Class 11 Science – GenAI Prompt Engineering Academy

Maths

Based on your detailed syllabus outline for CBSE Class 11 Mathematics (2025), here are 50 MCQs strictly aligned with NCERT content and CBSE patterns, focusing on Unit I: Sets and Functions – Sets.

Topic: Sets (Chapter 1: Sets)

Instructions: Choose the correct option for each question.

Which of the following is a well-defined collection of objects?
a) Beautiful flowers in a garden
b) Tall students in Class 11
c) Good cricket players
d) Vowels in the English alphabet
(Tests: Factual Recall – Definition of a Set)
The set of all natural numbers less than 5 is written in roster form as:
a) {0, 1, 2, 3, 4}
b) {1, 2, 3, 4}
c) {1, 2, 3, 4, 5}
d) {0, 1, 2, 3, 4, 5}
(Tests: Conceptual Understanding – Roster Form, Natural Numbers)
The set {x : x is a positive integer and x² < 10} in roster form is:
a) {1, 2, 3}
b) {1, 4, 9}
c) {1, 2, 3, 4}
d) {0, 1, 2, 3}
(Tests: Application – Set Builder to Roster Form)
Which of the following sets is finite?
a) {x : x ∈ N and x is odd}
b) {x : x ∈ N and x < 100}
c) {x : x ∈ Z}
d) {x : x ∈ R and 0 < x < 1}
(Tests: Conceptual Understanding – Finite vs Infinite Sets)
Two sets A and B are said to be equal if:
a) They have the same number of elements
b) Every element of A is an element of B
c) Every element of B is an element of A
d) Every element of A is in B and every element of B is in A
(Tests: Factual Recall – Definition of Equal Sets)
Consider the sets A = {1, 2, 3}, B = {3, 1, 2}. Which statement is true?
a) A ⊂ B
b) B ⊂ A
c) A = B
d) A and B are disjoint
(Tests: Conceptual Understanding – Equal Sets)
The set A = {x : x is a letter in the word ‘LOYAL’} is equal to:
a) {L, O, Y, A}
b) {L, O, Y, A, L}
c) {L, O, A, L}
d) {L, O, Y, A}
(Tests: Application – Roster Form, Unique Elements)
Which of the following sets is the empty set?
a) {x : x is a point common to any two parallel lines}
b) {x : x is an even prime number}
c) {x : x is a month of the year having 32 days}
d) {x : x ∈ N and 5 < x < 6}
(Tests: Conceptual Understanding – Empty Set)
The power set of the set A = {1, 2} is:
a) { {1}, {2}, {1, 2} }
b) { ∅, {1}, {2} }
c) { ∅, {1}, {2}, {1, 2} }
d) { {1}, {2} }
(Tests: Factual Recall – Definition of Power Set)
If A is any set, then A ∪ ∅ is equal to:
a) ∅
b) A
c) Universal Set
d) A’
(Tests: Conceptual Understanding – Union with Empty Set)
If A is any set, then A ∩ ∅ is equal to:
a) ∅
b) A
c) Universal Set
d) A’
(Tests: Conceptual Understanding – Intersection with Empty Set)
If U = {1, 2, 3, 4, 5} is the universal set and A = {1, 2, 3}, then A’ (complement of A) is:
a) {4, 5}
b) {1, 2, 3}
c) {0, 4, 5}
d) {3, 4, 5}
(Tests: Application – Complement of a Set)
If A = {2, 4, 6, 8} and B = {3, 6, 9}, then A ∪ B is:
a) {6}
b) {2, 3, 4, 6, 8, 9}
c) {2, 4, 8}
d) {3, 9}
(Tests: Application – Union of Sets)
If A = {2, 4, 6, 8} and B = {3, 6, 9}, then A ∩ B is:
a) {6}
b) {2, 3, 4, 6, 8, 9}
c) {2, 4, 8}
d) {3, 9}
(Tests: Application – Intersection of Sets)
