👉 NEET Biology Examination
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👉 NEET Biology Study Material
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Instruction
- Total 40 question
- Total Marks 160
- Each Question 4 marks
- Negative marking -1 for each wrong Question
1. Select the correct match among the following .
Plant No. of carpels in gynoecium No. of locules in ovary
A. Dolichos One One
B. Solanum One Two
C. Allium Three Three
D. Hibiscus One One
( a ) A and B only ( b ) C and D only
Plant No. of carpels in gynoecium No. of locules in ovary
A. Dolichos One One
B. Solanum One Two
C. Allium Three Three
D. Hibiscus One One
( a ) A and B only ( b ) C and D only
( c ) A and C only ( d ) B and D only
2. Sepia shows body symmetry .
( a ) radial ( b ) bilateral ( c ) biradial ( d ) spherical
3. Which of the following is the function of adrenaline ?
( a ) Helps in gastric juice secretion ( b ) Increases heart rate and blood pressure
( c ) Increases blood calcium level ( d ) Helps in milk secretion
4. The role of pacemaker in heart is to
( a ) initiate heart beat ( b ) control blood pressure
( c ) control atherosclerosis ( d ) purify blood .
5. A growth curve is given in the figure . Identify the different growth phases marked by 1,2,3 .
2. Sepia shows body symmetry .
( a ) radial ( b ) bilateral ( c ) biradial ( d ) spherical
3. Which of the following is the function of adrenaline ?
( a ) Helps in gastric juice secretion ( b ) Increases heart rate and blood pressure
( c ) Increases blood calcium level ( d ) Helps in milk secretion
4. The role of pacemaker in heart is to
( a ) initiate heart beat ( b ) control blood pressure
( c ) control atherosclerosis ( d ) purify blood .
5. A growth curve is given in the figure . Identify the different growth phases marked by 1,2,3 .
( a ) 1 - Log phase , 2 - Lag phase , 3 - Steady phase
( b ) 1 - Lag phase , 2 - Exponential phase , 3 - Steady phase
( c ) 1 - Steady phase , 2 - Lag phase , 3 - Log phase
( d ) 1 - Log phase , 2 - Steady phase , 3 - Lag phase
6. Read the following statements and select the correct option .
A. C3 and C4 plants respond in same way to CO2 concentrations .
B. In low light condition ,C3 ; responds to high CO2 concentration but not C4 plant .
C. C3 and C4 plants both do not respond to high CO2 concentrations at low light condition .
D. The rate of photosynthesis increases at high light intensity in C3 and C4 plants both .
( a ) Cand D only ( b ) B and C only
( c ) A and D only ( d ) A and B only
7. Which set has similar type of epithelial lining ?
( a ) Small intestine and oesophagus ( b ) Bowman's capsule and alveoli
( c ) Salivary duct and oviduct ( d ) All of these
8. How many of the following have a nucleus not bounded by nuclear membrane ? Entamoeba coli , Paramecium , Nostoc , Mycoplasma , Pseudomonas , Noctiluca , Gymnodium , Nitrosomonas , Methanogens
( a ) Six ( b ) Four ( c ) Three ( d ) Five
9. Select the mismatched pair .
( a ) Fungi - Chitin ( b ) Plasma membrane - Phospholipid
( c ) Enzyme - Lipopolysaccharides ( d ) ATP - Nucleotide derivative
10. Read the statements carefully and select the option that correctly fill up any three blanks .
( i ) The chief storage tissue in plant is 1 .
( ii ) The living mechanical tissue with uneven thickened wall are 2 thickening made up of 3 .
( iii ) In young growing parts of the plant , like young stem and petiole , the mechanical support is given by 4 ..
( iv ) The cells that give grittiness in sapota and pear fruits pulp are 5
( a ) 1 - parenchyma , 3 - cellulose and pectin , 5 - tracheids
( b ) 2 - sdereids , 4 - collenchyma , 5 - brachysclereids
( c ) 1 - parenchyma , 2 - collenchyma , 4 - collenchyma
( d ) 3 - lignin , 4 - collenchyma , 5 - stone cells
11. Match the column I with column II and select the correct option from the given codes .
Column I Column II
( Classes ) ( Examples )
( i ) Polychaeta p . Scorpion
( ii ) Trematoda q. Pila
( iii) Arachnida r. Liver fluke
( iv ) Gastropoda S. Nereis
t . Starfish
( i ) ( ii ) ( iii ) ( iv )
( a ) S r p q
( b ) S s P t
( c ) q s t P
( d ) t q S t
12. Megasporophylls which are arranged spirally and acropetally on the central axis of the female cone of Pinus bear
( a ) 4 megasporangia on dorsal surface
( b ) 2 megasporangia on ventral surface
( c ) 2 megasporangia on dorsal surface
( d ) 4 megasporangia on ventral surface .
