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IOM 2007
1 / 50
Late blight pathogen
Caused by Phytophthora infestans.
2 / 50
Magnetic force on q=2C,v=0.5,B=4T,30°:
F=qvBsin30=2N.
3 / 50
Choanocytes found in
Choanocytes are sponge cells.
4 / 50
Force/unit length between parallel currents:
F/L=μ0I1I2/2πd.
5 / 50
High transpiration in
High temperature and low humidity increase transpiration.
6 / 50
Produces phenol with water
Diazonium salt hydrolyzes to phenol.
7 / 50
Xerophytes characterized by
Sunken stomata reduce water loss.
8 / 50
Force on test charge x from sphere surface proportional to:
Outside sphere acts as point charge.
9 / 50
Paramecia after conjugation
Two exconjugants divide to form four.
10 / 50
Carrot root type
Carrot has a conical storage root.
11 / 50
Order if R=k[A]½[B]3/2
½+3/2=2.
12 / 50
CH₃COCl + H₂/Pd-BaSO₄ gives
Rosenmund reduction.
13 / 50
Monocot plumule is covered by
Coleoptile protects the plumule.
14 / 50
Megasporophyll of gymnosperm
Female cone bears megasporophylls.
15 / 50
Purest pearl produced by
Pearl oyster Pinctada.
16 / 50
ATP formation energy in PSII comes from
Chemiosmosis uses proton gradient.
17 / 50
Process converting amides into amines
Hofmann bromamide reaction.
18 / 50
Xylem surrounded by phloem
Bicollateral has phloem on both sides.
19 / 50
Hormone controlling metamorphosis
Ecdysone initiates moulting/metamorphosis.
20 / 50
Prokaryotic ribosome
Prokaryotes possess 70S ribosomes.
21 / 50
Wrong for Cruciferae
Cruciferae has tetradynamous, not didynamous stamens.
22 / 50
Cosφ in AC is called:
Cosφ is power factor.
23 / 50
Camera shutter exposure equivalence:
Exposure∝It/r².
24 / 50
Radar Doppler airplane speed:
Using reflected Doppler shift.
25 / 50
Same function different origin
Analogous organs.
26 / 50
Radius of convex mirror formed from silvered plano-convex lens:
Mirror radius equals curved surface radius effect.
27 / 50
Coloured gas
NO₂ is brown.
28 / 50
Annealing is
Annealing involves heating then slow cooling.
29 / 50
Cl₂ with hot conc. NaOH forms
Hot alkali gives chloride and chlorate.
30 / 50
Pyrenoids are found in
Pyrenoids occur in chloroplasts of algae.
31 / 50
Connecting link amphibian-reptile
Seymouria is classic link.
32 / 50
Reactivity order of HX with ethanol
HI strongest then HBr.
33 / 50
Blackened vs transparent thermometer:
Black absorbs faster.
34 / 50
Minimum force to slide block if angle of friction θ:
μ=tanθ.
35 / 50
Woody climbers are
Lianas are woody climbers.
36 / 50
Urinary bladder absent in
Most birds lack urinary bladder.
37 / 50
Hemoglobin dissolved in plasma
Earthworm has dissolved Hb.
38 / 50
Correct relation
Standard Gibbs equation.
39 / 50
In Schottky defect
Equal vacancies maintain neutrality.
40 / 50
Alternation generation and host
Fasciola has both.
41 / 50
Two equal masses moving north/east coalesce. Speed:
Resultant momentum=√2mv over mass2m.
42 / 50
Borax bead test forms
Colored metaborates are formed.
43 / 50
Snapdragon type corolla is
Personate corolla has a closed mouth.
44 / 50
Unit of specific conductance is:
Conductivity is measured in S cm⁻¹ (ohm⁻¹ cm⁻¹).
45 / 50
Rice husk is called
Lemma is the outer fertile bract enclosing the grain.
46 / 50
Fish migration fresh to sea
Catadromous migrate freshwater to sea.
47 / 50
Solubility of A₃B₂ is x. Ksp =
A₃B₂ ⇌ 3A²⁺+2B³⁻, so Ksp=(3x)^3(2x)^2=108x⁵.
48 / 50
Node position for y=cos((2π/60)x)sin(100πt):
First node at x=15 cm.
49 / 50
Centrolecithal eggs in
Insects have centrolecithal eggs.
50 / 50
Heat at constant volume:
Cv=Cp−R; for 5 moles gives125 cal.
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