Mock / Online Tests

AMK Resource World
Spread the love

AMK Resource World

To Help Students Prepare for Various Competitive Exams, We are Providing Daily QUIZ on Various topics, So that students analyse their Preparations NOTE : Daily NEW Quiz will be Added, TEST YOURSELF NOW

10th Science – MOCK TEST

Magnetic Effects of Electric Current  

 

10th Science (Physics)

Magnetic Effects of Electric Current 

(Most Important Questions) 

Login (Use your Mobile Number)

1 / 36

Which of the following diagrams correctly shows the magnetic field produced by a current- carrying wire?

 

2 / 36

A current flows in a wire running between the S and N poles of a magnet lying horizontally as shown in the figure below:

                                   

The force on the wire due to the magnet is directed

3 / 36

The frequency of electricity produced by DC generator is equal to

4 / 36

An electric motor is a device which transforms

5 / 36

The shape of the magnetic field lines produced by a current carrying conductor are

6 / 36

A coil of insulated copper wire is connected to a galvanometer forming a loop and a magnet is:

A: Held stationary

B: Moved away along its axis

C: Moved towards along its axis

There will be a induced current in

7 / 36

If two circular coils can be arranged in any of the three situations as shown in the diagrams below, then their mutual induction will be:

 

8 / 36

A fuse should always be placed in the

9 / 36

A positive charge is moving towards a person. The direction of magnetic field lines will be in

10 / 36

An induced emf is produced when a magnet is moved into a coil. The magnitude of induced emf does not depend on

11 / 36

The force exerted on a current carrying wire placed in a magnetic field is zero when the angle between wire and the direction of magnetic field is

12 / 36

A current carrying conductor is held in exactly vertical direction. In order to produce a clockwise magnetic field around the conductor, the current should be passed in the conductor

13 / 36

A soft iron bar is inserted inside a current-carrying solenoid. The magnetic field inside the solenoid

14 / 36

The north pole of Earth’s magnet is in the

15 / 36

The magnetic field lines outside a bar magnet

16 / 36

A constant current flows in a horizontal wire in the plane of the paper from east to west as shown in figure. The direction of magnetic field at a point will be north to south.

Magnetic Effect of Electric Current NCERT Exemplar Problems

 

17 / 36

Choose the incorrect statement.

18 / 36

In the arrangement shown in figure, there are two coils wound on a non-conducting cylindrical rod. Initially, the key is not inserted. Then the key is inserted and later removed. Then

Magnetic Effects of Electric Current MCQs

 

19 / 36

Commercial electric motors do not use

20 / 36

A uniform magnetic field exists in the plane of paper pointing from left to right as shown in figure. In the field an electron and a proton move as shown. The electron and the proton experience.

Electron Proton Movement in Magnetic Field Lines

21 / 36

For a current in a long straight solenoid N and S-poles are created at the two ends. Among the following statements, the incorrect statement is

22 / 36

A circular loop placed in a plane perpendicular to the plane of paper carries a current when the key is ON. The current as seen from points and (in the plane of paper and on the axis of the coil) is anti-clockwise and clockwise respectively. The magnetic field lines point from to A. The N-pole of the resultant magnet is on the face close to

Magnetic Effects of Electric Current NCERT Exemplar Problems

 

23 / 36

If the key in the arrangement as shown below is taken out (the circuit is made open) and magnetic field lines are drawn over the horizontal plane ABCD, the lines are

Magnetic Effects of Electric Current MCQs

 

24 / 36

Choose the incorrect statement from the following regarding magnetic lines of field

25 / 36

In electric motor, to make the coil rotating continuously in the same direction, current is reversed in the coil after every half rotation by a device called

26 / 36

Direction of rotation of a coil in electric motor is determined by

27 / 36

When current is parallel to magnetic field, then force experience by the current carrying conductor placed in uniform magnetic field is

28 / 36

The factors on which one magnetic field strength produced by current carrying solenoids depends are

29 / 36

The nature of magnetic field line passing through the centre of current carrying circular loop is

30 / 36

The pattern of the magnetic field produced by the straight current carrying conducting wire is

31 / 36

Which of the following statement is not correct about the magnetic field?

