Undergraduate Exam Prep Resources for Competitive Exams

My Learning Cart

Undergraduate

Download Q&A

Undergraduate MCQ & Objective Questions

The undergraduate level is a crucial phase in a student's academic journey, especially for those preparing for school and competitive exams. Mastering this stage can significantly enhance your understanding and retention of key concepts. Practicing MCQs and objective questions is essential, as it not only helps in reinforcing knowledge but also boosts your confidence in tackling important questions during exams.

What You Will Practise Here

Fundamental concepts in Mathematics and Science
Key definitions and theories across various subjects
Important formulas and their applications
Diagrams and graphical representations
Critical thinking and problem-solving techniques
Subject-specific MCQs designed for competitive exams
Revision of essential topics for better retention

Exam Relevance

Undergraduate topics are integral to various examinations such as CBSE, State Boards, NEET, and JEE. These subjects often feature a mix of conceptual and application-based questions. Common patterns include multiple-choice questions that assess both theoretical knowledge and practical application, making it vital for students to be well-versed in undergraduate concepts.

Common Mistakes Students Make

Overlooking the importance of understanding concepts rather than rote memorization
Misinterpreting questions due to lack of careful reading
Neglecting to practice numerical problems that require application of formulas
Failing to review mistakes made in previous practice tests

FAQs

Question: What are some effective strategies for solving undergraduate MCQ questions?
Answer: Focus on understanding the concepts, practice regularly, and review your answers to learn from mistakes.

Question: How can I improve my speed in answering objective questions?
Answer: Time yourself while practicing and gradually increase the number of questions you attempt in a set time.

Start your journey towards mastering undergraduate subjects today! Solve practice MCQs and test your understanding to ensure you are well-prepared for your exams. Your success is just a question away!

Engineering Entrance Medical Entrance

Q. What is 25 × 4? (2014)

A. 100
B. 90
C. 80
D. 70

Solution

25 × 4 = 100.

Correct Answer: A — 100

Q. What is a trophic level? (2020)

A. A level of energy in an ecosystem
B. A level of biodiversity
C. A level of pollution
D. A level of soil fertility

Solution

A trophic level refers to the position an organism occupies in a food chain, indicating its energy level.

Correct Answer: A — A level of energy in an ecosystem

Q. What is adaptive radiation? (1960)

A. Rapid evolution of many species from a common ancestor
B. Evolution of similar traits in unrelated species
C. The extinction of a species
D. The migration of species to new habitats

Solution

Adaptive radiation is the rapid evolution of many species from a common ancestor, often occurring when species colonize new environments with diverse ecological niches.

Correct Answer: A — Rapid evolution of many species from a common ancestor

Q. What is binomial nomenclature? (2021)

A. A method of classifying organisms
B. A two-part naming system
C. A type of genetic mutation
D. A method of reproduction

Solution

Binomial nomenclature is a two-part naming system for organisms, consisting of the genus and species names.

Correct Answer: B — A two-part naming system

Q. What is carrying capacity? (2021)

A. The maximum number of individuals an environment can support
B. The minimum number of individuals needed for a population to survive
C. The average number of individuals in a population
D. The number of species in a community

Solution

Carrying capacity is the maximum number of individuals of a species that an environment can sustainably support.

Correct Answer: A — The maximum number of individuals an environment can support

Q. What is genetic drift? (2015)

A. Change in allele frequencies due to chance
B. Natural selection acting on a population
C. Migration of individuals into a population
D. Mutation of genes

Solution

Genetic drift refers to changes in allele frequencies in a population due to random sampling of organisms, which can lead to significant changes over time, especially in small populations.

Correct Answer: A — Change in allele frequencies due to chance

Q. What is ovulation? (2023)

A. Release of an egg from the ovary
B. Fertilization of the egg
C. Implantation of the embryo
D. Menstruation

Solution

Ovulation is the process of releasing an egg from the ovary, which is a key event in the female reproductive cycle.

