The hepatic portal vein drains blood to liver from

• Heart

• Stomach

• Kidneys

• Kidneys

Which one of the following statements is correct with reference to enzymes?

• Apoenzyme = Holoenzyme + Coenzyme

• Holoenzyme = Apoenzyme + Coenzyme

• Coenzyme = Apoenzyme + Holoenzyme

• Coenzyme = Apoenzyme + Holoenzyme

Which of the following options best represents the enzyme composition of pancreatic juice?

• Amylase, peptidase, trypsinogen, rennin

• Amylase, pepsin, trypsinogen, maltase

• Peptidase, amylase, pepsin, rennin

• Peptidase, amylase, pepsin, rennin

Which of the following terms describe human dentition?

• Thecodont, Diphyodont, Homodont

• Thecodont, Diphyodont, Heterodont

• Pleurodont, Diphyodont, Heterodont

• Pleurodont, Monophyodont, Homodont

Identify the vertebrate group of animals characterized by crop and gizzard in its digestive system

• Amphibia

• Reptilia

• Osteichthyes

• Aves

Identify the correct set, which shows the name of the enzyme from where it is secreted and the substrate upon which it acts.

• Ptyalin – Intestine – Maltose

• Ptyalin – Pancreas – Lipid

• Pepsin – Stomach wall – Caesin

• Chymotrypsin – Salivary gland – Lactose

Oxyntic cells secrete

• HCl

• Trypsin

• NaOH

• Pepsinogen

168.

Vitamin-B₁₂ is absorbed primarily in the

• Stomach

• Duodenum

• Jejunum

• ileum

The layer of cells that secrete enamel of the tooth is

• Dentoblast

• Ameloblast

• Osteoblast

• Odontoblast

Kupffer cells are present in

• liver

• small intestine

• pancreas

• thyroid gland