- Which of the following belong to the same order?
(a) Gorilla, Chimpanzee, Lemur and Monkey
(b) Rabbit, Pangolin, Porpoise and Dolphin
(c) Rabbit, Hare, Pangolin and Porpoise
(d) Rat, Mouse, Rabbit and Squirrel - Select the correct set of animals of class-Mammalia.
(a) Lion, hippopotamus, penguin, bat
(b) Lion, bat, whale, ostrich
(c) Hippopotamus, penguin, whale, kangaroo
(d) Whale, bat, kangaroo, hippopotamus - Which of the following is not a feature of Prototheria?
(a) Presence of abdominal testes.
(b) Absence of marsupial pouch.
(c) Presence of corpus callosum.
(d) Absence of scrotum. - Ancestors of mammals belong to
(a) Therapsida (b) Silusoidea
(c) Ornithischia (d) Chelonidae. - Which of the following is the largest order of class
Mammalia?
(a) Logomorpha (b) Rodentia
(c) Cetacea (d) Sirenia - Which of the following is an exclusive character of class
Mammalia?
(a) Presence of a 4-chambered heart
(b) Homoiothermy
(c) Presence of a muscular diaphragm
(d) Internal fertilisation - In mammals hindlimbs are absent in
(a) cetaceans (b) rodents
(c) marsupials (d) chiropterans. - Which of the following is common among mammals?
(a) They do not moult.
(b) They have seven cervical vertebrae.
(c) They are carnivores.
(d) They have ventral nerve cord.
9. Largest living land animals are included in the order
(a) Perissodactyla (b) Artiodactyla
(c) Proboscidea (d) Hyracoidea.
10. Number of ear ossicles present in middle ear in mammals is
(a) 2 (b) 1 (c) 4 (d) 3.
11. Optic lobes in mammals are divided into four lobes known as
(a) corpus callosum (b) corpora quadrigemina
(c) organ of Corti (d) none of these.
12. Teats are absent in
(a) Tachyglossus (b) Ornithorhynchus
(c) Didelphis (d) both (a) and (b).
13. “The Principles of classification and a classification of
mammals” was published by
(a) Hutchinson (b) R.H. Whittaker
(c) G.G. Simpson (d) Haeckel.
14. Which of the following monkeys has prehensile tail?
(a) Spider monkey (b) Loris
(c) Rhesus monkey (d) Tarsier
15. Ambergris, used as a base in perfumes, is obtained from
(a) reindeers (b) otter
(c) sperm whales (d) raccoon.
16. Which of the following mammals have oval and nucleated
RBCs?
(a) Giraffa and Canis (b) Phoca and Elephas
(c) Camelus and Lama (d) Acinonyx and Sus
17. Bradypus have
(a) 6 cervical vertebrae (b) 9 cervical vertebrae
(c) 8 cervical vertebrae (d) 7 cervical vertebrae.
18. The number of cervical vertebrae present in elongated neck
of giraffe is
(a) 14 (b) 7 (c) 8 (d) 9.
ANSWER KEY
- (a) 2. (d) 3. (c) 4. (a) 5. (b)
- (c) 7. (a) 8. (b) 9. (c) 10. (d)
- (b) 12. (d) 13. (c) 14. (a) 15. (c)
- (c) 17. (b) 18. (b)
- Discuss various differences between metatheria and eutheria.
- Discuss characters of order having largest land animals.
- Mammals have played an important role in development of civilisation. Discuss.