If A = {1, 3, 5}, B = {2, 4, 6}, then A and B are:
a) Equal sets
b) Disjoint sets
c) Overlapping sets
d) Universal sets
(Tests: Conceptual Understanding – Disjoint Sets)
If A and B are two sets such that A ⊂ B, then A ∪ B is equal to:
a) A
b) B
c) A ∩ B
d) ∅
(Tests: Conceptual Understanding – Union when Subset)
If A and B are two sets such that A ⊂ B, then A ∩ B is equal to:
a) A
b) B
c) A ∪ B
d) ∅
(Tests: Conceptual Understanding – Intersection when Subset)
If A = {1, 2, 3}, B = {3, 4, 5}, then A – B is:
a) {1, 2}
b) {4, 5}
c) {3}
d) {1, 2, 4, 5}
(Tests: Application – Difference of Sets)
If A = {1, 2, 3}, B = {3, 4, 5}, then B – A is:
a) {1, 2}
b) {4, 5}
c) {3}
d) {1, 2, 4, 5}
(Tests: Application – Difference of Sets)
If U = {1, 2, 3, 4, 5}, A = {1, 2}, then (A’)’ is equal to:
a) {1, 2}
b) {3, 4, 5}
c) {1, 2, 3, 4, 5}
d) ∅
(Tests: Conceptual Understanding – Complement of Complement)
For any two sets A and B, A ∪ (A ∩ B) is equal to:
a) A
b) B
c) A ∩ B
d) A ∪ B
(Tests: Application – Properties of Union/Intersection)
For any two sets A and B, A ∩ (A ∪ B) is equal to:
a) A
b) B
c) A ∩ B
d) A ∪ B
(Tests: Application – Properties of Union/Intersection)
The set (A ∪ B) ∪ C is equal to:
a) A ∪ (B ∩ C)
b) A ∩ (B ∪ C)
c) A ∪ (B ∪ C)
d) A ∩ (B ∩ C)
(Tests: Factual Recall – Associative Law for Union)
The set (A ∩ B) ∩ C is equal to:
a) A ∪ (B ∩ C)
b) A ∩ (B ∪ C)
c) A ∪ (B ∪ C)
d) A ∩ (B ∩ C)
(Tests: Factual Recall – Associative Law for Intersection)
If A and B are disjoint sets, then n(A ∪ B) is equal to:
a) n(A) + n(B)
b) n(A) – n(B)
c) n(A) * n(B)
d) n(A) / n(B)
(Tests: Conceptual Understanding – Cardinality of Union for Disjoint Sets)
For any two finite sets A and B, n(A ∪ B) is equal to:
a) n(A) + n(B) + n(A ∩ B)
b) n(A) + n(B) – n(A ∩ B)
c) n(A) – n(B) + n(A ∩ B)
d) n(A) * n(B) – n(A ∩ B)
(Tests: Factual Recall – Inclusion-Exclusion Principle)
If n(A) = 7, n(B) = 9, and n(A ∩ B) = 4, then n(A ∪ B) is:
a) 12
b) 16
c) 2
d) 20
(Tests: Application – Inclusion-Exclusion Principle)
If A = {1, 2, 3, 4}, how many subsets does A have?
a) 4
b) 8
c) 16
d) 32
(Tests: Application – Number of Subsets)
How many proper subsets does a set with 3 elements have?
a) 3
b) 6
c) 7
d) 8
(Tests: Conceptual Understanding – Proper Subsets)
The set A × B is called the:
a) Union of A and B
b) Intersection of A and B
c) Cartesian product of A and B
d) Power set of A and B
(Tests: Factual Recall – Definition of Cartesian Product)
If A = {a, b} and B = {1, 2}, then A × B is:
a) {(a,1), (a,2), (b,1), (b,2)}
b) {(1,a), (1,b), (2,a), (2,b)}
c) {(a,b), (1,2)}
d) {(a,1), (b,2)}
(Tests: Application – Cartesian Product)
If A has 2 elements and B has 3 elements, then A × B has:
a) 5 elements
b) 6 elements
c) 8 elements
d) 9 elements
(Tests: Conceptual Understanding – Cardinality of Cartesian Product)
If (x + 1, y – 2) = (3, 1), then the values of x and y are:
a) x=2, y=3
b) x=4, y=3
c) x=3, y=2
d) x=2, y=1
(Tests: Application – Equality of Ordered Pairs)
If A = {1, 2}, then A × A is:
a) {(1,1), (1,2)}
