UHS MDCAT 2016

Random, uncontrolled electrical activity of some cells in the brain leading to chaotic activity in both sensory and motor nerves causes patients to see and hear different strange things.

The part of the hind brain responsible for the balance and equilibrium of the body is called:

Events of the menstrual cycle are regulated by:

A decrease in FSH and an increase in estrogen cause the pituitary gland to secrete:

Transmission of Neisseria gonorrhea is best described by which of the following?

Syphilis is caused by:

AIDS is caused by:

The brain is protected and enclosed in:

The longest bone in the human skeleton is:

Hip and shoulder joints are examples of:

In the pelvic region of the human body, the sacrum is formed by the fusion of:

Each muscle fiber is surrounded by a modified cell membrane called

The _ hormone is antagonistic to insulin and causes an increase in blood glucose levels.

Beta cells of islets of Langerhans produce _ hormone.

The central portion of the adrenal gland (the adrenal medulla) produces _ hormone.

_Hormones called fight or flight hormones prepare an organism to face stressful situations.

B-cells release antibodies in blood plasma, tissue fluid, and lymph. This kind of immune response is called

The type of immunity in which antibodies are passed from one individual to another is called

To combat the active infections of tetanus, rabies, and snakes, the _ method of immunization is used:

In an antibody molecule, two heavy and two light chains are bonded by:

Variable amino acid sequences in antibody molecules are found in

Each _ consists of a light-gathering antenna complex and reaction center

Photosystem I have chlorophyll, a group of molecules that absorb maximum light of:

The cyclic flow of C4 photosynthesis produces:

Immediate product formed after CO2Fixation in the Calvin C_ycle is:

Functional group of chlorophyll a:

The modified plasmid or phage DNA is called:

The rapid exchange of materials through carrier proteins across the plasma membrane is called

The inner membrane of mitochondria form extensive infoldings called:

Which one of the following organelles is found in both prokaryotic and eukaryotic cells?

The compounds that, on hydrolysis, yield polyhydroxy aldehyde or ketone subunits are:

Which one of the following is the formula structure of D (α) glucose?

Secondary structure of protein is found in:

Waxes are formed by the combination of fatty acids with:

The phosphodiester bond is:

An enzyme requires Mg2+to catalyze the substrate. The Mg2+is best identified as:

This figure represents a _ inhibitor.

According to the _ model, the active site of an enzyme is modified as the substrate interacts with it.

All viruses can reproduce only within living organisms, so they are known as:

Many bacteria are motile due to the presence of:

_ is an invagination of cell membrane which helps in cell division.

_ is the yeast that grows in the mucous membrane of the mouth or vagina.

Taenia is an endoparasite of human, pig and cattle which belongs to thethatpigs,humans phylum.

The body of _ consists of segments called proglottis, which contain mainly sexual organs.

_ is a common parasite of the intestine of human and pigshumans that belongs to the phylum nematode.

In radial symmetry, all body parts are arranged around the central axis. Radial symmetry represents _ mode of life.

Pseudo-coelomates have a body cavity but it is not true coelom. Which one of the following is included in the group.

Digestion of _ starts in the oral cavity due to the action of enzymes present in saliva.

Food enters from the stomach into the small intestine through:

_ are the parts of a gastric gland that produce hydrochloric acid.

Protein components of food are digested by the enzymatic secretion of:

The digestive system consists of different layers; the innermost is known as:

In humans, the closed sac that surrounds the heart is:

Chordae tendinea are fibrous cords attached to:

The bicuspid valve controls the flow of blood from:

Carbaminohaemoglobin (10–20%) is formed when CO2 combines with:

Breathing consists of:

Bowman’s capsule continues in an extensively convoluted portion known as:

Restriction endonucleases cleave the _ of duplex DNA.

The enzyme that is responsible for the formation of bonds between two double-stranded DNA fragments is:

The organisms of the third trophic level are:

The ultimate source of energy in an ecosystem is

All the food chains and food webs begin with:

The change from bare rock or open area is rapid, especially in the initial stages and follows a series of recognizable and hence predictable stages. This process is called

The decline in the thickness of the ozone layer is caused by:

Which one of the following is considered strong evidence of evolution?

Structures found in different species that are believed to have a common evolutionary origin are called:

Which one of the following is an X-linked trait?

A character determined by three alleles is:

The total number of genes in a population is called

_ is the branch of Biology used for the identification and interpretation of fossils.

Out of the given options, choose the one which shows the structures found only in plants

The presence of a large central vacuole is a characteristic of:

The basic structure of the plasma membrane is provided by:

The organelles involved in the detoxification of drugs and poisons in the liver cells are:

Down’s syndrome is characterized by _ at chromosome 21.

Which of the following is an example of autosomal non-disjunction?

Infertility, short height, a webbed neck, and a low hairline are symptoms of _ syndrome.

The concentration of sodium ions in body fluids is controlled by the hormone

A hormone released from the posterior pituitary lobe acts to actively transport water from filtrate collecting tubules back to the kidney. It is shown as:

The removal of metabolic waste from the blood is called

Highly toxic nitrogenous excretory products are:

Humans have a homeostatic thermostat present in a specified portion of the brain that is:

The disease in which the death of a small number of cells in the basal ganglia leads to an inability to select and initiate patterns of movement is known as:

A neurological disorder characterized by a decline in brain function is _. Its symptoms are similar to those of diseases that cause dementia.

