Vet01

Subjective Paper: Questions & Answers A. Answer any four of the following: 1.5 x 4 = 6.0 a. How do steroid hormones interact with their receptors? Answer: Steroid hormones are lipophilic molecules that pass through the plasma membrane via simple diffusion. Inside the cell, they bind to intracellular receptors in the cytoplasm or nucleus. The resulting hormone-receptor complex binds to Hormone Response Elements (HREs) on DNA, regulating transcription and protein synthesis. b. Preovulatory surge of LH. Answer: High, sustained levels of estradiol from mature follicles trigger positive feedback on the hypothalamus and anterior pituitary. This causes a sudden, large release of GnRH, inducing a dramatic preovulatory spike in Luteinizing Hormone (LH) that stimulates ovulation within 24 to 36 ho...

 maam B. Mention whether the statements are true or false in the space given. Attempt any four out of following: 0.5 x 4 = 2.0 a. The entire allantochorion is provided with villi which burrow into the maternal crypts of the endometrium is called zonary placenta. View Answer & Explanation False When villi cover the entire allantochorion, it is a diffuse placenta (found in horses and pigs). A zonary placenta features villi organized in a band or ring around the middle of the fetus (found in carnivores like dogs and cats). b. The if the individual is male, the rete testis produces mullerian inhibiting factor which causes regression of wolffian duct. View Answer & Explanation False Mullerian Inhibiting Factor (MIF) is...

 gloria maam Batch: 2023-24 Date: 04/06/2024 Marks Obtained: ______ A. Fill in the blanks in any six with appropriate words:- (0.5 x 6 = 3.0) The gestation length in pig is days. A proteolytic enzyme:  facilitates passage through zona. Several lobules create to form in mammary gland. Contraction of cell stimulates milk ejection from alveoli. Synthesis of fatty acids in the mammary gland from and β-hydroxybutyric acid transported from the rumen. Animals are usually dried up after day lactational period. The length of estrous cycle in cow is days. The ovum remains viable for about hours in domestic ani...

D. Match the term under column A with statement under column B and write the letter of correct answer in space given under column C in front of the term under A. 0.25 X 10 = 2.5 A C D B 1. Metestrus J A. Found in mare and sow. 2. Prostaglandin F 2α F B. Becomes the epididymis, vas deference and urethra. 3. Diffuse placenta A C. Found in bitch and queen 4. Estrus ...