(2025) | 500 Verified Questions with
Accurate Solutions | Latest Updated
Version
**Q1: What is the primary function of red blood cells?**
- **A)** Fighting infection
- **B)** Carrying oxygen
- **C)** Clotting blood
- **D)** Producing antibodies
**Answer: B) Carrying oxygen**
**Explanation:** Red blood cells (erythrocytes) contain hemoglobin, an
iron-rich protein that binds to oxygen in the lungs and transports it to
tissues throughout the body. White blood cells fight infection, platelets aid
in clotting, and plasma cells produce antibodies.
---
**Q2: In the human heart, which chamber pumps blood to the lungs?**
- **A)** Left atrium
- **B)** Left ventricle
,- **C)** Right atrium
- **D)** Right ventricle
**Answer: D) Right ventricle**
**Explanation:** The right ventricle receives deoxygenated blood from
the right atrium and pumps it to the lungs via the pulmonary artery for
oxygenation. The left ventricle pumps oxygenated blood to the rest of the
body.
---
#### **Mathematics & Logic**
**Q3: If a recipe calls for 2 cups of flour for 12 cookies, how many cups
are needed for 30 cookies?**
- **A)** 4 cups
- **B)** 5 cups
- **C)** 6 cups
- **D)** 7 cups
**Answer: B) 5 cups**
,**Explanation:** This is a proportion problem. The ratio is 2 cups / 12
cookies = x cups / 30 cookies. Cross-multiplying gives 12x = 60, so x = 5
cups.
---
**Q4: Identify the logical fallacy: "Everyone is buying the new
smartphone, so it must be the best."**
- **A)** Ad Hominem
- **B)** False Dilemma
- **C)** Bandwagon Appeal
- **D)** Straw Man
**Answer: C) Bandwagon Appeal**
**Explanation:** The bandwagon fallacy argues that something is true or
correct simply because many people believe it or do it. Popularity does
not equate to quality or truth.
---
#### **Grammar & Writing**
, **Q5: Which sentence is grammatically correct?**
- **A)** The team are playing well.
- **B)** Neither the teacher nor the students is ready.
- **C)** Each of the members has a vote.
- **D)** The data shows a clear trend.
**Answer: C) Each of the members has a vote.**
**Explanation:** "Each" is singular and takes a singular verb ("has"). In
American English, "team" is typically singular ("is"), "neither/nor" follows
the noun closest to the verb (students are ready), and "data" is technically
plural but often treated as singular in informal use.
---
**Q6: What is the best way to combine these sentences?**
*Sentence 1: The experiment failed.*
*Sentence 2: The equipment was faulty.*
- **A)** The experiment failed, the equipment was faulty.
- **B)** The experiment failed because the equipment was faulty.
- **C)** The experiment failed; because the equipment was faulty.
- **D)** The experiment failed although the equipment was faulty.