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Of the five isomeric hexanes, the isomer which can give two monochlorinated compounds is
Anonymous Quiz
12%
n-hexane
55%
2, 3-dimethylbutane
27%
2,2-dimethylbutane
6%
2-methylpentane
SAN is also known as
Anonymous Quiz
91%
pacemaker
5%
AVN
3%
AV bundle
2%
Purkinje fibres
A patch of nodal tissue present in the right upper corner of the right atrium is called
Anonymous Quiz
1%
ventricular node
84%
sino-atrial node
13%
atrio-ventricular node
2%
atrio-ventricular septum
For which of the following purpose hepatic caeca is useful in cockroach?
Anonymous Quiz
5%
Respiration
25%
Excretion
68%
Secretion of digestive juice
3%
Sensation
Maximum volume of air a person can breathe in after forced expiration is
Anonymous Quiz
38%
Vital capacity
12%
Total lung capacity
38%
Inspiratory capacity
12%
Functional residual capacity
_______curve is obtained when percentage saturation of haemoglobin with O2 is plotted against the pO2.
Anonymous Quiz
6%
J-shaped
3%
Elliptical
89%
Sigmoid
3%
Parabolic
n-propyl bromide on treating with alcoholic KOH produces
Anonymous Quiz
5%
Propyne
21%
Propanol
6%
Propane
68%
Propene
One mole of a symmetrical alkene on ozonolysis gives two moles of an aldehyde having a
molecular mass of 44u. The alkene is
Anonymous Quiz
18%
Ethene
28%
Propene
12%
1-butene
42%
2-butene
When HBr adds on hex-1-ene in the presence of benzoyl peroxide, the product is
Anonymous Quiz
6%
2-bromohexane
14%
2,3-dibromohexane
9%
1,2-dibromohexane
70%
1-bromohexane
Beta and alpha cells secrete the following hormones in respective order:
Anonymous Quiz
73%
Insulin and glucagon
23%
Glucagon and insulin
3%
Testosterone and progesterone
0%
None of the above
Receptors for protein hormones are located:
Anonymous Quiz
7%
In cytoplasm
15%
In nucleus
68%
In cell membrane
10%
On endoplasmic reticulum
The compound that is most reactive towards electrophilic nitration is
Anonymous Quiz
49%
Toluene
13%
Benzene
13%
Benzoic acid
24%
Nitrobenzene
Which of the following acids adds to propene in the presence of peroxide to give antiMarkownikoff's product
Anonymous Quiz
3%
HF
8%
HCl
86%
HBr
3%
HI
Reaction of t-butyl bromide with sodium methoxide produces
Anonymous Quiz
4%
Isobutane
47%
Isobutylene
19%
Sodium t-butoxide
30%
t-butyl methyl ether
Which one of the following alkyl halides has the lowest boiling point
Anonymous Quiz
9%
n-butyl chloride
12%
Iso-butyl chloride
68%
Tert-butyl chloride
11%
n-pentyl chloride