A discharge by the brain that causes chaotic activity in motor and sensory areas is:

It is a hormone that regulates our diurnal rhythms.

In the formation of the Zwitter ion, which one of the following donates the proton?

What is the name of the given structural formula?

Which one of the following is the simplest amino acid?

Which one of the following polymers is called Nylon 6,6?

Which one of the following is the exact composition of carbohydrates?

Which one of the following nitrogen bases is not present in DNA?

The percentage of cellulose in woody parts of trees is:

Choose the right molecule.

Indicate the name of of structure given below.

In a laboratory experiment, when an unknown compound was added to a test tube containing iodine, the color of the tube became intense blue. What could be the unknown compound?

Ozone concentration is measured in:

The gas that is mainly produced in landfills from the waste is:

The substance for the separation of isotopes is first converted into the:

The number of moles of CO₂ that contain 8g of oxygen is:

London dispersion forces are the only forces present among the:

Electrical conductivity of graphite is greater in one direction than in another due to:

Number of neutrons in is:

The maximum number of electrons in an electronic configuration can be calculated by using formula:

Calculate the number of bonds and bonds in the molecule:

½ H_2(g) → H_(g) ΔH = 218 kJmol^-1 In this reaction, ΔH will be called:

Mg + 1/2 O_2(g) → MgO_(g) H=-692 kJmol^-1 at STP. The enthalpy of the above reaction will be called:

Freezing point will also be defined as that temperature at which its solid and liquid phases have the same:

What mass of NaOH is present in 0.5 mol of sodium hydroxide?

The diagram shows a galvanic cell. The current will flow from:

Study the following redox reaction and answer the following question: 10Clˉ +16H⁺ + 2MnO₄ˉ → 5Cl₂ + 2Mn²⁺ + 8H₂O

Value of K_sp for PbSO₄ systems at 25 °C is equal to:

2A + B → Product If the reactant ‘B’ is in excess, the order of reaction with respect to ‘A’ in given rate law is: Rate = k[A]₂[B] is:

The rate constant ‘k’ is 0.693 min^-1. The half-life for the first-order reaction will be:

Melting points of Group II-A elements are higher than those of Group I-A because:

The ionic radius of the fluoride ion is:

2NaOH_(aq) + Cl_2(g) → NaCl + NaClO + H₂O proceed at:

Which halogen molecule, "X₂," has the lowest dissociation energy?

The anomalous electronic configuration shown by chromium and copper among the 3-D series of elements is due to:

Which element of 3d series of periodic table shows the electronic configuration of 3d⁸, 4s²?

The percentage of nitrogen in ammonium nitrate is:

Which one of the following is an anhydride of sulfuric acid?

During the contact process of H₂SO₄ synthesis, the following reaction occurs: 2SO_2(g) + O_2(g) ⇌ 2SO_3(g) H = -96 kJmol^-1 Which step is used to increase the yield of SO₃?

The synthesis of ammonia by Haber’s process is a reversible reaction. What should be done to increase the yield of ammonia in the following reaction?N_2(g) + 3H2_(g) ⇌ 2NH_3(g) H = -92 kJmol^-1

Which one of the following reactions shows the combustion of a saturated hydrocarbon?

Skeletal formula of a hydrocarbon is given below. What is the IUPAC name of the compound?

Which one of the following pairs can be cis-trans isomer of to each other?

The mechanism followed by the reaction below is:CH₃CH₂Br → H₂C=CH₂ + HBr (Conditions: alcoholic KOH)

The average bond energy of C-Br is

Which one of the following is an appropriate indication of positive iodoform test?

Which one of the following is the proper classification of the following is the proper classification of formula given below?

Which one of the following is an appropriate structure for the product of bromination?

Which one of the following is an appropriate name for the compound given below?

It is the general formula of:

Which one of the following is the IUPAC name of the structure given below?

Which one of the following tests is given by both aldehydes and ketones?

CH₃COOH + CH₃CH₂OH ⇌ CH₃COOC₂H₅ + H₂O Which one of the following will act as a catalyst in the above reaction?

CH₃COOH + PCl₅ → ?

Which one of the following reactions of carboxylic acid is reversible?

Select the best option, indicating the name of the structure given below

Which of the following graphs represents the output of an X-ray?

The continuous spectrum of X-rays is formed due to:

The wavelength of γ-rays is:

Thorium is transformed after the transmission of a beta particle into:

Emission of γ-rays from radioactive elements results in:

The relation between the decay constant ‘λ’ and the half-life T12 of a radioactive substance is:

Radioisotopes that are used to combat cancer of the thyroid gland are:

Sodium-24 is used for:

Energy radiation absorbed at the rate of one joule per kilogram is called:

The time period ‘T’ of a simple pendulum depends on its length ‘l’ and acceleration due to gravity ‘g’ using unit dimensions. The correct equation for the time period is:

The unit for electric charge is the coulomb, and one Coulomb in terms of the base unit is equivalent to:

A man in an elevator ascending with acceleration will conclude that his weight is:

If we double the moment arm, the value of torque becomes:

When fluid is incompressible, the quantity is constant.

