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Free MCQs with Answers | Military Brat Defence Academy

Q: How many players are there in a standard football team on the field?

Correct Answer: C. 11. A football team fields 11 players.

Q: Acids turn blue litmus:

Correct Answer: A. red. Acids turn blue litmus red.

Q: A covalent bond is formed by:

Correct Answer: A. sharing electrons. Covalent bonds involve sharing of electrons.

Q: A bond formed by transfer of electrons is:

Correct Answer: B. ionic. Ionic bonding involves electron transfer.

Q: The modern periodic table is arranged by increasing:

Correct Answer: B. atomic number. The modern periodic table is based on atomic number.

Q: Elements in the same group generally have similar:

Correct Answer: B. chemical properties. Same-group elements have similar valence configurations and chemical properties.

Q: The nucleus contains:

Correct Answer: B. protons and neutrons. The nucleus contains protons and neutrons.

Q: The negatively charged particle in an atom is:

Correct Answer: C. electron. Electrons carry negative charge.

Q: An atom has atomic number 12. Its number of protons is:

Correct Answer: A. 12. Atomic number equals the number of protons.

Q: A solution has pH 4. It is:

Correct Answer: A. acidic. A pH below 7 indicates an acidic solution.

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QID #1144667 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 15 Medium

How many players are there in a standard football team on the field?

Correct Answer: C. 11
A football team fields 11 players.

Question: How many players are there in a standard football team on the field?

A. 9

B. 10

C. 11

D. 12

Correct Answer: C. 11Explanation: A football team fields 11 players.

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QID #1144666 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 14 Medium

Acids turn blue litmus:

Correct Answer: A. red
Acids turn blue litmus red.

Question: Acids turn blue litmus:

A. red

B. green

C. yellow

D. blue

Correct Answer: A. redExplanation: Acids turn blue litmus red.

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QID #1144665 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 14 Medium

A covalent bond is formed by:

Correct Answer: A. sharing electrons
Covalent bonds involve sharing of electrons.

Question: A covalent bond is formed by:

A. sharing electrons

B. transfer of protons

C. loss of neutrons

D. sharing nuclei

Correct Answer: A. sharing electronsExplanation: Covalent bonds involve sharing of electrons.

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QID #1144664 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 14 Medium

A bond formed by transfer of electrons is:

Correct Answer: B. ionic
Ionic bonding involves electron transfer.

Question: A bond formed by transfer of electrons is:

A. covalent

B. ionic

C. metallic only

D. hydrogen

Correct Answer: B. ionicExplanation: Ionic bonding involves electron transfer.

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QID #1144663 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 14 Medium

The modern periodic table is arranged by increasing:

Correct Answer: B. atomic number
The modern periodic table is based on atomic number.

Question: The modern periodic table is arranged by increasing:

A. atomic mass only

B. atomic number

C. density

D. melting point

Correct Answer: B. atomic numberExplanation: The modern periodic table is based on atomic number.

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QID #1144662 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 14 Medium

Elements in the same group generally have similar:

Correct Answer: B. chemical properties
Same-group elements have similar valence configurations and chemical properties.

Question: Elements in the same group generally have similar:

A. atomic masses only

B. chemical properties

C. number of shells always

D. physical state only

Correct Answer: B. chemical propertiesExplanation: Same-group elements have similar valence configurations and chemical properties.

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QID #1144661 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 14 Medium

The nucleus contains:

Correct Answer: B. protons and neutrons
The nucleus contains protons and neutrons.

Question: The nucleus contains:

A. electrons only

B. protons and neutrons

C. neutrons only

D. protons and electrons

Correct Answer: B. protons and neutronsExplanation: The nucleus contains protons and neutrons.

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QID #1144660 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 14 Medium

The negatively charged particle in an atom is:

Correct Answer: C. electron
Electrons carry negative charge.

Question: The negatively charged particle in an atom is:

A. proton

B. neutron

C. electron

D. nucleus

Correct Answer: C. electronExplanation: Electrons carry negative charge.

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QID #1144659 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 14 Medium

An atom has atomic number 12. Its number of protons is:

Correct Answer: A. 12
Atomic number equals the number of protons.

Question: An atom has atomic number 12. Its number of protons is:

A. 12

B. 13

C. 11

D. 18

Correct Answer: A. 12Explanation: Atomic number equals the number of protons.

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QID #1144658 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 14 Medium

A solution has pH 4. It is:

Correct Answer: A. acidic
A pH below 7 indicates an acidic solution.

