TS POLYCET 2025 Question Paper (Available) :Download Solution PDF with Answer Key

Question 1:

The roots of the quadratic equation \( x^2 - 16 = 0 \) are:

• (1) \( 4 \), \( -4 \)
• (2) \( 8 \), \( -8 \)
• (3) \( 16 \), \( -16 \)
• (4) \( 2 \), \( -2 \)

If \( \alpha, \beta \) are the roots of \( 2x^2 - 4x + 5 = 0 \), then \( (\alpha + 1)(\beta + 1) = \):

• (1) \( \frac{11}{2} \)
• (2) \( 2 \)
• (3) \( 1 \)
• (4) \( 0 \)

The value of \( \frac{1 - \tan^2 45^\circ}{1 + \tan^2 45^\circ} \) is:

• (1) \( 1 \)
• (2) \( 0 \)
• (3) \( -1 \)
• (4) \( \infty \)

The value of \( 1 + \sec 19^\circ \sin 71^\circ \) is:

• (1) \( 2 \)
• (2) \( 1 \)
• (3) \( 3 \)
• (4) \( 1.5 \)

The pair of linear equations \( 2x - 3y = 8 \) and \( 4x - 6y = 9 \) represents the following:

• (A) The system has a unique solution.
• (B) The system has infinitely many solutions.
• (C) The system has no solution.
• (D) The system represents two parallel lines.

The solution of system of equations \( \frac{x}{2025} + \frac{y}{2026} = 2 \) and \( \frac{2x}{2025} - \frac{y}{2026} = 1 \) is:

• (1) \( x = 4025, \, y = 2026 \)
• (2) \( x = 4040, \, y = 2025 \)
• (3) \( x = 2025, \, y = 2026 \)
• (4) \( x = 4030, \, y = 2027 \)

The roots of quadratic equation \( 2x^2 + x - 4 = 0 \) are:

• (1) \( \frac{-1 \pm \sqrt{33}}{4} \)
• (2) \( \frac{-1 \pm \sqrt{33}}{2} \)
• (3) \( \frac{-1 \pm \sqrt{33}}{2} \)
• (4) \( \frac{-1 \pm \sqrt{33}}{4} \)

The total surface area of a hemisphere solid having radius 7 cm is:

• (1) \( 616 \, cm^2 \)
• (2) \( 462 \, cm^2 \)
• (3) \( 154 \, cm^2 \)
• (4) \( 77 \, cm^2 \)

If \( \frac{5}{x+1} + \frac{1}{y-3} = 2 \) and \( \frac{6}{x+1} - \frac{3}{y-3} = 1 \), then \( x = \dots \):

• (1) \( 1 \)
• (2) \( 2 \)
• (3) \( 3 \)
• (4) \( 4 \)

Which term of G.P. \( 2, 2\sqrt{2}, 4, \dots \) is 128?

• (1) \( 7 \)
• (2) \( 8 \)
• (3) \( 13 \)
• (4) \( 10 \)

The terms 4, 7, 10, \dots form an A.P. The sum of the first 15 terms is?

• (A) 340
• (B) 360
• (C) 375
• (D) 390

If a line is passing through the points (2, 5) and (x, 3) and its slope is 2. Then the value of 'x' is?

• (1) 6
• (2) 7
• (3) 8
• (4) 9

The distance of point (2, 4) from the x-axis is?

• (A) 2
• (B) 4
• (C) 6
• (D) 8

The area of the triangle with vertices \( (1, 1), (-4, 6), (-3, -5) \) is?

• (1) 20
• (2) 24
• (3) 30
• (4) 35

If \( A = 45^\circ \), then the value of \( \sin A + \cos A + \cos 2A \) is?

• (A) \( \sqrt{2} \)
• (B) 1
• (C) \( 2 \)
• (D) 0

\(\cot(90^\circ - \theta) = ?\)

• (A) \( \sin \theta \)
• (B) \( \cos \theta \)
• (C) \( \tan \theta \)
• (D) \( \sec \theta \)

If \( A \) is the set of odd numbers less than 6 and \( B \) is the set of prime factors of 30, then:

• (1) \( A \cup B = \{ 1, 3, 5, 2, 3, 5 \} \)
• (2) \( A \cap B = \{ 3, 5 \} \)
• (3) \( A \neq B \)
• (4) \( A \cup B = \{ 1, 3, 5, 2, 3 \} \)