32 / 36

Relative strength of magnetic field at a point in the space surrounding the magnet is shown by the

33 / 36

Magnetic effect of current was discovered by

34 / 36

The most important safety method used for protecting home appliances from short circuiting or overloading is

35 / 36

To convert an AC generator into DC generator

36 / 36

The strength of magnetic field inside a long current carrying straight solenoid is

Your score is

0%

 

Control & Co – ordination 

10th Science (Biology)

Control & Co - ordination

(Most Important Questions) 

Login (Use your Mobile Number)

1 / 37

The movement of a plant part in response to the force of attraction exerted by the earth is called

2 / 37

Electrical impulse travels in a neuron from

3 / 37

The dramatic changes in body features associated with puberty are mainly because of the secretions of

4 / 37

A doctor advised a person to take injection of insulin because his

5 / 37

Which of the following control and regulate the life process?

6 / 37

Which of the following controls the involuntary actions in the body?

7 / 37

Iodine is necessary for the synthesis of which of the following hormone?

8 / 37

The number of pairs of nerves which arises from the spinal cord are

9 / 37

Dandelion flowers open the petals in bright light during the daytime but close the petals in dark at night. This response of dandelion flowers to light is called

10 / 37

A growing seedling is kept in a dark room. A burning lamp is placed near to it for a few days. The top part of seedling bends towards the burning candle. This is an example of

11 / 37

The stimulus in the process of thigmotropism is

12 / 37

The plant hormone which triggers the fall of mature leaves and fruits from the plant body is

13 / 37

The growth of tendrils in pea plants is due to the

14 / 37

The main function of the plant hormone called abscisic acid is to

15 / 37

A big tree falls in a forest, but its roots are still in contact with the soil. The branches of this fallen tree grow straight up (vertically). This happens in response to

16 / 37

The shape of guard cells changes due to change in the

17 / 37

Select the mis-matched pair

18 / 37

Choose the incorrect statement about insulin

19 / 37

Which of the following is not associated with growth of plant?

20 / 37

The main function of abscisic acid in plants is to

21 / 37

The movement of shoot towards light is

22 / 37

Spinal cord originates from

23 / 37

Posture and balance of the body is controlled by

24 / 37

Which of the following statements are true about the brain?

(i) The main thinking part of brain is hind brain.

(ii) Centres of hearing, smell, memory, sight, etc., are located in fore brain.

(iii) Involuntary actions like salivation, vomiting, blood pressure are controlled by the medulla in the hind brain.

(iv) Cerebellum does not control posture and balance of the body.

25 / 37

Which of the following statements are true?

(i) Sudden action in response to something in the environment is caller reflex action

(ii) Sensory neurons carry signals from spinal cord to muscles.

(iii) Motor neurons carry signals from receptors to spinal cord.

(iv) The path through which signals are transmitted from a receptor to muscle or a gland is called reflex arc.

26 / 37

Which is the correct sequence of the components of a reflex arc?

27 / 37

In a neuron, conversion of electrical signal to a chemical signal occurs at/in

28 / 37

In a synapse, chemical signal is transmitted from

29 / 37

Which of the following statements is correct about receptors?

30 / 37

In humans, the life processes are controlled and regulated by

31 / 37

Junction between two neurons is called

32 / 37

Which of the following endocrine glands is unpaired?

33 / 37

The hormone which increase the fertility in males is called

34 / 37

Dramatic changes of body features associated with puberty are mainly because of secretion of

35 / 37

Dwarfism results due to

36 / 37

Which statement is not true about thyroxin?

37 / 37

When a person is suffering from severe cold, he or she cannot

Your score is

0%

Light – Reflection & Refraction

10th Science (Physics)

Light - Reflection & Refraction

(Most Important Questions) 

Login (Use your Mobile Number)

1 / 40

A student traces the path of a ray of light passing through a rectangular slab for three different values of angle of incidence (∠i ) namely 30o, 45o and 60o. He extends the direction of incident ray by a dotted line and measures the perpendicular distance ‘l’ between the extended incident ray and the emergent ray.He will observe that

2 / 40

Four students A, B, C and D performed the experiment to determine the focal length of a concave mirror by obtaining the image of a distant tree on a screen. They measured the distances between the screen and the mirror as shown in the diagrams given, The correct way to measure accurate focal length of the mirror is

Question Image

3 / 40

A student traces the path of a ray of light passing through a rectangular slab, For measuring the angle of incidence, he must position the protractor in the manner shown in the figure

Question Image

4 / 40

While performing an experiment on determination of focal length of a convex lens, four students obtained the image of the same distant tree on the screen as given figure, Which diagram shows the formation of image correctly?