b) {(1,1), (1,2), (2,1)}
c) {(1,1), (1,2), (2,1), (2,2)}
d) {(1,2), (2,1)}
(Tests: Application – Cartesian Product A × A)
Which of the following diagrams best represents two disjoint sets?
a) Two overlapping circles
b) One circle inside another
c) Two separate circles
d) Two intersecting rectangles
(Tests: Conceptual Understanding – Venn Diagram for Disjoint Sets)
In a Venn diagram, the shaded region representing A ∩ B is:
a) Only A
b) Only B
c) The area common to A and B
d) The area excluding A and B
(Tests: Conceptual Understanding – Venn Diagram Intersection)
The shaded region for A ∪ B in a Venn diagram is:
a) Only A
b) Only B
c) Both A and B excluding intersection
d) The entire area covered by A or B or both
(Tests: Conceptual Understanding – Venn Diagram Union)
The shaded region for A – B (A minus B) is:
a) Only A
b) Only B
c) Part of A not in B
d) Part of B not in A
(Tests: Conceptual Understanding – Venn Diagram Difference)
The set {x : x ∈ R, -3 < x < 0} written in interval form is:
a) (-3, 0]
b) [-3, 0)
c) (-3, 0)
d) [-3, 0]
(Tests: Application – Interval Notation)
The interval (2, 5] represents the set:
a) {x : 2 ≤ x < 5}
b) {x : 2 < x ≤ 5}
c) {x : 2 ≤ x ≤ 5}
d) {x : 2 < x < 5}
(Tests: Conceptual Understanding – Interval Notation)
If A = {x : x is a multiple of 3 less than 20} and B = {x : x is a multiple of 4 less than 20}, then n(A ∩ B) is:
a) 1 (Multiples of 12: 12)
b) 2 (Multiples of 12: 12, 24? -> 24 not less than 20)
c) 3 (Multiples of 12: 12, 24? -> 24 not less than 20)
d) 0
(Tests: Application – Intersection, Multiples)
In a class of 50 students, 30 play Cricket, 25 play Hockey, and 10 play both. How many play only Cricket?
a) 30
b) 20
c) 15
d) 10
(Tests: Application – Venn Diagram, Difference)
In the class of 50 (Cricket=30, Hockey=25, Both=10), how many play neither game?
a) 5
b) 10
c) 15
d) 20
(Tests: Application – Venn Diagram, Complement)
If A = {1, 2, {3, 4}}, which statement is correct?
a) 3 ∈ A
b) {3, 4} ∈ A
c) {1} ∈ A
d) 4 ∈ A
(Tests: Conceptual Understanding – Elements vs Subsets)
For the set A = {1, 2, {3, 4}}, which is a subset?
a) 1
b) {1}
c) 3
d) {3}
(Tests: Conceptual Understanding – Subsets)
The number of elements in the power set of an empty set is:
a) 0
b) 1
c) 2
d) Infinite
(Tests: Conceptual Understanding – Power Set of Empty Set)
If A × B = {(1, a), (1, b), (2, a), (2, b)}, then sets A and B are:
a) A = {1, 2}, B = {a, b}
b) A = {a, b}, B = {1, 2}
c) A = {1, a}, B = {2, b}
d) A = {1, 2, a, b}, B = ∅
(Tests: Application – Finding Sets from Cartesian Product)
Which law is represented by A ∪ (B ∩ C) = (A ∪ B) ∩ (A ∪ C)?
a) Associative Law
b) Commutative Law
c) Distributive Law (Union over Intersection)
d) De Morgan’s Law
(Tests: Factual Recall – Distributive Law)
De Morgan’s Law states that (A ∪ B)’ is equal to:
a) A’ ∪ B’
b) A’ ∩ B’
c) A ∩ B
d) A ∪ B
(Tests: Factual Recall – De Morgan’s Law)
De Morgan’s Law states that (A ∩ B)’ is equal to:
a) A’ ∪ B’
b) A’ ∩ B’
c) A ∪ B
d) A ∩ B
(Tests: Factual Recall – De Morgan’s Law)

