactive form

Lock and key

induce fit model

Emil Fischer theory

D) no theory suggest this idea

#23. Which one are intermediates in respiration and photosynthesis both?

Ribose and heptolose

Glyceraldehydes and dihydroxyacetone

Glucose and galactose

Fructose and ribulose

#24. __________ is the most abundant carbohydrate in nature:

Cellulose

Waxes

Glycerin

Starch

#25. Which of the following is a keto sugar?

Glyceraldehyde

Ribose

Dihydroxyacetone

Glucose

#26. The most common respiratory substance as a source of energy is:

Glucose

Sucrose

Fructose

Insulin

#27. The simplest monosaccharide containing keto group is:

Glyceraldehyde

Dihydroxyacetone

Glucose

Ribose

#28. Monosaccharides are major components of:

DNA, ATP, Ribulose bisphosphate and cysteine

DNA, NAD and Insulin

DNA, NADP, ATP and ribulose bisphosphate

DNA, RNA and myosin

#29. Enterokinase is

Pancreatic hormone

Intestinal hormone

Pancreatic enzyme

Component of intestinal juice

#30. Which are all proteolytic enzymes

Ptyalin, trypsin, pepsin

Lipase, Erepsin, trypsin

Rennin, trypsin, pepsin

Pepsin, nuclease, nucleosidase

#31. What is common among amylase, renin and trypsin?

All proteins

Proteolytic enzymes

Produced in stomach

Act at pH lower than 7

#32. End product of protein digestion is

Sugar

Nucleotide

Glucose

Amino acid

#33. Which pair reaches the stomach totally undigested?

Fat, cellulose

Starch, cellulose

Protein, starch

Starch, fat

#34. Identify the correct set produced in the stomach, pepsin help in digestion casein

Ptyalin - intestine - maltose

pepsin - stomach wall - casein

Chymotrypsin - salivary glands - lactose

Ptyalin - pancreas - lipid

#35. Total number of canines in permanent dental set of human is

#36. Number of milk teeth found in humans is

#37. Anterior region of the stomach which joins the oesophagus through a sphincter is:

Body (fundus) of Stomach

Cardiac region

Hepatic Region

Pyloric Region

#38. Duodenum receives opening of:

Pancreatic duct

Thoracic duct

Common Bile duct

Bile duct

#39. The final hydrolysis of disaccharides, dipeptides and tripeptides occurs in:

Stomach

Duodenum

Jejunum

Ileum

#40. Amylase converts starch and glycogen into:

Maltose

Galactose

Fructose

Glucose

#41. Villus wall is richly supplied with blood capillaries and lymph vessels called:

Vesicular

Lymphomas

Lacteals

Calculus

#42. The nutrients stored by bacterial granules may be:

Glycogen

Sulphur

Fats & Phosphate

All the above

#43. When DNA is exchanged via. Cytoplasmic bridges between two bacteria the process is called

Transduction

Conjugation

Transformation

Recombination

#44. Site of respiration in bacteria is

Mitochondria

Ribosome

Mesosomes

Microsome

#45. Pili in bacteria are used for

Conjugation

Locomotion

Transduction

All the above

#46. The bacterium shown in diagram is (with flagella at both ends / tuft)

Amphitrichous

Peritrichous

Atrichous

Lophotrichous

#47. Bacterial ribosomes lie in

Cytoplasm

E.R

Nuclear envelope

All of these

#48. Tobacco mosaic virus/ virus was crystallized for the first time by

Edward Jenner

Louis Pasteur

Andre Lwoff

W.N. Stanley

#49. Amphitrichous flagellation has

Flagella absent

Flagella at one end

Flagella at both the ends

Flagella all around

#50. Protein cover of virus is

Capsid

virion

Viroid

Bacterial wall

#51. Common genetic material of bacteriophage is

RNA

DNA

RNA and DNA

DNA and mRNA

#52. Genetic material of influenza virus is

Single helix DNA

Double helix DNA

Double strand RNA

Single strand RNA

#53. Important vectors in modern genetic engineering are_____

Plasmid

Mesosome

Nucleoid

Ribosome

#54. Pilli are made of special protein called_____

Pillin

Tubulin

Flagellin

Myosin

#55. Square of four cocci is_____

Tetrad

Sarcina

Diplococcus

Streptococci

#56. Syphilis is caused by:

Spirochaete

Nostoc

Water blooms

Cyannobacteria

#57. _____ is an invagination of cell membrane which helps in cell division.

Fimbriae

Nucleoid

Mesosome

Endospore

#58. Cell wall structures of a cell of unknown origin was studied and was found to contain polysaccharide chain linked with short chains of amino acid. What do you think it can be?

