Animal Reproduction MCQ's Q & A.docx

What is the primary function of Luteinising Hormone in males? A. Stimulates testosterone production. B. Regulates libido and sexual development. C. Inhibits follicle development. D. Stimulates synthesis of sperm cells. ANSWER: A Which hormone is directly responsible for stimulating the synthes...

What is the primary function of Luteinising Hormone in males? A. Stimulates testosterone production. B. Regulates libido and sexual development. C. Inhibits follicle development. D. Stimulates synthesis of sperm cells. ANSWER: A Which hormone is directly responsible for stimulating the synthesis of LH and FSH? A. Testosterone B. Follicle Stimulating Hormone (FSH) C. Luteinising Hormone D. Gonadotropin Releasing Hormone (GnRH) ANSWER: D In which animal is the oestrous cycle typically 21 days long? A. Cow B. Ewe C. Sow D. All of the above ANSWER: A, C What is the typical duration of oestrus in the ewe? A. 2 to 3 days B. 30 to 40 hours C. 14 to 24 hours D. 24 to 36 hours ANSWER: D Which hormone is essential for sexual development and male characteristics? A. FSH B. LH C. Testosterone D. GnRH ANSWER: C What is the primary function of the acrosome in a sperm cell? A. Energy production for movement B. Structural support for the flagellum C. Condensation of DNA D. Fertilisation of the egg ANSWER: D Which component of the sperm cell is primarily responsible for energy production? A. Midpiece B. Tail C. Acrosome D. Haploid nucleus ANSWER: A In a sperm cell, what is the role of the flagellum? A. To condense the DNA B. To enable movement C. To house the centrioles D. To facilitate fertilisation ANSWER: B What type of cell division results in the formation of a haploid nucleus in sperm? A. Budding B. Mitosis C. Binary fission D. Meiosis ANSWER: D Which structure in a sperm cell provides the necessary structural support for its movement? A. Midpiece B. Acrosome C. Nucleus D. Microtubules ANSWER: D What is the main purpose of centrioles found in the midpiece of a sperm cell? A. Regulate mitochondrial function B. Contribute to fertilisation C. Store condensed DNA D. Support the function of the flagellum ANSWER: D What is contained within the haploid nucleus of the sperm cell? A. Condensed DNA B. Diploid DNA C. Fluid for movement D. Energy reserves ANSWER: A Which of the following best describes the role of mitochondria in sperm cells? A. To enable fertilisation B. To produce ATP for locomotion C. To assist in DNA condensation D. To provide structural integrity ANSWER: B What role does the cervix play in the reproductive tract of a cow? A. Prevents infection B. Site of sperm deposition C. Nourishes and protects the embryo D. Site of fertilization ANSWER: A Which hormone is primarily responsible for causing ovulation in cows? A. Follicle stimulating hormone (FSH) B. Estrogen C. Progesterone (P4) D. Luteinizing hormone (LH) ANSWER: D What is the main function of the oviducts in the cow\'s reproductive system? A. Site of fertilization B. Prevent infection C. Support embryo development D. Produce ova ANSWER: A How long is the gestation period for a cow? A. Three weeks B. Three months C. Three months, three weeks, and three days D. Three months and three weeks ANSWER: C Which hormone is primarily responsible for maintaining pregnancy in cows? A. Oxytocin B. Follicle stimulating hormone (FSH) C. Luteinizing hormone (LH) D. Progesterone (P4) ANSWER: D What is the major function of the uterus in cow reproduction? A. Site of ovulation B. Nourishes and protects the embryo and fetus C. Produces ova D. Facilitates sperm transportation ANSWER: B Which structure is involved in the deposition of sperm during mating in cows? A. Cervix B. Oviducts C. Uterus D. Vagina ANSWER: D What is the primary function of follicle stimulating hormone (FSH) in cows? A. Supports embryo attachment B. Triggers childbirth C. Promotes follicular development D. Facilitates sperm motility ANSWER: C What is a primary benefit of using artificial insemination in bovine animals? A. Elimination of all breeding costs B. Access to superior genetics from top bulls C. Simplicity of procedure for untrained personnel D. Increased natural mating opportunities ANSWER: B Which of the following is a disadvantage of artificial insemination? A. Complete elimination of breeding expenses B. Reduction in overall herd health C. Higher training requirements for personnel D. Increased disease transmission risk ANSWER: C How does artificial insemination contribute to disease control in herds? A. By encouraging natural mating behavior B. By reducing the transmission of sexually transmitted diseases C. By isolating bulls from the herd entirely D. By increasing the number of breeding bulls ANSWER: B What is one of the economic advantages of artificial insemination? A. Complete eradication of veterinary expenses B. Elimination of the need for housing bulls C. Increased breeding frequency without costs D. Reduced cost associated with multiple breeding bulls ANSWER: B What potential risk is associated with relying heavily on artificial insemination? A. Increased genetic diversity in the herd B. Lower potential for genetic improvement C. Risk of inbreeding due to decreased genetic diversity D. Higher likelihood of producing stronger offspring ANSWER: C In terms of costs, what is a disadvantage related to artificial insemination? A. It is less expensive than natural mating B. The initial setup for AI can be expensive C. It completely eliminates maintenance costs D. It requires minimal training and equipment ANSWER: B Which characteristic of artificial insemination may pose a challenge in some regions? A. Increased animal welfare revolving around natural breeding B. Its overall low cost and affordability C. The ability to acquire superior genetics easily D. The necessity of specialized skills and training ANSWER: D What trait does artificial insemination enhance among bovine herds? A. Size and weight in bull offspring B. Capacity for higher birth rates C. Desirable traits such as milk production D. Resistance to seasonal breeding patterns ANSWER: C