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c) 4a is the correct answer

option c is correct answer

In botany, a stoma (also stomate; pluralstomata) is a tiny opening orporethat is used for gas exchange. They are mostly found on the under-surface of plant leaves. Air enters the plant through these openings. Also, water vapor goes into the atmosphere through theseporesin transpiration.

Sheepcheesecomprises about 1.3 percent of the world'scheeseproduction. Some of the world's most famous cheeses were originally made from sheep's milk: Roquefort, Feta, Ricotta, and Pecorina Romano. Sheep's milk is also made intoyogurt,butter, andice cream

25)

Procedure:

A leaf is taken, that has been exposed to sunlight.

The leaf is boiled in boiling water: To make the tissue more permeable to iodine.

Extracting the chlorophyll out of the leaf: For clarity of the iodine test.

The boiled leaf is taken in a test tube and immersed in alcohol.

The test tube is then subjected to water bath.

This process is continued until the alcohol turns green.

The leaf is taken out and kept in a Petri dish.

The leaf is iodine flooded.

If the colour of the leaf turns brown, this signifies the presence of starch in the leaf.

General growthis the growth of body parts of an individual which takes place in the foetus and after birth but sexual maturation occurs when that individual becomes capable of reproduction (produces gametes).Sexual maturationbegins after reaching puberty whichoccurs at a particular agebut general growthtakes place before reaching puberty and even after that.

Secondary sexual characterare the changes that occurs in bothmale and female oncethey reach puberty andhelps in distinguishing between boys and girls.Secondary sexual characters in malesare body hair (in chest, face and pubic region), increased secretion of oil and sweat glands, deepened voice, enlarged penis and broadened shoulders and chest.Secondary sexual characters in femalesare enlarged breasts, widened hips, and growth of pubic hair, high pitched voice and smaller waist than men.

What happens when solar cells are connected in parallel?

The various processes essential for maintaining life arenutrition,respiration,transportation,excretion,controland coordination.

let 3:2 be 3x and 2x . let another side of triangle be x . so , 3x +2x = 32 . so 5x = 32 , x = 32÷ 5 = 6.4 cm . ,in isosceles triangle 2 sides are equal . ratio of equal side 3:2 = 6.4 cm . so are is 20.48 cm square

a. Speed : A powerful computer is capable of executing about 3 million calculations per second.Accuracy : A computer's accuracy is consistently high; if there are errors, they are due to errors in instructions given by the programmer.Reliability : The output generated by the computer is very reliable as long as the data is reliable.Memory/Storage Capacity : The computer can store large volumes of data and makes the retrieval of data an easy task.Versatility: The computer can accomplish many different things. It can accept information through various input-output devices, perform arithmetic and logic operations, generate a variety of outputs in a variety of forms, etc.

Name two supercomputer made in India

1)3.5 is the correct answer

Naphthalene will give a yellow sooty flame because they are unsaturated. Unsaturated compounds generally give out yellow sooty flame. Like naphthalene there are many other objects like camphor, alcohol etc

c) biogas as it used in stove.

thanking you for your reply

fig A shows sclerenchyma fig B shows parenchymafig C shows collenchyma

b) Ae) Ad) Cc) A

All the statements are correct.

option (iv)

How can cataract be removed?i. Surgeryii. Medicineiii. Intake Protein and vitamin rich foodiv. All of the above

Deoxyribonucleic acid is a molecule composed of two chains that coil around each other to form a double helix carrying the genetic instructions used in the growth, development, functioning and reproduction of all known living organisms and many viruses.

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2

3

Thank you

A joint is usually formed of fibrous connective tissue and cartilage. Joints are grouped according to their type of motion: ball-and-socket joint; hinge joint; condyloid joint, which permits all forms of angular movement except axial rotation; pivot joint; gliding joint; or saddle joint.

a)Ligamentsconnect the ends of bones together in order to form a joint.b)the iris of the eye consists ofsmooth fibroustissue along with blood vessels. Thesesmoothtissues are also known asciliarymuscle.

1-connective tissue2-,fibrous tissues called ciliary muscles

ligaments contacts two bones and the iris of the eye consists of smooth fibrous tissue along with blood vessels these tissues are also know as ciliary muscle

Thesunriseisadvanceddue to atmospheric refraction of sunlight. An observer on the earth sees the sun two minutes before the sun reaches the horizon. A ray of sunlight entering the earth's atmosphere follows a curved path due to atmosphere refraction before reaching the earth

if u want all the answer of this all question then contact me on Instagram (anucutie_pie)

please ask only one question

coconut husk is made up of schelerenchymatous tissue

muscle tissue is the answer.

but why?? can give me explanation

The collenchyma has deposition of extra cellulose at the cell that provides structural support.Collenchymacell walls are unevenlythickened. When thethickening occursat the corners where cells are joined it is called angular. Lamellarcollenchymahas thickenings on their tangential walls, which are parallel with the surface. Lignin is usually notpresent in collenchyma.

a)Mucus is secreted by the stomach wall because the hydrochloric acid secreted by gastric glands is corrosive in nature.So the secreted mucus prevents the inner wall of the stomach from corroding.

b)The rate of respiration in aquatic animals is higher than that of the terrestrial animals because the amount of dissolved oxygen in water is less than the amount of oxygen in air.So in order to compensate the requirement of oxygen these animals breathe quickly.

c)Arteries have thick and elastic walls because the blood from heart comes with higher pressure.In order to prevent it from rupturing the walls of arteries are thick and elastic.

Answer of 1st is C2nd C

thanks so much

Chloroplasts are organelles found in plant cells and eukaryotic algae that conduct photosynthesis. Chloroplasts absorb sunlight and use it in conjunction with water and carbon dioxide gas to produce food for the plant.

