Name the two indicated structures below the arrow, seen here in the Pinus ovule.

Q: What is polyspermy? What are the processes involved to prevent polyspermy occurring?  Explain in…

A: Introduction :- Polyspermy is a term used in biology to describe the fertilisation of an egg by more…

Q: Please label the following.

A: The menstrual cycle is the logical term for the physiological changes that happen in prolific ladies…

Q: Explain block to polyspermy?

A: Polyspermy: - It is the process, where egg has been fertilized by so many sperms. In this condition…

Q: 8. Name the two indicated structures below the arrow, seen here in the PinuS ovule.

A: Plants are majorly divided into 2 types they are vascular plants and on vascular plants. Non…

Q: Which of the following structures secretes the hormone that sustains the corpus luteum during the…

A: Corpus luteum is a temporary endocrine structure involved in ovulation and early pregnancy.  The…

Q: Name the three primary germ layers and explain how they develop in the embryonic disc?

A: Once the implantation has successfully taken place, the cells start to divide and develop into an…

Q: Explain female strobili?

A: Male and female reproductive organs are different in plants. These can easily be distinguished from…

Q: Define amniocentesis

A: During pregnancy, several procedures and tests are done by medical practitioners. These tests help…

Q: Describe two ways that an oocyte avoids polyspermy.

A: The fertilization of the egg takes place by the fusion of the sperm and the ovum. Sperm is produced…

Q: How is polyspermy prevented?

A: Polyspermy is the process by which multiple sperms fertilize a single egg. This happens in only 1%…

Q: What is the direction of the ovule in these figures?

A: The female reproductive cells of plants are ovule, which has 3 components-integuments, the nucleus,…

Q: what is the innermost menix?

A: The controlling and communication center of the human body is known as the brain. The brain…

Q: Name a mature ovule containing the embryo.

A: The plant embryo is a part of the bud that consists of the earliest forms of leaves, stems, and…

Q: 11

A: In the fetal pig, the heart was enclosed in a pericardial cavity, with the right and left lungs on…

Q: Define Preprophaseband

A: Mitosis is a process in the cell, where a single cell divides in two identical  daughter cells. The…

Q: : 1. Neural Crest Cells 2. Somites 3. Stem Cells

A:

Q: Name the structure that connects the placenta with the foetus.

A: Placenta is formed after implantation of the embryo has occurred on the uterine wall. It is the…

Q: Name the structure that hold the testis in position.

A: Male reproductive system is responsible for the production of gametes i.e., sperms to carry out…

Q: Using the numbered terms below, fill in the blanks with the appropriate number (**type 1 or 2 in the…

A: Flowers are of different types on the basis of different characteristics of their whorls. Flowers on…

Q: What is the position of the ovary in these figures?

A: Depending on the positions of ovary in flowers, they can be categorized in 3 different ways,…

Q: 11 Y 12. 13.

A: In the case of angiosperms (flowering plants), the term ovary refers to the part of a flower’s…

Q: Define inguinal

A: The abdominopelvic region is the cavity present beneath the diaphragm and houses parts of the…

Q: Why is there the need for two separate mechanisms to complete the neural tube?

A: Neurulation is the process of the formation of a neural tube. This occurs by transforming the neural…

Q: What is the acrosome?

A: A spermatozoon is motile sperm cells or moving from of the haploid cells that is the male gamete. A…

Q: 「”の” 11 Y

A: Flowers: It’s all about pollen and pollination. When an animal or an insect like the bee carries…

Q: Give the name of the structure that the phrase describes. The fetus first doubles in size between…

A: Embryology is the study of the early development of animals from the fertilized egg to the…

Q: the middle menix is the?

A: Central nervous system comprises of two main parts namely brain and spinal cord. Brain has several…

Q: Which of the following rows correctly identifies the source of placental formation?

A: During pregnancy, the placenta attaches the developing fetus to the uterine wall of the mother. It…

Q: Identify the ovarian follicles that develop before birth and those that form after puberty.

A: The spherical cellular aggregation or follicles that are found within the ovaries of a female are…

Q: Define acrosome

A: Sperm cells are the smallest human cells and are nothing but nucleus with a small amount of…

Q: Name the structure formed by the villi of the embryo and the uterus of the mother.

A: The uterus or womb is a major female hormone-responsive secondary sex organ of the reproductive…

Q: Explain the importance of calcium in internal and external fertilization.

A: The fusion of gametes, mainly from two opposite sexes, is referred to as fertilization. The…

Q: Name the other two membrane except primary membrane present outside the mature ovum.

A: The egg cell is the female gamete and upon fertilization with the sperm forms the zygote. It is…

Q: draw testes with color

A: The testes (or testicles) are a try of sperm-producing organs that maintain the health of the male…

Q: 2

A: The ovary is part of the female reproductive system. It is an organ that has ova (eggs). These ova…

Q: Describe how the following components relate to the placenta: umbilical arteriescotyledons, fetal…

A: When an egg is fertilised, it separates into two parts: the embryo and the placenta, which grows…

Q: Define term Homosapiens

A: Charles Darwin stated that the evolution of man would take not thousands of years but millions of…

Q: Demonstrate auscultation sites in the thorax andabdominopelvic region.

A: Auscultation is a vital aspect of a respiratory system examination, as well as a heart and…

Q: Name the four processes that are fundamental toanimal development, and describe each of them in a…

A: Animal development is a complex process where life begins from a single-celled zygote and becomes…

Q: Name the condition in which testis fail to descend into the scrotum and are retained within abdomen.

A: The primary reproductive organs include testes in males and ovaries in females. They are concerned…

Q: 5 2₁

A: Frogs are amphibians that can live on land as well as in water. Frogs are recognized for their slimy…

Q: explain how polyspermy is blocked

A: Polyspermy is the fertilization of an ovum by more than one sperm. It is prevented by mechanisms…

Q: 10. Ꮽ 11, 5

A: Introduction The ovary is a female reproductive system organ that contains multiple eggs (Ovum).…

Q: 5

A: Answer cat ovary with labelling

Q: explain PEV with example

A: A gene is the basic physical and the functional unit of heredity. Genes are made up of the DNA. Some…

Q: Define fertilization.

A: Embryonic development is also known as embryogenesis. This process includes the formation and…

Q: Name the depression present between folds of labia majora and labia minora.

A: The female reproductive system is composed of the internal and external sex organs that function in…

Dissection

Dissection is the process of cutting up the tissue of a dead or live animal or plant, to do anatomical studies and surgical treatments. The purpose of dissection is to learn more about the overall structure of organs and organ systems and thereby understand the physiology of the organism.