Choose the mismatched pair: {Question submitted by Adhithyan js}
20%
a) Salpa and Doliolum – Urochordata
28%
b) Branchiostoma – Cephalochordata
36%
c) Chondrichthys – Fighting fish.
16%
d) Petromyzon – Cyclostomata
Q.2.
Match the following: {Question submitted by Adhithyan js}
Column I
Column II
a. Limbless reptiles
Elephant
b. Jawless vertebrates.
Lamprey
c. Flightless birds.
Ichthyophis
d. Largest terrestrial animal
Ostrich
e. Blind worm
Bangarus
33%
a) a - 2 , b-5 , c -4 , d-1 ,e -3
48%
b) a - 5 , b-2 , c - 4 , d- 1 ,e - 3
19%
c) a - 5 , b-2 , c - 1 , d- 4 ,e - 3
0%
d) a - 5 , b-4 , c -2 , d-1 ,e -3
Q.3.
Some anadromous migratory organisms enter into river for breeding. Examples for this are: {Question submitted by Adhithyan js}
12%
a) Lampreys and Clarius.
42%
b) Lampreys and Petromyzon
35%
c) Betta and Pterophyllum
10%
d) Labeo and Hippocampus
Q.4.
Which of the following statements is true/false about the occurrence of notochord. (i) In amphioxus, notochord is persistent throughout their life. (ii) In Branchiostoma, notochord is present only in the larval tail. (iii) Vertebrates possess notochord during the embryonic period. (iv) In Ascidia and Salpa notochord extends from head to tail region. {Question submitted by Adhithyan js}
21%
a) (i) and (ii) are true but (iii) and (iv) are false.
40%
b) (ii) and (iii) are true but (i) and (iv) are false
26%
c) (i) and (iii) are true but (ii) and (iv) are false
12%
d) only (iii) is true and (i), (ii) and (iv) are false.
Q.5.
Select the false statement about Cyclostomata. {Question submitted by Adhithyan js}
8%
a) They are parasites on some fishes
32%
b) They possess an elongated eel like body bearing 6-15 pairs of gill slits
38%
c) They possess a sucking and circular mouth
22%
d) Their cranium and vertebral column are bony with a persistent notochord
Q.6.
Identify the class from the characters given below: (i) A tympanum represents the ear. (ii) Heart is three chambered. (iii) These are cold blooded animals. (iv) They are oviparous. (v) Development is indirect. {Question submitted by Adhithyan js}
21%
a) Chondrichthys
30%
b) Osteichthys
27%
c) Amphibia
21%
d) Reptilia
Q.7.
Identify the flightless birds from the following: (i) Neophron (ii) Aptenodytes (iii) Psittacula (iv) Apteryx (v) Struthio. {Question submitted by Adhithyan js}
7%
a) (i), (ii), (iv) and (v)
37%
b) (ii), (iv) and (v)
47%
c) (iii), (iv) and (v)
10%
d) (iv) and (v)
Q.8.
Identify the organism from the following hints: (i) Freshwater inhabitant with streamlined body. (ii) Two chambered heart. (iii) Air bladder is present to regulate buoyancy. (iv) Four pairs of gills with operculum. {Question submitted by Adhithyan js}
20%
a) Pristis
33%
b) Trygon
33%
c) Catla
13%
d) Myxine
Q.9.
Find out the correct match: {Question submitted by Adhithyan js}
19%
a) Maccaca – Kangaroo
35%
b) Canis – Dog
26%
c) Eqqus – Flying fox
19%
d) Panthera leo – tiger
Q.10.
Find out the wrong statement about phylum Chordata. {Question submitted by Adhithyan js}
23%
a) Animals belonging to phylum chordata are fundamentally characterised by the presence of a notochord, a ventral rigid nerve cord and single pharyngeal gill slits.
45%
b) Chordates are bilaterally symmetrical, Triploblastic coelomates with organ system level of organisation
26%
c) They possess a post anal tail and closed circulatory system
6%
d) In Urochordata, notochord is present only in larval tail
Q.11.
The right ovary, right oviduct and urinary bladder are absent in birds because: {Question submitted by Adhithyan js}
23%
a) Only one ovary is necessary for reproduction
42%
b) Ammonic wastes are converted as uric acid and cannot be stored in urinary bladder
23%
c) It reduces body weight
12%
d) To prevent migration
Q.12.
Retention of larval characters even after sexual maturity is called Neoteny. Which larvae exhibit this phenomenon? {Question submitted by Adhithyan js}
33%
a) Tadpole
38%
b) Ammocoetes
14%
c) Axolotl
14%
d) Planula
Q.13.
The position of mouth in bony fishes is mostly: {Question submitted by Adhithyan js}
14%
a) Dorsal
29%
b) Ventral
43%
c) Terminal
14%
d) Lateral
Q.14.
Which of the following is not true about Chondrichthys? {Question submitted by Adhithyan js}
18%
a) Mouth is located ventrally
18%
b) Notochord is persistent throughout life
36%
c) Teeth are modified placoid scales
27%
d) Air bladder is present
Q.15.
Which of the following group of animals represents poikilotherms? {Question submitted by Adhithyan js}
14%
a) Pristis, Pterophyllum, Psittacula
19%
b) Aptenodytes, Alligator, Ichthyophis
43%
c) Salamandra, Catla, Bangarus
24%
d) Balaenoptera, Macropus, Chameleon
Q.16.
Select the correct statement: {Question submitted by Adhithyan js}
14%
a) Protochordates are also known as tunicates
18%
b) Protochordates have no coelom
41%
c) All protochordates are marine
27%
d) All protochordates have notochord extending from head to tail
Support mcqgeeks.com by disabling your adblocker.
Please disable the adBlock and continue. Thank you.