Correct Answer: A — Release of an egg from the ovary

Q. What is parthenogenesis? (2020)

A. Development of an embryo from an unfertilized egg
B. A form of asexual reproduction
C. A type of sexual reproduction
D. Both a and b

Solution

Parthenogenesis is a form of asexual reproduction where an embryo develops from an unfertilized egg, and it is considered a type of asexual reproduction.

Correct Answer: D — Both a and b

Q. What is the 10th term of the arithmetic sequence where the first term is 5 and the common difference is 3?

A. 32
B. 35
C. 30
D. 28

Solution

The nth term of an arithmetic sequence is given by a_n = a + (n-1)d. Here, a = 5, d = 3, n = 10. So, a_10 = 5 + (10-1) * 3 = 5 + 27 = 32.

Correct Answer: B — 35

Q. What is the 12th term of the arithmetic sequence where the first term is 7 and the common difference is 5?

A. 62
B. 67
C. 72
D. 77

Solution

Using the formula a_n = a + (n-1)d, we have a_12 = 7 + (12-1) * 5 = 7 + 55 = 62.

Correct Answer: A — 62

Q. What is the 3rd term in the expansion of (2x + 3)^4?

A. 108x^2
B. 216x^2
C. 324x^2
D. 432x^2

Solution

The 3rd term is given by C(4,2) * (2x)^2 * (3)^2 = 6 * 4x^2 * 9 = 216x^2.

Correct Answer: B — 216x^2

Q. What is the 3rd term in the expansion of (2x + 5)^6? (2000)

A. 600x^4
B. 1500x^4
C. 1800x^4
D. 2000x^4

Solution

The 3rd term is given by C(6,2) * (2x)^2 * (5)^4 = 15 * 4 * 625 = 37500.

Correct Answer: B — 1500x^4

Q. What is the 3rd term in the expansion of (2x - 3)^5? (2022)

A. -90x^3
B. 90x^3
C. -60x^3
D. 60x^3

Solution

The 3rd term is C(5,2) * (2x)^3 * (-3)^2 = 10 * 8x^3 * 9 = -720x^3.

Correct Answer: A — -90x^3

Q. What is the 3rd term in the expansion of (x + 2)^5? (2021)

A. 40
B. 80
C. 60
D. 20

Solution

The 3rd term is given by C(5,2) * (x)^3 * (2)^2 = 10 * x^3 * 4 = 40.

Correct Answer: C — 60

Q. What is the 3rd term in the expansion of (x + 2)^8? (2022)

A. 112
B. 128
C. 256
D. 64

Solution

The 3rd term is given by 8C2 * (2)^2 * (x)^6 = 28 * 4 * x^6 = 112x^6.

Correct Answer: A — 112

Q. What is the 3rd term in the expansion of (x + 3)^4? (2023)

A. 36x^2
B. 54x^2
C. 72x^2
D. 108x^2

Solution

The 3rd term is C(4,2) * (3)^2 * (x)^2 = 6 * 9 * x^2 = 54x^2.

Correct Answer: B — 54x^2

Q. What is the 3rd term in the expansion of (x + 3)^5? (2023)

A. 45
B. 90
C. 135
D. 180

Solution

The 3rd term is C(5,2) * (3)^2 * (x)^3 = 10 * 9 * x^3 = 90.

Correct Answer: B — 90

Q. What is the 3rd term in the expansion of (x + 3)^7? (2023)

A. 189
B. 441
C. 729
D. 1024

Solution

The 3rd term is C(7,2) * (3)^2 * (x)^5 = 21 * 9 * x^5 = 189.

Correct Answer: B — 441

Q. What is the 3rd term in the expansion of (x + 4)^5? (2023)

A. 80x^3
B. 160x^3
C. 240x^3
D. 320x^3

Solution

The 3rd term is given by C(5,2) * (4)^2 * (x)^3 = 10 * 16 * x^3 = 160x^3.

