Curated PYQ Collection
Biology
Showing 1,106 questions & PYQs organized by topics.
Biology
01
The members of phylum _____ are exclusively free-living marine animals.
RRB PYQ MCQ
02
_____ is probably the largest group of animals.
RRB PYQ MCQ
03
Select the organism having a three-chambered heart.
RRB PYQ MCQ
04
In which organism is sex not genetically predetermined in the example given?
RRB PYQ MCQ
05
Phylum _____ contains exclusively free-living marine organisms.
RRB PYQ MCQ
06
Which of the following is the largest animal phylum?
RRB PYQ MCQ
07
Which organism has a three-chambered heart?
RRB PYQ MCQ
08
Which organism does not have a genetically predetermined sex in the example…
RRB PYQ MCQ
09
A water vascular system is found in _____.
RRB PYQ MCQ
10
Which of the following has the maximum number of legs?
RRB PYQ MCQ