MHT - CET MCQ

For which logic gate the following statement is true? The output is high if and only if all inputs are high.

In light emitting diode (LED), light is given out due to ______.

Out of the following graphs which graph shows the correct relation for LC parallel resonant circuit?
A.B.C.D.

In a series LCR circuit at resonance, the applied e.m.f. of the source and current in the circuit are ______.

Two coils of wire A and B are placed mutually perpendicular as shown. When current is changed in any one coil.

A step-up transformer has 300 turns of primary winding and 450 turns of secondary winding. A primary is connected to 150 V and the current flowing through it is 9A. The current and voltage in the secondary are 

Magnetization of the sample is ______.

All atoms of a magnetic substance have a resultant magnetic moment even in absence of external magnetic field. The substance is ______.

The susceptibility of a magnetic material is positive and small. The material is ______.

The range of the voltmeter is 'V' when 50 n resistance is connected in series. Its range gets doubled when 500 Ω resistance is connected in series. The resistance of voltmeter is ______.

A galvanometer of resistance 100 Ω requires 10 µA current for full scale deflection. Now a resistance of 1 Ω is connected to convert it into an ammeter. The minimum current required to obtain full scale deflection is ______.

Sensitivity of a given potentiometer can be decreased by ______.

Five capacitors each of capacitance 'C' are connected as shown in the figure. The ratio of equivalent capacitance between P and R and the equivalent capacitance between P and Q is ______.

The equivalent capacity of two capacitors in series is 3µF and in parallel is 16µF. Their individual capacities in µF are ______.

When a beam of unpolarised monochromatic light is incident on a plane glass plate at a polarizing angle, then which one of the following statements is correct?

The condition for observing Fraunhofer diffraction pattern from an obstacle is that the light wavefront incident on it must be ______.

In Young's double slit experiment green light is incident on the two slits. The interference pattern is observed on a screen. Which one of the following changes would cause the observed fringes to be more closely spaced?

An organ pipe has fundamental frequency 100 Hz. If its one end is closed, the frequencies produced will be ______.

Two identical strings of length 'l' and '2l' vibrate with fundamental frequencies 'N' hertz and '1.5 N' hertz, respectively. The ratio of tensions for smaller length to larger ______.

A simple pendulum of length I has a bob of mass m. It executes SHM of small amplitude A. The maximum tension in the string is (g = acceleration due to gravity)

A block of mass 'M' is suspended from one end of a spring of force constant 'k'. The other end is rigidly attached to a horizontal platform. The mass oscillates vertically with a time period 'T'. If the mass gets detached from the spring, then the length of the spring will be shortened by (g = acceleration due to gravity).

An ideal gas at 27°C is compressed adiabatically to (8/27) of its original volume. If ratio of specific heats, y = 5/3 then the rise in temperature of the gas is ______.

A large vessel completely filled with water has two holes 'A' and 'B' at depths 'h' and '4h' from the top. Hole 'A' is a square of side 'L' and hole 'B' is circle of radius 'R'. If from both the holes same quantity of water is flowing per second, then side of square hole is ______.

The Reynold's number for a liquid flow in a tube does NOT depend on ______.

Two bodies have their moments of inertia I and 2I respectively about their axes of rotation. If their kinetic energies of rotation are equal, their angular momenta will be in the ratio ______.

A particle of mass m is performing UCM along a circle of radius r. The relation between centripetal acceleration a and kinetic energy E is given by

A horizontal circular platform of mass 100 kg is rotating at 5 r.p.m. about vertical axis passing through its centre. A child of mass 20 kg is standing on the edge of platform. If the child comes to the centre of platform then the frequency of rotation will become ______.

The depletion layer in the p-n junction diode is caused by ______.

For the same angle of incidence, the angle of refraction in four media A, B, C and D are 25°, 30°, 35° and 40° respectively. The speed of light is least in medium ______.

A mass M moving with velocity 'v' along x-axis collides and sticks to another mass 2M which is moving along Y-axis with velocity 3v. After collision, the velocity of the combination is ______.

A particle is moving in uniform circular motion with speed 'V' and radius 'R'. The angular acceleration of the particle is ______.

Which of the following polymers contain ester linkage?

Which of the following properties is of the thermosetting polymers?

Which of the following statements is NOT true for glyceraldehyde?

Which following reagent is used to detect presence of five hydroxyl groups in a glucose molecule?