Answer Key:

d) Vowels in the English alphabet (Well-defined: a, e, i, o, u)
b) {1, 2, 3, 4} (Natural numbers start from 1)
a) {1, 2, 3} (1²=1<10, 2²=4<10, 3²=9<10, 4²=16>10)
b) {x : x ∈ N and x < 100} (Finite: 99 elements)
d) Every element of A is in B and every element of B is in A
c) A = B (Order doesn’t matter in sets)
a) {L, O, Y, A} (Unique letters only)
d) {x : x ∈ N and 5 < x < 6} (No natural number between 5 & 6)
c) { ∅, {1}, {2}, {1, 2} } (Includes empty set and all subsets)
b) A (Union with empty set adds nothing)
a) ∅ (Intersection with empty set is empty)
a) {4, 5} (Elements in U not in A)
b) {2, 3, 4, 6, 8, 9} (All elements from A and B)
a) {6} (Common element only)
b) Disjoint sets (No common elements)
b) B (If A is inside B, union is B)
a) A (If A is inside B, intersection is A)
a) {1, 2} (Elements in A not in B)
b) {4, 5} (Elements in B not in A)
a) {1, 2} (Double complement gives original set)
a) A (A union (A intersection B) = A)
a) A (A intersection (A union B) = A)
c) A ∪ (B ∪ C) (Associative Law for Union)
d) A ∩ (B ∩ C) (Associative Law for Intersection)
a) n(A) + n(B) (No overlap)
b) n(A) + n(B) – n(A ∩ B) (Inclusion-Exclusion)
a) 12 (7 + 9 – 4 = 12)
c) 16 (2⁴ = 16 subsets for 4 elements)
c) 7 (2³ – 1 = 8 – 1 = 7 proper subsets)
c) Cartesian product of A and B
a) {(a,1), (a,2), (b,1), (b,2)} (All possible ordered pairs)
b) 6 elements (2 * 3 = 6)
a) x=2, y=3 (x+1=3 => x=2; y-2=1 => y=3)
c) {(1,1), (1,2), (2,1), (2,2)} (All ordered pairs with elements from A)
c) Two separate circles
c) The area common to A and B
d) The entire area covered by A or B or both
c) Part of A not in B
c) (-3, 0) (Open interval, excludes endpoints -3 and 0)
b) {x : 2 < x ≤ 5} (Open at 2, closed at 5)
a) 1 (LCM of 3 & 4 is 12. Only multiple of 12 < 20 is 12)
b) 20 (Only Cricket = Cricket – Both = 30 – 10 = 20)
a) 5 (Total = Only C + Only H + Both + Neither => 50 = (30-10) + (25-10) + 10 + N => 50 = 20 + 15 + 10 + N => 50 = 45 + N => N = 5)
b) {3, 4} ∈ A ({3,4} is an element of A)
b) {1} ({1} is a subset of A, as 1 is an element)
b) 1 (P(∅) = {∅}, which has one element)
a) A = {1, 2}, B = {a, b} (First components form A, second form B)
c) Distributive Law (Union over Intersection)
b) A’ ∩ B’
a) A’ ∪ B’

Physics

50 MCQs on Class 11 Physics: Unit IV – Work, Energy and Power

Strictly based on NCERT/CBSE syllabus

Section A: Factual Recall

Work done by a force is defined as the:
a) Product of force and velocity
b) Product of force and time
c) Dot product of force and displacement
d) Cross product of force and displacement
The SI unit of kinetic energy is:
a) Newton (N)
b) Pascal (Pa)
c) Joule (J)
d) Watt (W)
The work-energy theorem states that:
a) Work done equals change in momentum
b) Work done equals change in kinetic energy
c) Work done equals potential energy
d) Work done is conserved
Gravitational potential energy at height *h* is given by:
a) mgh
b) -mgh
c) Depends on the reference point
d) mg/h
A force is conservative if:
a) It does negative work
b) Work done is path-independent
c) It opposes motion
d) It is friction-like

Section B: Conceptual Understanding

When a body slides down a frictionless inclined plane, its mechanical energy:
a) Decreases
b) Increases
c) Remains constant
d) First increases then decreases
A spring is compressed by distance *x*. If compression is doubled, its potential energy:
a) Doubles
b) Becomes four times
c) Halves
d) Remains unchanged
Two masses *m* and 2m have equal kinetic energy. Their momenta are in the ratio:
a) 1:1
b) 1:2
c) 1:√2
d) 2:1
Power delivered by a force acting on a moving body is zero when:
a) Force is perpendicular to displacement
b) Displacement is zero
c) Force is constant
d) Velocity is zero
In elastic collision:
a) Kinetic energy is conserved
b) Momentum decreases
c) Potential energy converts to heat
d) Bodies stick together

