Collagen and elastin are formed by:
macrophages
fibroblasts
mast cells
chondrocytes
The rarest leucocyte of human blood is:
basophil
monocyte
neutrophil
eosinophil
Pick out the pair with a similar relationship as Asylum: Refuge
Traveler : Destination
Accident : Injury
Peace : War
Flight :Escape
None of the above
Which of the following words hold the same relationship as Wood holds with Carve?
Clay : Mould
Paper : Burn
Pipe : Blow
Trees : Sway
None of the above
{3}
{0}
{3, –13}
none of these
none of these
If ?, ? are the roots of the equation x2 + ax + b = 0, then those of x2 – ax + b = 0 are
???– ?
–?, ?
–?, –?
?, ?
If one root of the equation ax2 + bx + c = 0, a ( 0, be reciprocal of the other, then
b = c
a = c
a = 0
b = 0
The unit of ? is same as that of x and A
The unit of ? is same as that of x but not of A
Dimensions of impulse are:
[ML–2T–3]
[ML–2]
[MLT–1]
[MLT–2]
A force F is applied on a square plate of side L. If the percentage error in the determination of L is 2% and that in F is 4%. What is the permissible error in pressure?
8%
6%
4%
2%
The number of significant figures in 3400 is:
7
6
12
2
An experiment measures quantities, a, b and c, and X is calculated from X = ab2/c3. If the percentage error in a, b, c are (1%, (3% and (2% respectively, the percentage error in X will be
( 13%
( 7%
( 4%
( 1%
A compound (80 g) on analysis gave C = 24 g, H = 4 g, O = 32 g. Its empirical formula is
40 g
4 g
6 g
60 g
Normality of 2M sulphuric acid is
2N
4N
N/2
N/4
The same as its molecular weight
Half of its molecular weight
One-third of its molecular weight
One-fifth of its molecular weight
10 ml
15 ml
20 ml
40 ml
0.2 N
0.3 N
0.4 N
0.1 N