Question

Write about the following in 2-3

sentences

a)RBC,WBC, Platelets

b) Arteries and veins

c) Xylem and phloem

d) Magnetic materials

e) Vegetative propagation

f) Budding, fragmentation,

spore formation

e) Unisexual, bisexual flowers.
f)Self pollination and Cross pollination
g) Fertilization and Zygote ​

Answer 1

$\huge{\red{\boxed{\red{\underline{\mathtt{ANSWER}}}}}}$

a) RBC (Red Blood Cells) supplies oxygen in the blood, WBC (White blood Cells) destroys germs or viruses entering in our body to keep us healthy, If we get a cut or a wound, Platelets heals the area, where we have got the cut. All these three are parts of the blood.

b) Artries supplies oxygenated blood to the heart from the lungs. They are thick and deep beneath the human skin.

Veins supplies deoxygenated blood from heart to the lungs. They are thin and are not more deep than artries. We can see them beneath our skin.

c) Xylem and phloem are the parts of plant tissues.

d) Magnetic materials are attracted by a magnet.

e) Vegetative propagation is the method by which most of the plants reproduce.

f) Budding and fragmantation are modes of reproduction.

Answer 2

$\huge\bold\red{ANSWER}$

a) RBC, WBC, veins

RBC-

The blood cells that carry oxygen. Red cells contain hemoglobin and it is the hemoglobin which permits them to transport oxygen (and carbon dioxide). Hemoglobin, aside from being a transport molecule, is a pigment.

WBC-

White blood cells are part of the body's immune system. They help the body fight infection and other diseases. Types of white blood cells are granulocytes (neutrophils, eosinophils, and basophils), monocytes, and lymphocytes (T cells and B cells).

veins-

Veins are blood vessels that carry blood low in oxygen from the body back to the heart for reoxygenation. Arteries and veins are two of the body's main type of blood vessels. These vessels are channels that distribute blood to the body.

b) Arteries and veins

Arteries-

The arteries are the blood vessels that deliver oxygen-rich blood from the heart to the tissues of the body. Each artery is a muscular tube lined by smooth tissue and has three layers: The intima, the inner layer lined by a smooth tissue called endothelium

veins-

Veins are blood vessels that carry blood low in oxygen from the body back to the heart for reoxygenation. Arteries and veins are two of the body's main type of blood vessels. These vessels are channels that distribute blood to the body.

c) xylem and phloem

xylem-

Xylem transports and stores water and water-soluble nutrients in vascular plants.

Phloem-

Phloem is responsible for transporting sugars, proteins, and other organic molecules in plants

d) Magnetic materials

Materials that can be magnetized, which are also the ones that are strongly attracted to a magnet, are called ferromagnetic (or ferrimagnetic). These include the elements iron, nickel and cobalt and their alloys, some alloys of rare-earth metals, and some naturally occurring minerals such as lodestone.

e) Vegetative propagation

Vegetative propagation is an asexual method of plant reproduction that occurs in its leaves, roots and stem. This can occur through fragmentation and regeneration of specific vegetative parts of plants.

F) budding, fragmentation,spore formation

budding-

In the process of budding, a small bud grows on the body of parent organism and when the time comes it detaches itself to form a new organism. .Yeast reproducing by the method of budding.

fragmentation-

Fragmentation, also known as splitting, is a form of asexual reproduction in which an organism splits into fragments. Each fragment develops into a mature clone genetically and morphologically identical to its parent. The organism may develop specific organs or zones to shed or be easily broken off

spore formation-

The method of spore formation occurs in both unicellular and multi-cellular organisms.

g) unisexual bisexual flowers

unisexual-

A "unisexual" flower is one in which either the stamens or the carpels are missing, vestigial or otherwise non-functional. Each flower is either "staminate" (having only functional stamens) and thus "male", or "carpellate" (or "pistillate") (having only functional carpels) and thus "female".

bisexual-

The flowers which contain both male and female reproductive organs are known as full or bisexual flowers. They will self-pollinate themselves. Examples: Tulip, Sunflower and Lily

h) self pollination and Cross pollination

self pollination -

Self-pollination occurs when the pollen from the anther is deposited on the stigma of the same flower, or another flower on the same plant

Cross pollination -

Cross-pollination is the transfer of pollen from the anther of one flower to the stigma of another flower on a different individual of the same species

g) fertilization and zygote

fertilization -

Fertilisation or fertilization, also known as generative fertilisation, insemination, pollination, fecundation, syngamy and impregnation, is the fusion of gametes to give rise to a new individual organism or offspring and initiate its development

zygote-

A zygote is the union of the sperm cell and the egg cell. Also known as a fertilized ovum, the zygote begins as a single cell but divides rapidly in the days following fertilization. After this two-week period of cell division, the zygote eventually becomes an embryo.