Zoology
Mark the correct statement:
A.
The sacculus and lagena of the membranous labyrinth are responsible for hearing
B.
The sacculus and lagena of the membranous labyrinth help in equilibrium
C.
Utriculus and semicircular canals are responsible for hearing
D.
Sacculus and semicircular canals are responsible for hearing
In herbivorous animals the caecum and appendix are concerned with digestion of:
A.
Proteins
B.
Fats
C.
Starch
D.
Cellulose
Ileum is the:
A.
Portion of large intestine
B.
Portion of small intestine behind the duodenum
C.
Portion of small intestine in front of the duodenum
D.
Portion of oesophagus
The vertebral column of fishes has:
A.
Trunk and caudal vertebrae
B.
Trunk and sacral vertebrae
C.
Sacral and lumbar vertebrae
D.
Caudal and lumbar vertebrae
Neuromasts of lateral line system of fishes and aquatic amphibians are:
A.
Rheoreceptors
B.
Photoreceptors
C.
Chemoreceptors
D.
Photo and Chemoreceptors
Mark the incorrect statement:
A.
Epodermal scales apppers for the first time in reptiles
B.
Sternum is found in snakes and turtles
C.
Scent glands are concerned with the attraction of opposite sex
D.
Nails, hoofs and horns are formed of keratin
The leucocytes which brings about destruction and detoxification of toxins are called:
A.
Monocytes
B.
Eosinophils
C.
Basophils
D.
Neutrophils
Red bone marrow in mammals forms:
A.
Erythrocytes and Leucocytes
B.
Erythrocytes and Blood platelets
C.
Leucocytes and Blood platelets
D.
Erythrocytes, Leucocytes and Blood platelets
Which one of the following functions, is performed by the restriction enzymes?
A.
Removing exons from the RNA transcript
B.
Removing introns from the RNA transcript
C.
Cutting up foreign DNA
D.
Removing methyl groups from DNA
In mammals, the wall of duodenum possess:
A.
Villi and crypts of Lieberkuhn
B.
Villi and Brunner's glands
C.
Villi, crypts of Lieberkuhn and Brunner's glands
D.
Brunner's glands
A well-developed crop for storing the food is found in:
A.
Lizard
B.
Pigeon
C.
Rabbit
D.
Man
Which of the following is missing in rabbit?
A.
Incisors
B.
Molars
C.
Premolars
D.
Canines
The molluscan "Living Fossil" with metameric segmentation is:
A.
Mytilus
B.
Limax
C.
Neopilina
D.
Planorbis
The phenomenon of losing one or more appendages to escape from the clutch of enemy by prawn is known as:
A.
Autonomy
B.
Appendictomy
C.
Podotomy
D.
Heterotomy
In Cockroach the cells that secrete wax are:
A.
Collencytes
B.
Trichogens
C.
Oenocytes
D.
Sollenocytes
Pearls are formed in molluscs belonging to class:
A.
Pelycypoda
B.
Scaphopoda
C.
Gastropoda
D.
Apoda
The tangoreceptors present in the body of scorpion are called:
A.
Spiracle
B.
Axial gland
C.
Pectine
D.
Ampulla
How many pairs of hearts are found in Earthworm?
A.
2 pairs
B.
3 pairs
C.
4 pairs
D.
7 pairs
In Taenia, the youngest segments are found in the:
A.
Scolex region
B.
Neck region
C.
Middle region
D.
Posterior most region
The notochord in chordates are normally placed:
A.
Round the nerve cord
B.
Ventral to the nerve cord
C.
Dorsal to the nerve cord
D.
Parallel to the nerve cord
Which of the following is best suited to sessile animals?
A.
Radial symmetry
B.
Biradial symmetry
C.
Bilateral symmetry
D.
Asymmetry
Which of the following statements given are correct?
A.
Asexual mode of reproduction is absent in monocyst is
B.
Sporoblast stage is absent in Plasmodium
C.
Binary fission in Paramecium is longitudinal type
D.
Sporulation and sexual reproduction are absent in Amoeba
The true coral forming polyps belongs to the class:
A.
Hydrozoa
B.
Anthozoa
C.
Scyphozoa
D.
Calcizoa
Insect resistant cotton plants have been genetically engineered by inserting a gene from a/an:
A.
Virus
B.
Bacterium
C.
Insect
D.
Plant
The "Oriental Cockroach" commonly found in India are called:
A.
Periplaneta americana
B.
Blatta orientalis
C.
Blatella germanica
D.
Periplaneta australasiae