MCQ
Which among the following group 15 elements does not exhibit allotropy?
  • A
    Sb
  • B
    N
  • C
    As
  • Bi

Answer

Correct option: D.
Bi
D

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

If the line $\frac{x}{-3}=\frac{y}{2}=\frac{z}{5}$ is perpendicular to the line$\frac{x-2}{2}=\frac{ y -1}{ k }=\frac{ z -3}{ k +11}$, then the value of k is ______.
A population is a group of all ____________ in a given time.
In which of the following pattern megaspores formed after meiosis of megaspore mother cells are arranged in angiosperms?
The equiconvex lens has a focal length 'f'. If the lens is cut along the line perpendicular to the principal axis and passing through the pole, what will be the focal length of any half part?
Which diseases is caused by the hypersecretion of mineralocorticoids and glucocorticoids?
Fill up the blanks with suitable words and select the correct option.

The ability of the pistil to recognize pollen is dependent on ____________ components and ____________ guide the entry of pollen tube. This study leads to help ____________ in getting ____________ even in ____________.

p. Chemical

q. Plant breeders

r. Hybrids

s. Incompatible pollination

t. Synergids

`"d"/"dx" [(cos x)^(log x)]` = ______.
An alternating e.m.f. of frequency 50 Hz is applied across series combination of resistor 'R' and inductance$e \left(\frac{\sqrt{3}}{\pi}\right)$H. If the phase difference between applied e.m.f. and current 'I' is 60°, then the value of R is $\left[\tan 60^{\circ}=\sqrt{3}, \sin 60^{\circ}=\frac{\sqrt{3}}{2}, \cos 60^{\circ}=\frac{1}{2}\right]$
Relative permittivity and permeability of a material are `epsilon_"r"` and `µ_"r"` respectively. Which of the following values of these quantities are allowed for a diamagnetic material?
"Lever - mechanism" for achieving insect pollination is seen in ______