List of practice Questions

$\frac{\sin( -660?) \, \tan(1050?) \, \sec(- 420?)}{\cos( 225?) \, cosec(315?) \, \cos(510?)} $ =

$\sin\left(\frac{1}{2} \cos^{-1} \frac{4}{5}\right)$ is equal to:

$\sin^{-1} \left(\cos \frac{\pi}{6}\right) $ is equal to:

SI Unit of a physical quantity whose dimensional formula is $m^{-1}L^{-2}A^2$ is

SI unit of Coefficient of viscosity is

Sexual reproduction in fungi occurs by all of the following except

'Sex ratio' means

Sexual reproduction in fungi is carried out by the fusion of compatible nuclei from two parents at a definite stage in the life cycle. Identify the different types of sexual reproduction occurring in fungi from the given figures and select the correct option.

Select the pairs of sedimentary biogeochemical cycles. I. Hydrogen cycle and water cycle II. Phosphorus cycle and sulphur cycle III. Calcium cycle and magnesium cycle IV. Carbon cycle and nitrogen cycle

Select the question having the answer as 'Yes'? (1) can a dimensional quantity be unitless ? (2) can a quantity having units be dimensionless ? (3) can a quantity have different dimensions in different sy stems of units ? (4) can the magnitude of a quantity be different in different systems of units ?

Seminal plasma, the fluid part of semen, is contributed by (i) seminal vesicle (ii) prostate (iii) urethra (iv) bulbourethral gland

Select the incorrect statement about external fertilisation.

Select the Incorrect statement regarding the plasma membrane

Select the incorrect statement with respect to the category, 'genus'.

Select the monocarpic plant out of the following.

Select the incorrect pair out of the following.

Seed plants are all

Select the correct statement from the following statements. (i). Increase in mass and increase in number of individuals are twin characteristics of growth. (ii). Metabolic reactions can also be demonstrated outside the body in isolated cell-free systems. (iii). 'Response to stimuli' is a defining property of living organisms.

Select the correct statement(s) regarding the structure of a mature embryo sac. (i) Egg apparatus is situated towards chalazal end. (ii) Antipodal cells are situated towards micropylar end. (iii) A typical angiospermic embryo sac is $7$-celled, $8$-nudeate at maturity.

Select the incorrect match from the following.

Secondary growth usually does not occur in

Same current ''i'' is flowing in three infinitely long wire along positive x, y and z directions. The magnetic field-at a point (0,0-a) would be

$S_N1$ reaction is fastest in