Explore topic-wise InterviewSolutions in Current Affairs.

ANSWER:

If we plant TREES we can GET rain easy & for different uses

Mechanical support is PLANTS is defined as a support provided to protect against the harsh external conditions

There rare specialized cells CALLED collenchymas cells and sclerenchyma cells that provide mechanical support to plants.  

These cells have THICK rigid walls that make up a thick uniform layer AROUND the MARGIN of the leaves. Sclerenchyma cells are present in stems where as collenchymas cells are present in leaves.

Viral infection which is caused by virus takes over the cells and lasts as long as it WANTS to nothing can cure it butter relief can be had
There are no such major effects and it depends on type of disease too
Usually it GETS longer but they are ACUTE DISEASES only

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Answer:

BOTANICAL garden is for FLOWERS and zoological park is for ANIMALS and biodiversity is for both animals and PLANTS

ANSWER:

CARTILAGE

EXPLANATION:

a cartilage is FLEXIBLE and is not a BONE

Answer:

pedicel, pedicle. a small STALK bearing a single flower of an INFLORESCENCE; an ultimate division of a COMMON peduncle. Type of: stalk, stem. a slender or ELONGATED structure that SUPPORTS a plant or fungus or a plant part or plant organ.

Explanation:

ANSWER:

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Can’t UNDERSTAND the QUESTION

Answer:

binary FISSION means division of two parts of a PARTICLE , substance or MICRO organism

Explanation:

diagram of division of CELLS

Answer:

Subcutaneouss route is BETTER than INTRAVENOUS route because

•it can be self-administered by the patient.

•improved quality of life.

•improved patient compliance.

•decreased cost.

•low RISK of systemic infection.

•least painful of the parental administration route

Answer:

As we GO from SPECIES to kingdom the no of COMMON characteristics goes decreasing. lower the Texas more are the characteristics that are the members within the taxon share. HIGHER the category, greater in the DIFFICULTY of the determing the relationship to the other taxa at same level

Answer:

Hormones released from posterior pituitary are hypothalamus in NATURE......

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ANSWER:

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@heya dear!!

(I)Fabaceae:-

• This family was earlier called papilonoideae, a subfamily of family leguminosae.

vegetative characters:-

• Trees, shrubs, herbs; root with root nodules

Stem:-

• erect or climber

Leaves:-

• alternate, pinnately compound or simple

Floral characters:-

(i) Infloresence-- racemose

(ii) Flower-- bisexual, zygomorphic

(iii) Calyx-- Sepals(5), gameosepalous, imbricate aestivation

(iv) COROLLA-- petals (5), polypetalous,

(v) Androecium-- ten, diadelphous

(vi) Gynoecium-- Ovary superior, mono carpellary,

(vii) Fruit-- legume, non-endosprmic

Economic importance:--

many plant belonging to this family are the sources of PULSES (gram, arhar, sem, moong, soyabean,)

DYE (indigofera).......

(II)Solanaceae:-

• It is a large family, commonly called as potato family.

Vegetative characters--

plant mostly herbs, shrubs, and small trees.

Stem-- herbaceous rarely woody, cylindrical

Leaves-- alternate, simple, pinnately compound

Floral characters--

(i) Inflorescence-- solitary, axillary

(ii) Flower-- bisexual, actinomorphic

(iii) Calyx-- sepals five , united,

(iv) Corolla-- petals five , united

(v) Androecium-- stamen (5), epipetalous

(vi) Gynoecium-- bicarpellary, syncarpous, ovary superior

(vii) Fruit-- berry or capsule

(viii) seeds-- many, endospermous

Economic importance--

many plant belonging to this family are the sources of food (Tomato, brinjal, potato) ; spice (CHILLI); medicine (belladona)......

(III)Lilaceae:-

• commonly called as the Lily family is a characteristic representative of monocotyledonous family.