If the pair of equations \( 3x + 4y = k \) and \( 9x + 12y = 6 \) has infinite number of solutions, then the value of k is:

• (A) 1
• (B) 2
• (C) 3
• (D) 4

The product of the zeroes of a polynomial \(x^3 - 3x^2 + x + 1\) is:

• (A) 1
• (B) -1
• (C) 3
• (D) -3

The sum of the first \(n\) natural numbers is:

• (A) \( \frac{n(n+1)}{2} \)
• (B) \( \frac{n(n-1)}{2} \)
• (C) \( n^2 \)
• (D) \( n(n+1) \)

In the sequence \( 18, a, 14, 32 \), the common difference is:

• (1) 2
• (2) 8
• (3) 4
• (4) 6

If \( x < 0 \) and \( y > 0 \), then the point \( P(x, y) \) is in which quadrant?

• (1) First Quadrant
• (2) Second Quadrant
• (3) Third Quadrant
• (4) Fourth Quadrant

What is the value of \( \csc 31^\circ \sec 59^\circ \)?

• (1) 0
• (2) 1
• (3) Undefined
• (4) 2

If \( a, b, c \) are in A.P., then \( \frac{a - b}{b - c} \) is equal to:

• (1) 1
• (2) 2
• (3) 0
• (4) Undefined

If \( a, b, c \) are in A.P., then \( \frac{a - b}{b - c} \) is equal to:

If \( A = \{1, 2, 3, 4, 5\} \) and \( B = \{1, 3, 5, 7\} \), then \( n(A \cap B) = \dots \):

• (1) \( 3 \)
• (2) \( 4 \)
• (3) \( 2 \)
• (4) \( 1 \)

The zeroes of the quadratic polynomial \( x^2 + x - 2 \) are:

• (1) \( -2, 1 \)
• (2) \( -1, 2 \)
• (3) \( 1, 2 \)
• (4) \( -1, -2 \)

Which of the following statement regarding the probability of an event is correct?

• (1) Probability of an event is always negative.
• (2) Probability of an event is always between 0 and 1.
• (3) Probability of an event is always greater than 1.
• (4) Probability of an event is always greater than 0.

What is the probability of getting a number 7 in a single throw of a dice?

• (1) \( 0 \)
• (2) \( \frac{1}{8} \)
• (3) \( \frac{1}{12} \)
• (4) \( \frac{1}{36} \)

If one card is selected from a well-shuffled deck of 52 cards, then the probability of getting an ace card is:

• (1) \( \frac{4}{52} \)
• (2) \( \frac{1}{13} \)
• (3) \( \frac{1}{52} \)
• (4) \( \frac{4}{13} \)

The mean of 20, 30, 38, 40, 50, 56, 60 is:

• (A) 42
• (B) 44
• (C) 46
• (D) 48

If the equations \(x + 2y = 5\) and \(3x + ky = 10\) are inconsistent, then the value of \(k\) is:

• (A) 4
• (B) 6
• (C) 8
• (D) 10

If the pair of linear equations \(a_1x + b_1y + c_1 = 0\) and \(a_2x + b_2y + c_2 = 0\) represent coincident lines, then:

• (A) \( \frac{a_1}{a_2} = \frac{b_1}{b_2} = \frac{c_1}{c_2} \)
• (B) \( \frac{a_1}{a_2} = \frac{b_1}{b_2} \)
• (C) \( \frac{a_1}{a_2} = \frac{c_1}{c_2} \)
• (D) \( \frac{b_1}{b_2} = \frac{c_1}{c_2} \)

From the top of the tower 60 meters high, the angle of depression of an object is 60°, then the distance of the object from the base of the tower is:

• (A) \( \frac{60}{\sqrt{3}} \, m \)
• (B) \( 60\sqrt{3} \, m \)
• (C) \( 60 \, m \)
• (D) \( 30\sqrt{3} \, m \)

The angle of elevation of the top of the building from a point 10 meters away from the base of the building is 60°, then the height of the building is:

• (A) \( \frac{10}{\sqrt{3}} \, m \)
• (B) \( 10\sqrt{3} \, m \)
• (C) \( 10 \, m \)
• (D) \( \frac{10}{3} \, m \)

5 + \( \sqrt{7} \) is:

• (A) an irrational number
• (B) a rational number
• (C) an integer
• (D) a whole number

If \( x, y \) and \( z \) are distinct prime numbers, then the H.C.F. of \( x^2 y^3 z \) and \( x^3 y z^2 \) is:

• (A) \( x^2 y z \)
• (B) \( x y z^2 \)
• (C) \( x^3 y^3 z^3 \)
• (D) \( x^2 y^2 z^2 \)

The value of \( \log_3 81 \) is:

• (A) 2
• (B) 3
• (C) 4
• (D) 5

What is the median of 18, 14, 6, 7, 8?

