Recent questions tagged animal-physiology

Description : Which of the following is located in the mitochondria? (A) Cytochrome oxidase (B) Succinate dehydrogenase (C) Dihydrolipoyl dehydrogenase (D) All of these

Last Answer : (D) All of these

Description : The surface tension in intestinal lumen between fat droplets and aqueous medium is decreased by (A) Bile Salts (B) Bile acids (C) Conc. H2SO4 (D) Acetic acid

Last Answer : (A) Bile Salts

Description : The phenomenon of osmosis is opposite to that of (A) Diffusion (B) Effusion (C) Affusion (D) Coagulation

Last Answer : (A) Diffusion

Description : The pH of blood is 7.4 when the ratio between H2CO3 and NaHCO3 is (A) 1 : 10 (B) 1 : 20 (C) 1 : 25 (C) 1 : 30

Last Answer : (B) 1 : 20

Description : The average pH of Urine is (A) 7.0 (B) 6.0 (C) 8.0 (D) 0.0

Last Answer : (B) 6.0

Description : The exchange of material takes place (A) Only by diffusion (B) Only by active transport (C) Only by pinocytosis (D) All of these

Last Answer : (D) All of these

Description : The degradative Processess are categorized under the heading of (A) Anabolism (B) Catabolism (C) Metabolism (D) None of the above

Last Answer : (B) Catabolism

Description : Which one is the largest particulate of the cytoplasm? (A) Lysosomes (B) Mitochondria (C) Golgi apparatus (D) Entoplasmic reticulum

Last Answer : (B) Mitochondria

Description : Which one is the heaviest particulate component of the cell? (A) Nucleus (B) Mitochondria (C) Cytoplasm (D) Golgi apparatus

Last Answer : (A) Nucleus

Description : Which of the following statement is correct about membrane cholesterol? (A) The hydroxyl group is located near the centre of the lipid layer (B) Most of the cholesterol is in the form ... forms a rigid, planar Structure (D) The hydrocarbon chain of cholesterol projects into the extracellular fluid

Last Answer : (C) The steroid nucleus form forms a rigid, planar Structure

Description : All the following processes occur rapidly in the membrane lipid bilayer except (A) Flexing of fatty acyl chains (B) Lateral diffusion of phospholipids (C) Transbilayer diffusion of phospholipids (D) Rotation of phospholipids around their long axes

Last Answer : (C) Transbilayer diffusion of phospholipids

Description : Which of the following phospholipids is localized to a greater extent in the outer leaflet of the membrane lipid bilayer? (A) Choline phosphoglycerides (B) Ethanolamine phosphoglycerides (C) Inositol phosphoglycerides (D) Serine phosphoglycerides

Last Answer : (A) Choline phosphoglycerides

Description : Which are the cholesterol esters that enter cells through the receptor-mediated endocytosis of lipoproteins hydrolyzed? (A) Endoplasmin reticulum (B) Lysosomes (C) Plasma membrane receptor (D) Mitochondria

Last Answer : (B) Lysosomes

Description : HDL is synthesized and secreted from (A) Pancreas (B) Liver (C) Kidney (D) Muscle

Last Answer : (B) Liver

Description : Synthesis of prostaglandinsis is inhibited by (A) Aspirin (B) Arsenic (C) Fluoride (D) Cyanide

Last Answer : (A) Aspirin

Description : Milk is deficient of which mineral? (A) Phosphorus (B) Sodium (C) Iron (D) Potassium

Last Answer : (C) Iron

Description : Milk is deficient in which vitamins? (A) Vitamin C (B) Vitamin A (C) Vitamin B2 (D) Vitamin K

Last Answer : (A) Vitamin C

Description : Oxidation of which substance in the body yields the most calories (A) Glucose (B) Glycogen (C) Protein (D) Lipids

Last Answer : (D) Lipids

Description : Which of the following is required for crystallization and storage of the hormone insulin? (A) Mn++ (B) Mg++ (C) Ca++ (D) Zn++

Last Answer : Mn++

Description : A drug which prevents uric acid synthesis by inhibiting the enzyme xanthine oxidase is (A) Aspirin (B) Allopurinol (C) Colchicine (D) Probenecid

Last Answer : (B) Allopurinol

Description : Modern bread is formed with amino acid (a) Histidine (b) Lysine (c) Leucine (d) All

Last Answer : (d) All

Description : Taste buds in frog are restricted to (a) Tongue (b) Buccal cavity (c) Tongue & roof of buccal cavity (d) Tongue & floor of buccal cavity

