RPSC RAS Biology Questions with Answers & Explanations

Which is called the "powerhouse of the cell"?

1. AGolgi body
2. BMitochondria
3. CNucleus
4. DRibosome

How many chambers does the human heart have?

1. AFour
2. BFive
3. CThree
4. DTwo

Which part of the plant carries food from leaves to other parts?

1. AStomata
2. BRoot hair
3. CPhloem
4. DXylem

The largest gland in the human body is the

1. AThyroid
2. BPituitary
3. CPancreas
4. DLiver

Which part of the plant carries water from roots to leaves?

1. ACambium
2. BXylem
3. CPhloem
4. DStomata

Deficiency of Vitamin D causes

1. AScurvy
2. BRickets
3. CPellagra
4. DBeriberi

Haemoglobin is found in

1. AWhite blood cells
2. BPlasma only
3. CPlatelets
4. DRed blood cells

DNA stands for

1. ADinucleic acid
2. BDiribonucleic acid
3. CDeoxyribonucleic acid
4. DDeoxyribose nitric acid

The smallest bone in the human body is the

1. ARadius
2. BIncus
3. CFemur
4. DStapes

Which gas do plants absorb during photosynthesis?

1. AHydrogen
2. BCarbon dioxide
3. COxygen
4. DNitrogen

The functional unit of the kidney is the

1. ANeuron
2. BAlveolus
3. CVillus
4. DNephron

Penicillin was discovered by

1. ALouis Pasteur
2. BRobert Koch
3. CAlexander Fleming
4. DEdward Jenner

The basic unit of life is the

1. AAtom
2. BOrgan
3. CCell
4. DTissue

How many bones are there in an adult human body?

1. A196
2. B212
3. C208
4. D206

Tuberculosis is caused by a

1. ABacterium
2. BProtozoan
3. CFungus
4. DVirus

Which is called the "powerhouse of the cell"?

1. ANucleus
2. BGolgi body
3. CRibosome
4. DMitochondria

The normal human body temperature is about

1. A40 °C
2. B39 °C
3. C37 °C
4. D35 °C

The study of plants is called

1. AZoology
2. BBotany
3. CMycology
4. DEcology

The largest organ of the human body is the

1. ALungs
2. BHeart
3. CSkin
4. DLiver

Which part of the plant carries food from leaves to other parts?

1. APhloem
2. BRoot hair
3. CXylem
4. DStomata