Which among the following amino acids has lowest molar mass?

Which group from following decreases the basic strength in substituted aniline?

Identify the product obtained when benzamide is treated with bromine and aqueous sodium hydroxide?

Which of the following compounds is obtained on ozonolysis of followed by reduction with Zn dust and water?

Which of the following is a Stephen reaction?

Which of the following alcohols has tertiary allylic carbon?

Which of the following reagents is used to convert phenol to benzene?

When methoxy benzene reacts with HI at room temperature the products formed are ______.

Which of the following is NOT formed when an equimolar mixture of bromomethane and bromobenzene is treated with sodium metal in dry ether?

The number of optical isomers possible for 3, 4-dichloropentan-2-ol is ______.

Identify monodentate ligand from following.

Which among the following is an ambidentate ligand?

Which statement from following is true for a complex hexaminecobalt (III) chloride?

Which among the following elements is NOT a lanthanoid?

What is the role of tuyers used in blast furnace for extraction of iron?

Which is the lowest oxidation state possessed by chlorine in it's oxyacids?

Which of the following equation is correct to determine osmotic pressure using van't Hoff equation?

Which of the following solution will have highest freezing point depression?

Relative lowering in vapour pressure of a solution containing non-volatile solute is the ratio of ____________.

Fullerene is an example of ____________.

What is the torsion angle in staggered conformation of ethane?

The most unstable free radical among the following is:

Which of the following alkyl groups shows maximum positive inductive effect?

Smoke is an example of ____________.

Volume of a balloon at 25°C and 1 bar pressure is 2.27 L. If the pressure of the gas in balloon is reduced to 0.227 bar, what is the rise in volume of a gas?

Which of the following compounds is known as slaked lime?

Which of the following is correct decreasing order of the repulsive Interaction of electron pairs in a molecule?

Which of the following hydride does not obey law of constant proportion?

Which one of the following is an example of in situ conservation of biodiversity?

Gaurav visited a zoo where he saw tiger, lion, camel, musk deer, red fox, one-horned rhinoceros, great Indian bustard and peacock. He wanted to report the endangered species from the above list. The number will be ____________.

The monitoring stations, established by NEERI, have reported that Kolkata and New Delhi have highest ____________ and ____________ in air respectively.

In xerarch succession which one of the following brings about initial weathering of rocks to form soil?

Which one of the following in NOT a mode of nutrition in fungi?

Which one of the following plays an important role in recycling of nutrients on earth?

Logistic growth curve has many phases which are respectively:

Here is the figure depicting annual variations in biomes. Fit in the correct match from the list

1. Temperate forest
2. Tropical forest
3. Coniferous forest
4. Grassland
5. Desert
6. Arctic and Alpine tundra

Which of these is/are considered the major biomes of the world.

Which spectrum of the light harmful to organism: ____________.

Gene of which of the following is NOT there in genetically modified golden rice?

Polymerase Chain Reaction is made possible by ____________.

The process in which sample DNA and probe DNA form double stranded DNA is called ____________.

Which one of the following is NOT a genetic material in bacteriophage?

In PCR technique, the organism providing thermostable DNA polymerase is a ____________.

Select the correct match from the following.

To get a disease-free plant from a virus infected plant, which one of the following can be used as an explant in tissue culture?

Match the enzyme in column l with its microbial source in column ll and select the correct alternative.

	Column I		Column II
(i)	lnvertase	(a)	Rhizopus sp
(ii)	Pectinase	(b)	Saccharonmyces cerevisiae
(iii)	Lipase	(c)	Trichoderma konigi
(iv)	Cellulase	(d)	Sclerotiana libertine

Mice are appropriate choice as transgenic animals for following reasons EXCEPT.

Cheese is a milk product of fermentation carried but by ____________.

Column - I contains names of host plant while Column - II contains names of viral dieases. Find the correct option.

	Column-I		Column-II
(I)	Banana	(p)	little leaf
(II)	Sugarcane	(q)	bunchy top
(III)	Papaya	(r)	leaf roll
(IV)	Brinjal	(s)	grassy shoot
		(t)	leaf curl

Diacetylmorphine is extracted from ____________.

With reference to antibodies, opsonisation means ____________.

Antibiotics used in the control of infectious diseases are ____________.

Discoloration, thickening, crumbling and falling off of nails in Ringworm infection is termed as ____________.