Question Image

5 / 40

 A student does the experiment on tracing the path of a ray of light passing through a rectangular glass slab for different angles of incidence. He can get a correct measure of the angle of incidence and the angle of emergence by following the labelling indicated in figure

Question Image

6 / 40

If an object is placed 21 cm from a converging lens, the image formed is slightly smaller than the object. If the object is placed at a distance of 19 cm from the lens, the image formed is slightly larger than the object. The approximate focal length of the lens is

7 / 40

 Which of the following can make a parallel beam of light when light from a point source is incident on it?

8 / 40

A lens of focal length 12 cm forms an erect image, three times the size of the object. The distance between the object and image is

9 / 40

A ray of light passes from a medium X to another medium Y. No refraction of light occurs if the ray of light hits the boundary of medium Y at an angle of

10 / 40

A ray of light is travelling in a direction perpendicular to the boundary of a parallel glass slab. The ray of light:

11 / 40

Two big mirrors A and B are fitted side by side on a wall. A man is standing at such a distance from the wall that he can see the erect image of his face in both the mirrors. When the man starts walking towards the mirrors, he finds that the size of his face in mirror A goes on increasing but that in mirror B remains the same

12 / 40

 A concave mirror produces a magnification of +4. The object is placed

13 / 40

Which position of the object will produce a magnified virtual image, if a concave mirror of focal length 15 cm is being used?

14 / 40

An object is placed at 100 mm in front of a concave mirror which produces an upright image (erect image). The radius of curvature of the mirror is

15 / 40

A ray of light that strikes a plane mirror PQ at an angle of incidence of 30o, is reflected from the plane mirror and then strikes a second plane mirror QR placed at right angles to the first mirror. The angle of reflection at the second mirror is

16 / 40

An object is placed 20 cm in front of a plane mirror. The mirror is moved 2 cm towards the object. The distance between the positions of the original and final images seen in the mirror is

17 / 40

Rays from sun converge at a point 15 cm in front of a concave mirror. Where should an object be placed so that size of its image is equal to the size of the object?

18 / 40

Magnification produced by a rear view mirror fitted in vehicles

19 / 40

Which of the following statements is true?

20 / 40

A beam of Light is incident through the holes on side A and emerges out of the holes on the other face of the box as shown in the figure. Which of the following could be inside the box?

Question Image

21 / 40

Beams of light are incident through the holes A and B and emerge out of box through the holes C and D respectively as shown in the figure. Which of the following could be inside the box?

Question Image

22 / 40

 A light ray enters from medium A to medium B as shown in the figure. The refractive index of medium B relative to A will be

Question Image

23 / 40

Under which of the following conditions, a concave mirror can form an image larger than the actual object?

24 / 40

A 10 mm long awl pin is placed vertically in front of a concave mirror. A 5 mm long image of the awl pin is formed at 30 cm in front of the mirror. The focal length of this mirror is

25 / 40

The nature of the image formed by concave mirror when the object is placed between the focus (F) and centre of curvature (C) of the mirror observed by us is

26 / 40

An object at a distance of + 15 cm is slowly moved towards the pole of a convex mirror. The image will get

27 / 40

Which of the following mirror is used by a dentist to examine a small cavity?

28 / 40

An object is placed at a distance of 0.25 m in front of a plane mirror. The distance between the object and image will be

29 / 40

In which of the following, the image of an object placed at infinity will be highly diminished and point sized?

30 / 40

A child is standing in front of a magic mirror. She finds the image of her head bigger, the middle portion of her body of the same size and that of the legs smaller. The following is the order of combinations for the magic mirror from the top

31 / 40

Which of the following ray diagrams is correct for the ray of light incident on a lens shown in figure?

