SSC Stenographer Biology Questions with Answers & Explanations

The functional unit of the kidney is the

1. ANephron
2. BNeuron
3. CVillus
4. DAlveolus

The first vaccine (smallpox) was developed by

1. AAlexander Fleming
2. BJonas Salk
3. CEdward Jenner
4. DLouis Pasteur

Insulin is produced by the

1. AThyroid
2. BPancreas
3. CKidney
4. DLiver

The largest gland in the human body is the

1. APancreas
2. BPituitary
3. CThyroid
4. DLiver

Malaria is caused by

1. APlasmodium
2. BA bacterium
3. CA virus
4. DA fungus

The universal blood donor group is

1. AA positive
2. BO negative
3. CAB positive
4. DB negative

The largest organ of the human body is the

1. ALiver
2. BHeart
3. CLungs
4. DSkin

The normal human body temperature is about

1. A37 °C
2. B40 °C
3. C35 °C
4. D39 °C

Which blood cells help in clotting?

1. AWhite blood cells
2. BPlasma cells
3. CRed blood cells
4. DPlatelets

Photosynthesis takes place in the

1. AVacuole
2. BChloroplast
3. CNucleus
4. DMitochondria

The basic unit of life is the

1. AOrgan
2. BAtom
3. CTissue
4. DCell

Deficiency of Vitamin A causes

1. AScurvy
2. BNight blindness
3. CAnaemia
4. DRickets

Deficiency of iron causes

1. AGoitre
2. BBeriberi
3. CNight blindness
4. DAnaemia

Tuberculosis is caused by a

1. AFungus
2. BBacterium
3. CProtozoan
4. DVirus

How many bones are there in an adult human body?

1. A206
2. B196
3. C208
4. D212

The functional unit of the nervous system is the

1. AAxon only
2. BSynapse only
3. CNephron
4. DNeuron

The longest bone in the human body is the

1. AHumerus
2. BFemur
3. CTibia
4. DFibula

How many chambers does the human heart have?

1. ATwo
2. BThree
3. CFour
4. DFive

The smallest bone in the human body is the

1. AFemur
2. BStapes
3. CRadius
4. DIncus

Deficiency of Vitamin D causes

1. ARickets
2. BScurvy
3. CPellagra
4. DBeriberi