Four electric changes A, B, C, D are arranged as shown. The electric force will be least between charges

The potential gradient between the two charged plates having separation of 0.5 cm and potential difference of 12 volt is

A magnet is allowed to fall freely above a ring shaped mental which is having a cut in it as shown in the figure. When magnet fall towards ring then

A straight wire of diameter 0.5 mm carrying a current of 1 A is replaced by another wire of 1mm diameter carrying same current. The strength of magnetic field away at the same distance

Electric potential at a point distance 1m from 2μC charge is, 

If length and diameter of a conductor is doubled, the resistance

If current through resistor is halved, wattage developed by it would be,

In fig. a fuse in one of the bulbs causes all the other to go out. Which bulb has fused?

Two plates are 1 cm apart and the potential difference between them is 10V. The electric field between the plates is

A point charge q is rotating around a charge Q in a circle of radius r. The work done on it by the coulomb force

The unit of intensity of electric field is

Velocity selector is a device used to determine the velocity of charge particles, it works with 

Two resistors 6 and 9 are connected in series to a 120 V battery. The power consumed by the 6 resistor is,

If 4 × 10²⁰ eV of energy in required to move a charge of 1C between two points, the P. D between the points is

The direction of induced current in a loop can be determine by

The slope of the graph shown in figure below is

If the potential difference across two plates of a capacitor is doubled, then energy stored in it will be 

Electron volt is the unit of

When two charges are of equal magnitude q, force they exert on each other is F. When one of charge is doubled, the 2q charge exerts a force of 2F on charge q. The force exerted by charge q on 2q is

A spherical rubber charged ball is shown which is hollow in shape as shown in the figure. If the surface has a potential of +5V then what can be assumed about potential point at “P” ,

The resistance of a capacitor connected with battery is

A soap bubble is given a negative charge; then its radius 

If a body has positive charge of 10–12 coulomb:

The dielectric constant K of an insulator can be

For the isolated charged conductor shown in figure, the potential at points A,B,C and D  are  and   respectively, then 

The electric potential at the surface of an atomic nucleus  of radius  is:

When an alpha particle is accelerated by a Potential difference of 3 volts, its energy is

If the radii of a solid and hollow sphere are same, which are one hold greater charge? 

An electron is moving around the nucleus of a hydrogen atom in a circular orbit of radius r the coulomb force  between the two is

The SI unit of temperature coefficient of resistivity is. 

When the temperature of conductor increase, its resistance

Charge to mass ratio (e/m) of a charged particle is also called 

The value of e/m of an electron

If we fill the tube with CO2 instead of H2 then 

Which statement is false about BeO 

The metal “M” in the above reaction may be

The most reactive element among the following is 

Which of the following shows abnormal 1st electron affinity value 

Which one of the following is more soluble in water 

Which of the following ion has the highest value of ionic radius 

The metal “M” in a above reactions may be 

The correct order of atomic radii is 

Correct order of melting point of group II A elements

The element with atomic number 12 belongs to ______ group and _______ period 

Which of the following will react with sodium metal 

Carbocation are NOT reaction intermediates in 

Chain isomerism is shown by 

Which of the following is NOT a metal catalyst for the hydrogenation of an alkene 

Benzoic acid is the product when all of them are oxidized by KMnO₄, except one

Alkaline KMnO₄ in cold state reacts with R – CH = CH – R to give 

Select the propagation step during free radical mechanism of chlorination of methane    

In which of the following acetophenone is formed 

The electrophile in the chlorination of benzene in the presence of FeCl₃ is  

In the free radical chlorination of methane, initiation step involves the formation of  

If C ₆H ₆ reacts with acetyl chloride in the presence of iron trichloride, the product formed belongs to 