• (A) 7
• (B) 8
• (C) 6
• (D) 14

If the mean of \( x, y, 3, 4 \) is 5, then \( x + y = ? \)

• (A) 8
• (B) 13
• (C) 15
• (D) 9

The mean and mode of 5, 3, 9, 1, 9, 8, 9, 4 are m and n respectively, the value of m+n is?

• (A) 12
• (B) 15
• (C) 14
• (D) 10

LCM of 9, 12 and 15 is?

• (A) 90
• (B) 180
• (C) 60
• (D) 45

Median of \( x, 20x, \frac{x}{20}, 200x, \frac{x}{200} \) (where \( x > 0 \)) is 20, then the value of \( x \) is:

• (A) 20
• (B) 40
• (C) 10
• (D) 30

If \( 3^x = 9^{x-1} \), then the value of \( x \) is:

• (A) 2
• (B) 1
• (C) 0
• (D) 3

Mode of the data \( 19, 2, 6, 12, 12, 3, 5, 6, 18, 14, 6, 17, 2 \) is:

• (A) 6
• (B) 12
• (C) 2
• (D) 3

In \( \triangle ABC \), \( DE \parallel BC \), if \( AD = x + 1 \), \( DB = 3x - 1 \), \( AE = x \), and \( EC = 4x - 3 \), then the value of \( x \) is:

• (A) 1
• (B) 2
• (C) 3
• (D) 4

In \( \triangle ABC \), if \( AB = 6\sqrt{3} \) cm, \( AC = 12 \) cm and \( BC = 6 \) cm, then the angle \( B \) is:

• (A) \( 90^\circ \)
• (B) \( 60^\circ \)
• (C) \( 45^\circ \)
• (D) \( 30^\circ \)

A regular brick is in the shape of:

• (A) Cube
• (B) Cuboid
• (C) Cone
• (D) Cylinder

A cylinder and a cone have bases of equal radii and heights, then the ratio of volumes is:

• (A) 3:1
• (B) 2:1
• (C) 1:1
• (D) 4:1

The ratio of the areas of two similar triangles is equal to the ratio of the------ their corresponding sides.

• (A) Cube of
• (B) Square of
• (C) Square root of
• (D) Twice of

In \( \triangle PQR \), \( ST \parallel QR \), \( PQ = 12 \) cm, \( PR = 24 \) cm, and \( SP = 4 \) cm, then \( PT = \)

• (A) 8 cm
• (B) 6 cm
• (C) 12 cm
• (D) 10 cm

The maximum number of parallel tangents that can be drawn to a circle is:

• (A) 2
• (B) 3
• (C) 4
• (D) 1

The parallelogram circumscribing a circle is a:

• (A) Square
• (B) Rectangle
• (C) Rhombus
• (D) Trapezium

\( \log 2 \) is:

• (A) A rational number
• (B) An irrational number
• (C) A whole number
• (D) An integer

The distance between two parallel tangents of a circle of radius 4 cm is:

• (A) 8 cm
• (B) 4 cm
• (C) 16 cm
• (D) 2 cm

In \( \triangle ABC \), \( DE \) is a line such that \( \frac{AD}{DB} = \frac{AE}{EC} \) and \( \angle EDA = \angle ACB \), then \( \triangle ABC \) is a/an:

• (A) Scalene triangle
• (B) Isosceles triangle
• (C) Equilateral triangle
• (D) Right-angled triangle

All the circles are -------:

• (A) Different
• (B) Similar
• (C) Equal
• (D) Congruent

If the angle between two radii of a circle is \( 120^\circ \), then the angle between the tangent and the ends of the radii is:

• (A) \( 30^\circ \)
• (B) \( 60^\circ \)
• (C) \( 90^\circ \)
• (D) \( 120^\circ \)

A line which intersects a circle at two points is called as:

• (A) Secant
• (B) Tangent
• (C) Chord
• (D) Arc

In the given figure, if \( \angle AOB = 125^\circ \), then \( \angle COD = \):

• (A) \( 125^\circ \)
• (B) \( 55^\circ \)
• (C) \( 90^\circ \)
• (D) \( 45^\circ \)

Physical Science

Question 61:

The angle of vision for a healthy human being is about:

• (A) \( 90^\circ \)
• (B) \( 180^\circ \)
• (C) \( 120^\circ \)
• (D) \( 60^\circ \)

What do the cones in our eyes identify?

