answer this

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even i have read is it is there?

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well...i dont know if its in syllabus...but if u r usin concise den its given in it...in Chp4 when they talk about importance of turgor...i guess it is der..

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doesnt make any sense
how come o2 be light

the answer Ifeel is that algal plants require sunlight so.................
they come up.....

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Ya Mehta93
that's rite
I dia study this in VIII
but 4got abt it Wink

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Well although our ICSE papers are concentrated on application but i dont think under any dooms' day will such a question pose a problem to us because papers are set for average students
( not intended to call anyone average Crying or Very sad

)
.... rather a person who scores average .... so papers are supposed to be easy! study well score good nd then relax! cheers

NotE: Username changed from Mehta93 to JiGaR!! Exclamation

RELAX~ or ur in to get a NeRvOuS affraid

BreAkdOWn!!~~ lol!

Best Of Luck! What a Face

---$@% Jigar %@$--- bounce

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TEST:

SCIENCE 3 (BIOLOGY)

Total Marks: 20
Time: 15 MINUTES
(ideally you should take less then 15 minutes for such easy questions)
BY JIGAR

------------------------------------------------------------------------------------------------------------------

Q.1 Answer as directed:

(i) example: White Blood Cells and ______________.
Ans: Phagocytosis

Diapedesis and _____________.

(ii)Kidney:Nephron::Testis:_________::Brain:_______ [3]

Q.2 Lachrymal gland secretion (Tears) contain ______ that kill germs. [1]

Q.3 Is the Oviducal Funnel lined with cilia, and if yes then why? [2]

Q.4 Explain/Define the terms: (i)Linkage(ii) Point Mutation(iii)Quantasome(iv)Heterozygous Dominant [4]

Q.5 Differentiate between Variation and Mutation AND Gametic Meiosis and Zygotic Meiosis [2]

Q.6 Why are most green leaves thin and broad? [2]

Q.7 Which is a sex-hormone out of the given? (Aldosterone, Cortisol and Androgens) [1]

Q.8 True or False: (And if false change, the underlined word with the correct answer only)

Centrosome help in intracellular digestion
To extend relief to victims of earth quakes is an activity of the Red Cross [2]

Q.9 Find the odd one out and state a valid reason for your answer: FSH, TSH, ACTH, ADH [1]

Q.10 Match the following:

A

Muscular Movement
Photolysis Of Water

B

Calvin Cycle
Hill Reaction
Creb's Cycle
Sebum
Pons
Cerebellum
Cerebrum [2]

--------------------------------------------------------------------
lemme see who out these geniuses DO NOT score 20/20

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thanx jigar 4 ur tipzzzzzzzzzz Smile

well best of luck to all of u Wink

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ur always welcome dear! Smile

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Last Test coz i m tired typin whole day today!!~~ nd a comparatively easy paper: BOARD TYPE SECTION A
Itz okay if you dont post these many answers just make sure u knw all dese coz our paper will be as easy as this!!~~
TEST 2 :

SCIENCE 3 (BIOLOGY)

Total Marks: 40
Time: 35 MINUTES
(ideally you should take less then 35 minutes for such easy questions)
BY JIGAR

------------------------------------------------------------------------------------------------------------------

Q.1 a) Complete the following [5]

i)In Photophosphorylation ........... is synthesized
ii)Corticods are secreted by.............
iii)Chiasmata are indicators of.................................
iv).............is a sex-linked trait
v)Stroma is the ground substance in.....................

b)Name the following: [5]

i)The phase of mitosis where the centrioles divide and move towards the poles
ii)The science that deals with heredity
iii)The chemical used to remove CO2 from entering a control experiment in photosynthesis
iv)The process in which chromosome number is restored
v)The part of the brain which controls body temperature

c)State whether the following are true or false and if false correct the sentence by changing the incorrect word only [5]

i)A cell is plasmolysed when it is placed in the hypotonic solution
ii)When the air is humid transpiration becomes faster
iii)The common term for both sperm and egg is called zygote
iv)Identical twins develop from two different embryos
v)Grey matter of brain consists of cell bodies of neuron

d) Match the following [5]

Cerebrospinal fluid, Cretinism, Lachrymal Gland, etlion, Polythene Sheet

Options:

Impermeable Membrane
Cuticle
Permeable Membrane
Lenticels
Yellowish-Brown in colour
Green in colour
Calvin's cycle
Hill reaction
Brain
Tear
Cerebellum
Cerebrum
Thyroxine
Sebum

e) Put the terms in a logical sequence & find the incorrect term(s) and replace it with the correct term: [5]

i)Ear Drum->Auditory Canal->Pinna->Brain->Optic Nerve->Cochlea
ii)Ovary->Urethra->Vas Deferens->Egg
iii)Dorsol Root Ganglion->Effector->Sensory Neuron->Motor Nerve
iv)Adrenaline->Pituitary->Hypothalamus->Thyroid
v)Leaves->Root Hair->Phloem->Endodermis

f)State Location And Two Function of each of the following: [10]
i)Pituitary Gland
ii)Hyaluronidase
iii)Seminal Vesicle
iv)Ciliary Muscles
v)Pons

g) Define the following: [5]
i)Turgor Pressure
ii)Myopia
iii)Exocrine Glands
iv)Hyaluronidase
v)Allele

guys
plz reply if not appreciation sumthing or d otherbut do reply yaar!!~~
nd im gonna post such 2 papers for each subject from know on:!!~~~if u
think itz fyn! cyclops

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jigar...i had replied to the previous paper..somewhere else...dunno where...check it out...

plz answer for the matching pair for cretinism..and what is sebum?? Hyaluronidase? whats this?

and.. answer for part e-ii,iii and iv

thank you..

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cretinism->thyroxine
sebum:
A thick substance that is secreted by
sebaceous glands that consists of fat and cellular debris.

The sperm secretes an enzyme hyalurodinase..it facilitates the entry of sperm into the egg by dissolving the wall of the ovum

e ii ovary-> egg-> oviduct-> uterus
e iii motor nerve-> ventral nerve-> sensory nerve->effector
e iv hypothalamus->pituitary->thyroid->thyroxine

nd ur always welcome

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hey wait....sensory nerve conducts impulses frm receptor to cNS...so, how did you put it before effector? Suspect

so, hyalurodinase...location-sperm?acrosome? funtion...to dissole the wall of the ovum..and entry of sperm...????

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yes on the acrsome is d release

its d order to pick up ur hand from burning candle nd not the pain sense from effector to motor nerve itz ulta d effect of the sent sense !!