List of practice Questions

Plasma membrane is
Eukaryotes differ from Prokaryotes in mechanism of DNA replication due to
Find the 4th term in the expansion of (-3a - b)5
If the pth, qth, rth terms of an A.P are in G.P, then the common ratio of the G.P is
Which of the followings are the metabolic products of glucose and glutamine?
The visual display of chromosomes arranged by size, shape and banding pattern is called as
The Dihybrid test cross ratio is
____________ is the term used to refer to the use of bio-resources by multinational companies and other organizations without proper authorization from the countries and people concerned without compensatory payment
Floral characters such as single whorl of perianth or no perianth and unisexual flowers pollinated by wind were considered as primitive characters in _______________ system of classification
The equation of the second degree x2+2√2xy+2y2+4x+4√2y+1=0 represents a pair of straight lines, the distance between them is
If the circles x2 + y2 + 2x + 2ky + 6 = 0, x2 + y2 + 2ky + k = 0 intersect orthogonally, then k is
Consider points A,B,C and D with position vectors \(7\vec{i}-4\vec{j}+7\vec{k}, \vec{i}-6\vec{j}+10\vec{k}, -\vec{i}-3\vec{j}+4\vec{k}\) and \(5\vec{i}-\vec{j}+5\vec{k}\) respectively, then ABCD is a
The centre and radius of the sphere \(|2\vec{r}=(J\vec{i}-\vec{j}+4\vec{k})|=4\) are __________
The coefficient of skewnes of a distribution is 0.32. If its standard deviation is 6.5 and mean is 29.6, then the mode of the distribution is given by
A box contains 5 red and 4 white balls. Two balls are drawn successively from the box without replacement and it is noted that the second one is white. Then the probability that the first one is white is
If a,b,c are in AP, then a3+c3-8b3 is equal to
In a G.P if the (m+n)th term is p and (m-n)th term is q then its mth term is
\(\displaystyle\int\frac{dx}{cosx-sinx}\) is equal to
\(\int \sec xdx\) is
The value of the integral \(\int\limits^6_3\frac{\sqrt{x}}{\sqrt{9-x}+\sqrt x}dx\) is
The line 4x+6y+9=0 touches y2=4x at the point
The circles x2 + y2 - 4x - 6y - 12 = 0 and x2 + y2 + 6x - 8y + 21 = 0
ABCD is a square A = (1,2), B = (3,-4). If line CD passes through (3,8) then midpoint of CD is
The eccentricity of a circle e is
\(\frac{1}{2.5}+\frac{1}{5.8}+\frac{1}{8.11}+...+\frac{1}{(3n-1)(3n+2)}\) is equal to