UPSC Biology Questions: Practice Quiz and Flashcards

6 Questions

What is the primary function of Leukocytes in the human body?

To protect against infectious diseases and foreign invaders

Which of the following organelles is responsible for protein synthesis?

Ribosomes

What is the purpose of the Civil Services Examination conducted by the Union Public Service Commission (UPSC)?

To recruit candidates for government jobs

What is the blood group of the adopted son in the given scenario?

B positive

What is characteristic of animal cells that is not present in plant cells?

Cell walls

Which of the following is NOT a stage of the Civil Services Examination?

Preliminary Mains

Study Notes

UPSC Science Previous Year Questions: Focusing on Biology Subtopics

The Union Public Service Commission (UPSC) conducts the Civil Services Examination every year. The exam comprises three stages: Prelims, Mains, and Interview. The Prelims stage is conducted as a multiple-choice question paper covering various topics, including General Science and Technology. In the context of biology, aspirants can find previous year questions useful for their preparation. Here are some examples of biology-related questions from the last few years:

Upsc Prelims General Science - Biology Mock Test-1 [GKToday]
- Question: Which of the following is not present in animal cells?
  - A. Cell walls
  - B. Mitochondria
  - C. Ribosomes
  - D. Cytoplasm
- Solution: A. Cell walls
Topic-Wise UPSC Prelims Questions & Answers PDF (2013-2023) - BYJU'S
- Question: Which of the following protects the body against infectious disease and foreign invaders?
  - A. Leukocytes
  - B. Red blood cells
  - C. Endoplasmic reticulum (ER)
  - D. Golgi apparatus
- Solution: A. Leukocytes
Upsc Biology Question Bank.pdf - Sainik School Amaravathinagar
- Question: A married couple adopted a male child. A few years later, twin boys were born to them. The blood group of the couple is AB positive and O negative. The blood group of the three sons is A positive, B positive, and O positive. The blood group of the adopted son is:
  - A. O positive
  - B. A positive
  - C. B positive
  - D. Cannot be determined on the basis of the given data
- Solution: B. A positive

These questions cover various aspects of biology, such as cell structure, immune system, and blood groups. Aspirants can use these questions to understand the types of questions that might be asked in the Prelims exam and to assess their preparation. It is essential to revise these topics and practice answering multiple-choice questions to improve their chances of scoring well in the exam.