問題一覧
1
Frocks belong to class
amphibia
2
Frogs are poikilothermes
true true
3
Frogs have camouflage property
t
4
Summer sleep of frog is called as
aestivation
5
Winter sleep of frog is called as
hibernation
6
Frog skin is smooth and slippery due to presence of
mucus
7
The frog never drink water but absorb it through the skin
t
8
Eyes of frog are bulged and are not covered by nictating membrane that protect them from while in water
false
9
Frogs limbs are used in
all of the following
10
Frogs hind limbs end in 4 digits and they are larger and muscular than fore limbs that end in 5 digits
f
11
Male frogs can be distinguished by the help of vocal sacs
t
12
copulatory pad on the first digit of the fore limbs which are present in female frogs
t
13
Alimentary canal of frogs are ____because frogs are carnivores and hence the length of intestine is reduced
short
14
Oesophagus of frog finally opens in
cloaca
15
Food is captured by bilobed tongue
t
16
Partially digested food of frog is called as
chyme
17
Partially digested food of frog is called as chyme passed from stomach to first part of small intestine known as
duodenum
18
Cutaneous respiration performed by
skin
19
Pulmonary respiration performed by
lungs
20
During aestivation and hibernation gaseous exchange takes place through
skin
21
The vascular system of frog is poorly developed closed type
f
22
Heart is a muscular structure situated in the lower part of the body cavity
f
23
Chambers of heart of frog are covered by membrane called
pericardium
24
A triangular structure called_____ joins the right atrium
sinus venosus
25
Which chamber of heart of frog receive blood through the major veins called Venacava
sinus venosus
26
The ventricle opens into sac like _____on the ventral side of the heart
conus arteriosus
27
The ventricle opens into sac like conus arteriosus on the dorsal/ventral side of the heart
ventral
28
When on land it takes the colour of the land when on grass is takes the colour of the grasses this properties called
camouflage
29
Copying organism actions for the purpose of self defence is called as
mimicry
30
Sab phylum of frog is
vertebrata
31
Super class of frog is
Tetrapoda
32
Dorsal colour of frog is
olive green
33
Ventral colour of frog is
pale yellow
34
Skin of frog is most smooth and slippery due to the presence of
mucus
35
To protect eyes of rocks they have a covering over it known as
nictitating membrane
36
Below the mouth a pair of nostrils is present
f
37
Female frog has more size than the male frogs
t
38
A: length of intestine of frogs is reduced R: frogs are carnivores
1
39
Food is captured by bilobed tongue
t
40
Partially digested food chyme is passed from oesophagus to stomach
f
41
The duodenum receives the bile from gallbladder and pancreatic juice from the pancreas through a
common bile duct
42
In frogs pancreatic juices digests both carbohydrates and proteins
t
43
In frogs final digestion takes place in the intestine
t
44
Frogs have moist skin to perform_____respiration
cutaneous