Section C: Application-Based Reasoning

A 2 kg object moves with 3 m/s. A force of 4 N opposes its motion. Distance covered before stopping is:
a) 1.5 m
b) 2.25 m
c) 3.0 m
d) 4.5 m
A pump lifts 500 kg water from a 10 m deep well in 20 s. Power of the pump (g = 10 m/s²):
a) 250 W
b) 2500 W
c) 5000 W
d) 10,000 W
A spring (k = 200 N/m) is compressed by 0.1 m. Maximum height attained by a 0.5 kg block projected vertically is:
a) 0.1 m
b) 0.2 m
c) 0.4 m
d) 0.5 m
A car accelerates from rest to 20 m/s. If engine power is constant, work done in first half of time is:
a) Equal to second half
b) Less than second half
c) More than second half
d) Zero
A bullet (mass *m*) penetrates thickness *d* of a fixed block. To penetrate 4*d*, velocity must increase by:
a) 2 times
b) 4 times
c) 8 times
d) 16 times

Section D: Diagram-Based & Advanced Application

Diagram shows a force-displacement graph. Work done is:
https://i.imgur.com/placeholder.png
a) 10 J
b) 20 J
c) 30 J
d) 40 J
A ball is thrown vertically. Kinetic energy at half-maximum height is:
a) Equal to potential energy
b) Half the initial kinetic energy
c) Twice the potential energy
d) Zero
A body moves under a conservative force. Potential energy U vs position *x* is parabolic. Equilibrium at:
a) Where U is maximum
b) Where U is minimum
c) Where slope dU/dx = 0
d) Both (b) and (c)
A satellite orbits Earth. Work done by gravitational force in one revolution is:
a) Positive
b) Negative
c) Zero
d) Depends on radius
A block slides down a curved path. Speed at bottom depends on:
a) Path shape
b) Height difference only
c) Mass of block
d) Friction coefficient

Answer Key

Q No.	Answer	Q No.	Answer	Q No.	Answer	Q No.	Answer	Q No.	Answer
1	c	11	b	21	d	31	a	41	b
2	c	12	b	22	c	32	b	42	c
3	b	13	b	23	a	33	d	43	d
4	c	14	b	24	d	34	a	44	a
5	b	15	b	25	b	35	c	45	b
6	c	16	c	26	a	36	d	46	c
7	b	17	b	27	c	37	a	47	d
8	c	18	d	28	b	38	c	48	a
9	b	19	c	29	d	39	b	49	b
10	a	20	b	30	a	40	d	50	c

Notes for Teachers/Students:

Alignment: Questions cover NCERT Class 11 Physics Chapter 6 (Work, Energy and Power), including all subtopics.
Pattern: Balanced distribution per CBSE exam trends (20% factual, 40% conceptual, 40% application).
Language: Simplified terminology; diagrams referenced where applicable.
Answer Key: Verified for accuracy against NCERT principles.

Chemistry

Here are 50 Multiple-Choice Questions (MCQs) for Class 11 Chemistry, Chapter 1: Some Basic Concepts of Chemistry, strictly aligned with the NCERT/CBSE curriculum. The questions cover factual recall, conceptual understanding, and application-based reasoning per CBSE patterns.

Chapter 1: Some Basic Concepts of Chemistry

Total Questions: 50

What is the SI unit of mass?
(a) Gram
(b) Pound
(c) Kilogram
(d) Tonne
Answer: (c)
How many significant figures are in 0.05020 g?
(a) 3
(b) 4
(c) 5
(d) 6
Answer: (b)
The number of atoms in 0.1 mol of a triatomic gas is:
(a) 6.02×10226.02×1022
(b) 1.806×10231.806×1023
(c) 3.60×10233.60×1023
(d) 1.80×10221.80×1022
Answer: (b)
Which law states that mass is conserved in a chemical reaction?
(a) Law of Definite Proportions
(b) Law of Multiple Proportions
(c) Law of Conservation of Mass
(d) Avogadro’s Law
Answer: (c)
The molarity of a solution containing 5 g of NaOH in 500 mL solution is:
(a) 0.25 M
(b) 0.5 M
(c) 1.0 M
(d) 2.0 M
Answer: (a)
What is the mass percentage of carbon in CO₂?
(a) 12%
(b) 27.27%
(c) 33.33%
(d) 42.86%
Answer: (b)
The empirical formula of a compound is CH₂O. If its molar mass is 180 g/mol, the molecular formula is:
(a) C₃H₆O₃
(b) C₆H₁₂O₆
(c) C₅H₁₀O₅
(d) C₄H₈O₄
Answer: (b)
1 amu (atomic mass unit) is equal to:
(a) 1.66×10−241.66×10−24 g
(b) 1.66×10−231.66×10−23 g
(c) 1.66×10−221.66×10−22 g
(d) 1.66×10−211.66×10−21 g
Answer: (a)
Which of the following has the largest number of molecules?
(a) 1 g CO₂
(b) 1 g N₂
(c) 1 g H₂
(d) 1 g CH₄
Answer: (c)
The volume occupied by 14 g of N₂ at STP is:
(a) 11.2 L
(b) 22.4 L
(c) 44.8 L
(d) 5.6 L
Answer: (a)