13. Study the following figure and identify the marked structure correctly with specific function .
A. Gall bladder - Storage and concentration of bile
B. Cystic duct - Carries digestive juice
C. Ampulla of Vater - Carries bile juice and pancreatic juice
D. Duct of Wirsung -Carries pancreaticjuice and hormones
( a ) A and C are correct . ( b ) A and D are correct .
( c ) B and C are correct . ( d ) B and D are correct .
14. In following table , the viruses and their genetic materials are given . Select the correct match .
Virus Genetic Material
( i ) Pox virus Double stranded RNA
( ii ) 0 x 174 Single stranded DNA
( iii ) Influenza virus Double stranded RNA
( iv ) Hepatitis B virus Double stranded DNA
( a ) ( ii ) and ( iv ) ( b ) ( i ) and ( ii )
( c ) ( iii ) and ( iv ) ( d ) ( i ) and ( iii )
15. Unidirectional transmission of a nerve impulse through nerve fibre is due to the fact that
( a ) nerve fibre is insulated by a medullary sheath
( b ) sodium pump starts operating only at the cyton and then continues into the nerve fibre
( c ) neurotransmitters are released by dendrites and not by axon endings
( d ) neurotransmitters are released by the axon endings and not by dendrites .
16. Read the given statements and select the correct option .
Statement A : Ribozymes are RNA molecules which catalyse the synthesis of certain specific RNAs and removal of introns from mRNA .
Statement B : Ribozymes are proteinaceous enzymes .
( a ) Both statements A and B are correct .
( b ) Statement A is correct but statement B is incorrect .
( c ) Statement A is incorrect but statement B is correct .
( d ) Both statements A and B are incorrect .
15. Unidirectional transmission of a nerve impulse through nerve fibre is due to the fact that
( a ) nerve fibre is insulated by a medullary sheath
( b ) sodium pump starts operating only at the cyton and then continues into the nerve fibre
( c ) neurotransmitters are released by dendrites and not by axon endings
( d ) neurotransmitters are released by the axon endings and not by dendrites .
16. Read the given statements and select the correct option .
Statement A : Ribozymes are RNA molecules which catalyse the synthesis of certain specific RNAs and removal of introns from mRNA .
Statement B : Ribozymes are proteinaceous enzymes .
( a ) Both statements A and B are correct .
( b ) Statement A is correct but statement B is incorrect .
( c ) Statement A is incorrect but statement B is correct .
( d ) Both statements A and B are incorrect .
17. Given below are few respiratory disorders . Identify occupational respiratory disorders among these .
( i ) Coryza ( ii ) SARS ( iii ) Silicosis ( iv ) Asbestosis ( v ) Emphysema
( i ) Coryza ( ii ) SARS ( iii ) Silicosis ( iv ) Asbestosis ( v ) Emphysema
( a ) ( i ) and ( ii ) ( b ) ( i ) and ( v )
( c ) ( iii ) and ( iv ) ( d ) ( i ), ( ii ) and ( v )
18. Match column I with column II and select the option from the given codes .
Column I Column II
A. Synaptonemal complex ( i ) Pachytene
B. Recombination nodule ( ii ) Zygotene
C. Terminalisation of ( iii ) Telophase 1
chiasmata
D. Formation of dyad cell ( iv ) Diakinesis
( a ) A- ( ii ) : B - (i) ; C- ( iv ) ; D- ( iii )
( b ) A- ( i ) ; B- (ii) ; C- ( iv ) ; D- ( iii )
( c ) A- ( iii ) ; B -(i) ; C- ( iv ) ; D- ( ii )
( d ) A- ( ii ) ; B- (i) ; C- ( iii ) ; D- ( iv )
19. Consider the following four statements ( i ) - ( iv ) and select the option that correctly identifies the true ( T ) and false ( F ) ones .
( i ) Micturition is carried out by a reflex .
( ii ) ADH helps in water elimination making the urine hypotonic .
