CBSE JEE NEET PRACTICE QUESTIONS

The following figure is related to head region of cockroach. Identify A to F.

The following figure is related to head region of cockroach. Identify A to F.

[ QUESTION OF THE DAY ] The pre-exponential factor 'A' in the Arrhenius equation depends on which of the following?

The third stage of parturition is called “after-birth”. In this stage

Diaphragms are contraceptive devices used by the female. Choose the correct option from the statement given below . I) They are introduced into the uterus ii) They are placed to cover the cervical reason iii) They act as physical barriers for sperm entry

Diaphragms are contraceptive devices used by the female. Choose the correct option from the statement given below . I) They are introduced into the uterus ii) They are placed to cover the cervical reason iii) They act as physical barriers for sperm entry

Assertion : Almost all (99.9%) nucleotide bases are exactly the same in all people. Reason : The human genome consists 3164.7 billion nucleotide bases.

A m-RNA has 69 nucleotides then how many amino acids are formed by this m-RNA?

Terminal Potential across 10 V battery is x & across 2 volt battery is y. If [x+y=11A/3 ] find the of A?

Assertion : A current element is a source of magnetic field. Reason: A moving charge is a source of magnetic field.

The intensity of electric field at a point between the plates of a charged capacitor

There is an electric field E in x-direction. If the work done on moving a charge of 0.2 C through a distance of 2 m along a line making an angle 60° with x-axis is 4 J, then what is the value of E ?

Assertion : At a point electrostatic field is zero, then potential at that point is also zero. Reason : Negative of potential gradient is equal to the electric field intensity.

Which of the following viruses is not transferred through semen of an infected male?

Assertion(A): If the distance between charged plates and isolated parallel plate capacitor increases then the force between plates decreases. Reason (R): Capacitance of a sphere is given by 0 4 R, π ∈ where R is the radius of the sphere.

How many amino acids will be coded by the mRNA sequence --5' CCCUCAUAGUCAUAC 3' if a adenosine residue is inserted after 12th nucleotide ?