Vegetative characters---

• Leaves-- mostoly basal, alternate, linear,

Floral characters--

(i) Inflorescence-- solitary/cymose ; often umbellate clusters

(ii) Flower-- bisexual; actinomorphic

(iii) Perianth-- tepals (3+3); valvate aestivation

(iv) Androcium-- stamen (3+3)

(v) Gynoecium-- Tricarpellary , syncarpous, axile placentation

(vi) Fruit-- capsule, rarely berry

(vii) Seed-- endospermous

Economic importance--

many plant belonging to this family are good ornamental (tulip, Gloriosa) source of medicine( Aloe)

vegetables( colchicum AUTUMNALE).....

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ANSWER:

PARAMECIUM caudatum is lagest PROTOZOA

Answer:

yes the FIRST answer is RIGHT . (1) OPTION

Answer:

The structure of the lipid bilayer allows small, uncharged substances such as oxygen and carbon dioxide, and hydrophobic molecules such as LIPIDS, to pass through the cell MEMBRANE, down their concentration GRADIENT, by SIMPLE diffusion.

Answer:

9:3:3:1.. ...... YELLOW:BROWN: brown: GREEN

ANSWER:

Peas belong to dicotyledonous PLANTS. Jowar also can be placed in PHANEROGAMS and in angiosperms. But jowars are monocotyledons. Fern do not PRODUCE seeds so they can be KEPT under cryptogames and in pteridophytes.

ANSWER: EXPLANATION:Chemical coordination occurs in plants with the help of fluids secreted in plants known as phytohormones or plant hormones. ... For example auxin is responsible for the growth of the plants and CYTOKININ helps in cell division in the fast growing part of the plant such as plant hormones.

ANSWER:

ANGIOSPERMS & GYMNOSPERMS resemble

siphonogamy

ANSWER:

CHEMICAL coordination in PLANTS

Explanation:

they OCCURRED in Plants with the HELP of fluid secreted in Plants known as plants hormones

Answer:

Explanation:

Different plant hormones help to coordinate growth, development and responses to the environment. They are synthesised at places away from where they act and simply diffuse to the AREA of action.The IMPORTANT plant hormones are auxins, cytokinins, gibberellins, abscisic acid and ethylene.

Auxins promote STEM elongation (by promoting cell elongation) and inhibit growth of lateral buds (maintains apical dominance).

Cytokinins promote cell division.

Gibberellins stimulate cell division and elongation in plants.

Abscisic acid inhibits growth. It promotes seed dormancy by INHIBITING cell growth. Its EFFECTS include wilting of leaves.

Ethylene is a gaseous plant hormone that stimulates fruit ripening and the dropping of leaves.

ANSWER:

CHARACTERISTICS of ANGIOSPERMS is DOUBLE FERTILISATION

Answer:

Organelles, called plastids, are the main sites of photosynthesis in eukaryotic cells. Chloroplasts, as well as any other pigment containing cytoplasmic organelles that enables the harvesting and conversion of light and carbon dioxide into food and energy, are plastids. Found mainly in eukaryotic cells, plastids can be grouped into two distinctive types depending on their membrane STRUCTURE: primary plastids and secondary plastids. Primary plastids are found in most algae and plants, and secondary, more-complex plastids are typically found in plankton, such as diatoms and dinoflagellates. Exploring the origin of plastids is an exciting field of research because it enhances our understanding of the basis of photosynthesis in green plants, our primary food source on planet Earth.

Primary Plastids and Endosymbiosis

Where did plastids originate? Their origin is explained by endosymbiosis, the act of a unicellular heterotrophic protist engulfing a free-living photosynthetic cyanobacterium and retaining it, instead of digesting it in the food vacuole (Margulis 1970; McFadden 2001; Kutschera & Niklas 2005). The captured cell (the endosymbiont) was then reduced to a functional organelle bound by two membranes, and was transmitted vertically to subsequent generations. This unlikely set of events established the ancestral lineages of the eukaryote supergroup "Plantae" (Cavalier-Smith 1998; Rodriguez-Expeleta et al. 2005; Weber, Linka, & Bhattacharya 2006), which includes many photosynthetic algae and land plants.

