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

Animal Physiology and Behavior (ZOO502)

Multiple Choice Questions (MCQs)

Objective Questions

  1. Brunner's glands are present in the first part of ________ between pyloric sphincter and pancreatic duct.

    1. Esophagus
    2. Duodenum
    3. Stomach
    4. Colon
  2. Pituitary gland releases ________ hormones.

    1. 5
    2. 7
    3. 9
    4. 11
  3. Major stimulus for the beta cells to secrete insulin is high blood ________ level.

    1. Glucose
    2. Creatinine
    3. RBCs
    4. Alanine
  4. Bile salts are essential for the digestion of ________.

    1. Carbohydrates
    2. Fats
    3. Lipids
    4. Fatty acids
  5. In vertebrates ________ chylomicrons enter lacteals of villi.

    1. 20%
    2. 50%
    3. 80%
    4. 100%
  6. ________ are also called warm blooded Animals.

    1. Homeotherms
    2. Poikilotherms
    3. Hemostasis
    4. All of the given
  7. In many organisms, ACTH also plays role in ________.

    1. Metabolic reactions in the body
    2. Ovulation
    3. Formation of corpus luteum
    4. Circadian rhythms
  8. A color-blind person who lacks ________ cones is called a deuteranope.

    1. Green
    2. Red
    3. Blue
    4. Both green and red
  9. Which of the following hormone acts as enteric neurotransmitter?

    1. Chymodenin
    2. Gastrin
    3. Secretin
    4. Substance P
  10. Which of the following is an example of steroid hormone?

    1. Thyrotropin-releasing hormone
    2. Epinephrine
    3. Aldosterone
    4. Thyroxine
  11. Chromaffin cells are neuroendocrine cells found mostly in the ________ of the adrenal glands in mammals.

    1. Medulla
    2. Cortex
    3. Medulla Cortex
    4. Oblangita
  12. The islets of Langerhans are found in ________.

    1. Alimentary canal
    2. Kidney
    3. Pancreas
    4. Head
  13. ________ hormone is also referred as "hunger hormone".

    1. Gastrin
    2. Ghrelin
    3. Cholecystokinin
    4. Secretin
  14. ________ are the animals that generate their own body heat through metabolism to elevate their body temperatures.

    1. Ectotherms
    2. Endotherms
    3. Mesoderm
    4. Heterotherms
  15. 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
  16. Adenohypophysis contains ________ types of glandular cells that synthesize and secrete six hormones.

    1. 5
    2. 7
    3. 9
    4. 11
  17. Oxytocin stimulates motility of the oviduct in ________.

    1. Mammals
    2. Reptiles
    3. Birds
    4. Amphibians
  18. Organic salts of bile are manufactured in ________ from cholesterol and amino acids complexed with sodium.

    1. Lungs
    2. Intestine
    3. Liver
    4. Stomach
  19. 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
  20. 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
  21. 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
  22. 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
  23. Parathormone over secretion leads to ________.

    1. Softness of bones
    2. Hypocalcemia
    3. Increased excitability of neurons
    4. Muscle tetany
  24. 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
  25. Somatostatin ________ the secretion of insulin and glucagon.

    1. Increases
    2. Inhibits
    3. Decreases
    4. None of the given
  26. Which of the following is an example of Apocrine secretions?

    1. Mammary gland
    2. Sweat gland
    3. Digestive gland
    4. Sebaceous gland
  27. Adrenal cortex synthesizes and secretes a family of steroid hormones collectively called ________.

    1. Glucocorticoids
    2. Neurosteroids
    3. Corticosteroids
    4. Reproductive hormones
  28. Delta cells constitute ________ of islets.

    1. 60%
    2. 90%
    3. 10%
    4. 100%
  29. Bile is transported by ________ from liver to the gallbladder.

    1. Bile duct
    2. Renal duct
    3. Aorta
    4. Hepatic duct
  30. Glycosuria is the excretion of glucose into the ________.

    1. Glycogen
    2. Blood
    3. PUS
    4. Urine
  31. ________ are involved in spermatogenesis.

    1. Sertoli Cells
    2. Beta cells
    3. Germ cells
    4. Graafian follicle