Area, Population and Official Languages MCQs - Page 12

221

What is the total surface area of a cylinder having a radius of 3.5 cm and height 5.5

A. 211.5 cm^2 B. 198 cm^2 C. 121 cm^2 D. None of these

222

Machine learning is a sub area of: (CSS-2024)

A. Hardware Engineering B. Artificial Intelligence C. Cyber Forensics D. None of these

223

During a major Hajj movement operation, buses of one group arrive separately and a driver proposes heading for whichever building looks familiar. Why does a common verified destination matter?

A. It lets a simplified location replace the official accommodation records. B. It lets drivers negotiate an alternative building when access is difficult. C. It transfers registration and group management to the drivers. D. It keeps separately arriving buses linked to the authorized accommodation, reducing dispersal and misdirection.E. It lets each driver pick a different building in the same area.

224

Harriet wants to put up fencing around three sides of her rectangular yard and leave a side of 20 feet unfenced. If the yard has an area of 680 square feet, how many feet of fencing does she need?

A. 34 B. 40 C. 68 D. 88 E 102

225

The highest level of biological organization is:

A. Species B. Population C. Community D. Ecosystem

226

The parallel plates of an air-filled capacitor have a capacitance of 1 farad. What is the area of the plates?

A. 1.1×10⁷ m² B. 2.1×10⁷ m² C. 3.5×10⁸ m² D. 4.5×10⁸ m²

227

Static friction is independent of:

A. Area of contact B. Nature of surface C. Both A and B D. Applied force

228

Physical property that is typically and predominantly dependant on surface area of the matter, is:

A. Evaporation B. Vapor pressure C. Surface tension D. Boiling point

229

The part of Earth where life exists is called ______.

A. Ecology B. Biosphere C. Population D. Species

230

Deforestation results in great loss of ______.

A. Biosphere B. Biodiversity C. Population D. Trees

231

If we double the length and halve the area of a wire, the new resistance of the wire will become ______.

A. One fourth B. Half C. Double D. Four times

232

The alveoli represent total surface area of?

A. 10-30m B. 30-60m C. 70-90m D. 90-110m

233

Which one of the following physical quantity does not the dimension of force per unit area?

A. Stress B. Strain C. Young modulus D. Pressure

234

Magnetic flux is maximum when angle between magnetic field and vector area is:

A. 0° B. 45° C. 90° D. 180°

235

Genetic drift is change in the allele frequency of population due to;

A. Random chance B. Nonrandom mating C. Natural selection D. Artificial selection

236

A small biological unit that can evolve over time is:

A. a specie B. a population C. an organism D. Cell

237

The magnitude of the magnetic flux through area A has exactly the same value at angles:

A. 0° and 180° B. 90° and 180° C. 160° and 270° D. 270° and 360°

238

A constant magnetic field of 5T is passing through a static conducting loop of area 0.8m², the induced emf is:

A. 4 V B. 10 V C. Zero D. 32 V

239

If both the plate area and the plate separation of a parallel-plate capacitor are doubled, the capacitance is:

A. doubled B. halved C. unchanged D. tripled

240

According to Neo-Darwanism, which one of the following is a case of evolution?

A. Reproductive isolation B. Infinite large population C. Environmental stability D. Both A and B

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