Rh factor is present in

• all vertebrates

• all mammals

• all reptiles

• man and rhesus monkey only

In cockroach, larval and nymphal characters are maintained by

• ecdysone

• salivary glands

• parotid gland

• juvenile hormone

Which of the following cell type is capable of giving rise to other cell types in sponges?

• Thesocytes

• Pinacocytes

• Cnidocytes

• Archaeocytes

Animals having a built in thermostat to maintain constant body temperature are known as

• biothermic

• poikilothermic

• oligothermic

• homeothermic

In rabbit, end of a long bone is connected in another by

• tendon

• ligaments

• muscle

• cartilage

During emergency which of the following hormone is secreted?

• Aldosterone

• Thyroxine

• Adrenalin

• Calcitonin

Thigmotaxis is not shown by

• Paramecium

• Amoeba

• Ascaris

• Hydra

Which of the following is the largest gland in an adult man?

• Thymus

• Liver

• Thyroid

• Pancreas

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