Voltage drop across the Silicon diode=Vd=0.7V( the in-built barrier voltage)

Option(a) is correct.

Voltage drop across a silicon diode is 0.7Vhence option a

(a) 0.7Vis a correct answer

(a) 0.7Vis a correct answer

Parenchyma is a kind of tissue in plants which are composed of living cells.These cells have unspecialized structure and are very thin walled. Parenchyma tissue have extensive spaces between the cells.Characteristics of Parenchyma:1. The cell walls are thin.2. These cells are living.3. Cells of the tissue are unspecialized, that may be oval, round or may be elongated in shape.4. They form basic packing tissue.These are some of the characteristics of Parenchyma.

Parenchymais known to be asimplepermanenttissuebecause it does not contain different types of cells. As the cells of the permanenttissuedo not have the ability to divide so the cells are specialized to perform specific functions which are subdivided into groups.

Parenchymais known to be asimple permanenttissuebecause it does not contain different types of cells. As the cells of the permanenttissuedo not have the ability to divide so the cells are specialized to perform specific functions which are subdivided into groups.

Parenchymatissuewith chloroplasts is calledchlorencyhma.

The perenchyma tissue is present in leaves , fruilts and flowers of the plants. ( growing parts)

ParenchymaI) they provides support and stores food.II) parenchyma containing chrolophyll is callef chlorenchyma which helps in photosynthesis.III) in aquatic plants their are a lot of air spaces present in the parenchymatic cell, such a tissuse is known as aerenchyma. it provides buoyancy to the plants.

Syconciliata are creamy yellow in color and delicate-looking. Their bodies are arranged in the asconoid system, which is a simple tube with no folding of the outer body wall. They range from1-3cm in height. Hairy, needle-like spines (called spicules) cover their bodies.

Sea starsare characterized by radial symmetry, several arms (5 or multiplied by 5) radiating from a central body. Mouth and anus are close together on the underside, the anus is at the center of the disc together with the water intake (madreporite).

The muscles are fibrous, dense tissues, whose primary function is to allow the body to move by repeated contraction and relaxation.Besides movement, the muscle is also responsible for maintaining posture, stabilizing the joints, and producing body heat through muscle function.

The striated muscle is also known as the skeletal muscle, because it is attached mainly to the bones and skin, and is responsible for the mobility of the body and limbs.

The movement of striated muscle is controlled voluntarily, unlike the smooth muscle of the internal organs and the cardiac muscle of the heart, which are involuntary.

While tadpoles lack limbs and possesslongtails, adult frogs on the other hand have two hind limbs and two fore limbs. The hind limbs are exceptionally powerful and this, together with their webbed feet helps them to jump great distances and swim. Adult frogs have a more developed bony skull and form a defined tongue that can be used for feeding.

Selection of parents:Mendel selected true breeding pea plants with contrasting characteristics for his experiment. True breeding plant is the one that produces an offspring with the same characteristics on self-pollination. For example, a tall plant is said to be true breeding when all its progeny formed after self-pollination are tall.

Production of F1plants:F1generation is the first filial generation. It is formed after crossing the desirable parents. For example, Mendel crossed a pure tall pea plant with a pure dwarf pea plant. All F1plants were found to be tall.

Results of self-pollination of F1plants:Mendel found that on self-pollination of F1plants, the progenies obtained in F2generations were not all tall plants. Instead, one-fourth of F2plants were found to be short.

Mendel’s explanation for the reappearance of the short trait:

From this experiment, Mendel concluded that F1tall pSelection of parents: Mendel selected true breeding pea plants with contrasting characteristics for his experiment. True breeding plant is the one that produces an offspring with the same characteristics on self-pollination. For example, a tall plant is said to be true breeding when all its progeny formed after self-pollination are tall.

Production of F 1 plants: F1 generation is the first filial generation. It is formed after crossing the desirable parents. For example, Mendel crossed a pure tall pea plant with a pure dwarf pea plant. All F1 plants were found to be tall.

Results of self-pollination of F 1 plants: Mendel found that on self-pollination of F1 plants, the progenies obtained in F2 generations were not all tall plants. Instead, one-fourth of F2 plants were found to be short.

Mendel’s explanation for the reappearance of the short trait:

From this experiment, Mendel concluded that F1 tall plants were not true breeding. They were carrying both short and tall height traits. They appeared tall, because tall trait was dominant over short trait.

Dominant trait: It is a trait or characteristic, which is able to express itself over another contrasting trait. For example, tall plants are dominant over short plants.

Recessive trait: It is a trait which is unable to express its effect in the presence of the dominant trait.

Mendel represented the dominant trait as upper case T (i.e. T for tallness), and the recessive trait as lower case t (i.e. t for shortness). These traits are actually the genes present in the chromosomes of a cell. plants were not true breeding. They were carrying both short and tall height traits. They appeared tall, because tall trait was dominant over short trait.

Dominant trait:It is a trait or characteristic, which is able to express itself over another contrasting trait. For example, tall plants are dominant over short plants.

Recessive trait:It is a trait which is unable to express its effect in the presence of the dominant trait.

Mendel represented the dominant trait as upper caseT(i.e. T for tallness), and the recessive trait as lower caset(i.e. t for shortness). These traits are actually the genes present in the chromosomes of a cell.

as I found, the best example of adaptive radiation is Darwin finches, found in Galapagos Island.

adaptive radiationisanevolutionary process that produces new species from a single, rapidly diversifying lineage. ...An example of adaptive radiationis Darwin finches, found in Galapagos Island.