RRB ALP - General Science - Biology MCQs


How many arteries are present in Human Umbilical Cord?

   A.) 1
   B.) 2
   C.) 3
   D.) 4

Answer: Option 'B'



Causing agent of which of the following disease produces Integrase enzyme?

   A.) AIDS
   B.) Malaria
   C.) Small Pox
   D.) Swine flu

Answer: Option 'A'

Swine flu


The Red color of Red wine is mainly because of _____?

   A.) Ageing
   B.) Color blended
   C.) Chemicals in Wine
   D.) Pigments

Answer: Option 'D'



Which of the following tests is used for the diagnosis of ‘Colour-Blindness’ in people ?

   A.) Rorschach test
   B.) Ishihara Test
   C.) Widal Test
   D.) ELISA test

Answer: Option 'B'

Ishihara Test


From which part, Coconut coir is obtained?

   A.) Seed
   B.) Epicarp
   C.) Endocarp
   D.) Mesocarp

Answer: Option 'D'



Which of the following plants have respiratory roots?

   A.) Submerged Hydrophytes
   B.) Marshy Plants
   C.) Mangroves
   D.) Epiphytes

Answer: Option 'C'



Who among the following scientists is known for devising four criteria designed to establish a causal relationship between a causative microbe and a disease?

   A.) Robet Koch
   B.) Louis Pasteur
   C.) Emil Behring
   D.) Ivan Pavlov

Answer: Option 'A'

Robet Koch


Pest-resistant cotton commonly known as ‘Bt-Cotton’ is genetically engineered by inserting a gene from a:

   A.) Protist
   B.) Bacterium
   C.) Virus
   D.) Microalgae

Answer: Option 'B'



A person with “Bombay Blood group” can receive blood from a person who is from____?

   A.) A Group or B Group
   B.) AB Group
   C.) O Group
   D.) None of them

Answer: Option 'D'

None of them


Which among the following diseases is very rare in women compared to the men affected with the same disorder?

   A.) Down Syndrome
   B.) Nyctalopia
   C.) Color blindness
   D.) Osteoporosis

Answer: Option 'C'

Color blindness


Antipyretic medicines are used for which among the following purposes?

   A.) In Allergy
   B.) In fever
   C.) In Diarrhea
   D.) In Cough

Answer: Option 'B'

In fever


Which among the following disease has the minimum incubation period, comparing to other ones?

   A.) Mumps
   B.) Influenza
   C.) Small Pox
   D.) Measles

Answer: Option 'B'

Influenza (1-2 days) , rest are 6-15 days


The nutritional supplements Spirulina, Chorella and the Vitamin-C supplement, Dunaliella are actually :

   A.) Bryophytes
   B.) Algae
   C.) Probiotics
   D.) Lichens

Answer: Option 'B'



Which among the following conditions will give birth to Fraternal Twins?

   A.) a single egg is fertilized to form one zygote which then divides into two separate embryos
   B.) sperm cells fertilize both the ovum and the second polar body
   C.) two eggs are independently fertilized by two different sperm cells
   D.) none of the above

Answer: Option 'C'

two eggs are independently fertilized by two different sperm cells


Which among the following suspension in water is often called milk of magnesia because of its milk-like appearance?

   A.) Magnesium Oxide
   B.) Magnesium Hydroxide
   C.) Magnesium Carbonate
   D.) Magnesium Lactate

Answer: Option 'B'

Magnesium Hydroxide


The hormonal activities of which of the following substances were discovered while studying “foolish seedling” disease in rice?

   A.) Gibberellin
   B.) Cytokinins
   C.) Ethylene
   D.) Auxins

Answer: Option 'A'



What fraction of Body’s calcium is stored in Bones and teeth?

   A.) 99%
   B.) 94%
   C.) 85%
   D.) 90%

Answer: Option 'A'



Who among the following is best known for his discovery and development of the first safe and effective polio vaccine.?

   A.) Albert Sabin
   B.) Jonas Salk
   C.) David Bodian
   D.) Almroth Wright

Answer: Option 'B'

Jonas Salk


Anesthesia which allows patients to undergo surgery without the distress and pain they would otherwise experience, has been practiced by man since ancient times. Which among the following plant is the most ancient source of anesthesia preparations?

   A.) Coca
   B.) Datura
   C.) Cannabis
   D.) Opium (poppy)

Answer: Option 'D'

Opium (poppy)


A particular cell organelle is sometimes referred certain enzymes that can break down the cell components or even the whole cell. which one of the following is such an organelle?

   A.) Ribosome
   B.) Mesosome
   C.) Lysosome
   D.) Phagosome

Answer: Option 'C'


General Science - Biology MCQs Download Pdf