( iii ) Protein - free fluid is filtered from blood plasma into the Bowman's capsule . ( iv ) Glucose is actively reabsorbed in the proximal convoluted tubule .
( i ) ( ii ) ( iii ) ( iv )
( a ) T F T T
( b ) T T F F
( c ) F F F T
( d ) F T F T
20. Water will move from the root hair through cortex if the water potentials are
Root hair Cortex Xylem
( a ) 0 0 0
( b ) -2 -1 0
( c ) 0 -1 -2
( d ) 0 +1 +2
18. Match column I with column II and select the option from the given codes .
Column I Column II
A. Synaptonemal complex ( i ) Pachytene
B. Recombination nodule ( ii ) Zygotene
C. Terminalisation of ( iii ) Telophase 1
chiasmata
D. Formation of dyad cell ( iv ) Diakinesis
( a ) A- ( ii ) : B - (i) ; C- ( iv ) ; D- ( iii )
( b ) A- ( i ) ; B- (ii) ; C- ( iv ) ; D- ( iii )
( c ) A- ( iii ) ; B -(i) ; C- ( iv ) ; D- ( ii )
( d ) A- ( ii ) ; B- (i) ; C- ( iii ) ; D- ( iv )
19. Consider the following four statements ( i ) - ( iv ) and select the option that correctly identifies the true ( T ) and false ( F ) ones .
( i ) Micturition is carried out by a reflex .
( ii ) ADH helps in water elimination making the urine hypotonic .
( iii ) Protein - free fluid is filtered from blood plasma into the Bowman's capsule . ( iv ) Glucose is actively reabsorbed in the proximal convoluted tubule .
( i ) ( ii ) ( iii ) ( iv )
( a ) T F T T
( b ) T T F F
( c ) F F F T
( d ) F T F T
20. Water will move from the root hair through cortex if the water potentials are
Root hair Cortex Xylem
( a ) 0 0 0
( b ) -2 -1 0
( c ) 0 -1 -2
( d ) 0 +1 +2
21. Contraction of muscle requires ATP consumption . The mineral needed for ATP metabolism is
( a ) Ca ++ ( b ) Na ++ ( c ) CI ( d ) Mn ++ .
22. Which of the following is matched incorrectly ?
( a ) Piper - Climbing root
( b ) Acacia - Parasitic root
( c ) Bombax - Buttress root
( d ) Mirabilis - Nodulated root
23. Select the incorrect statement that states , the cause of manganese toxicity .
( a ) Manganese inhibits calcium translocation in shoot apex .
( b ) Manganese inhibits binding of magnesium with enzyme .
( c ) Manganese reduces absorption of iron and magnesium .
( d ) Manganese inhibits remobilisation of nitrogen .
24. In C4 plants , the source of CO2 for its second time fixation is
( a ) 3 C organic acid ( b ) 2 C organic acid
( c ) 4 C organic acid ( d ) 5 C carbohydrate .
25. Select the correct match .
( a ) GH - Only non - tropic hormone of adenohypophysis
( b ) ACTH - Non - gonadotropin of adenohypophysis
( c ) Prolactin - Gonadotropin of anterior pituitary
( d ) ADH - Non - tropic hormone of adenohypophysis
26. Select the correct statement regarding photorespiration .
( a ) It occurs in cytoplasm and mitochondria .
( b ) Exchange of gases here is independent of light .
( c ) It utilises the part of light energy and prevents the photooxidation
( d ) All of these
27. When a freshwater protozoan , possessing a contractile vacuole is placed in a glass containing marine water , the vacuole will
( a ) remain same . ( b ) increase in number
( c ) increase in size ( d ) decrease in size .
28. In cyathium inflorescence ,
( a ) single male flower is surrounded by female flowers
( b ) male and female flowers are borne in different plants
( c ) there is only one male and one female flowers
( d ) single female flower surrounded by many peripheral male flowers .
29. According to Boyle's law , the product of pressure and volume is a constant . Hence ,
( a ) if volume of lungs is increased , the pressure decreases proportionately
( b ) if volume of lungs is increased , the pressure also increases proportionately
( c ) if volume of lungs is increased , the pressure decreases disproportionately
( b ) Manganese inhibits binding of magnesium with enzyme .
( c ) Manganese reduces absorption of iron and magnesium .
( d ) Manganese inhibits remobilisation of nitrogen .
