In the name of ALLAH, the most beneficient, the most merciful

Animal Physiology and Behavior (ZOO502)

Multiple Choice Questions (MCQs)

Objective Questions

  1. Organic salts of bile are manufactured in ________ from cholesterol and amino acids complexed with sodium.

    1. Lungs
    2. Intestine
    3. Liver
    4. Stomach
  2. ________ are also called warm blooded Animals.

    1. Homeotherms
    2. Poikilotherms
    3. Hemostasis
    4. All of the given
  3. Adrenal cortex synthesizes and secretes a family of steroid hormones collectively called ________.

    1. Glucocorticoids
    2. Neurosteroids
    3. Corticosteroids
    4. Reproductive hormones
  4. Oxytocin stimulates motility of the oviduct in ________.

    1. Mammals
    2. Reptiles
    3. Birds
    4. Amphibians
  5. The genes for ________ cone pigments are closely linked on the X chromosome.

    1. Red and green
    2. Green and Blue
    3. Blue and Red
    4. Red, Green and Blue
  6. Somatostatin ________ the secretion of insulin and glucagon.

    1. Increases
    2. Inhibits
    3. Decreases
    4. None of the given
  7. Parathormone over secretion leads to ________.

    1. Softness of bones
    2. Hypocalcemia
    3. Increased excitability of neurons
    4. Muscle tetany
  8. Glycosuria is the excretion of glucose into the ________.

    1. Glycogen
    2. Blood
    3. PUS
    4. Urine
  9. Pituitary gland releases ________ hormones.

    1. 5
    2. 7
    3. 9
    4. 11
  10. A color-blind person who lacks ________ cones is called a deuteranope.

    1. Green
    2. Red
    3. Blue
    4. Both green and red
  11. An absolute deficiency of insulin due to loss of pancreatic beta-cells causes ________.

    1. Diabetes mellitus Type-I
    2. Diabetes mellitus Type-II
    3. cirrhosis
    4. Nephrosis
  12. ________ hormone is also referred as "hunger hormone".

    1. Gastrin
    2. Ghrelin
    3. Cholecystokinin
    4. Secretin
  13. In many organisms, ACTH also plays role in ________.

    1. Metabolic reactions in the body
    2. Ovulation
    3. Formation of corpus luteum
    4. Circadian rhythms
  14. Delta cells constitute ________ of islets.

    1. 60%
    2. 90%
    3. 10%
    4. 100%
  15. ________ are involved in spermatogenesis.

    1. Sertoli Cells
    2. Beta cells
    3. Germ cells
    4. Graafian follicle
  16. Warm blooded animals maintain a core body temperature between ________.

    1. 47-50°C
    2. 37-38°C
    3. 95-97°C
    4. 97-98°C
  17. Which of the following is an example of steroid hormone?

    1. Thyrotropin-releasing hormone
    2. Epinephrine
    3. Aldosterone
    4. Thyroxine
  18. Bile salts are essential for the digestion of ________.

    1. Carbohydrates
    2. Fats
    3. Lipids
    4. Fatty acids
  19. Brunner's glands are present in the first part of ________ between pyloric sphincter and pancreatic duct.

    1. Esophagus
    2. Duodenum
    3. Stomach
    4. Colon
  20. Which of the following is an example of Apocrine secretions?

    1. Mammary gland
    2. Sweat gland
    3. Digestive gland
    4. Sebaceous gland
  21. The islets of Langerhans are found in ________.

    1. Alimentary canal
    2. Kidney
    3. Pancreas
    4. Head
  22. Chromaffin cells are neuroendocrine cells found mostly in the ________ of the adrenal glands in mammals.

    1. Medulla
    2. Cortex
    3. Medulla Cortex
    4. Oblangita
  23. Bile is transported by ________ from liver to the gallbladder.

    1. Bile duct
    2. Renal duct
    3. Aorta
    4. Hepatic duct
  24. Adenohypophysis contains ________ types of glandular cells that synthesize and secrete six hormones.

    1. 5
    2. 7
    3. 9
    4. 11
  25. In vertebrates ________ chylomicrons enter lacteals of villi.

    1. 20%
    2. 50%
    3. 80%
    4. 100%
  26. Which of the following hormone acts as enteric neurotransmitter?

    1. Chymodenin
    2. Gastrin
    3. Secretin
    4. Substance P
  27. A lizard needs ________ lesser food per day than a rodent of same size, living in the same habitat and having the same diet.

    1. 20 times
    2. 3 times
    3. 17 times
    4. 70 times
  28. Amine hormones (thyroid and adrenal medullary hormones) are synthesized by the action of enzymes on amino acid ________.

    1. Glycine
    2. Tyrosine
    3. Valine
    4. Lysine
  29. ________ are the animals that generate their own body heat through metabolism to elevate their body temperatures.

    1. Ectotherms
    2. Endotherms
    3. Mesoderm
    4. Heterotherms
  30. Major stimulus for the beta cells to secrete insulin is high blood ________ level.

    1. Glucose
    2. Creatinine
    3. RBCs
    4. Alanine
  31. Salivary glands produce saliva that is delivered to the oral cavity through ________ ducts.

    1. Lacrimal and Parotid
    2. Pancreatic and submandibular
    3. Lactiferous and Lacrimal
    4. Submandibular and Parotid