RRB ALP - General Science - Biology MCQs

1.

Which among the following is essential gene material ?

   A.) RNA
   B.) DNA
   C.) Protein
   D.) Fat

Answer: Option 'B'

DNA

2.

Plants growing on marshy areas are commonly called as _____?

   A.) Psilophytes
   B.) Helophytes
   C.) Lithophytes
   D.) Oxylophytes

Answer: Option 'C'

Lithophytes

3.

What is RuBisCO?

   A.) A Sugar
   B.) An Enzyme
   C.) A Fat
   D.) A Carbohydrate

Answer: Option 'B'

Ribulose-1,5-bisphosphate carboxylase oxygenase first enzyme of Calvin Cycle of Carbon Fixation

4.

The term “Gypsophils” is associated with the people who have liking for which among the following?

   A.) Falcons
   B.) Vultures
   C.) Eagles
   D.) Hawks

Answer: Option 'B'

Vultures

5.

Which among the following is a correct definition of Saprophytes?

   A.) A plant that is unable to synthesize a particular organic compound
   B.) A parasitic plant that can complete its life cycle independent of a host
   C.) A heterotrophic plant that feeds upon other living plants
   D.) A heterotrophic plant that feeds upon dead organic matter

Answer: Option 'C'

A heterotrophic plant that feeds upon other living plants

6.

Who among the following proved that Bacteria don’t originate by spontaneous generation?

   A.) Shleiden
   B.) Pasteur
   C.) Redi
   D.) Hooke

Answer: Option 'B'

Pasteur

7.

For Lemurs, which among the following is a correct group to place in?

   A.) Sloths
   B.) Primates
   C.) Rodents
   D.) Bats

Answer: Option 'B'

Primates

8.

Which of the following organ in human body produces albumin, one of the major components of blood serum?

   A.) Spleen
   B.) Bone Marrow
   C.) Pancreas
   D.) Liver

Answer: Option 'D'

Liver

9.

Which of the following artificial sweeteners is not broken down by the body and therefore it is non-caloric (no-calorie sweetener) :

   A.) Cyclamate
   B.) Sucralose
   C.) Aspartame
   D.) Saccharin

Answer: Option 'B'

Sucralose

10.

In which of the following branches of science study of functions, characteristics, and phenomena observed in the living world and the application of this knowledge to world of machine is studied?

   A.) Bionomy
   B.) Biometry
   C.) Bionics
   D.) Bionomy

Answer: Option 'C'

Bionics

11.

Which among the following is true attribute to Polar bear?

   A.) Marsupial
   B.) Carnivore
   C.) Herbivore
   D.) Omnivore

Answer: Option 'B'

Carnivore

12.

Lipoproteins which are the large molecules and which transport the cholesterol in the bloodstream are ______-?

   A.) Lipids
   B.) protein molecules
   C.) fat molecules
   D.) protein and fat molecules

Answer: Option 'D'

protein and fat molecules

13.

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

14.

Which among the following is correct about Viruses?

   A.) They have either DNA or RNA
   B.) They have DNA only
   C.) They have RNA only
   D.) They have both DNA & RNA

Answer: Option 'A'

They have either DNA or RNA

15.

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

General Science - Biology MCQs Download Pdf