What is ejaculatory duct and its function in cockroach?

Q: What are the ducts that convey sperm from the seminiferous tubules to the epididymis and what is…

A: Sperm is also called as spermatozoa. It is a male reproductive cell, produced by most animals. In…

Q: What are Seminiferous Tubules ?

A: Step 1 Testes are a pair of primary sex organs of the human’s males which are extra-abdominal or…

Q: How do the shape and structure of the uterus of the fetal pig compare with that of the human?

A: Reproductive system is used for the sexual reproduction. Female internal reproductive organs include…

Q: What is the histological difference between a morula and a blastocyst?

A: Introduction  Life starts from single cell called Zygote. Zygote is the single diploid cell resulted…

Q: How are the external genitalia of the female similar to those of the male? How are they different?

A: The external genitalia of male and female basically originates from the same origin as both of them…

Q: How are the ovum and spermatozoa transported to the site of fertilisation? Describe the process of…

A: Fertilization is a natural life process that involves the union of male and female gametes,…

Q: What is the zygote stage?

A: The process of embryogenesis and fetal development initiate after the event of fertilization. It is…

Q: What is cephalization? How does lateral symmetry favor cephalization?

A: Symmetry is the balanced distribution of duplicate body parts or shapes within the body of an…

Q: When does gastrulation occur?

A: Gastrulation occurs during week 3 of Human development. The process of gastrulation generates the…

Q: Why are the males whose testes fail to descend to the scrotum considered infertile?

A: Testes are also known as testicles and they are a pair of sperms producing organs which helps in…

Q: What is ovum?

A: The fusion of the sperm and the egg is what brings about the formation of the zygote, which will…

Q: Distinguish the structures of the female reproductive system that (a) produce the egg, (b) transport…

A: Sexual reproduction is a type of reproduction in which organism under goes different cycles like…

Q: Compared to separate sexes and assuming self-fertilizing is not possible, what might be one…

A: Hermaphrodite  The organism that possess both sex organ male and female together inside the body are…

Q: What is the first appearance of embryogenic callus?

A: The callus is basically an unorganized growing mass of parenchyma cells that is responsible for…

Q: What factors could influence the length and timing of awoman’s monthly uterine cycle?

A: Ovulation stands for the phenomenon through which a mature egg is given out by the ovary in a…

Q: What is the function of the tube feet?

A: Tube feet are the special type of structure found in echinoderms such as sea stars, brittle stars…

Q: What is ovarian funnels in earthworm?

A: Earthworms are the members of the phylum Annelida of the kingdom Animalia.  The body of the…

Q: What is the male reproductive system of frog?

A: Sexual dimorphism is present in frog. During the breeding system, both the male and female frogs…

Q: What are the properties of the multiple ovulution embryo sac?

A: MOET  approach involves the production of multiple ovulation embryo sac which contains flush of…

Q: What is the function of the scrotum?

A: BASIC INFORMATION MALE REPRODUCTIVE SYSTEM The male reproductive system consist of the urethra,…

Q: After the blastula stagewhat is the following stage ofthe embryonic development?What is the passage…

A: The process by which the embryo forms and develops is known as embryonic development. It includes…

Q: Which ovary is functional in birds?

A: Ovary is the female reproductive organ found in lower chordates to higher animals. Ovary produces…

Q: Where in the human assigned female reproductive tract does fertilization of the egg take place?

A: Fertilization is the process in which a sperm and egg are fused together in the uterine tube of the…

Q: What is the advantage of cephalization?

A: Cephalization is an evolutionary process of concentrating the nervous tissues, sense organs and…

Q: Mention function of testis in humans?

A: The male reproductive system contains scrotum, testes, sex glands, penis, and spermatic ducts. All…

Q: What are the different layers of a fertilized T. trichiura? Discuss their respective compositions…

A: Introduction:- Trichuris trichiura (also known as Trichocephalus trichiuris) affects the human…

Q: What is the function of labium?

A: The ancestors of present-day insects were probably worm-like arthropods with a simple mouth starting…

Q: What are the three germ layers formed during gastrulation?

A: Developmental Biology is the field of biology that studies the processes by which multicellular…

Q: What is this condition that results if the fertilized egg fails to descend down to the uterus?

A: Reproduction is the process by which an organism creates more of its own progeny. Reproduction is…

Q: What is the importance of sensory cephalization in animal survival?

A: Cephalization is the process in animals by which nervous and sensory tissues become concentrated in…

Q: How long does it take for the embryo to implant into the uterine wall ?

A: The sperm of male fertilized the ovum of the female results in formation of the zygote. Sperm is…

Q: What is gastrulation? Howduring gastrulation are thefirst two germ layers formed?What are these germ…

A: Reproduction is the process of development of new offspring from the existing organisms. It is of…

Q: What is the outermost layer of the ovary?

A: The female reproductive system performed diverse functions. It produces the ovum also known as an…

Q: What is gonads?

A: Human reproduction is the union of male and female gametes generated in the reproductive system.…

Q: Concerning reproductionwhat is the function of thetesticles?

A: Introduction: Testicles are one of the male reproductive organs called as male gonads. These are…

Q: What is the clitellum, and what is its function?

A: Introduction :-  Earthworm is a terrestrial invertebrate it belongs to the phylum Annelida.  They…

Q: What would happen if a blastocyst implanted into the functional layer of the endometrium and a…

A: It is at the blastocyst stage of development that an embryo would normally move out of the fallopian…

Q: How does the sperm reach upto egg and how does it enter into the egg?

A: Fertilization is the process in which a sperm and egg are fused together in the uterine tube of the…

Q: How strobili are differentiate between male and female?

A: A strobilus is a reproductive structure characterized by overlapping scale-like parts, as a pine…

Q: What is the difference between the testes of shark and frog?

A: Testes are the male reproductive organ that is responsible for producing spermatozoa or male…

Q: Function of urino genital duct in male reproductive system of frog?

A: Vertebrates have spinal cord which remain surrounded by bone or cartilage. Reptiles, birds, fish,…

Q: What is the difference in gastrulation and blastula process?

A: Answer : the difference between gastulation and blastula process is :    Gastulation is the stage of…

Q: How does an estrous cycle differ from a menstrual cycle?In what animals are the two types of cycles…

A: Estrous cycle and menstrual cycle are two essential sexual cycles occurring in animals and these…