The idea of endosymbiosis was first proposed by Konstantin Mereschkowski, a prominent Russian biologist, in 1905. He coined the term "symbiogenesis" when he observed the symbiotic relationship between fungi and algae (Mereschkowski 1905). The term "endosymbiosis" has a Greek origin (endo, meaning "within"; syn, meaning "with"; and biosis, meaning "living"), and it refers to the phenomenon of an organism living within another organism. In 1923, American biologist Ivan Wallin expanded on this theory when he explained the origin of mitochondria in eukaryotes (Wallin 1923). However, not until the 1960s did Lynn Margulis, as a young faculty member at Boston University, substantiate the endosymbiotic hypothesis. Based on cytological, BIOCHEMICAL, and paleontological evidence, she proposed that endosymbiosis was the means by which mitochondria and plastids originated in eukaryotes (Sagan 1967; Margulis 1970). In those days, the research community viewed her unconventional idea with much skepticism, but her work was eventually published in 1967 (Sagan 1967) after being rejected by fifteen scientific journals! Today, endosymbiosis is a widely accepted hypothesis to explain the origin of intracellular organelles.

Besides these original and bold ideas, what ELSE have we learned? Since 1990 we have seen rapid advancement in techniques in molecular biology and bioinformatics. Using molecular phylogenetic approaches, numerous comparative studies have demonstrated the cyanobacterial origin of genes encoded in the Plantae plastid and provide evidence for gene transfer from the endosymbiont genome to the "host" nucleus (Bhattacharya & Medlin 1995; Delwiche 1999; Moreira, Le Guyader, & Phillippe 2000; McFadden 2001; Palmer 2003; Bhattacharya, Yoon, & Hackett 2004; Rodriguez-Ezpeleta et al. 2005; Reyes-Prieto, Weber, & Bhattacharya 2007). These studies complement several independent lines of evidence based on protein transport and the biochemistry of plastids (McFadden 2001; Matsuzaki 2004; Weber, Linka, & Bhattacharya 2006; Reyes-Prieto & Bhattacharya 2007). The establishment of primary plastids in eukaryotes is estimated to have occurred 1.5 billion YEARS ago (Hedges 2004; Yoon et al. 2004; Blair, Shah, & Hedges 2005), but dating such an ancient event based on molecular data remains controversial due to the limited support provided by the fossil records (Douzer et al. 2004).

Whereas endosymbiosis involving a cyanobacterium explains the establishment of primary plastids in Plantae, the story is more convoluted in other photosynthetic eukaryotes, which harbor secondary plastids with more complex structures. The plastids found in Paulinella chromatophora (a filose amoeba) are an exception to the rule. These organisms are derived from a far more recent cyanobacterial primary endosymbiosis that occurred about 60 million years ago (Bhattacharya, Helmchen, & Melkonian 1995; Marin, Nowack, & Meklonian 2005; Yoon et al. 2006). This plastid traces its origin to a cyanobacterial DONOR of the Prochlorococcus-Synechococcus type (Yoon et al. 2006). The closely related Paulinella ovalis, although lacking a plastid, is an active predator of cyanobacteria that are commonly localized within food vacuoles (Johnson, Hargraves, & Sieburth 2005). Therefore, the cyanobacterium-derived plastid in the photosynthetic P. chromatophora provides an independent example of the phagotrophic origin of a primary plastid.

Explanation:

The skin is the largest organ of the body, with a TOTAL area of about 20 SQUARE feet. ... The epidermis, the OUTERMOST layer of skin, PROVIDES a waterproof barrier and creates our skin tone.

It's because high rates of breathing increases the OXYGEN supply to the heart which helps to MEET the energy requirements of the BODY and it speeds up the respiration process. For further needs anaerobic reapiration STARTS.

ANSWER:

Sweet potato is a modified food storage root, of fibrous ROOTS. Yes potato is a stem which grows on UNDERGROUND stems which are called stolons. Potato tubers have buds that SPROUT leaves and stems from them while roots do not posses these properties. While sweet potato is root filled with food.