Bacteria

Fungi cell

Algae

Cortex cells

#59. 18C unsaturated fatty acid with two double bonds is

oleic acid

Linoleic acid

Linolenic acid

arachidonic acid

#60. Phospholipids are

amphipathic

amphibolic

hydrophobic

none of these

#61. Largest macromolecule in cell is

DNA

cellulose

chitin

glycogen

#62. Relationship between amino acid and protein is similar to one found between

glucose and fructose

nucleotides and nucleic acid

nucleosides and nucleic acid

purines and pyrimidines

#63. alpha-helix is stabilized by H-bonds between the

NH and CO group of side chain

NH and CO group of main chain

NH and NH group of same chain

NH and COOH groups of all chains

#64. All enzymes are

either pure or conjugated proteins

pure proteins

conjugated proteins

inorganic catalysts

#65. The net gain of energy from one gram mole of glucose during aerobic respiration is:

2 ATP

4 ATP

36 ATP

38 ATP

#66. The cycle in which Acetyl-CoA is broken down in presence of oxygen is known as:

Glycolysis

Krebs cycle

Link reaction

None of the above

#67. The enzyme which converts glucose to glucose-6-phosphate is:

Phosphorylase

Glucose-6-phosphatase

Hexokinase

Glucose synthetase

#68. The terminal cytochrome in respiratory chain is:

Cytochrome b

Cytochrome a3

Cytochrome a

Cytochrome c

Finish

Results

#1. Which of the follow is common character shared by both prokaryotes and eukaryotes?

#2. The outer membrane of the nucleus: I. is continuous with the Endoplasmic reticulum II. does bear ribosomes

#3. Which component of the cell is needed to synthesize and build protein within cell?

#4. Mitochondria and chloroplast are: I. Semi-autonomous organelles II. Formed by division of pre-existing organelles and they contain DNA but lack protein synthesizing machinery. Which one of the following options is correct?

#5. How many of the following cell organelles are membranous? Endoplasmic reticulum, Nucleus, lysosomes, vacuoles, ribosomes, centrioles.

#6. The unit of phloem in which nucleus in absent

#7. The Cytoplasmic connection from cell to cell are known as;

#8. Organelle that found in both prokaryotic and eukaryotic cell;

#9. mRNA is formed in;

#10. Arrangement of coccus bacteria in chain is called:

#11. DNA of bacteria is present in:

#12. What is the primary function of the Calvin cycle?

#13. Where does exactly the NADP reductase enzyme located?

#14. Chloroplasts contain maximum of

#15. Generation of proton gradients across membranes occurs during

#16. Produces NADH

#17. Electrons from excited chlorophyll molecule of photosystem-II are accepted first by

#18. Match the terms in column-I with suitable terms in column-II (Glycosidic, Ester, Peptide, Phosphodiester)

#19. The covalent bond formed between two monosaccharides is called:

#20. The bond formed between glucose and fructose to form sucrose is ________ linkage:

#21. Carbohydrates are organic molecules and contain three elements:

#22. This theory suggest that the enzymes molecules are inactive form

#23. Which one are intermediates in respiration and photosynthesis both?

#24. __________ is the most abundant carbohydrate in nature:

#25. Which of the following is a keto sugar?

#26. The most common respiratory substance as a source of energy is:

#27. The simplest monosaccharide containing keto group is:

#28. Monosaccharides are major components of:

#29. Enterokinase is

#30. Which are all proteolytic enzymes

#31. What is common among amylase, renin and trypsin?

#32. End product of protein digestion is

#33. Which pair reaches the stomach totally undigested?

#34. Identify the correct set produced in the stomach, pepsin help in digestion casein

#35. Total number of canines in permanent dental set of human is

#36. Number of milk teeth found in humans is

#37. Anterior region of the stomach which joins the oesophagus through a sphincter is:

#38. Duodenum receives opening of:

#39. The final hydrolysis of disaccharides, dipeptides and tripeptides occurs in:

#40. Amylase converts starch and glycogen into:

#41. Villus wall is richly supplied with blood capillaries and lymph vessels called:

#42. The nutrients stored by bacterial granules may be:

#43. When DNA is exchanged via. Cytoplasmic bridges between two bacteria the process is called

#44. Site of respiration in bacteria is

#45. Pili in bacteria are used for

#46. The bacterium shown in diagram is (with flagella at both ends / tuft)

#47. Bacterial ribosomes lie in

#48. Tobacco mosaic virus/ virus was crystallized for the first time by

#49. Amphitrichous flagellation has

#50. Protein cover of virus is

#51. Common genetic material of bacteriophage is

#52. Genetic material of influenza virus is

#53. Important vectors in modern genetic engineering are_____

#54. Pilli are made of special protein called_____

#55. Square of four cocci is_____

#56. Syphilis is caused by:

#57. _____ is an invagination of cell membrane which helps in cell division.

#58. Cell wall structures of a cell of unknown origin was studied and was found to contain polysaccharide chain linked with short chains of amino acid. What do you think it can be?

#59. 18C unsaturated fatty acid with two double bonds is

#60. Phospholipids are

#61. Largest macromolecule in cell is

#62. Relationship between amino acid and protein is similar to one found between

#63. alpha-helix is stabilized by H-bonds between the

#64. All enzymes are

#65. The net gain of energy from one gram mole of glucose during aerobic respiration is:

#66. The cycle in which Acetyl-CoA is broken down in presence of oxygen is known as:

#67. The enzyme which converts glucose to glucose-6-phosphate is:

#68. The terminal cytochrome in respiratory chain is:

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