Correct Answer: C — 240x^3

Q. What is the 3rd term in the expansion of (x + 4)^6? (2020)

A. 240x^4
B. 360x^4
C. 480x^4
D. 600x^4

Solution

The 3rd term is C(6,2) * (4)^2 * (x)^4 = 15 * 16 * x^4 = 240x^4.

Correct Answer: B — 360x^4

Q. What is the 4th term in the expansion of (2x - 3)^6? (2020)

A. -540
B. 540
C. -720
D. 720

Solution

The 4th term is C(6,3) * (2x)^3 * (-3)^3 = 20 * 8x^3 * -27 = -540.

Correct Answer: A — -540

Q. What is the 5th term in the expansion of (2 + 3x)^6? (2023)

A. 486
B. 540
C. 729
D. 810

Solution

The 5th term is given by 6C4 * (2)^(6-4) * (3x)^4 = 15 * 4 * 81x^4 = 4860x^4.

Correct Answer: B — 540

Q. What is the 5th term in the expansion of (3x - 2)^7? (2023)

A. -1680x^3
B. 1680x^3
C. -2520x^3
D. 2520x^3

Solution

The 5th term is given by C(7,4) * (3x)^4 * (-2)^3 = 35 * 81 * (-8) = -1680x^3.

Correct Answer: A — -1680x^3

Q. What is the 5th term in the expansion of (x - 1)^8? (2022)

A. -56x^4
B. 56x^4
C. -70x^4
D. 70x^4

Solution

The 5th term corresponds to k=4. Using the binomial theorem, it is given by 8C4 * (x)^4 * (-1)^4 = 70x^4.

Correct Answer: A — -56x^4

Q. What is the 5th term of the sequence defined by a_n = 2n^2 + 3n - 1?

A. 45
B. 47
C. 49
D. 51

Solution

To find the 5th term, substitute n = 5 into the formula: a_5 = 2(5^2) + 3(5) - 1 = 2(25) + 15 - 1 = 50 + 15 - 1 = 64.

Correct Answer: B — 47

Q. What is the 8th term of the sequence defined by a_n = 3n - 2?

A. 22
B. 24
C. 26
D. 28

Solution

Substituting n = 8 into the formula: a_8 = 3(8) - 2 = 24 - 2 = 22.

Correct Answer: A — 22

Q. What is the absolute error if the true value is 50 and the measured value is 48? (2022)

A. 2
B. 48
C. 50
D. 52

Solution

Absolute error is calculated as the absolute difference between the true value and the measured value, which is |50 - 48| = 2.

Correct Answer: A — 2

Q. What is the absolute error in a measurement of 50.0 cm if the true value is 48.0 cm? (2022)

A. 2.0 cm
B. 1.0 cm
C. 3.0 cm
D. 4.0 cm

Solution

Absolute error = |Measured value - True value| = |50.0 cm - 48.0 cm| = 2.0 cm.

Correct Answer: A — 2.0 cm

Q. What is the absolute error in a measurement of 50.0 cm if the true value is 52.0 cm? (2022)

A. 2.0 cm
B. 1.0 cm
C. 0.5 cm
D. 3.0 cm

Solution

Absolute error = |Measured value - True value| = |50.0 cm - 52.0 cm| = 2.0 cm.

Correct Answer: A — 2.0 cm

Q. What is the absolute error in a measurement? (2021)

A. The difference between the measured value and the true value
B. The average of all measurements
C. The maximum value in a set of measurements
D. The minimum value in a set of measurements

Solution

Absolute error is defined as the difference between the measured value and the true value.

Correct Answer: A — The difference between the measured value and the true value

Showing 2161 to 2190 of 5514 (184 Pages)

School

College

Degree

Competitve

Skills

Soulshift Feedback ×

On a scale of 0–10, how likely are you to recommend The Soulshift Academy?

Not likely Very likely