Question Image

32 / 40

Which of the following ray diagrams is correct for the ray of light incident on a concave mirror as shown in figure?

Question Image

33 / 40

You are given water, mustard oil, glycerine and kerosene. In which of these media, a ray of light incident obliquely at some angle would bend the most

34 / 40

 The path of a ray of light coming from air passing through a rectangular glass slab traced by four students shown as A, B, C and D in the figure. Which one of them is correct?

Question Image

35 / 40

 The laws of reflection hold good for

36 / 40

In torches, search lights and headlights of vehicles, the bulb is placed

37 / 40

A full length image of a distant tall building can definitely be seen by using

38 / 40

A point object is placed at a distance of 20 cm from a convex mirror of focal length 20 cm. The image will form at

39 / 40

You are given three media A, B and C of refractive index 1.33, 1.65 and 1.46. The medium in which the light will travel fastest is

40 / 40

If a man’s face is 25 cm in front of concave shaving mirror producing erect image 1.5 times the size of face, focal length of the mirror would be

Your score is

0%

Metals & Non Metals

 

10th Science (Chemistry)

Metals & Non Metals

(Most Important Questions) 

Login (Use your Mobile Number)

1 / 46

Which of the following property is generally not shown by metals?

2 / 46

An element X is soft and can be cut with the help of a knife. It is very reactive to air and cannot be kept open in the air. It reacts vigorously with water. Identify the element from the following

3 / 46

Which of the following alloys contains a non-metal as one of its constituents?

4 / 46

Galvanisation is a method of protecting steel and iron from rusting by coating them with a thin layer of

5 / 46

Which of the following pairs of reactants will go undergo a displacement reaction?

6 / 46

Which among the following is the most abundant metal found in the earth’s crust?

7 / 46

Which of the following pairs will give displacement reactions?

8 / 46

An element reacts with oxygen to give a compound with a high melting point. This compound is also soluble in water. The element is likely to be

9 / 46

Which of the following represent the correct order of decreasing reactivity?

10 / 46

In the given reaction, Al2O+ NaOH   →  ……X……   +  H2O, What is element X?

11 / 46

In electrolytic refining, the cathode is made up of

12 / 46

The sulphide ores are converted into oxides by heating strongly in the presence of excess air. This process is known as

13 / 46

The metal which is liquid at room temperature is

14 / 46

Bauxite is an ore of

15 / 46

The number of protons in an atom of an element A is 19 then, the number of electron in its ion A+ is

16 / 46

The non-metal which is liquid at room temperature is

17 / 46

Generally non-metals are not lustrous. Which of the following non-metals is lustrous?

18 / 46

Which of the following metals are obtained by electrolysis of their chlorides in molten state?

(i) Na

(ii) Ca

(iii) Fe

(iv) Cu

19 / 46

 If copper is kept open in air, it slowly loses its shining brown surface and gains a green coating. It is due to the formation of

20 / 46

 Stainless steel is very useful material, for our life. In stainless steel, iron is mixed with

21 / 46

Galvanisation is a method of protecting iron from rusting by coating it with a thin layer of

22 / 46

Silver articles become black on prolonged exposure to air. This is due to the formation of

23 / 46

Metals are refined by using different methods. Which of the following metals are refined by electrolytic refining?

(i) Au

(ii) Cu

(iii) Na

(iv) K

24 / 46

Which of the following metals exist in their native state in nature?

(i) Cu

(ii) Au

(iii) Zn

(iv) Ag

25 / 46

Which one of the following properties is not generally exhibited by ionic compounds?

26 / 46

Which of the following are not ionic compounds?

(i) KCl

(ii) HCl

(iii) CCl4

(iv) NaCl

27 / 46

The composition of aqua-regia is

28 / 46

Generally metals react with acids to give salt and hydrogen gas. Which of the following acids does not give hydrogen gas on reacting with metals (except Mn and Mg)?

29 / 46

What happens when calcium is treated with water?

(i)  It does not react with water.

(ii) It reacts violently with water.

(iii) It reacts less violently with water.

(iv) Bubbles of hydrogen gas formed stick to the surface of calcium.

30 / 46

Which of the following oxide(s) of iron would be obtained on prolonged reaction of iron with steam?

