NDA & NA Biology Questions with Answers & Explanations

The universal blood recipient group is

1. AA negative
2. BB positive
3. CO negative
4. DAB positive

Which is called the "powerhouse of the cell"?

1. ARibosome
2. BGolgi body
3. CNucleus
4. DMitochondria

The basic unit of life is the

1. AOrgan
2. BCell
3. CTissue
4. DAtom

Dengue is transmitted by the

1. ASandfly
2. BCulex mosquito
3. CAedes mosquito
4. DAnopheles mosquito

Deficiency of Vitamin C causes

1. ABeriberi
2. BRickets
3. CNight blindness
4. DScurvy

Deficiency of iron causes

1. AGoitre
2. BAnaemia
3. CBeriberi
4. DNight blindness

Deficiency of Vitamin A causes

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

The first vaccine (smallpox) was developed by

1. AEdward Jenner
2. BLouis Pasteur
3. CJonas Salk
4. DAlexander Fleming

The largest gland in the human body is the

1. ALiver
2. BThyroid
3. CPancreas
4. DPituitary

Deficiency of Vitamin D causes

1. AScurvy
2. BBeriberi
3. CPellagra
4. DRickets

Deficiency of iodine causes

1. AAnaemia
2. BGoitre
3. CScurvy
4. DRickets

The largest organ of the human body is the

1. AHeart
2. BLiver
3. CSkin
4. DLungs

The normal human body temperature is about

1. A37 °C
2. B35 °C
3. C39 °C
4. D40 °C

The longest bone in the human body is the

1. AHumerus
2. BFibula
3. CFemur
4. DTibia

The universal blood recipient group is

1. AO negative
2. BAB positive
3. CB positive
4. DA negative

Tuberculosis is caused by a

1. ABacterium
2. BFungus
3. CVirus
4. DProtozoan

Insulin is produced by the

1. AThyroid
2. BLiver
3. CPancreas
4. DKidney

How many bones are there in an adult human body?

1. A196
2. B212
3. C206
4. D208

Malaria is spread by the female

1. AAnopheles mosquito
2. BHousefly
3. CAedes mosquito
4. DCulex mosquito

The smallest bone in the human body is the

1. AFemur
2. BRadius
3. CIncus
4. DStapes