MCQ NO 1373 | GATE 2003
Polyploidy is defined as
Polyploidy is defined as
Anonymous Quiz
19%
(a) Addition of one chromosome
63%
(b) Multification of entire chromosome set
16%
(c) Submicroscopic change in DNA material
2%
(d) Gross structural change
MCQ NO 1375 | GATE 2003
The starting material for the synthesis of ALPRAZOLAM is
The starting material for the synthesis of ALPRAZOLAM is
Anonymous Quiz
20%
(a) 3-amino-5-bromoactophenone
39%
(b) 2-amino-5-chloroactophenone
29%
(c) 2-amino-5-chlorobenzophenone
11%
(d) 3-amino-5-chlorobenzophenone
MCQ NO 1376 | Pharmacology
A highly selective serotonine reuptake inhibitor is:
A highly selective serotonine reuptake inhibitor is:
Anonymous Quiz
5%
Paroxetine
36%
Fluoxetine
13%
Sertaline
45%
All of the above
MCQ NO 1377 | Pharmacology
The choice of benzodiazepines for anxiety is based on:
The choice of benzodiazepines for anxiety is based on:
Anonymous Quiz
12%
A low risk of physiologic dependence
18%
Availability of flumazenil for treatment of overdose
10%
A relatively high therapeutic index
60%
All of the above
MCQ NO 1378 | Pharmacology
Which of the following antidepressants has significant alfa2-adrenoreceptor antagonism?
Which of the following antidepressants has significant alfa2-adrenoreceptor antagonism?
Anonymous Quiz
18%
Doxepin
34%
Mirtazapine
22%
Nefazodone
26%
Amitriptyline
MCQ NO 1379 | Pharmacology
The principal mechanism of action of antidepressant agents is:
The principal mechanism of action of antidepressant agents is:
Anonymous Quiz
13%
Stabilization of dopamine and beta-adrenergic receptors
58%
Inhibition of the storage of serotonin and epinephrine in the vesicles of presynaptic nerve endings
25%
Blocking epinephrine or serotonin reuptake pumps
4%
Stimulation of alfa2-norepinephrine receptors
MCQ NO 1380 | Pharmacology
Lithium carbonate is useful in the treatment of:
Lithium carbonate is useful in the treatment of:
Anonymous Quiz
17%
Trigeminal neuralgia
13%
Neurosis
65%
Bipolar disorder
6%
Petit mal seizures
MCQ NO 1381 | Microbiology
Cytoplasmic streaming is present in.....
Cytoplasmic streaming is present in.....
Anonymous Quiz
19%
Prokaryotes
8%
Animals
26%
Eukaryotes
48%
Both a and b
MCQ NO 1382 | Microbiology
Which stain used to demonstrate fungus?
Which stain used to demonstrate fungus?
Anonymous Quiz
40%
Lactophenol cotton blue
42%
Nigerosin
12%
Albert
6%
None of these
MCQ NO 1383 | Microbiology
Bacterial capsule is chemically composed of.......
Bacterial capsule is chemically composed of.......
Anonymous Quiz
18%
Polysaccharides
69%
Polypeptides or polysaccharides
9%
Polynucleotides
4%
Polypeptide
MCQ NO 1384 | Microbiology
Teichoic acids and Teichuronic acids are found in......
Teichoic acids and Teichuronic acids are found in......
Anonymous Quiz
28%
Gram negative bacteria
41%
Gram positive bacteria
25%
Both a and b
6%
Fungi
MCQ NO 1385 | Microbiology
Presence of viruses in the blood stream is known as..
Presence of viruses in the blood stream is known as..
Anonymous Quiz
8%
Bactericidal
23%
Septicaemia
16%
Bacteraemia
53%
Viraemia
MCQ NO 1386 | Biochemistry
Which one is the largest particulate of the cytoplasm?
Which one is the largest particulate of the cytoplasm?
Anonymous Quiz
40%
Entoplasmic reticulum
27%
Golgi apparatus
29%
Mitochondria
4%
Lysosomes
MCQ NO 1387 | Biochemistry
Bulk transport across cell membrane is accomplished by........
Bulk transport across cell membrane is accomplished by........
Anonymous Quiz
13%
Extrusion
17%
Pinocytosis
21%
Phagocytosis
49%
All of these
MCQ NO 1388 | Biochemistry
In mammalian cells rRNA is produced mainly in the?
In mammalian cells rRNA is produced mainly in the?
Anonymous Quiz
15%
Nucleolus
40%
Ribosome
32%
Endoplasmic reticulum
13%
Nucleus
MCQ NO 1389 | Biochemistry
A positive Seliwanoff’s test is obtained with.......
A positive Seliwanoff’s test is obtained with.......
Anonymous Quiz
30%
Glucose
24%
Lactose
34%
Sucrose
12%
Maltose
MCQ NO 1390 | Biochemistry
Phenylalanine is the precursor of.........
Phenylalanine is the precursor of.........
Anonymous Quiz
61%
Tyrosine
9%
Throxine
14%
Histamine
16%
L-DOPA
MCQ NO 1391 | Pharmacology
The term “biotransformation” includes the following:
The term “biotransformation” includes the following:
Anonymous Quiz
5%
Accumulation of substances in a fat tissue
81%
Process of physicochemical and biochemical alteration of a drug in the body
7%
Process of Accumulation of substances in a tissue
7%
Process of Binding the substances with plasma proteins
MCQ NO 1392 | Pharmacology
Which of the following processes proceeds in the second phase of biotransformation?
Which of the following processes proceeds in the second phase of biotransformation?
Anonymous Quiz
10%
Hydrolysis
73%
Acetylation
11%
Oxidation
5%
Reduction
MCQ NO 1393 | Pharmacology
If an agonist can produce submaximal effects and has moderate efficacy it’s called ?
If an agonist can produce submaximal effects and has moderate efficacy it’s called ?
Anonymous Quiz
5%
Antagonist
21%
Agonist-antagonist
13%
Full agonist
61%
Partial agonist
MCQ NO 1394 | Pharmacology
Irreversible interaction of an antagonist with a receptor is due to:
Irreversible interaction of an antagonist with a receptor is due to:
Anonymous Quiz
40%
Covalent bonds
12%
Ionic bond
14%
Hydrogen bonds
34%
All of the above