31 / 46

Which one of the following metals do not react with cold as well as hot water?

32 / 46

Aluminium is used for making cooking utensils. Which of the following properties of aluminium are responsible for the same?

(i) Good thermal conductivity

(ii) Good electrical conductivity

(iii) Ductility

(iv) High melting point

33 / 46

The ability of metals to be drawn into thin wire is known as

34 / 46

Electrical wires have a coating of an insulating material. The material, generally used is

35 / 46

Generally non-metals are non-conductors of electricity. Which of the following is a good conductor of electricity?

36 / 46

Although metals form basic oxides, which of the following metals form an amphoteric oxide?

37 / 46

The electronic configurations of three elements X, Y and Z are X — 2, 8: Y — 2, 8, 7 and Z — 2, 8, 2. Which of the following is correct?

38 / 46

Reaction between X and Y forms compound Z. X loses electron and y gains electron. Which of the following properties is not shown by Z?

39 / 46

Which among the following alloys contain mercury as one of its constituents?

40 / 46

Which among the following statements is incorrect for magnesium metal?

41 / 46

Alloys are homogeneous mixtures of a metal with a metal or non-metal. Which among the following alloys contain non-metal as one of its constituents?

42 / 46

 An element A is soft and can be cut with a knife. This is very reactive to air and cannot be kept open in air. It reacts vigorously with water. Identify the element from the following.

43 / 46

During electrolytic refining of zinc, it gets

44 / 46

An electrolytic cell consists of

(i) Positively charged cathode

(ii) Negatively charged anode

(iii) Positively charged anode

(iv) Negatively charged cathode

45 / 46

2 mL each of conc. HCl, HNO3, and a mixture of conc. HCl. and conc. HNO3, in the ratio of 3 : 1 were taken in test tubes labeled as A, B and C. A small piece of metal was put in each test tube. No change occurred in test tubes A and B but the metal got dissolved in test tube C. The metal could be

46 / 46

Which one of the following four metals would be displaced from the solution of its salts by other three metals?

Your score is

0%

Carbon and its compounds

 

10th Science (Chemistry)

Carbon & its Compounds

(Most Important Questions) 

Login (Use your Mobile Number)

1 / 45

Which of the following is the molecular formula of cyclobutane?

2 / 45

The property of self-linkage among identical atoms to form long chain compounds is known as

3 / 45

Which of the following compounds of carbon does not consist of ions?

4 / 45

The I.U.P.A.C name of CH3CH2CH=CH2 is?

5 / 45

Cation is formed when

6 / 45

Oils on treating with hydrogen in the presence of palladium or nickel catalyst form fats. This is an example of

7 / 45

In the following reaction, alkaline KMnO4 acts as:

alkaline KMnO4 as oxidising agent

8 / 45

Buckminsterfullerene is an allotropic form of

9 / 45

A molecule of ammonia (NH3) has

10 / 45

Which of the following statements are usually correct for carbon compounds? These

(i) Are good conductors of electricity.

(ii) Are poor conductors of electricity.

(iii) Have strong forces of attraction between their molecules.

(iv) Do not have strong forces of attraction between their molecules

11 / 45

 Carbon exists in the atmosphere in the form of

12 / 45

Which of the following substance produces brisk effervescence with baking soda solution?

13 / 45

What is denatured alcohol?

14 / 45

Ester is formed by the reaction between

15 / 45

 From which of the following substance pencil lead is formed?

16 / 45

The organic compounds having functional group are known as

17 / 45

 Which of the followings is the major constituent of the liquefied petroleum gas?

18 / 45

How many number of carbon atoms are joined in a spherical molecule of buckminsterfullerene?

19 / 45

Which of the following statements about graphite and diamond is true?

20 / 45

The first member of alkyne homologous series is

21 / 45

The heteroatoms present in CH3 ─ CH2 ─ O ─ CH2 ─ CH2Cl are

(i) Oxygen

(ii) Carbon

(iii) Hydrogen

(iv) Chlorine

22 / 45

The name of the compound, CH3 ─ CH2 ─ CHO is

23 / 45

Which of the following does not belong to the same homologous series?

