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IOM 2005
1 / 50
Best cooking pot properties?
Heats quickly and conducts well.
2 / 50
Biosphere refers to
Biosphere is the global life-supporting zone.
3 / 50
Adjacent DNA bases are separated by
Adjacent base pairs are 3.4 Å apart.
4 / 50
The strongest oxidizing agent of the following is:
Ozone is a stronger oxidizing agent than oxygen and halogens listed.
5 / 50
Raft V=0.2 m³, mass120kg. Extra load to just submerge?
Max displaced=200kg, extra=80kg.
6 / 50
World natural heritage site
Chitwan is a UNESCO World Heritage Site.
7 / 50
Paramecium moves by
Paramecium uses cilia.
8 / 50
Pharyngeal nephridia present in
Located in 4th–6th segments.
9 / 50
Achromatic doublet: ωc=0.02, ωf=0.03, fc=20 cm. Focal length?
Achromatism gives ff=-30 cm; combined focal length=12 cm.
10 / 50
In 2S₂O₃²⁻ → S₄O₆²⁻ + X, X is:
Balanced oxidation: 2S₂O₃²⁻ → S₄O₆²⁻ + 2e⁻.
11 / 50
In viviparous animals fertilization is
Viviparous animals have internal fertilization.
12 / 50
Polymorphism is characteristic of
Cnidarians show polymorphism.
13 / 50
Gibbs free energy relation:
Standard relation: G=H−TS.
14 / 50
Present only in epidermis of Hydra
Nematoblasts are ectodermal.
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For PCl₃(g)+Cl₂(g)⇌PCl₅(g), Kc=26 at 250°C. Kp is:
Δn=-1 so Kp=Kc(RT)^-1≈0.61.
16 / 50
6W,6V bulb on6V battery with2Ω internal resistance. Power?
Bulb R=6Ω; I=6/(6+2)=0.75A; P=I²R=27/8W.
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Nutritious culture medium is obtained from
Agar from algae is used for culture media.
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Used in brewing industry
Yeast is used in brewing.
19 / 50
Stone dropped; second dropped after1s from20m lower; arrive together. h=?
Solve using s=½gt².
20 / 50
If pollen reaches a genetically different plant, it is
Transfer to a different plant is allogamy.
21 / 50
Verticillaster is an example of
Verticillaster is an inflorescence.
22 / 50
Cotton belongs to
Cotton is in Malvaceae.
23 / 50
In frog, blood flows to right auricle from
The right atrium receives blood from the sinus venosus.
24 / 50
Spider belongs to class
Spiders are arachnids.
25 / 50
Non-reactivity of Cl in CH₂=CH–Cl due to:
C–Cl bond acquires partial double-bond character.
26 / 50
Floral formula Ebr ⊕⚥ K2+2 C4 A2+4 G(2) is
This is Brassicaceae.
27 / 50
6 g carbon burnt completely. CO₂ volume at STP:
6 g C=0.5 mol→0.5 mol CO₂=11.2 L.
28 / 50
Methyl isocyanate is prepared by reaction of:
MIC is prepared from methylamine and phosgene.
29 / 50
Alcohol poisoning occurs due to presence of:
Methanol causes poisoning.
30 / 50
Tailless amphibians belong to
Frogs and toads belong to Anura.
31 / 50
Legally protected wildlife under Nepal NPWC Act 1973
Common leopard is a protected species.
32 / 50
Tall red × dwarf white Pisum. Tall white plants in F₂
Dihybrid ratio gives 3/16 tall white.
33 / 50
B formed: CH₃CH₂CH₂OH --PCl₅→ A --alc.NaOH→ B
Alcohol→alkyl chloride→elimination gives propene.
34 / 50
Gas at 0°C. Temperature needed to double rms speed?
v_rms∝√T. Doubling speed requires T₂=4T₁=1092 K=819°C.
35 / 50
Plants growing in cold regions are
Cold-adapted plants are psychrophytes.
36 / 50
Two solid spheres radii 1:2. MOI ratio?
I∝MR² and M∝R³ so I∝R⁵; ratio=1:32.
37 / 50
Seminiferous tubules lined with
They are lined by germinal epithelium.
38 / 50
Vessels in plants generally blocked by
Tyloses block xylem vessels.
39 / 50
Closed pipe first overtone resonates with open pipe third overtone. Length ratio P1:P2?
3v/4L1=2v/L2⇒L1/L2=3/8.
40 / 50
Uniform rope length x on table. Max overhang?
Balance overhang weight with limiting friction.
41 / 50
Claw of rabbit is modification of
Claws are epidermal derivatives.
42 / 50
10 g radioactive salt, half-life 2 days. Left after10 days?
Five half-lives:10/32=0.3125 g.
43 / 50
pH of solution containing 2 g NaOH per litre:
[OH⁻]=2/40=0.05 M; pOH≈1.3, pH≈12.7.
44 / 50
Hydrogen cannot be obtained by:
Dilute nitric acid is an oxidizing acid.
45 / 50
Rhizobium in legume root nodules shows
Rhizobium and legumes have mutualistic symbiosis.
46 / 50
Three vectors form 5-12-13 right triangle. Angle between 12 and13 vectors?
Since 13²=12²+5², cosθ=12/13.
47 / 50
Response to touch is
Touch response is thigmotaxis.
48 / 50
Smoke is an example of:
Smoke is a solid aerosol.
49 / 50
Quantity NIA equals:
Magnetic dipole moment=NIA.
50 / 50
Tear gas is:
Chloropicrin is a tear gas.
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