• (A) Shape and size of objects.
• (B) Light and dark contrast.
• (C) Color.
• (D) Motion and depth.

Which of the following works on the principle of electromagnetic induction?

• (A) Electric fan.
• (B) Transformer.
• (C) Electric heater.
• (D) All of the above.

Which of the following is the lens maker's formula?

• (A) \( \frac{1}{f} = \left( \frac{1}{v} - \frac{1}{u} \right) \)
• (B) \( \frac{1}{f} = \left( \mu - 1 \right) \left( \frac{1}{R_1} - \frac{1}{R_2} \right) \)
• (C) \( f = \mu \left( R_1 + R_2 \right) \)
• (D) \( f = \left( \mu + 1 \right) \left( \frac{R_1 + R_2}{2} \right) \)

The focal plane of a lens is a plane:

• (A) Parallel to the lens.
• (B) Perpendicular to the lens.
• (C) At a fixed distance from the lens.
• (D) At the focal point of the lens.

A prism is made with a material of refractive index \( \mu = 2 \). The angle of prism is 60°. The angle of minimum deviation produced by the prism is:

• (A) \( 30^\circ \)
• (B) \( 45^\circ \)
• (C) \( 60^\circ \)
• (D) \( 90^\circ \)

When a convex lens is placed in water, its focal length:

• (A) Increases
• (B) Decreases
• (C) Remains constant
• (D) Becomes infinite

A watch repairer uses a magnifying glass to see the tiny parts of a watch. Which of the following lenses is used?

• (A) Concave lens
• (B) Convex lens
• (C) Plane mirror
• (D) Concave mirror

An air bubble in water behaves like:

• (A) A concave lens
• (B) A convex lens
• (C) A plane mirror
• (D) A diverging lens

The shape of the magnetic field lines around a straight wire carrying current is:

• (A) Circular
• (B) Elliptical
• (C) Radial
• (D) Straight lines

Which of the following is constant throughout a uniform magnetic field?

• (1) Magnetic field strength
• (2) Magnetic flux
• (3) Magnetic force
• (4) Electric field strength

The force on a current-carrying conductor placed in a magnetic field becomes zero, when it is:

• (1) Perpendicular to the magnetic field
• (2) Parallel to the magnetic field
• (3) At an angle of 45° to the magnetic field
• (4) In the direction of magnetic flux

Electric motor converts:

• (1) Electrical energy to mechanical energy
• (2) Mechanical energy to electrical energy
• (3) Electrical energy to heat energy
• (4) Electrical energy to light energy

The lens used to correct myopia is:

• (1) Convex lens
• (2) Biconcave lens
• (3) Bifocal lens
• (4) Cylindrical lens

Which law indicates this relation?

• (1) Gauss's Law.
• (2) Ampère's Law.
• (3) Faraday's Law of Induction.
• (4) Coulomb's Law.

Lenz's law explains about:

• (A) Direction of induced current
• (B) Magnetic fields of current
• (C) Conservation of energy
• (D) Change in magnetic flux

The formula for power of a lens is:

• (A) \( P = \frac{1}{f} \)
• (B) \( P = f \)
• (C) \( P = \frac{1}{R} \)
• (D) \( P = \frac{100}{f_{cm}} \)

Which of the following obeys Ohm's law?

• (A) Copper wire
• (B) Filament of bulb
• (C) Diode
• (D) Carbon resistor

How many times does a ray of light refract when it passes through a prism?

• (A) 1
• (B) 2
• (C) 3
• (D) 4

Which of the following is used in household circuits to prevent damages due to overloading?