An adult man feels excessive thirst and excretes large volume of dilute urine. He may be suffering from ____________.

Hormone Cortisol stimulates following processes EXCEPT ____________.

Which cranial nerve controls the movement of neck and tongue?

Which statement is correct regarding spinal nerves in man?

Loss of sense of small in a person may indicate damage to ____________ part of his brain.

Ophthalmic, maxillary and Mandibular nerves are branches of ____________ cranial nerve.

The impulse for voluntary muscles for forced breathing starts in ____________.

Which one of the following has the smallest diameter?

Sphygmomanometer is used to ____________.

Select the correct match.

Lymphocyte : antibodies :: Basophil : ____________.

Which one of the following is NOT an extrinsic factor in the development of plants?

Which hormone is produced mostly in all parts of a plant?

Which phytohormone is useful for formation of interfascicular cambium during secondary growth of plants?

Which phytohormones is useful for leaf expansion in leafy vegetable?

The diffusion pressure of pure water is theoretically ____________ atm.

Find the physical process NOT involved in absorption of water in plants.

Oozing of sap from the cut end of herbaceous plants is due to ____________.

The tubular, colorless delicate prolongations of epidennal cells are seen in which region of root in plants?

Water which is held very tightly around soil particles by adhesive forces is called ____________water.

Select the CORRECT match.

Ethological isolation is due to differences in ______

The long, prehensile tail of an arboreal animal is an adaptation for ______

Select the mismatched pair. 

Which of the following fossil in the evolution of man has maximum cranial capacity?

The enzyme initiating the formation of mRNA is ______

Hershey and Chase proved that genetic material is DNA, by using the organism ______

When the DNA molecule appears like inverted Y, it is ______

The length of DNA segment having 44 base pairs is ______

Select the INCORRECT statement - ______ 

Which one of the following can form a nucleotide of DNA?

Findings of Gregor Mendel were rediscovered by the following scientists EXCEPT for ______

How many pairs of autosomes are present in human somatic cells?

In heterozygous condition, both the alleles are expressed in ______ 

Which one of the following statements is correct?

Which one of the following is NOT a characteristic of garden pea plants?

Which of the parents with the following blood groups CANNOT have a child with blood group A?

ln the reproductive system of a male human being, the ejaculatory ducts open into ________.

Which of the following is ectodermal in origin?

(i)	Heart
(ii)	Sweat glands
(iii)	Adrenal medulla
(iv)	Middle ear
(v)	Urinary bladder
(vi)	Dermis of skin

Sperms undergo the following changes in the epididymis EXCEPT ______

Find out the CORRECT sequence of spermatogenesis.

Mark the CORRECT sequence of structures in the breast from the inner to the outer side.

All but one, propagate vegetatively by foliar bud.

In dicots, the pollen grains are usually ______ 

Which one of the following plants do NOT propagate by epiphyllous buds?

Match Column - I with Column - II and select the correct option.

	Column - I		Column - II
(a)	Sunflower	(i)	Protogyny
(b)	Castor	(ii)	Self-incompatibility
(c)	Michelia	(iii)	Protandry
(d)	Orchid	(iv)	Unisexuality

Generally, the embryo sac in angiosperms is ______

During the development of the embryo sac, a mega pore mother cell undergoes ______ meiosis and mitosis respectively.

Which of the following statement is NOT true about Loop of Henle?

All of the following animals are uricotelic EXCEPT ______ 

The endocrine nature of the kidney is indicated by the secretion of ______

The salivary gland present in front of the ear is called the ______ gland. 

Goblet cell secretes ______ 

Kwashiorkor is caused due to prolonged deficiency mainly of ______ in the diet.

Chylomicrons are ______ 

Which of the following cells digest and destroy old R.B.Cs from blood?

Respiration is ______ process.

Which one of the following reactions is an example of oxidative decarboxylation Krebs cycle?

During glycolysis, cleavage of fructose 1, 6-diphosphate occurs in presence of enzyme ______

The enzymes needed for Kreb's cycle are located in ______ 

The coenzyme which forms a component of the electron transport chain and presents on the inner mitochondrial membrane is ______ 

Which one of the following is NOT soluble in water?

The rate of enzyme reactions rises with the increase in substrate concentration. But it does NOT increase beyond a certain concentration because ______ 

The most abundant cellular protein is ______.

The number of proteins in an average human cell is over ______.