The universal blood donor group is
- AAB positive
- BB negative
- CO negative
- DA positive
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Answer: (C) O negative
SSC CGL Biology Questions with Answers & Explanations
18 Biology questions from the General Awareness section of SSC CGL, each with the correct answer and a worked explanation. Try each question first, then tap Show answer to check. When you're ready, take the timed chapter-wise test to see your all-India rank.
DNA stands for
- ADeoxyribonucleic acid
- BDeoxyribose nitric acid
- CDiribonucleic acid
- DDinucleic acid
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Answer: (A) Deoxyribonucleic acid
How many chambers does the human heart have?
- AFour
- BThree
- CFive
- DTwo
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Answer: (A) Four
Dengue is transmitted by the
- ACulex mosquito
- BSandfly
- CAnopheles mosquito
- DAedes mosquito
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Answer: (D) Aedes mosquito
Which blood cells fight infection?
- AWhite blood cells
- BRed blood cells
- CPlasma proteins
- DPlatelets
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Answer: (A) White blood cells
The basic unit of life is the
- ACell
- BOrgan
- CTissue
- DAtom
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Answer: (A) Cell
Tuberculosis is caused by a
- ABacterium
- BFungus
- CProtozoan
- DVirus
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Answer: (A) Bacterium
Which part of the plant carries food from leaves to other parts?
- ARoot hair
- BStomata
- CXylem
- DPhloem
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Answer: (D) Phloem
DNA stands for
- ADinucleic acid
- BDeoxyribonucleic acid
- CDeoxyribose nitric acid
- DDiribonucleic acid
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Answer: (B) Deoxyribonucleic acid
Insulin is produced by the
- AThyroid
- BLiver
- CPancreas
- DKidney
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Answer: (C) Pancreas
Ready for the real thing?
Timed General Awareness test · 25 questions · instant rank
The largest gland in the human body is the
- APituitary
- BThyroid
- CPancreas
- DLiver
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Answer: (D) Liver
Which blood cells help in clotting?
- ARed blood cells
- BPlasma cells
- CWhite blood cells
- DPlatelets
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Answer: (D) Platelets
Which gas do plants absorb during photosynthesis?
- ACarbon dioxide
- BHydrogen
- CNitrogen
- DOxygen
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Answer: (A) Carbon dioxide
Haemoglobin is found in
- ARed blood cells
- BWhite blood cells
- CPlasma only
- DPlatelets
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Answer: (A) Red blood cells
Photosynthesis takes place in the
- AMitochondria
- BVacuole
- CNucleus
- DChloroplast
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Answer: (D) Chloroplast
The longest bone in the human body is the
- AHumerus
- BTibia
- CFibula
- DFemur
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Answer: (D) Femur
Deficiency of Vitamin D causes
- AScurvy
- BBeriberi
- CRickets
- DPellagra
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Answer: (C) Rickets
Deficiency of iron causes
- ANight blindness
- BAnaemia
- CBeriberi
- DGoitre
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Answer: (B) Anaemia
These are RankerClub practice questions written in the SSC CGL pattern. They are not official SSC/IBPS/RRB papers.
