BCA Cheat Sheet 2026

The 30 highest-yield BCA facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. What should you do when encountering a difficult question? → Mark it, move on, and return to it later
2. What does the acronym 'DNA' stand for? → Deoxyribonucleic acid
3. In a chemical reaction, if the activation energy is lowered by a catalyst, what happens to the reaction rate? → It increases
4. A student applying to BCA should be aware that admission is based primarily on which criteria? → Performance on BCA's entrance examination and prior academic record
5. Which type of memory is most directly targeted when you use flashcards to quiz yourself? → Long-term declarative memory
6. Which type of chemical bond involves the sharing of electron pairs between atoms? → Covalent bond
7. A wave traveling in a medium has a frequency of 440 Hz and a wavelength of 0.75 m. What is its wave speed? → 330 m/s
8. On the BCA exam, when you read a question and immediately know the answer, the best action is to: → Confirm your answer matches a choice before marking, to guard against misreading
9. Which statement best describes 'begging the question'? → Using the conclusion as a premise in the argument without independent support
10. A store sells apples for $0.75 each and oranges for $0.50 each. If Maya spends exactly $5.00 buying a total of 8 fruits, how many apples did she buy? → 4
11. During photosynthesis, what is the primary source of electrons used to reduce CO₂? → Water (H₂O)
12. A writer wants to shift from an informal to a formal tone. Which revision is best? → Change 'kids' to 'children'
13. If a student misses the BCA application deadline, what typically happens? → Late applications are generally not accepted
14. Read the following: 'Despite studying for hours, Jana scored poorly on her exam.' What can be inferred? → Effort alone does not always produce the desired results
15. Why is reading the question carefully important? → To avoid misinterpreting what is being asked
16. If the sum of five consecutive even integers is 110, what is the largest of the five integers? → 26
17. What is the relationship between theory and practice in Research Methods? → Theory provides the foundation; practice applies it to real situations
18. What role does ethics play in Critical Thinking practice? → It guides professional conduct and protects stakeholders
19. In algebra, if f(x) = 2x² − 3x + 1, what is f(2)? → 3
20. A bag contains 3 red, 5 blue, and 2 green marbles. What is the probability of randomly picking a blue marble? → 5/10
21. Which of the following is the strongest evidence for a causal claim? → Results from a randomized controlled experiment replicated multiple times
22. When preparing for a BCA entrance exam, which approach best exemplifies interleaved practice? → Alternating between math, science, and verbal questions within one session
23. A research finding that can be applied beyond the specific sample studied has high: → External validity
24. Which of the following is a primary source of data? → Raw survey responses collected by the researcher
25. When should you change an answer on a test? → Only when you have a clear reason the new answer is better
26. When a researcher's personal values or expectations influence the interpretation of results, this is called: → Researcher bias
27. Which of the following is the best example of inductive reasoning? → Observing that the sun has risen every day in history and concluding it will rise tomorrow
28. What is the first step in the BCA admissions process? → Attending an open house
29. Which of the following is an example of a primary source? → A diary written by a soldier during a war
30. Which sentence most effectively uses a transitional phrase to show contrast? → Despite studying diligently, she failed the test.