Home / Exams / CDS / CDS_II_2014 / Question
CDS · 2014 Science & Technology › Biology & Health
Which of the statements given below are correct? 1. A person having blood group 'A' can donate blood to persons having blood group 'A' and blood group 'AB'. 2. A person having blood group 'AB' can donate blood to persons having blood group 'A', 'B', 'AB' or 'O'. 3. A person with blood group 'O' can donate blood to persons having any blood group. 4. A person with blood group 'O' can receive blood from the person of any of the blood groups.
🔎 The pattern behind this question
This is the same idea UPSC keeps returning to. Start a free trial to see the answer and the full map.
Across examsCSE 4 · CDS 1
Evolution“Blood groups” tested across 5 years (1981–2014)
Related ideasHeredityGenetics

Study how UPSC repeats — not just the papers

₹199 / 1 year · Founding Member

Full access unlocks the three things no PYQ PDF gives you:
① Cross-exam learning — see the same idea recur across CSE, CAPF, CDS and NDA.
② Topic evolution — how each idea is framed, year by year.
③ Question intelligence — every PYQ + answer, linked to related concepts and similar questions.

e.g. Round Table Conference: CDS 2017 → CSE 2017 → … → CAPF 2024

15 days free, no card required — then ₹199 for 1 year.

Start your 15-day free trial →
💬 Feedback

Send feedback