Answer:

0.5kg is the THIRD PART MASS

Parenchyma SINGLE layered cell.leafs are MADE of SIMPLE parenchyma CELLS.

EXPLANATION:

i hope it will DEFINITELY help you and plz tell if it's wrong somewhere ELSE

Answer:

-PLANTS are kept under human care

-they can provide plant PARTS for MEDICINAL purpose

-they make their study EASIER

ANSWER:

Conservation biology is the management of nature and of Earth's biodiversity with the AIM of protecting species, their habitats, and ecosystems from excessive rates of extinction and the erosion of biotic interactions.It is an interdisciplinary SUBJECT drawing on natural and social sciences, and the practice of natural resource management.

Explanation:

With a few simple habit CHANGES and pro-active actions, you can reduce your adverse impact on the environment and encourage local biodiversity.

Help NATIVE Pollinators. ...

Reduce or eliminate pesticides and fertilizer. ...

Restore habitat in your yard. ...

Restore habitat in your community. ...

Reduce your consumption.

hope it will help you

Answer:

LACTASE ENZYME HELPS in pasteurization of MILK

Answer:

is HIGH FREQUENCY HEARING LOSS a DISABILITY

Answer:

Penguins are normally habitat to live in the cold environment with ice FROZEN PLACE .But when is shifted from their place to ANOTHER environment like jijamata udyan in Mumbai where the climate is very so they need to acclimatice in that environment to SERVICE in the new environment .In the Mumbai the climate is very hot and also humid so the Penguins need to take some TIME to adjust the place

Answer:

A stem cell is a cell with the unique ability to develop into SPECIALISED cell TYPES in the body. In the future they MAY be used to replace cells and tissues that have been damaged or lost due to disease.

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ANSWER:

DECAY is not a PROPERTY of LIVING BEINGS

Answer:

cell is the functional and basic unit of life and discovered by Robert brown thru his MICROSCOPE though he saw the DEAD cell in the CORK .the first living cell was sawed by Anton van leeuwenhoek. Cell helps to perform basic functions like respiration, digestion, EXCRETION, reproduction,ETC.

Also the cell arise from the pre-existing cell.......

EXPLANATION:

I HOPE this will HELP you...

Answer:

in FIRST word you can se 4 like iv

so number it

first vi (4 )monkey

fiv see pronouncement, FIVE =cats

then in visna see first 2 LETTERS vi(6) sheep

and , remember goat any ways

use your mind BRO

don't have TIME SORRY PLEASE

Explanation:

The reason for the rise in the SUGAR solution is osmosis. This movement of water MOLECULES towards the higher concentration solution through a MEMBRANE is osmosis. The potato CELL membrane ACTS as the semi-permeable membrane.

ANSWER:

OPTION B is the RIGHT answer

EXPLANATION:

some FOOD which are not digestible are

are SENT to the kidney. from to the ANUS. this is the formation of urine

Explanation:

the main site for urine formation is kidney which plays a main part in EXCRETORY system. nephron a tubular structure inside kidney helps in the filteration of blood.the DEOXYGENATED blood is brought into glomerulus in Bowman's capsule by renal vein. the blood get filterated in glomerulus (a large amount of blood capillaries) into glomerular filterate which contains glucose , amino acid , urea , uric acid and large amounts of water (180 litres). the pure blood is carried back into the body by renal artery .the essential MATERIALS like glucose , amino acid and large amounts of water is reabsorbed inside the nephron. the balance filterate containing urea , uric acid and water is called urine. it passes into collecting tube where they reach urinary bladder ( a sack made of muscles , it's both voluntary and non voluntary ) through ureters ( a PAIR of tube that carries urine to urinary bladder). after urinary bladder is filled completely , it contracts and the urine is urinated through URETHRA out of the body.

EXPLANATION:

Parenchyma, in plants, tissue typically composed of LIVING cells that are thin-walled, unspecialized in structure, and therefore ADAPTABLE, with DIFFERENTIATION, to various functions.

Answer:

earthworm.

it helps HUMANS in agriculture

i HOPE this answer is useful and if it is WRONG. i APOLOGIZE