NEW
Font size
WorksheetsNEET Mock Quiz
Total questions: 15
Worksheet time: 15mins
Read the different components from I to IV in the list given below and tell the correct order of the components with reference to their arrangement from outer side to inner side in a woody dicot stem
I. Secondary Cortex
II. Wood
III. Secondary phloem
IV. Phellem
The correct order is
III, IV, II, I
I, II, IV, III
IV, I, III, II
IV, III, I, II
Chromatophores take part in
Photosynthesis
Growth
Movement
Respiration
Which of the following joints would allow no movement?
Fibrous joint
Cartilaginous joint
Synovial joint
Ball and socket joint
The wheat grain has an embryo with one large, shield-shaped cotyledon known as
epiblast
coleorrhiza
scutellum
coleoptile
A gene showing co-dominance has
One allele dominant on the other
Alleles tightly linked on the same chromosome
Alleles that is recessive to each other
Both alleles independently expressed in the heterozygote
A proton and an alpha particle both enter a region of uniform magnetic field B, moving at right angles to the field B. If the radius of circular orbits for both the particles is equal and the kinetic energy acquired by proton is 1 MeV, the energy acquired by the alpha particle will be
4 MeV
0.5 MeV
1.5 MeV
1 MeV
A plank with a box on it at one end is gradually raised about the other end. As the angle of inclination with the horizontal reaches 30o, the box starts to slip and slides 4.0 m down the plank in 4.0 s. The coefficients of static and kinetic friction between the box and the plank will be, respectively
0.6 and 0.6
0.6 and 0.5
0.5 and 0.6
0.4 and 0.3
An ideal gas is compressed to half its initial volume by means of several processes. Which of the process results in the maximum work done on the gas?
Adiabatic
Isobaric
Isochoric
Isothermal
A ball is thrown vertically downwards from a height of 20m with an initial velocity v0. It collides with the ground, losses 50% of its energy in collision and rebounds to the same height. The initial velocity v0 is
[Take, g = 10 ms-1]
14 ms-1
20 ms-1
28 ms-1
10 ms-1
In the spectrum of hydrogen, the ratio of the longest wavelength in the Lyman series to the longest wavelength in the Balmer series is
4/9
9/4
27/5
5/27
In which of the following pairs, both the species are not is isostructural?
SiCl4,PCl^-4
Diamond, carbide
NH3,PH3
XeF4,XeO4
Reaction of phenol with chloroform in the presence of dilute sodium hydroxide finally introduces, which one of the following functional group?
-CH2Cl
-COOH
-CHCl2
-CHO
Which of the following reaction(s) can be used for the preparation of alkyl halides?
I, III and IV
I and II
Only IV
III and IV
In an SN1 reaction on chiral centers there is
100% racemisation
Inversion more than retention leading to partial racemisation
100% retention
100% inversion
Number of possible isomers for the complex will be (en=ethylenediamine)
2
1
3
4
