List of practice Questions

Which of the following expressions gives the de-Broglie relationship?

Which of the following element is responsible for Minamata disease?

Which of the following acids has the smallest dissociation constant?

When $KI$ is added to acidified solution of sodium nitrite, then

What is the structural element of cell wall?

Water vascular system is present in which of the following phylum?

Two identical concentric rings each of mass $m$ and radius $R$ are placed perpendicularly. What is the moment of inertia about axis of one of the rings

The vector of the kala- azar is

The value of $\cos \frac{\pi}{15}\, \cos \frac{2\pi}{15}\, \cos \frac{4\pi}{15}\, \cos \frac{8\pi}{15} $ is

The phenomenon of plasmolysis is evident when cells are kept in

The angle of minimum deviation for a prism is $40^{\circ} $ and the angle of the prism is $60^{\circ} $ . The angle of incidence in this position will be

Surface tension vanishes at

Proximal centriole of the sperm is located in

Poikilotherms are also known as

Lysosomes, the suicidal bags were first observed by

Liquid, which collects in Bowmans capsule is

In which of the following phyla, compound eyes are present?

In which triploblastic animal, coelom is absent?

In floral formula (K) denotes

The order and degree of the following differential equation $\left[1+\left(\frac{dy}{dx}\right)^{2}\right]^{5/2} = \frac{d^{3}y}{dx^{3}}$ are respectively

The differential equation of the family of circles passing through the fixed points $(a, 0)$ and $(-a, 0)$ is

The value of the integral $\int\limits_{-a}^{a} \frac{xe^{x^2}}{1+x^{2}} dx $ is

The value of $\displaystyle\lim_{n\to\infty}\left(\frac{1}{n+1} +\frac{1}{n+2}+... +\frac{1}{6n}\right)$ is

Human sperm moves by

Group of algae in which sexual reproduction is absent