Exam Category
Biology
Showing 1,107 questions & PYQs organized by topics.
Biology
01
How many chambers are present in the heart of a fish?
RRB PYQ MCQ
02
Which organism belongs to Pisces?
RRB PYQ MCQ
03
Animals of class _____ are warm-blooded.
RRB PYQ MCQ
04
Most reptiles have a _____.
RRB PYQ MCQ
05
What is Vivipara, as used in this question?
RRB PYQ MCQ
06
Name the only bird that can fly backwards.
RRB PYQ MCQ
07
Which of the following animals can produce ultrasonic sound?
RRB PYQ MCQ
08
Respiration occurs by gills or lungs in animals of class _____.
RRB PYQ MCQ
09
Which class of animals is warm-blooded?
RRB PYQ MCQ
10
Egg-laying organisms are known as _____.
RRB PYQ MCQ