A   “A” in the above reaction is 

, takes place in presence of 

Which one of the following compound is not organic in nature  

Geometrical isomerism in alkenes is due to 

Which of the following shows geometrical isomerism 

The expected Markonikov’s addition product of HI to 2-Methyl-2-butene 

What are the suitable conditions for dehydration of primary alcohol 

When 2-bromobutane reacts with alc.KOH, major product will be  

When propene reacts with Cl₂ in the presence of CCl₄, the product will be 

The alkyl hydrogen sulphates on heating with water decompose to give 

ckWhich of the following compounds is NOT aromatic 

Aqueous suspension of _______ is called milk of lime

Benzene and toluene can be identified by

Amongst the following the compound that can most readily get sulphonated is 

The IUPAC name of CH₂ = CHC (CH₃) ₃ is 

CH₃CH₂CH₂OH is a functional group isomer of 

Which of the following electronic arrangement refers to transition elements 

Among the following series of transition metal ions, the one where all metal ions have 3d2 electronic configuration is 

Which one of the following characteristics of the transition metal is associated with their catalytic activity? 

Transition metals form the complexes usually due to

Which one of the following pairs of ions have colourless complexes

The charge on coordination sphere in K3[Co(NO₂)6] is 

Strongly paramagnetic pair is 

Colour in transition metal compounds is attributed to 

The maximum oxidation state of Mn is 

If –COOH,–OH and groups are present in a compound, principal functional group is 

When an alkene undergoes hydrogenation the product is an 

The typical transition element is  

Which type of isomerism is not possible in alkenes

The binding energy order is 

Which statement is incorrect for combination of non-metals H, O, C and N with transition elements 

An alkene in which the two carbons of the double bond are not equivalently substituted is called

Electrophilic addition of which of the following reagent in propene would not follow Markownikoff’s rule  

Which of the following is correct about neurons?

Which of the following is not present in neurons?

A typical reflex arc includes ______ fundamental parts.

Glands and muscles respond when they are stimulated by impulse coming via:

Action membrane potential in established by:

Concentration of potassium ions inside the axoplasm of neuron is______ times to the outside of neuron.

Part of nervous system that conduct signals to and from the brain, control reflex activities is:

by the synaptic cleft of only_____.

Arrange the following in correct order:1. Fusion of synaptic vesicles to presynaptic membrane.2. Influx of calcium ions in presynaptic membrane.3. Arrival of action potential at synaptic knob. 4. Binding of acetylcholine to receptors site.

Which of the following is not an example of reflex action?

In vertebrates simple reflex action is:

Peristalsis/deglutition of food in alimentary canal is controlled by:

Velocity of nerve impulse depends upon:

After an action potential , nerve fibre undergoes a period of recovery in which it regains its original ionic distribution and polarity and prepares itself for the next stimulation is called:

Almond shaped mass of neuron that control feelings and emotions of hate, fear, rage and sexual arousal is:

Pick the incorrect statement about parasympathetic nervous system:

Taste receptors present ontongue surface is an example of:

The ______ is located in an arc between the thalamus and cerebrum.

Insulin decrease blood glucose level by all of the following except:

Target site for which of the following is present on anterior lobe of pituitary?

Which of the following is not an example of steroid hormone?

Pick incorrect statement about hormones:

Receptor for which of the following hormone is present in cell cytoplasm?

Which of the following is a primary hormone of hypothalamus?

Overproduction of growth hormone occur in adult life, in which bones are no longer capable of increasing in length but grow in thickness is called:

Functionally spinal nerves are:

Testosterone produced from:

Which of the following is not an example of gonadotropic hormones?

Hormone produced by mucosa of pyloric region of stomach is: 

Hypoglycemia may occur as a result of:

Which of the following is a part of nervous as well as endocrine system?

Which of the following is an example of positive feedback mechanism?

Total number of spinal nerves in human body are:

Nerve impulse is carried across neuromuscular junction through:

Cell body of sensory neuron present in:

ADH secretion is stimulated by decrease in blood pressure and blood volume, which detected by osmoreceptors in:

Which of the following is incorrect about Grave’s disease?

Support, protection and nourishment of neurons, these functions are related to:

Total number of parathyroid glands is/are:

It acts as precursor for steroid hormones:

Gliding joint is present between:

The joint between adjacent vertebrae that includes an intervertebral disc is classified as which type of joint?

Hyaline cartilage is not present in: