MOD 2 Flashcards
Which of the following needs bile for absorption?
A. Retinol
В. Ascorbic acid
C. Biotin
D. Folic acid
A. Retinol
Young twigs of Querus Infectoria can be used to extract hydrolysable tannins like gallic and ellagic acid. It occurs when Cynips Tinctoria burrows a hole into a twig to lay its eggs.
A. The first statement is correct while the second statement is incorrect.
B. The first statement is incorrect while the second statement is correct.
C. Both statements are correct.
D. Both statements are incorrect
D. Both statements are incorrect
Which of the following triads is
correct?
A. Arbutin - Uva-ursi - Diuretic (Phenol glycolide)
B. Oenothera biennis - Evening
Primrose - (Analgesic)
C. Glycyrrhizic acid - Licorice -
Antidiabetic)
D. Morphine - Opium -(Anesthetic),
Analgene
A. Arbutin - Uva-ursi - Diuretic (Phenol glycolide)
Which of the following tannin
constituent will not decolorize potassium permanganate?
A. Pyrogallol
B. Gallic acid
C. Ellagic acid
D. Cyanidin
D. Cyanidin
Which of the following tannin
constituent will give blue-black color in FeCla
A. Catechin
B. Phlobaphene
C. Leucocyanidins
D. Geraniin
D. Geraniin
Which of the following statements
is/are true?
A. Deoxy xylulose 5-Phosphate pathway (DOXP), sometimes referred to as Methylerythritol 4-Phosphate pathway (MEP), is an alternative cytosolic biosynthetic pathway for isopentenyl pyrophosphate and dimethyl allyl pyrophosphate
B. The rate limiting enzyme of MEP is DOXP
C. The mevalonate path nway is present in mammalian systems and, as a result, is a relevant pharmacological target for modulating lipid biosynthesis.
D. A and C
E. AOTA
C. The mevalonate path nway is present in mammalian systems and, as a result, is a relevant pharmacological target for modulating lipid biosynthesis.
Which of the following statements
is/are correct?
I. Saponification value is the number of mg of KOH needed to saponify esters in 1 g of the samplel
II. Ester value is the number of mg of KOH required to neutralize the free acids and saponify the esters contained in 1 g of the sample
III. Acetyl value is the number of mg of KOH required to neutralize the acetic acid freed by the hydrolysis of acetylated sample
IV. Hydroxyl value is the number of mg KOH required to neutralize the acid combined by acylation of the sample and to hydrolyze the esters in 1g of the sample
A. I, II, III, IV
B, II, III, IV
C. I, II
D. III, IV
D. III, IV
Which of the following proteins
perform structural functions?
A. Immunoglobulins
B. Albumin
C. Keratin
D. Myosin
C. Keratin
Which of the following pairs is/are
correctly matched?
A. Flavonoid: arbutin Then glycogide
B. Aldehyde: quercitrin Have noid
C. Saponin: vanillin Aldehyde
D. Phenol: diosgenin Saponin
E. NOTA
E. NOTA
Which of the following best
represents a monosaccharide?
A. C2H6O
B. C4H8O4
С.Н606
D. C6H8O7
B. C4H8O4
Which of the following histological
layer of adrenal gland produces
mineralocorticoids?
A. Adrenal medulla B. Zona reticularis
C. Zona fasciculata
D. Zona glomerulosa
D. Zona glomerulosa
Which of the following cofactors is
needed to drive off the carboxylation of
pyruvate to oxaloacetate?
A. PLP
B. THF
C. FAD
D. H
D. H
Which of the following is/are
classified as non-saponifiable lipids?
I. Stigmasterol
II. Linolenic acid
III. Palmitic acid
IV. Limonene
A. I
В. I, IV
C. II, III
D. II, III, IV
В. I, IV
Which of the following are correctly
matched with their therapeutic use?
A. Momordica charantia -antidyslipidemia
B. Cassia alata - antifungal
C. Blumea balsamifera - anthelminthic
D. Carmona retusa - diuretic
B. Cassia alata - antifungal
Which of the following amino acids
is the most acidic?
A. Arg (aka, = 2.07, pka, = 9.04, pKas = 12.48)
B. Giu (pKa: = 2.10, pKaz = 9.47, pKas =4.07)
C.Asp (pKa: = 2.10, pKa. = 9.82, pKas =3.86)
D His (pKa: = 1.77, pKaz = 9.18, pKas =16.10)
E. C & D
E. C & D
Which of the following alkaloids
possess cholinergic effects?
A. Atropine
В. Pilocarpine
C. Hyoscyamine
D. Hyoscine
В. Pilocarpine
What is the most active form of
vitamin D that is synthesized in the
kidneys through hydroxylation reaction?
