Phospholipids are

• amphipathic

• hydrophobic

• amphibolic

• none of these

The first heart sound is produced when

• diastole begins

• semilunar valve close quickly

• interventricular pressure decrease

• bicuspid and tricuspid valve close quickly

Which of the following is both exocrine and endocrine gland

• Liver

• Pancreas

• Thyroid

• Adrenal

The scientist, who described the birds as glorified reptiles, was

• Romer

• Huxley

•  Mendel

• Robert Hooke

Third cleavage of frog's development is

• equatorial

• vertical

• latitudinal

• none of these

The epithelial lining in the alveoli of the frogs facing lung cavity is

• squamous ciliated

• columnar ciliated

• columnar nonciliated

• squamous nonciliated

Which of the following is the part of mid brain of rabbit?

• Diencephalon

• Cerebrum

• Corpora quadrigemina

• None of the above

Blood calcium level can be increased by the administration of

• glucagon

• thyroxine

• parathormone

• caleitonin

Which of the following is a transparent tissue

• Tendon

• Hyaline cartilage

• Fibrous cartilage

• All of these

Which of the following assists in the locomotion of the organism stated

• Epithelium of' Pheretima

• Trichocysts of Paramecium

• Pedicellaria of Star fish

• Posterior sucker of Hirudinaria