• (A) Fuse
• (B) Switch
• (C) Battery
• (D) Capacitor

The SI unit of resistivity is:

• (A) Ohm
• (B) Ohm-meter
• (C) Ampere
• (D) Volt

We get a diminished image with a concave mirror when the object is placed:

• (A) Between the focus and the mirror
• (B) At the focus
• (C) Beyond the center of curvature
• (D) At the center of curvature

If the radius of curvature of a spherical mirror is 16 cm, then the focal length of the mirror is:

• (A) 8 cm
• (B) 16 cm
• (C) 32 cm
• (D) 64 cm

The geometric center of a spherical mirror is called:

• (A) Focus
• (B) Center of curvature
• (C) Pole
• (D) Principal axis

Which of the following mirrors is used by a dentist to examine a patient's teeth?

• (A) Concave mirror
• (B) Convex mirror
• (C) Plane mirror
• (D) Parabolic mirror

Tesla is the SI unit of:

• (1) Magnetic field strength.
• (2) Electric field strength.
• (3) Magnetic flux density.
• (4) Electric potential.

There is no accumulation of electric charges at any junction in an electric circuit. Which law states this?

• (1) Ohm's Law.
• (2) Kirchhoff's Current Law.
• (3) Kirchhoff's Junction Law.
• (4) Coulomb's Law.

Solenoid behaves like a when current passes through it.

• (1) Magnetic dipole.
• (2) Magnetic monopole.
• (3) Bar magnet.
• (4) Electric monopole.

The resistors 2\(\Omega\), 4\(\Omega\) and 6\(\Omega\) are connected in series. The equivalent resistance is:

• (1) 12 \(\Omega\)
• (2) 10 \(\Omega\)
• (3) 8 \(\Omega\)
• (4) 6 \(\Omega\)

The current in a wire depends on:

• (1) The temperature of the wire.
• (2) The resistance of the wire.
• (3) The potential difference applied across the wire.
• (4) Resistance and potential difference.

The law of octaves was proposed by:

• (1) Dmitri Mendeleev
• (2) John Newlands
• (3) Lothar Meyer
• (4) J.J. Thomson

Which of the following methods is used for the concentration of ore?

• (1) Electrolysis
• (2) Froth flotation
• (3) Distillation
• (4) Sublimation

The purification method used for blister copper is:

• (1) Electrolytic refining
• (2) Zone refining
• (3) Distillation
• (4) Poling

What is the nature of a solution whose pH value is 'zero'?

• (1) Neutral
• (2) Acidic
• (3) Basic
• (4) Amphoteric

Identify the sulphide ore among the following:

• (1) Hematite
• (2) Galena
• (3) Magnetite
• (4) Bauxite

The product or products formed when sodium carbonate reacts with HCl is/are:

• (1) Sodium chloride and carbon dioxide.
• (2) Sodium bicarbonate and carbon dioxide.
• (3) Sodium chloride, carbon dioxide, and water.
• (4) All of the above.

IUPAC name of CH\(_3\)CHO is:

• (1) Ethanol.
• (2) Acetaldehyde.
• (3) Propanol.
• (4) Butanal.

Which of the following is the hardest material?

• (1) Diamond.
• (2) Graphene.
• (3) Iron.
• (4) Silicon carbide.

The below reaction is an example of:
\[ CH_3C \equiv CCH_3 \xrightarrow{Ni catalyst, H_2} CH_3CH_2CH_2CH_3 \quad (n-Butane) \]

• (1) Hydrogenation
• (2) Halogenation
• (3) Hydrolysis
• (4) Addition

The hybridisation of carbon in graphite is:

• (1) sp.
• (2) sp\(^2\).
• (3) sp\(^3\).
• (4) sp\(^3\)d.

Fats are esters of higher fatty acids and:

• (A) Alcohols
• (B) Glycerol
• (C) Methanol
• (D) Ethanol

The compounds formed when a hydrogen atom is replaced from NH₃ by an alkyl group is:

• (A) Amides
• (B) Amines
• (C) Hydrazine
• (D) Nitrides

The number of elements present in the fifth period of the modern periodic table:

• (A) 8
• (B) 10
• (C) 18
• (D) 32

Ionization energy generally:

• (A) Increases from left to right in a period
• (B) Decreases from left to right in a period
• (C) Remains constant in a period
• (D) Increases from top to bottom in a group

The chemical bond formed by the overlapping of orbitals on the internuclear axis is:

• (A) Pi bond
• (B) Sigma bond
• (C) Delta bond
• (D) Phi bond

Which one of the following has smaller atomic radii?

• (A) Sodium (Na)
• (B) Magnesium (Mg)
• (C) Aluminium (Al)
• (D) Silicon (Si)

The predicted properties of eka-boron by Mendeleeff were almost same as of _____ which was discovered later.

