MCQ NO 1373 | GATE 2003
It is possible to initiate the development of complete plants from callus cellCultures by suitable manipulation of the medium with respect to
It is possible to initiate the development of complete plants from callus cellCultures by suitable manipulation of the medium with respect to
Anonymous Quiz
19%
(a) Minerals
27%
(b) Vitamins
27%
(c) Carbohydrates
27%
(d) Hormones
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