24. In C4 plants , the source of CO2 for its second time fixation is
( a ) 3 C organic acid ( b ) 2 C organic acid
( c ) 4 C organic acid ( d ) 5 C carbohydrate .
25. Select the correct match .
( a ) GH - Only non - tropic hormone of adenohypophysis
( b ) ACTH - Non - gonadotropin of adenohypophysis
( c ) Prolactin - Gonadotropin of anterior pituitary
( d ) ADH - Non - tropic hormone of adenohypophysis
26. Select the correct statement regarding photorespiration .
( a ) It occurs in cytoplasm and mitochondria .
( b ) Exchange of gases here is independent of light .
( c ) It utilises the part of light energy and prevents the photooxidation
( d ) All of these
27. When a freshwater protozoan , possessing a contractile vacuole is placed in a glass containing marine water , the vacuole will
( a ) remain same . ( b ) increase in number
( c ) increase in size ( d ) decrease in size .
28. In cyathium inflorescence ,
( a ) single male flower is surrounded by female flowers
( b ) male and female flowers are borne in different plants
( c ) there is only one male and one female flowers
( d ) single female flower surrounded by many peripheral male flowers .
29. According to Boyle's law , the product of pressure and volume is a constant . Hence ,
( a ) if volume of lungs is increased , the pressure decreases proportionately
( b ) if volume of lungs is increased , the pressure also increases proportionately
( c ) if volume of lungs is increased , the pressure decreases disproportionately
( d ) if volume of lungs is increased , the pressure remains the same .
30. Which one of the following pairs of structures is correctly matched with their corrected description ?
Structures Description
( a ) Tibia and fibula Both form parts of knee joint
( b ) Cartilage and cornea No blood supply but do require oxygen for respiratory need
30. Which one of the following pairs of structures is correctly matched with their corrected description ?
Structures Description
( a ) Tibia and fibula Both form parts of knee joint
( b ) Cartilage and cornea No blood supply but do require oxygen for respiratory need
( c ) Shoulder joint and Ball and socket type of elbow joint elbow joint
( d ) Premolars and molars 20 in all and 3 rooted
31. In respiration , the release of electron passed to O2 occurs
( a ) in the cytosol
( b ) in mitochondrial matrix
( c ) on the outer membrane of mitochondria
( d ) in the inner membrane of mitochondria .
32. Read the statements carefully and select the option that correctly fill up any three blanks .
A. Apical dominance in plants is the effect of 1
B. 2,4 - D is widely used as herbicide for 2
C. The application of 3 on mature monocot plant will not cause defoliation .
D. Weed free lawns are made by applying 4
( a ) 1 - auxin 3-2,4 - D , 4 - GA3
( b ) 2 - monocots 3-2,4 - D , 4 - cytokinin
( C )1 - auxin , 2 - dicots 4-2,4 - D
( D ) 1 - cytokinin 2 - cereals 4 - ABA
33. Identify any two correct labellings in the given diagram .
( d ) Premolars and molars 20 in all and 3 rooted
31. In respiration , the release of electron passed to O2 occurs
( a ) in the cytosol
( b ) in mitochondrial matrix
( c ) on the outer membrane of mitochondria
( d ) in the inner membrane of mitochondria .
32. Read the statements carefully and select the option that correctly fill up any three blanks .
A. Apical dominance in plants is the effect of 1
B. 2,4 - D is widely used as herbicide for 2
C. The application of 3 on mature monocot plant will not cause defoliation .
D. Weed free lawns are made by applying 4
( a ) 1 - auxin 3-2,4 - D , 4 - GA3
( b ) 2 - monocots 3-2,4 - D , 4 - cytokinin
( C )1 - auxin , 2 - dicots 4-2,4 - D
( D ) 1 - cytokinin 2 - cereals 4 - ABA
33. Identify any two correct labellings in the given diagram .
( a ) 1 - Paracoel , 2 - Midbrain
( b ) 2 - Diencephalon , 3 - Cerebral aqueduct
( c ) 1 - Corpus callosum, 4 - Medulla
( c ) 1 - Corpus callosum, 4 - Medulla
( d ) 2 - Diencephalon , 4 - Cerebellum
34. Chlorosis and necrosis occur due to deficiency of
( a ) Mg and K ( b ) Ca and Mg ( c ) Cu and Mo ( d ) Ca and N.