The minimum distance from the eye at which an object appears to be distant is:

Using the relation for the magnifying power of lens, , if f = 5 cm and d = 25 cm, then M will be:

Resonance occurs when the driving frequency is:

The red shift measurement of Doppler effect of galaxies indicate that the universe is:

The audible frequency range for human hearing lies in the range:

Tuning a radio is the best example of:

The ratio of applied stress to volumetric strain is called:

The wire made of copper belongs to which specific kind of material?

The relation R/N_A = 1.38 x 10-25 JK^-1 in a gas law is known as:

The relation PV = nRT shows which law of physics:

The rapid escape of air from a burst tire is an example of

Which relation exactly describes the isothermal process?

If a turbine is working as a heat engine and takes heat from a hot body (427 °C) and exhausts it into a body at 77 °C, then what is the possible efficiency?

Which one of the following is the Boolean expression of the NAND gate?

Which one of the following is the truth table of the NAND gate?

If the length, width, and separation between the plates of a parallel plate capacitor are doubled, then its capacitance becomes:

The resistance between two opposite faces of a square thin film of area 1 mm² having a thickness of 1 m if the resistivity of the material is 10^-6 Ωm will be:

Total resistance between ‘A’ and ‘B’ in the given circuit is:

‘F’ is the maximum force acting on a conductor. Now if we change the direction of the conductor by making an angle of 45° with the magnetic field, then the force becomes:

If we double all the parameters of the force acting on the current-carrying conductor and θ = 90°, then the magnetic force becomes:

The force acting on the current-carrying conductor will be maximum if the angle between the magnetic field and conductor is:

The shadow of the bones in X-ray photographic film appears lighter than the surrounding flesh due to:

The atom is excited to an energy level Ei from its ground-state energy level Eo, the wavelength of the radiation emitted is:

Which one of the following gases is the lasing or active medium in the laser tube?

The target of an X-ray tube is made up of which metal?

The X-rays consist of:

In Bernoulli’s equation, the term is called:

Potential energy per unit volume is given by:

If the general equation for destructive interference is given by the relation

where ‘m’ is an integer, then the first dark fringe that appears from ’m’ will be equal to:

For bright fringe formation, the path difference is:

His theories have been _ by recent research.

International rules _ the number of foreign entrants.

The assassination of the president _ the country into war.

She might be forgiven for _ beneath the pressure.

Identify the MISTAKE in the following question:It showed that he was a man capable of looking beneath the surface of things, a man not dependent in paper manifestations.

Identify the MISTAKE in the following question:When When he was a child, every time he were naughty, his foster mother used to threaten to send him to Timbuktu.

Identify the MISTAKE in the following question:I was faced with alternatively of either evicting the books or else leaving them in sole, undisturbed tenancy and taking rooms elsewhere for myself.

Identify the MISTAKE in the following question:I remember going to the British museum one day to read for the treatment for some slight ailment of which I had a touch-hay fever, I fancy it was.

Identify the MISTAKE in the following question:The number of people in the world are rapidly increasing, rather like a gigantic snowball that not only gets bigger as it rolls but goes faster as well.

Identify the MISTAKE in the following question:It has been calculated that unless the growth is checked, there will only be enough room on Earth for people to stand by.

Select the nearest correct meaning of the given word:

STALWART

Select the NEAREST CORRECT MEANING of the given word:

CHIVALRY

Select the NEAREST CORRECT MEANING of the given word:

RAKISH

Select the NEAREST CORRECT MEANING of the given word:

PRODIGIOUS

Select the NEAREST CORRECT MEANING of the given word:

IMPROVISE

Select the NEAREST CORRECT MEANING of the given word:

PARADOX

Select the NEAREST CORRECT MEANING of the given word:

MANIFESTATION

Select the NEAREST CORRECT MEANING of the given word:

RECONNOITRE

Select the NEAREST CORRECT MEANING of the given word:

SOJOURN

Select the NEAREST CORRECT MEANING of the given word:

MUSE

Identify the underlined segment in the following sentence, which contains the mistake that needs to be corrected.Pasteur entered in the competition and settled the matter of spontaneous generation once and for all.

Identify the error and choose the correct option:The first space traveller was dennis tito from united states

Identify that underlined segment of the sentence, which contains the mistake that needs to be corrected.Stevens was very delighted to see that he was declared more popular than any talk show just in the USA.

Identify the error and choose the correct option:The rehearsal session started and we have little time to spar for other activities.

Identify the underlined segment in the following sentence, which contains the mistake that needs to be corrected.It should also help you to understand how can you make better use of the scientific method in your everyday living.

Identify the underlined segment in the following sentence, which contains the mistake that needs to be corrected.Police in their investigation used coercive measure to get favourable statements from the accused.

Identity the word or phrase that needs to be changed for the sentence to be correct:He called me as a fool.

Read carefully and choose the correct answer.

Which one is correct? Read carefully.