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Question : State Allen's rule.

Question : State Allen's rule

Question : State a reason for the increased population of dark coloured moths coinciding with the loss of lichens (on tree barks) during industrialization period in England.

Question : State a difference betweena gane andandallele.

Question :State a comparison between the behaviour of chromosomes and Genes.

Question : Starting with zygote, draw the diagrams of the different stages of embryo development in a dicot

Question : Starting from the innermost part, the correct sequence of parts in an ovule are

Question : Starting point ofCalvin cycle is:

Question : Starting from the innermost part, the correct sequence of parts in an ovule are(A) egg, nucellus, embryo sac, integument(B) egg, embryo sac, nucellus, integument(C) embryo sac, nucellus, integument, egg(D) egg, integument, embryo sac, nucellus

Question : Starch sheath is found in

Question : Starch storing structure in green algae and higher plants respectively are

Question : Starch-storing plastid is called as.

Question :Starch formation during dark phase is observed in these regions

Question : Starch is a:

Question : Star-shaped (stellate) sclereids are present in the leaves of

Question : Starch and_____ are storagepolysaccharides.

Question : Stapes is attached to the

Question : Stanley Miller and Harold Urey performed and experiment by recreating in the laboratory the probable conditions of the atmosphere of the primitive earth. For how long was the experiment run continuously? Name two products formed.

Question : Stanley Miller and Harold Urey performed and experiment by recreating in the laboratory the probable conditions of the atmosphere of the primitive earth. What was the aim of the experiment?

Question : Stanley Miller and Harold Urey performed and experiment by recreating in the laboratory the probable conditions of the atmosphere of the primitive earth. In what forms was the energy supplied for chemical ractions to occur ?

Question : Stanley Miller and Harold C Urey performed an experiment by recreating in the laboratory the probable condition of the atmosphere of the primitive earth. i. What was the purpose of the experiment? ii. In what forms was the energy supplied for the chemical reactions to occur?

Question : Stanely Miller and Harold urey

Question : Standing state

Question : standing crop is expressed as

Question : Standing on tip toe is example of

Question : Stamens with free anthers but filaments fused into a number of group are

Question : Stamens represent the male flowers ad pistil represents a female flower in

Question : Stamans of Jower/Grass are

Question : Stamen and Pistil

Question :Stalk with which ovule remains attached to the placenta is called

Question : Stage of Trypanosoma present in Tse-tse fly are

Question : Stage of growth and maturity in plant life before they can reproduce sexually is

Question : In Scratch which blocks are purple?

Question : The stage at which the rate of evolution of CO_2 is equal to the rate of consumption of CO_2 is called______.

Question : Stack of vesicles inside the chloroplast.

Question : Stability of a community depends upon its species diversity' Justify the statement.

Question : Stablising selection favours.

Question : Spread of cancerous cells to distant sitesis termed as

Question : Spraying of phenyl mercuric acetate results in:

Question : Sprain is due to overstreching of :-

Question : Sprain is due to excessive pulling of

Question : Spot the odd one out from the following structures with reference to the male reproductive system

Question : Spot out the zone of our country considered as the hot spot of biodiversity and regarded as the 'Cradle of Speciation'.

Question : Sporulation occurs in

Question : Sporulation occurs during unfavorable condition in ………..(A) Amoeba(B) Euglena(C) Penicillium(D) Plasmodium

Question : Sportspersons misuse narcotic analgesics anabolic steroids and certain hormones. What is the correct reason for it?

Question : Sports often fail a victim to cocaine addiction.

Question : Sporozoites puncture the cell membrane of host cell by …………….

Question : Sporopollenin is chemically