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

Animal Physiology and Behavior (ZOO502)

Multiple Choice Questions (MCQs)

Objective Questions

  1. Adenohypophysis contains ________ types of glandular cells that synthesize and secrete six hormones.

    1. 5
    2. 7
    3. 9
    4. 11
  2. Parathormone over secretion leads to ________.

    1. Softness of bones
    2. Hypocalcemia
    3. Increased excitability of neurons
    4. Muscle tetany
  3. ________ hormone is also referred as "hunger hormone".

    1. Gastrin
    2. Ghrelin
    3. Cholecystokinin
    4. Secretin
  4. Which of the following hormone acts as enteric neurotransmitter?

    1. Chymodenin
    2. Gastrin
    3. Secretin
    4. Substance P
  5. Adrenal cortex synthesizes and secretes a family of steroid hormones collectively called ________.

    1. Glucocorticoids
    2. Neurosteroids
    3. Corticosteroids
    4. Reproductive hormones
  6. In many organisms, ACTH also plays role in ________.

    1. Metabolic reactions in the body
    2. Ovulation
    3. Formation of corpus luteum
    4. Circadian rhythms
  7. Chromaffin cells are neuroendocrine cells found mostly in the ________ of the adrenal glands in mammals.

    1. Medulla
    2. Cortex
    3. Medulla Cortex
    4. Oblangita
  8. Pituitary gland releases ________ hormones.

    1. 5
    2. 7
    3. 9
    4. 11
  9. Brunner's glands are present in the first part of ________ between pyloric sphincter and pancreatic duct.

    1. Esophagus
    2. Duodenum
    3. Stomach
    4. Colon
  10. The islets of Langerhans are found in ________.

    1. Alimentary canal
    2. Kidney
    3. Pancreas
    4. Head
  11. 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
  12. Delta cells constitute ________ of islets.

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

    1. Bile duct
    2. Renal duct
    3. Aorta
    4. Hepatic duct
  14. Bile salts are essential for the digestion of ________.

    1. Carbohydrates
    2. Fats
    3. Lipids
    4. Fatty acids
  15. ________ are also called warm blooded Animals.

    1. Homeotherms
    2. Poikilotherms
    3. Hemostasis
    4. All of the given
  16. Major stimulus for the beta cells to secrete insulin is high blood ________ level.

    1. Glucose
    2. Creatinine
    3. RBCs
    4. Alanine
  17. 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
  18. Glycosuria is the excretion of glucose into the ________.

    1. Glycogen
    2. Blood
    3. PUS
    4. Urine
  19. In vertebrates ________ chylomicrons enter lacteals of villi.

    1. 20%
    2. 50%
    3. 80%
    4. 100%
  20. Oxytocin stimulates motility of the oviduct in ________.

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

    1. Lungs
    2. Intestine
    3. Liver
    4. Stomach
  22. ________ are involved in spermatogenesis.

    1. Sertoli Cells
    2. Beta cells
    3. Germ cells
    4. Graafian follicle
  23. 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
  24. Which of the following is an example of Apocrine secretions?

    1. Mammary gland
    2. Sweat gland
    3. Digestive gland
    4. Sebaceous gland
  25. A color-blind person who lacks ________ cones is called a deuteranope.

    1. Green
    2. Red
    3. Blue
    4. Both green and red
  26. 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
  27. Which of the following is an example of steroid hormone?

    1. Thyrotropin-releasing hormone
    2. Epinephrine
    3. Aldosterone
    4. Thyroxine
  28. Somatostatin ________ the secretion of insulin and glucagon.

    1. Increases
    2. Inhibits
    3. Decreases
    4. None of the given
  29. 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
  30. 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
  31. ________ are the animals that generate their own body heat through metabolism to elevate their body temperatures.

    1. Ectotherms
    2. Endotherms
    3. Mesoderm
    4. Heterotherms