• (A) Beryllium (Be)
• (B) Aluminium (Al)
• (C) Gallium (Ga)
• (D) Scandium (Sc)

Which one of the following molecules is an example of sp² hybridisation?

• (A) Methane (CH\(_4\))
• (B) Ethene (C\(_2\)H\(_4\))
• (C) Acetylene (C\(_2\)H\(_2\))
• (D) Ammonia (NH\(_3\))

Which of the following is a mild base?

• (A) Sodium hydroxide (NaOH)
• (B) Potassium hydroxide (KOH)
• (C) Ammonia (NH\(_3\))
• (D) Magnesium hydroxide (Mg(OH)\(_2\))

Double bond is present in:

• (A) Methane (CH\(_2\))
• (B) Ethene (C\(_2\)H\(_4\))
• (C) Ethane (C\(_2\)H\(_6\))
• (D) Oxygen (O\(_2\))

The compound used in the preparation of borax is:

• (1) Sodium carbonate.
• (2) Sodium chloride.
• (3) Washing soda.
• (4) Sodium tetraborate.

What is the molecular formula of alkane?

• (1) C\(_n\)H\(_{2n+2}\).
• (2) C\(_3\)H\(_8\).
• (3) C\(_n\)H\(_{2n}\).
• (4) C\(_n\)H\(_{2n-2}\).

Shape of H\(_2\)O molecule is:

• (1) Linear.
• (2) Bent or V-shaped.
• (3) Trigonal planar.
• (4) Tetrahedral.

Polar covalent bond is present in:

• (1) H\(_2\).
• (2) O\(_2\).
• (3) HCl.
• (4) N\(_2\).

An orbital can hold only two electrons. This can be explained:

• (1) By Pauli's exclusion principle.
• (2) By Hund's rule.
• (3) By Bohr's rule.
• (4) By Heisenberg's uncertainty principle.

The number of magnetic quantum number values for the angular momentum quantum number \( l = 1 \) is:

• (1) 1
• (2) 3
• (3) 5
• (4) 7

Which type of atoms form cations easily?

• (1) Atoms with high ionization energy
• (2) Atoms with low ionization energy
• (3) Atoms with high electronegativity
• (4) Atoms with small atomic size

Atoms with low ionization potential and large atomic size:

• (1) Form cations easily
• (2) Form anions easily
• (3) Are unstable
• (4) Are non-reactive

The volume of CO\(_2\) liberated in litres at STP when 25 g of CaCO\(_3\) is treated with dilute HCl containing 14.6 g of HCl is:

• (1) 22.4 L
• (2) 11.2 L
• (3) 4.48 L
• (4) 44.8 L

Biology

Question 120:

Which one of the following processes involves chemical change?

• (1) Melting of ice
• (2) Boiling of water
• (3) Respiration
• (4) Dissolving salt in water

Gregor Johann Mendel is known as the Father of:

• (A) Genetics
• (B) Evolution
• (C) Cytology
• (D) Ecology

Different asexual reproduction methods seen in organisms are:

• (A) Budding, Fragmentation, Binary Fission
• (B) Cross-fertilization, Budding
• (C) Binary Fission, Parthenogenesis
• (D) Budding, Binary Fission, Pollination

Mendel had chosen ______ pairs of contrasting characters for his study:

• (A) 5
• (B) 7
• (C) 10
• (D) 12

The trait expressed in F₁ generation is called:

• (A) Recessive Trait
• (B) Dominant Trait
• (C) Hybrid Trait
• (D) Codominant Trait

What is the dark colored outer zone in the internal structure of the kidney called?

• (A) Cortex
• (B) Medulla
• (C) Pelvis
• (D) Capsule

Which part of the brain is concerned with the sense of smell?

• (1) Cerebellum.
• (2) Medulla oblongata.
• (3) Olfactory bulb.
• (4) Thalamus.

Testosterone is secreted by which endocrine gland?

• (1) Thyroid gland.
• (2) Adrenal glands.
• (3) Pituitary gland.
• (4) Testes.

What is the condition that occurs when our body is filled with extra water and wastes due to kidney failure?

• (1) Anemia.
• (2) Edema.
• (3) Uremia.
• (4) Jaundice.

The myelin sheath of the neuron is made of which type of cells?

