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Q.76    Which of the following statements are true for ginseng root?
[P] It is among the most traded plant material of Brazil. [Q] It is obtained from Panax ginseng and Panax quinquefolium. [R] It is obtained from young plants of six months to one year age. [S] It contains derivatives of protopanaxadiol.
(A)   P&Q    (B)   R&S    (C)   Q&R    (D)   Q & S

Q.77    Which of the following alkaloids is derived from tyrosine?
(A)   Quinine    (B)   Morphine    (C)   Atropine    (D)   Ephedrine

Q.78    Anomocytic stomata, trichomes with collapsed cell and absence of calcium oxalate crystals are some of the microscopic features of which plant?
(A)   Digitalis    (B)   Hyoscyamus    (C)   Mentha    (D)   Senna

Q.79    A glycoalkaloid,
[P] contains sulphur in addition to nitrogen in its molecule.
[Q] is glycosidic in nature.
[R] can be hydrolysed to an alkaloid.
[S] always contains endocyclic nitrogen in its molecule.
Choose the correct option.
(A)   P&R    (B)   Q&S    (C)   Q&R    (D)   P&Q

Q.80    Which of the following drugs is a triterpenoid containing root?
(A)   Valerian    (B)   Brahmi    (Q5   Satavari    (D)   Adusa

Q.81    The following options carry the name of the plant, part used and its family.   Find a WRONG combination.
(A)    Aegle marmelos, fruit & Rutaceae
(B)    Conium maculatum, fruit & Umbelliferae
(C)    Glycyrrhiza glabra, root and stolon & Leguminosae
(D)    Strophanthus gratus, seed & Scrophulariaceae

Q.82    Each of the following options lists the name of the drug, its class, pharmacological action and plant source. Choose an option showing a WRONG combination.
(A)    Asafoetida, oleo-gum-resin, anti-flatulence, Ferula foetida
(B)    Benzoin, balsam, antiseptic, Styrax benzoin
(C)    Myrrh, gum-resin, antiseptic, Commiphora wightii
(D) Papaine, enzyme, proteolytic, Carica papaya

Q.83    Determine the correctness or otherwise mt the following Assertion [a] and the Reason [r]:
Assertion (a) : Tannins are polyphenohc substances occurring in plant cell sap.
Hydrolysable and condensed tannins are differentiated by match stick test.
Reason (r)     : The condensed tannin- are resistant to acid hydrolysis, therefore stain the lignin present in match stick.
(A)    Both (a) and (r) are true, and r . -    reason for (a)
(B)    Both (a) and (r) are true, but (r is NOT :he correct reason for (a)
(C)    (a) is true but (r) is NOT the correct reason for (a)
(D)    Both (a) and (r) are false

Q.84    In  acetate  mevalonate   pathway  geranyl  pyrophosphate  leads  to  formation  of monoterpenes, the major constituents of volatile oils.
[P] Geranyl pyrophosphate contains two isoprene units
[Q] Monoterpenes have 15 carbon atoms
[R] The two isoprene units condense in head to tail fashion to give monoterpenes
[S] Isoprene unit has molecular formula of C5 H8.
Which one of the given statements is correct?
(A)    P is    true, Q is false, R is true, S    is false
(B)    P is    false, Q is true, R is true, S    is false
(C)    P is    true, Q is true, R is false, S    is true
(D)    P is    true, Q is false, R is true, S    is true

Q.85    Determine the correctness or otherwise of the following Assertion [a] and the Reason [r]:
Assertion (a) : Castor oil is soluble in alcohol and is used as purgative.
Reason (r)     : The oil contains ricinoleic acid having a hydroxyl group at C-12 position which is responsible for its solubility in alcohol and its purgative action.
(A)    Both (a) and (r) are true but (r) is NOT the correct reason for (a)
(B)    (a) is true but (r) is NOT the correct reason for (a)
(C)    Both (a) and (r) are true and (r) is the correct reason for (a)
(D)      Both (a) and (r) are false

Q.86    Which of the following drugs does NOT induce mydriasis?
(A)   Atropine    (B)   Ephedrine    (C)   Phentolamine   (D)   Cocaine

Q.87    Which of the following beta blockers has been shown clinically to reduce mortality in patients of symptomatic heart failure?
(A)   Atenolol    (B)   Carvedilol    (C)   Propranolol       (D)   Esmolol

Q.88    Rhabdomyolysis is the side effect associated with which of the following classes of drugs?
(A)   ACE inhibitors    (B)   Statins
(C)   Calcium channel blockers    (D)   Sodium channel blockers

Q.89    Patients taking isosorbide mononitrate or nitroglycerine should be advised not to take sildenafil. This drug-drug interaction causes which of the following actions?
(A)   Respiratory failure    (B)   Severe hypotension
(C)   Prolongation of QT interval    (D)   Myocardial ischemia

Q.90    Which of the following statements is TRUE for angiotensin-II?
(A)   Causes myocyte hypertrophy
(B)    Decreases the action of sympathetic nervous system -f
(C)    Increases force of myocardial contraction
(D)    Decreases the synthesis and release of aldosterone