Question: A solution has pH 4. It is:

A. acidic

B. basic

C. neutral

D. metallic

Correct Answer: A. acidicExplanation: A pH below 7 indicates an acidic solution.

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QID #1144657 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 14 Medium

An element X has valency 3. If oxygen has valency 2, which statement is useful while writing the simplest oxide formula?

Correct Answer: A. Criss-cross the valencies and simplify the ratio
The criss-cross method uses valencies to obtain the simplest combining ratio.

Question: An element X has valency 3. If oxygen has valency 2, which statement is useful while writing the simplest oxide formula?

A. Criss-cross the valencies and simplify the ratio

B. Add the valencies only

C. Ignore oxygen's valency

D. Use atomic masses instead

Correct Answer: A. Criss-cross the valencies and simplify the ratioExplanation: The criss-cross method uses valencies to obtain the simplest combining ratio.

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QID #1144656 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 14 Medium

Buoyant force on an immersed body equals the weight of:

Correct Answer: B. the displaced fluid
Archimedes' principle equates buoyant force to displaced fluid weight.

Question: Buoyant force on an immersed body equals the weight of:

A. the body

B. the displaced fluid

C. the container

D. the atmosphere

Correct Answer: B. the displaced fluidExplanation: Archimedes' principle equates buoyant force to displaced fluid weight.

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QID #1144655 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 14 Medium

Pressure is defined as:

Correct Answer: B. Force ÷ area
Pressure = force per unit area.

Question: Pressure is defined as:

A. Force × area

B. Force ÷ area

C. Area ÷ force

D. Mass × volume

Correct Answer: B. Force ÷ areaExplanation: Pressure = force per unit area.

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QID #1144654 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 14 Medium

Kinetic energy of a body depends on:

Correct Answer: A. mass and velocity
KE = 1/2 mv².

Question: Kinetic energy of a body depends on:

A. mass and velocity

B. pressure only

C. density only

D. temperature only

Correct Answer: A. mass and velocityExplanation: KE = 1/2 mv².

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QID #1144653 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 14 Medium

A sample has mass 340 g and volume 90 cm³. Density is:

Correct Answer: A. 3.77778 g/cm³
Density = mass/volume.

Question: A sample has mass 340 g and volume 90 cm³. Density is:

A. 3.77778 g/cm³

B. 30600 g/cm³

C. 0.264706 g/cm³

D. 430 g/cm³

Correct Answer: A. 3.77778 g/cm³Explanation: Density = mass/volume.

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QID #1144652 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 14 Medium

A wave has frequency 60 Hz and wavelength 4 m. Its speed is:

Correct Answer: A. 240 m/s
Wave speed v=fλ.

Question: A wave has frequency 60 Hz and wavelength 4 m. Its speed is:

A. 240 m/s

B. 15 m/s

C. 64 m/s

D. 0.0666667 m/s

Correct Answer: A. 240 m/sExplanation: Wave speed v=fλ.

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QID #1144651 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 14 Medium

A current of 4 A flows through a resistance of 7 Ω. The voltage is:

Correct Answer: A. 28 V
Ohm's law: V = IR.

Question: A current of 4 A flows through a resistance of 7 Ω. The voltage is:

A. 28 V

B. 11 V

C. 1.75 V

D. 0.571429 V

Correct Answer: A. 28 VExplanation: Ohm's law: V = IR.

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QID #1144650 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 14 Medium

A force of 38 N moves an object 4 m in the force direction. Work done is:

Correct Answer: A. 152 J
Work = force × displacement.

Question: A force of 38 N moves an object 4 m in the force direction. Work done is:

A. 152 J

B. 42 J

C. 9.5 J

D. 304 J

Correct Answer: A. 152 JExplanation: Work = force × displacement.

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QID #1144649 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 14 Medium

An object has initial velocity 7 m/s and acceleration 4 m/s² for 4 s. Final velocity is:

Correct Answer: A. 23 m/s
Use v = u + at.

Question: An object has initial velocity 7 m/s and acceleration 4 m/s² for 4 s. Final velocity is:

A. 23 m/s

B. 28 m/s

C. 16 m/s

D. 27 m/s

Correct Answer: A. 23 m/sExplanation: Use v = u + at.

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QID #1144648 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 14 Medium

The binary representation of decimal 10 is:

Correct Answer: B. 1010
10 in binary is 1010.

Question: The binary representation of decimal 10 is:

A. 1001

B. 1010

C. 1100

D. 1110

Correct Answer: B. 1010Explanation: 10 in binary is 1010.

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