• (1) Schwann cells.
• (2) Astrocytes.
• (3) Oligodendrocytes.
• (4) Microglia.

What are the squamous epithelial cells lining the Bowman's Capsule called?

• (1) Endothelial cells.
• (2) Podocytes.
• (3) Squamous cells.
• (4) Filtration cells.

Choose the correct order: Grass \(\rightarrow\) ??? \(\rightarrow\) Rabbit \(\rightarrow\) ??? \(\rightarrow\) Fox \(\rightarrow\) ??? \(\rightarrow\) Wolf

• (1) Grass \(\rightarrow\) Rabbit \(\rightarrow\) Fox \(\rightarrow\) Wolf
• (2) Grass \(\rightarrow\) Rabbit \(\rightarrow\) Fox \(\rightarrow\) Wolf
• (3) Grass \(\rightarrow\) Rabbit \(\rightarrow\) Fox \(\rightarrow\) Wolf
• (4) Grass \(\rightarrow\) Rabbit \(\rightarrow\) Wolf \(\rightarrow\) Fox

Drip irrigation can reduce water consumption by _____\ percent.

• (1) 10%
• (2) 30%
• (3) 50%
• (4) 70%

Examples of physical factors or abiotic factors are:

• (1) Light, temperature, soil, water
• (2) Predation, disease, competition
• (3) Plant growth, reproduction
• (4) Habitat, food sources

Percentage of fresh water on Earth is ______.

• (1) 1%
• (2) 2.5%
• (3) 10%
• (4) 20%

We get hunger pangs in the stomach as ____ levels in the blood fall.

• (1) Glucose
• (2) Oxygen
• (3) Carbon dioxide
• (4) Iron

The difference in characters within very closely related groups of organisms are called:

• (A) Variations
• (B) Mutations
• (C) Adaptations
• (D) Differentiations

Bacterium that is responsible for the formation of curd is:

• (A) Lactobacillus
• (B) Bacillus subtilis
• (C) Escherichia coli
• (D) Clostridium

_______ is a means of reproduction without involvement of gametes or involving a single parent:

• (A) Sexual Reproduction
• (B) Asexual Reproduction
• (C) Biparental Reproduction
• (D) Genetic Recombination

_______ in the forebrain and vagus nerve play an important role in carrying signals of hunger to the brain:

• (A) Insulin
• (B) Leptin
• (C) Ghrelin
• (D) Adrenaline

Algae, fungi, and many land plants commonly reproduce by _______:

• (A) Binary Fission
• (B) Spore Formation
• (C) Budding
• (D) Regeneration

In which form is energy stored in the mitochondria?

• (1) ATP
• (2) Glucose
• (3) NADH
• (4) ADP

What is the blood pressure in a healthy adult human?

• (1) 90/60 mm Hg
• (2) 120/80 mm Hg
• (3) 140/90 mm Hg
• (4) 100/70 mm Hg

Deficiency of which vitamin delays blood clotting in man?

• (1) Vitamin A
• (2) Vitamin C
• (3) Vitamin K
• (4) Vitamin D

Which process is summarized by the following equation?
\[ 6CO_2 + 12H_2O \xrightarrow[Chlorophyll]{Light energy} C_6H_{12}O_6 + 6H_2O + 6O_2 \]

• (1) Respiration.
• (2) Photosynthesis.
• (3) Fermentation.
• (4) Combustion.

For absorbing plant juices an Aphid pierces its proboscis into which part of the plant?

• (A) Xylem
• (B) Phloem
• (C) Root hairs
• (D) Leaf epidermis

What is the liquid portion that forms after the blood clot?

• (A) Plasma
• (B) Serum
• (C) Lymph
• (D) Platelets

What is the % of carbon dioxide in the inhaled and exhaled air?

• (A) 0.03% and 4.4% respectively
• (B) 0.04% and 3.5% respectively
• (C) 0.04% and 5% respectively
• (D) 0.03% and 3.8% respectively

Which of the following are water soluble vitamins?

• (A) Vitamin A and D
• (B) B-complex and C
• (C) Vitamin E and K
• (D) Vitamin D and B

The process of mastication of the food in the mouth leads to the formation of which substance?

• (1) Bolus
• (2) Chyme
• (3) Bile
• (4) Chyle

In a chloroplast, which of the following sites trap solar energy?

• (1) Thylakoid membranes
• (2) Stroma
• (3) Outer membrane
• (4) Inner membrane