Practice Animal Kingdom RRB PYQ questions from Railway examinations, including RRB NTPC PYQ, RRB Group D PYQ, RRB JE PYQ, RRB ALP PYQ and RRB Technician PYQ. This topic-wise Biology question set covers important concepts related to the classification of animals, major animal groups, their characteristics and important examples.
Each question includes the correct answer and a clear explanation, helping you understand the concept behind the answer rather than simply memorising it. The collection includes questions related to important animal groups, their characteristics, classification and distinguishing features.
Whether you are preparing for RRB NTPC Animal Kingdom PYQ, RRB Group D Animal Kingdom PYQ, RRB JE Animal Kingdom PYQ, RRB ALP Animal Kingdom PYQ, or RRB Technician Animal Kingdom PYQ, practice these previous year questions regularly to strengthen your Biology preparation.
Start practicing Animal Kingdom RRB PYQs with answers and explanations and strengthen your Railway Biology preparation.
81
Cutaneous respiration occurs in _____.
RRB JE
26/05/2019 / Shift-I
2019
✓ Answer:CEarthworm
Cutaneous respiration is gas exchange through the skin, as in earthworms.
82
How many pairs of eyes do spiders have?
RRB NTPC (Stage-I)
16/04/2016 / Shift-II
2016
✓ Answer:C4
Most spiders have eight eyes, arranged in four pairs. The number varies among species.
Echinodermata includes exclusively marine animals such as starfish and sea cucumbers.
84
Which of the following is also known as the tree frog?
RRB NTPC (Stage-I)
21/03/2021 / Shift-II
2021
✓ Answer:DHyla
Hyla is a genus of tree frogs.
85
Which of these insects has teeth?
RRB JE
26/05/2019 / Shift-III
2019
✓ Answer:DWasp and bumblebee
The source key selects wasp and bumblebee, referring to tooth-like projections on their mandibles. Insects do not possess vertebrate teeth, and the options are not biologically exclusive.
86
A water vascular system is found in _____.
RRB Group-D
03/12/2018 / Shift-III
2018
✓ Answer:ASea cucumber
Sea cucumbers are echinoderms. A water vascular system is characteristic of Echinodermata.
87
Rana tigrina is the scientific name of which animal?
RRB NTPC (Stage-I)
27/01/2021 / Shift-II
2021
✓ Answer:BAsian frog
Rana tigrina is the older scientific name used for the Indian bullfrog, now known as Hoplobatrachus tigerinus.
88
Insects have a network of air tubes for gas exchange. These are called _____.
RRB Group-D
06/10/2022 / Shift-II
2022
✓ Answer:ATracheae
Tracheae are the branching air tubes of insects. Spiracles are the external openings into this system.
89
Which animal can change its sex, illustrating that sex is not genetically predetermined in the example given?
Some snails can change functional sex during their lifetime. The question uses snails as an example of sex not being permanently fixed at fertilization.
90
Starfish belongs to phylum _____.
RRB Group-D
11/10/2018 / Shift-II
2018
✓ Answer:AEchinodermata
Starfish are echinoderms with a water vascular system and adult radial symmetry.
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