35. Select the incorrect match . Animals Organ of excretion
( a ) Rotifers Solenocytes ( b ) Annelids Nephridia
( c ) Cockroach Malphigian tubules ( d ) Cephalochordate Nephridia
36. Select correct statement about frog .
( a ) Frog has three chambered neurogenic heart .
( b ) During hibernation , frog respires only through skin .
( c ) Frog has 11 pairs of cranial nerves .
( d ) Frog do not possess endoskeleton .
37. In the following table , the sub stages of prophase - I and the related events are given . Select the correct match .
Substage Event
A. Leptotene Decondensation of chromosome
B. Zygotene Bivalent formation
C. Pachytene Crossing over and recombination nodules
D. Diplotene Terminalisation of chiasmata
( a ) A and B are correct . ( b ) Only A and D are correct .
( c ) Only B and C are correct . ( d ) B , C and D are correct .
38. What will be the direction of net osmotic movement of water if a solution A , enclosed in a semipermeable membrane , having an osmotic potential of -30 bars and turgor pressure of 5 bars is submerged in a solution B with an osmotic potential of -10 bars and 0 turgor pressure ?
( a ) Equal movement in both directions ( b ) From B to A
( c ) No movement ( d ) From A to B
39. Freshwater bony fishes maintain water balance by
( a ) excreting a hypotonic urine
34. Chlorosis and necrosis occur due to deficiency of
( a ) Mg and K ( b ) Ca and Mg ( c ) Cu and Mo ( d ) Ca and N.
35. Select the incorrect match . Animals Organ of excretion
( a ) Rotifers Solenocytes ( b ) Annelids Nephridia
( c ) Cockroach Malphigian tubules ( d ) Cephalochordate Nephridia
36. Select correct statement about frog .
( a ) Frog has three chambered neurogenic heart .
( b ) During hibernation , frog respires only through skin .
( c ) Frog has 11 pairs of cranial nerves .
( d ) Frog do not possess endoskeleton .
37. In the following table , the sub stages of prophase - I and the related events are given . Select the correct match .
Substage Event
A. Leptotene Decondensation of chromosome
B. Zygotene Bivalent formation
C. Pachytene Crossing over and recombination nodules
D. Diplotene Terminalisation of chiasmata
( a ) A and B are correct . ( b ) Only A and D are correct .
( c ) Only B and C are correct . ( d ) B , C and D are correct .
38. What will be the direction of net osmotic movement of water if a solution A , enclosed in a semipermeable membrane , having an osmotic potential of -30 bars and turgor pressure of 5 bars is submerged in a solution B with an osmotic potential of -10 bars and 0 turgor pressure ?
( a ) Equal movement in both directions ( b ) From B to A
( c ) No movement ( d ) From A to B
39. Freshwater bony fishes maintain water balance by
( a ) excreting a hypotonic urine
( b ) drinking small amount of water
( c ) excreting salt across their gills
( c ) excreting salt across their gills
( d ) excreting wastes in form of uric acid .
40. Algae and other submerged green plants often float in water during day time and sink at night because
( a ) they are sun lovers
( b ) they loose weight at night because fish and other animals eat away their parts
( c ) they become buoyant due to accumulation of oxygen as a result of photosynthesis
( d ) they become light due to consumption of food .
40. Algae and other submerged green plants often float in water during day time and sink at night because
( a ) they are sun lovers
( b ) they loose weight at night because fish and other animals eat away their parts
( c ) they become buoyant due to accumulation of oxygen as a result of photosynthesis
( d ) they become light due to consumption of food .
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ANSWER KEY
1. ( C ) 2. ( b ) 3. ( b ) 4. ( a ) 5. ( b ) 6. ( a ) 7. ( b ) 8. ( d ) 9. ( c ) 10. ( c ) 11. ( a ) 12. ( b ) 13. ( a ) 14. ( a ) 15. ( d ) 16. ( b ) 17. ( c ) 18. ( a )
19. ( a ) 20. ( c ) 21. ( a ) 22. ( d ) 23. ( d ) 24. ( d ) 25. ( b ) 26. ( c )
27. ( d ) 28. ( d ) 29. ( a ) 30. ( b ) 31. ( d ) 32. ( c ) 33. ( b ) 34. ( a )
35. ( a ) 36. ( b ) 37. ( c ) 38. ( d ) 39. ( a ) 40. ( c )
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