A. Ergocalciferol Di
B. Cholecalciferol Ds
C. 1.25 - dihydroxycholecalciferol -
culutre)
D. 25 - hydroxycholecalciferol
C. 1.25 - dihydroxycholecalciferol -
culutre)
What is the enzyme needed by the
salvage pathway for the synthesis of ribose-5-phosphate, a component of nucleotides?
A. Nucleotide kinases:
B. Nucleotide synthase
C. Phosphoribosyl transferases
D. Ribonucleotide reductase
C. Phosphoribosyl transferases
Water and steam distillation is the
appropriate method to obtain volatile extracts when the sample is?
A. Dried, not subjected to injury
B. Dried or fresh, may be injured by
boiling
C. Fresh
D. Cannot be distilled without
decomposition
B. Dried or fresh, may be injured by
boiling
W is an amino acid with diverse
physiological functions both in plant and mammalian systems. Which of the following metabolic intermediates commits the shikimic pathway to W synthesis?
A. Chorismate
B. Anthranilate
C. Prephenate
D. Phenyl pyruvate
A. Chorismate
Vitamin F
A. Linoleic, a-linolenic
B. Linoleic, y-linolenic
C. Oleic, a-linolenic
D. Oleic, y-linolenic
A. Linoleic, a-linolenic
Used as a macerating fluid to extract chlorophyll in guava leaves
A. Acetone
B. Acetic acid - soloniac
C. Hot benzene - Chrysander
D. Hexane fats
A. Acetone
Used as a disinfectant in Dewitts
toothache drope
A. Creosol
B. Cadinene
C. Eugenol
D. Thymol
A. Creosol
Test hydroxylase is the enzyme
needed n melanin biosynthesis. Lack of melanin can cause pigmentation diseases such as vitiligo or albinism.
A. The first statement is correct while the second statement is incorrect
B. The first statement is incorrect while the second statement is correct.
C. Both statements are correct.
D Both statements are incorrect
B. The first statement is incorrect while the second statement is correct.
Transformation of pyruvate to
acetaldehyde s catalyzed by?
A. Pyruvate decarboxylase
B. Pyruvate carboxylase
C. Pyruvate dehydrogenase
D. Pyruvate kinase
A. Pyruvate decarboxylase
This refers to cofactor that is firmly
bound to an apoenzyme
А. Zymogen
B. Holaenzyme
C. Prosthetic group
D. Second substrate
C. Prosthetic group
This plant species is well-known to
constitute this phenol glycoside eliciting delayed hypersensitivity reaction.
A. Alexandria senna
B. Salix fragilis
C. Rhus radicans
D. Rhamnus purshianus
C. Rhus radicans
This is considered as the best
source of steroidal hormones
А. Mexican cruz vanilla
B. Mexican Yam
C. American hellebore
D. European hellebore
B. Mexican Yam
This German medical student coined the term “pharmacognosy in Analecta Pharmacognostica in 1815
A. Seydler
B. Schmidt
C. Galen
D. Fluckiger
A. Seydler
This constituent of mayapple
exnibits antimitetic property which is valuable for cancer chemotherapy
A. Podophyllotoxin
B. Podophyllin
C. a-peltatin
D. a-resin
A. Podophyllotoxin
The resulting product of reduction of TAG from VLDL is a cholesterol-
dominant product called
A. HDL
B. LDL
C. VLDL
D. Chylomicrons
B. LDL
The region in a RNA transcript that
is being spliced away is called?
A. Exons
B. Introns
C. Anticodon
D. Codon
B. Introns
The reagent used in Seliwanoff test
is?
A.Resorcinol
B. Orcinol Dials
C. Phenyihydrazine ortne test
D. Sulfuric acid Lebermann-buretard
A.Resorcinol
The rate limiting enzyme in Kreb&s
cycle is?
A. Succinate-dehydrogenase
B. NADH-dehydrogenase
C. Isocitrate dehydrogenase
D. a-ketoglutarate dehydrogenase
C. Isocitrate dehydrogenase
- The rate limiting enzyme in glycogen breakdown is?
A. Glycogen hydrolase
B. Glycogen dehydrogenase
C. Glycogen phosphorylase
D. Glycogen synthase
C. Glycogen phosphorylase
The oxidizing agent present in Hubls solution
A. H2O2
B. I2
C. K2Cr2O7
D. KMnO4
B. I2
A major constituents of eucalyptus
chemically classified as?
A. Oxide
B. Phenolic ether
C. Phenol
D. Alcohol
A. Oxide