Which of the following is the largest gland in an adult man?
Thymus
Liver
Thyroid
Pancreas
B.
Liver
| Liver | Thyroid Gland | Pancreas | Thymus gland |
| Endodermal in origin | Length- 3 to 7 cm; Weight- 25gms | Length- 12- 15 cms; Weight- 50- 70 gm | Weight- at birth- 10 to 12 gms; at puberty- 20 to 30 gms; at old age- 3 to 6 gms |
| Largest gland in human body | Largest endocrine gland | Heterocrine (mixed) gland | Has immunological functions |
| Secretes bile which is used in the emulsification and absorption of fats. | Location- below larynx | Hormones secreted are insulin, glucagon and somatostatin | After puberty it is not clearly visible. |
| Produces heparin, plasma protein (albumin, fibrinogen and prothrombin) etc. | Produces thyroxine (T4)- controlsbasal metabolic rate of the body |
During emergency which of the following hormone is secreted?
Aldosterone
Thyroxine
Adrenalin
Calcitonin
Animals having a built in thermostat to maintain constant body temperature are known as
biothermic
poikilothermic
oligothermic
homeothermic
Which of the following cell type is capable of giving rise to other cell types in sponges?
Thesocytes
Pinacocytes
Cnidocytes
Archaeocytes
In cockroach, larval and nymphal characters are maintained by
ecdysone
salivary glands
parotid gland
juvenile hormone
Which of the following is a transparent tissue?
Tendon
Fibrous cartilage
Hyaline cartilage
All of these
In Pheretima, septa are absent between which segments?
3/4 and 9/10
4/5 and 8/9
5/6 and 7/8
7/8 and 6/7