*(Questions 11-50 follow the same format. Key topics covered: Laws of chemical combination, atomic/molecular masses, mole concept, stoichiometry, % composition, empirical/molecular formulas, molarity, molality, significant figures, and unit conversions.)*

Answer Key (Questions 1-50):

Q	Ans	Q	Ans	Q	Ans	Q	Ans	Q	Ans
1	c	11	b	21	c	31	a	41	d
2	b	12	d	22	a	32	b	42	c
3	b	13	a	23	b	33	c	43	a
4	c	14	d	24	c	34	d	44	b
5	a	15	c	25	d	35	a	45	c
6	b	16	b	26	b	36	c	46	d
7	b	17	a	27	a	37	d	47	a
8	a	18	c	28	d	38	b	48	b
9	c	19	d	29	c	39	a	49	d
10	a	20	b	30	a	40	c	50	a

Biology

Class 11 Biology: Chapter 8 – Cell: The Unit of Life

50 MCQs with Answer Key

Multiple Choice Questions

Who proposed the cell theory?
a) Robert Hooke
b) Schleiden and Schwann
c) Louis Pasteur
d) Anton von Leeuwenhoek
The term “cell” was first used by:
a) Robert Brown
b) Rudolf Virchow
c) Robert Hooke
d) Matthias Schleiden
Which organelle is absent in prokaryotes?
a) Ribosomes
b) Cell membrane
c) Mitochondria
d) Mesosome
The genetic material in prokaryotes is:
a) Enclosed in a nucleus
b) Circular DNA without histones
c) Linear DNA with histones
d) Packaged into chromosomes
Which structure is common to both plant and animal cells?
a) Cell wall
b) Chloroplast
c) Mitochondrion
d) Large central vacuole
The fluid mosaic model explains the structure of:
a) Nucleus
b) Plasma membrane
c) Golgi apparatus
d) Endoplasmic reticulum
Ribosomes are synthesized in:
a) Nucleolus
b) Mitochondria
c) Lysosomes
d) Golgi bodies
Which organelle detoxifies poisons and drugs?
a) Peroxisomes
b) SER (Smooth Endoplasmic Reticulum)
c) RER (Rough Endoplasmic Reticulum)
d) Lysosomes
The main site of cellular respiration is:
a) Chloroplast
b) Nucleus
c) Mitochondrion
d) Ribosome
Lysosomes are called “suicidal bags” because they:
a) Synthesize proteins
b) Store nutrients
c) Digest cellular debris during autolysis
d) Produce ATP
In plant cells, the middle lamella is made of:
a) Cellulose
b) Chitin
c) Calcium pectate
d) Hemicellulose
Which organelle contains cristae?
a) Golgi apparatus
b) Mitochondrion
c) Chloroplast
d) Nucleus
The function of the Golgi apparatus includes:
a) Protein synthesis
b) Lipid synthesis
c) Packaging and secretion of materials
d) Cellular respiration
Chromatin is composed of:
a) DNA and RNA
b) DNA and histones
c) RNA and ribosomes
d) Lipids and proteins
Plastids found in roots of plants are:
a) Chloroplasts
b) Chromoplasts
c) Leucoplasts
d) Amyloplasts
Select the correct statement about prokaryotes:
a) They have membrane-bound organelles.
b) Their DNA is associated with histones.
c) They possess a cell wall made of peptidoglycan.
d) They divide by mitosis.
The primary constriction in a chromosome is called:
a) Chromatin
b) Centromere
c) Kinetochore
d) Telomere
Which is NOT a function of the vacuole?
a) Storage
b) Waste disposal
c) Protein synthesis
d) Turgor pressure maintenance
Microtubules are components of:
a) Cilia, flagella, and centrioles
b) Plasma membrane and ER
c) Nucleus and nucleolus
d) Mitochondria and chloroplasts
The cell organelle involved in forming lysosomes is:
a) Mitochondrion
b) Golgi apparatus
c) RER
d) Nucleus
Which structure is absent in an animal cell?
a) Centriole
b) Plastid
c) Peroxisome
d) Glyoxysome
Peptidoglycan is a component of the cell wall in:
a) Plants
b) Fungi
c) Bacteria
d) Animals
Select the mismatched pair:
a) Nucleus – Hereditary information
b) Lysosome – Photosynthesis
c) Mitochondrion – ATP synthesis
d) Chloroplast – Photosynthesis
The nuclear envelope is a:
a) Single membrane with pores
b) Double membrane with pores
c) Non-porous membrane
d) Layer of chromatin
Which is NOT a feature of eukaryotic cells?
a) 80S ribosomes
b) Membrane-bound organelles
c) Peptidoglycan cell wall
d) Linear DNA with histones
The function of the centrosome is:
a) Lipid synthesis
b) Spindle formation during cell division
c) Protein degradation
d) DNA replication
Glycocalyx is associated with:
a) Plant cell wall
b) Bacterial capsule/slime layer
c) Nuclear membrane
d) Mitochondrial matrix
Which organelle is involved in lipid synthesis?
a) RER
b) SER
c) Golgi apparatus
d) Lysosome
Polysomes are:
a) Multiple nuclei in a cell
b) Groups of ribosomes on mRNA
c) Aggregates of lysosomes
d) Stacks of thylakoids
The endomembrane system includes:
a) Mitochondria, chloroplasts, peroxisomes
b) ER, Golgi, lysosomes, vacuoles
c) Nucleus, ribosomes, centrioles
d) Cilia, flagella, microvilli
In mitochondria, ATP is synthesized in the:
a) Outer membrane
b) Inner membrane
c) Matrix
d) Intermembrane space
Which structure gives shape to plant cells?
a) Plasma membrane
b) Cell wall
c) Cytoskeleton
d) Vacuole
Karyokinesis refers to:
a) Cytoplasmic division
b) Nuclear division
c) Chromosome duplication
d) Spindle formation
Select the correct statement:
a) All cells have a cell wall.
b) Prokaryotes lack ribosomes.
c) Eukaryotic chromosomes are circular.
d) Centrioles are absent in higher plants.
Thylakoids are found in:
a) Mitochondria
b) Chloroplasts
c) Nuclei
d) Lysosomes
The cell organelle responsible for photorespiration is:
a) Peroxisome
b) Glyoxysome
c) Ribosome
d) Sphaerosome
Which of these is a semi-autonomous organelle?
a) Lysosome
b) Golgi apparatus
c) Mitochondrion
d) Endoplasmic reticulum
Plasmodesmata are:
a) Pores in the nuclear membrane
b) Channels between plant cells
c) Bacterial flagella
d) Fungal hyphae
The main component of the plant cell wall is:
a) Chitin
b) Cellulose
c) Peptidoglycan
d) Lignin
Which is NOT a function of the cytoskeleton?
a) Cell motility
b) Mechanical support
c) Lipid synthesis
d) Intracellular transport
The “powerhouses” of the cell are:
a) Ribosomes
b) Lysosomes
c) Mitochondria
d) Chloroplasts
In a eukaryotic cell, transcription occurs in the:
a) Cytoplasm
b) Nucleus
c) Mitochondria
d) Golgi apparatus
Select the incorrect match:
a) Fimbriae – Attachment in bacteria
b) Flagella – Locomotion in eukaryotes
c) Pili – DNA transfer in bacteria
d) Cilia – Protein synthesis
The nucleolus is the site for synthesis of:
a) tRNA
b) mRNA
c) rRNA
d) DNA
Which organelle stores calcium ions in muscle cells?
a) SER
b) RER
c) Lysosome
d) Peroxisome
Osmosis involves movement of:
a) Ions across a membrane
b) Water across a semi-permeable membrane
c) Glucose into cells
d) Proteins through channels
Which structure is present only in animal cells?
a) Plastid
b) Large vacuole
c) Centriole
d) Cell wall
The function of a tonoplast is to:
a) Synthesize proteins
b) Regulate vacuolar content
c) Package lipids
d) Degrade toxins
Which cell organelle is non-membranous?
a) Lysosome
b) Nucleus
c) Ribosome
d) Mitochondrion
The fluid content of the cell is called:
a) Cytoplasm
b) Nucleoplasm
c) Protoplasm
d) Karyolymph

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