Branch of zoology dealing with the study of fishes is called
Arthrology
Ichthyology
Saurology
Herpetology
Theory of continuity of germplasm was propounded by
Mendel
Lamarck
Weismann
Haeckel
C.
Weismann
Theory of continuity of germplasm was proposed by August Weismann (1892), a German Biologist, he suggested that the changes occurring in germplasm are inherited by offsprings, whereas in somatoplasm are not transmitted to next generation.
The structure present in all adult vertebrates is
Notochord
Dorsal tubular nerve cord
Pharyngeal gill slits
All of these
Consider the following statements and Choose correct ones from given options.
(I) Shark do not have any bone in its body.
(II) Water snake and salamander belongs to same class and have largest RBC.
(III) Silver fish is a true fish while cuttle and star fishes are mollusks and echinoderms respectively.
(IV) Ornithorhynchus is a connecting link between reptiles and mammals.
I, II and IV
I and IV
I, II and III
III and IV
A horse and a donkey can breed to produce mule which is an infertile animal. The infertility is because horse and donkey belong to different.
Class
Order
Species
Genus
Match the following Columns.
Column I (organism) | Column II (Connecting Link) |
A. Echina | 1. Between Annelida and Mollusca |
B. Peripatus | 2. Between Reptiles and Mammals |
C. Neopilina | 3. Between Annelida and Arthropoda |
D. Protopterus | 4. Between Pisces and Amphibian |
A – 4; B – 3; C – 2; D – 1
A – 2; B – 3; C – 1; D – 4
A – 3; B – 1; C – 2; D – 4
A – 4; B – 2; C – 1; D – 3
A connecting link between plant and animal kingdom is
Paramecium
Chlamydomonas
Chlorella
Euglena