Last Answer : (c) Tongue & roof of buccal cavity

Description : One of the following is excreted in Urine (a) Vit. A (b) Vit. B (c) Vit. C (c) Vit D

Last Answer : (c) Vit. C

Description : Fat digestion is diffcult due to absence of (a) Bile salts (b) Bile pigments (c) Cholesterol (d) All

Last Answer : (a) Bile salts

Description : One of the following mineral is essential for life of animals and rot for plants (a) Calcium (b) Phosphorus (c) Iodine (d) Potassium

Last Answer : (b) Phosphorus

Description : Mineral which contronls the heart beats (a) Sulphur (b) Sodium (c) Iron (d) Potassium

Last Answer : (b) Sodium

Description : Vomiting is result of (a) Peristalsis (b) Anti peristalsis (c) Both (d) None

Last Answer : (b) Anti peristalsis

Description : Goblet cells produce mucus which (a) Protect the wall of gut (b) Digest protein (c) Digest fat (d) none

Last Answer : (a) Protect the wall of gut

Description : Vermiform appendix is a part of (a) Gut of digestive system (b) Vascular system (c) Reproductive system (d) None

Last Answer : (a) Gut of digestive system

Description : The roof of buccal cavity is supported by (a) Glottis (b) Gullet (c) Palate (d) Ail

Last Answer : (c) Palate

Description : Before starvation (a) Glucose is utilized (b) Glycogen is consumed (c) Fat is consumed (d) Glucose & Glycogen consumed

Last Answer : (d) Glucose & Glycogen consumed

Description : Glucagon produced by (a) α-cells of Islets (b) β-cells of Islets (c) -cells of Islets (d) All

Last Answer : (a) α-cells of Islets

Description : Chief function of large intestine is (a) Absorption of fat (b) Absorption of salts (c) Absorption of minerals (d) Absorption of water

Last Answer : (d) Absorption of water

Description : One of the following is longest part of alimentary canal (a) Stomach (b) Ileum (c) Colon (d) Rectum

Last Answer : (b) Ileum

Description : Minimum peristaltis is found in (a) Oesophagus (b) Stomach (c) Ileum (d) Rectum

Last Answer : (d) Rectum

Description : One of the following is not a protein digesting (a) Pepsin (b) Rennin (c) Ptyalin (d) Air

Last Answer : (c) Ptyalin

Description : One of the following act upon milk protein (a) Renin (b) Rennin (c) Casein (d) None

Last Answer : (b) Rennin

Description : One of the following is not a salivary gland (a) Parotid (b) Sub-lingual (c) Sub maxillary (d) Payer’s patches

Last Answer : (d) Payer’s patches

Description : One of the following is salivary gland (a) Brunner’s gland (b) Stink gland (c) Erypts of leibcrkuhn (d) Parotid gland

Last Answer : (d) Parotid gland

Description : Food digestion is conversion of (a) Macromolecules to micromolecules (b) Non diffusable to diffusable molecules (c) Insoluble to soluble (d) All

Last Answer : (d) All

Description : Pepsin in stomach is produced by (a) Parietal cells(b) Oxyntic cells (c) Zymogenic cells (d) All

Last Answer : (c) Zymogenic cells

Description : In gastric glands mucus cells are more in (a) Neck (b) Basal part (c) Middle (d) None

Last Answer : (a) Neck

Description : In ruminents honey comb is (a) Rumen (b) Abomassum (c) Reticulum (d) None

Last Answer : (c) Reticulum

Description : True stomach in ruminents is (a) Rumen (b) Reticulum (c) Abomassum (d) Omassum

Last Answer : (c) Abomassum

Description : Intestine is 9-10 times longer than the body in (a) Herbivores (b) Carnivores (c) Omnivores (d) None

Last Answer : (a) Herbivores

Description : In carnivores intestine is (a) 5-6 times longer than the body (b) 2.3 times longer than the body (c) Equal to the body (d) None of the above

Last Answer : (b) 2.3 times longer than the body

Description : Pancreas mainly (a) Digestive gland (b) Endocrine gland (c) Lymph gland (d) None

Last Answer : (a) Digestive gland

Description : Pancreatic juice is collected by small ducts from Acini, these are (a) Wirsung duct (b) Ducts of santorini (c) Wharton's duct (d) None

Last Answer : (b) Ducts of santorini

Description : β-cells of pancreas Produce (a) Insulin (b) Glucagon (c) Both (d) None

Last Answer : (a) Insulin

Description : Beaded rectum is found in (a) Frog (b) Rabbil (c) Man (d) All

Last Answer : (b) Rabbil