UPSC PRELIMS 2009 BASED ZOOLOGY OBJECTIVE TEST MCQ FULLY SOLVED

UPSC PRELIMS 2009 BASED ZOOLOGY OBJECTIVE TEST MCQ FULLY SOLVED Pert 4
Continued from Zoology MCQ Quiz Part 3
1. Which one of the following types of skull is found in
Columba?
(a) Dromeognathous
(b) Desmognathous
(c) Aegithognathous
(d) Schizognathous

2.. The presence of foramina transversaria for the passage of
artery and vein is a characteristic feature of
(a) cervical vertebrae of rabbit
(b) thoracic vertebrae of rabbit
(c) cervical vertebrae of frog
(d) thoracic vertebrae of frog

3. The inner surface of the intestine in some fishes become folded to form an anticlockwise spiral called scroll valve. This valve is present in
(a) Tenulosa ilisha
(b) Ctenopharyngodon idella
(c) Scoliodon sorrakovah
(d) Hetempneustesfossilis

4.. Which one of the following air sacs in Columba is not paired?
(a) Cervical
(b) Thoracic
(c) Interclavicular
(d) Abdominal

5. Trachea is supported by complete bony rings and complete
cartilaginous rings respectively in
(a) Columba and Calotes
(b) Rana and Columba
(c) Calotes and Oryctolagus
(d) Oryctolagus and Rana

6.. In Calotes, the apex of the ventricle is connected with the pericardium by a thin and white tissue called
(a) Musculi pectinati
(b) Chordae tendineae
(c) Gubernacular cordis
(d) Colunmae carneae

7. Systemic arches in frog are derived from which aortic arches?
(a) Fourth pair
(b) Third pair
(c) Fifth pair
(d) Sixth pair

8. Accessory respiratory organs are found in fishes living in
(a) marine water
(b) cave water
(c) snow-fed rivers
(d) tropical fresh water

9.To facilitate the aquatic respiration, tracheal gills are found in which of the following?
(a) Fishes
(b) Turtles
(c) Molluscs
(d) Insects

10.. Which one of the following is a secondary aquatic animal?
(a) Zygaena
(b) Dugong
(c) Solea
(d) Exocoetus

11. Consider the following, characteristics regarding snakes:
1. 3rd supra-labial scale touches the eye as well as the naris bearing scale.
2. Presence of special spots on the belly.
3. Presence of pit between eye and naris.
Which of the above is/arc true in the case of coral snakes?
(a)I and 2 only
(b) 2 only
(c)1 and 3 only
(d)1,2 and 3

12.. With reference to poisonous snakes, consider the following
statements
1. Usually a pair of maxillary teeth is modified into fangs.
2. Scales on the head are enlarged to form large shields.
3. The parotid (labial) glands are modified into poison glands.
Which of the statements given above are correct?
(a) 1 arid 2 only
(b) 1and 3 only
(c)2 and 3 only
(d) 1,2 and 3

13. Which one of the following features is not correct in the case
of new world monkeys?
(a) Cheek pouches are absent
(b) Pollex is opposable
(c) Ischial callosities are lacking
(d) No bony external auditory meatus

14.Which one of thefollowing fishes is not a dipnoan?
(a) Protopterus sp..
(b) Neoceratodus sp
(c) Notopterus sp .
(d) Lepidosiren sp

15. Consider the following statements:
1. Pisces and amphibia can be differentiated on the basis of difference in skin.
2. Elasmobranchii and teleostomi can be differentiated on the basis of endoskeleton.
3. Scoliodon and Torpedo can be differentiated on the basis of electric organs.
4. Salamander can be differentiated from Bufo on the basis of parotid gland.
Which of the statements given above are correct?
(a)1 and 2 only
(b) 2, 3 and 4 only
(c)1, 3 and 4only
(d)1,2,3 and 4

16.A caudal fin, which is asymmetrical intemally and symmetrical superficially (outwardly), and the vertebral column is shortened and slightly bent upward at the end is known as
(a) protocercal
(b) diphycercal
(c) heterocercal
(d) homocercal

17.. In schizognathous palate in birds, the vomer is
(a) large and broad behind
(b) either absent or small and pointed i front
(c) broad and truncate in front
(d) large and perforated

18. Paddy crop is damaged by which one of the following insects?
(a) Leptocorisa varicornis
(b) Dysdercus cingulatus
(c) Bruchus chinensis
(d) Sitophilus oryzae

Answers
1 b
2 a
3 a
4 c
5 a
6 d
7 a
8 d
9 d
10 b
11 d
12 d
13 d
14 c
15 d
16 c
17 a
18 a