Other Biology Answers

10 The fore limbs of ------ are modified to form wing axes
amphibians
aves
pisces
some mammals

11 The hind limbs of -------- have clawed digits modified for walking, perching , hopping, running or swimming
reptiles
mammals
aves
pisces

12 The head is small and rounded, whole body is oval and sreamlined. These description best describe
a tadpole
a frog
a lizard
a bird

7 Which of these animals have the power to break off their tail automatically?
frogs
toads
geckos
salamanders

8 Aves are --------- blooded animals
warm
cold
hot
normal

9 Which of these have scales on the lower part of the legs and on the feet?
lizards
frogs
kangaroos
fowls

4 All of these are reptiles except
salamanders
crocodiles
snakes
turtles

5 Which of these denote the meaning of reptile?
crawl
fly
swim
walk

6 The reptiles have become independent of water due to the development of
gills
fins
lateral lines
embryonic membrane

1 Which of these is not a characteristic of the amphibians?
they have inner and middle ears
fertilization is external
they have 3 chambered heart
they are warm blooded animals

2 Which of the following may not be correct about the amphibians?
none of the options
tadpoles have streamline body
have webbed feet
their tongue aids feeding

3 The first group of vertebrates to have become fully adapted to life on land are the
reptiles
amphibians
pisces
mammals

19 Which of these may not be an adaptive feature of the arthropods?
possession of exoskeleton
webbed feet
jointed limbs
pecialised digestive system

20 The phylum echinodermata include all of the following except
sea crab
sea urchins
sea-lilies
star fish

16 The only invertebrate that can fly is
Bats
Squirrel
Vulture
Insects

17 The body of an insect is divided into the head, thorax and
metathorax
cephalopoda
mesothorax
abdomen

18 Insects carries out gaseous exchange by means of
thorax
metathorax
abdomen
spiracles

13 All of these animals belong to the class arachnida except
scorpions
ticks
mites
lobsters

14 Cockroach belong to a class of animal called
arachnida
myriapoda
insecta
crustaceans

15 About ----------- percentage of all known species of animals are insect
20
30
40
70

10 Which of these is not a class of vertebrates?
Pisces
Protozoa
Amphibia
Aves

11 The largest group in animal kingdom is the phylum
protozoa
aschelminthes
A Hyperlink
mollusca

12 All these are arthropods except
cephalopoda
crustacean
insecta
arachnida

7 Which of these is not true of the chordates?
have tightly packed cells
have tubular nerve chords
they have no notochord
have gill slit at some stages

8 A vertbral column replaces the ------------ in vertebrates
notochord
gill slits
tubular nerve chords
flexible rod of tightly packed cells

9 Which of the following is not true of the vertebrates?
possession of endoskeleton
have a well developed sense organs
have backbones
bodies are not bilaterally symmetrical

4 Brittle Star is an example of the class
opliuroidea,
echinoidea
crinoides
holothuroidea

5 Which of these is not true of star fish?
They are star shaped
Pedicellaria are present
Water vascular system is not used for gathering food
Possession of specialised jaw-like appendages

6 Vertebrata is a subphylum of the phylum
arthropoda
reptilia
amphibia
chordata