24 / 45

Carbon forms four covalent bonds by sharing its four valence electrons with four univalent atoms, e.g. hydrogen. After the formation of four bonds, carbon attains the electronic configuration of

25 / 45

Mineral acids are stronger acids than carboxylic acids because

(i) Mineral acids are completely ionised.

(ii) Carboxylic acids are completely ionised.

(iii) Mineral acids are partially ionised.

(iv) Carboxylic acids are partially ionised

26 / 45

Vinegar is a solution of

27 / 45

Ethanol reacts with sodium and forms two products. These are

28 / 45

Pentane has the molecular formula C5H12. It has

29 / 45

In the soap micelles

30 / 45

Chlorine reacts with saturated hydrocarbons at room temperature in the

31 / 45

Identify the unsaturated compounds from the following.

(i) Propane

(ii) Propene

(iii) Propyne

(iv) Chloropropane

32 / 45

The soap molecule has a

33 / 45

 In which of the following compounds -OH is the functional group?

34 / 45

 Which of the following statements about graphite and diamond is true?

35 / 45

 Solubility of alcohol in water is due to

36 / 45

A functional group mainly determines the

37 / 45

 —CHO represents the functional group

38 / 45

 In diamond, each carbon atom is bonded to four other carbon atoms to form

39 / 45

The first member of the alkyne homologous series is

40 / 45

 Addition reactions are undergone by

41 / 45

Why does carbon form compounds mainly by covalent bonding?

42 / 45

Name the functional group present in CH3COCH3

43 / 45

Ethanol on complete oxidation gives

44 / 45

The number of isomers of pentane is

45 / 45

C3H8 belongs to the homologous series of

Your score is

0%

KARTET / CTET

Child Development and Pedagogy – Series 2

 

KARTET / CTET

Child Development & Pedagogy - Series 2 

Login (Use your Mobile Number)

1 / 30

Raven’s Progressive Matrices test is an example …………………… tests

2 / 30

Group project activity as prescribed by CBSE is a powerful means

3 / 30

In science practicals, boys generally take control of apparatus and ask girls to record data or wash utensils. This tendency reflects that

4 / 30

Achievement motivation is

5 / 30

How teachers and students ………………………. Gender in the classroom, it …………………… the learning environment

6 / 30

The word ‘Comprehensive’ in the scheme of Continuous and Comprehensive Evaluation is supported by the following except

7 / 30

For an intrinsically motivated student,

8 / 30

Assessment …………………… learning influences learning by reinforcing the …………………. between assessment and instruction.

9 / 30

Suppose you are the Chairperson of a Board of School Education, how would you plan to improve the overall quality of education in the schools under your jurisdiction? This type of question is an example of

10 / 30

Ideal ‘waiting time’ for getting response from students should be proportional to

11 / 30

A student says, “My mother ringed Principal mam last night.” As a teacher your response should be

12 / 30

Children in primary schools follow which of the following stages as proposed by Lawrence Kohlberg?
A. Obedience and Punishment Orientation
B. Individualism and Exchange
C. Good Interpersonal Relationships
D. Social Contract and Individual Rights

13 / 30

The ‘Lab School’ advocated by John Dewey were examples of

14 / 30

Classification of students in different groups on the basis of their IQ tends to ………………… their self-esteem and …………………… their academic performance.

15 / 30

The news of ‘a woman selling her child to obtain food’ may by understood best on the basis of

16 / 30

Scaffolding in the context of learning theories refers to

17 / 30

The sentence ‘Madam drives a bicycle’ is

18 / 30

What does ‘self-regulation of learners’ mean?

19 / 30

The word ‘compulsory’ in the ‘Right to Free and Compulsory Education 2009’ means

20 / 30

Which of the following principles is not involved in lesson planning?

21 / 30

Which one of the following could be an end stage of a child possessing bodily kinesthetic intelligence?

22 / 30

Which of the following is the most appropriate for gifted students?

23 / 30

While teaching a single parent child, a teacher should

24 / 30

Acceleration with reference to gifted children mean.

25 / 30

Child-centered education was advocated by which of the following thinkers?

26 / 30

Classrooms after the implementation of RTE Act 2009 are

27 / 30

Systematic presentation of concepts may be related with which of the following principles of development?