Guinness MCQs for Khuddam-ul-Hujjaj/ Nazims

2841

The value of alternating current is measured by:

A. hot wire ammeter B. moving coil galvanometer C. tangent galvanometer D. ballistic galvanometer

2842

The value of current at resonance in RLC series circuit is:

A. maximum B. minimum C. zero D. infinite

2843

The velocity of light was determined accurately by:

A. Newton B. Roemer C. Huygens D. Michelson

2844

The speed of light in vacuum is:

A. 3 × 10⁶ m/s B. 3 × 10⁵ m/s C. 3 × 10⁸ m/s D. 3 × 10¹⁰ m/s

2845

The critical angle for a beam of light passing from a diamond into the air is 24.4°. This means that any light rays that strike the surface interface at an angle greater than 24.4° will be:

A. completely reflected B. partially reflected and partially refracted C. completely absorbed D. completely transmitted

2846

The refractive index of water is 1.33. What will be the speed of light in water?

A. 3 × 10⁸ m/s B. 2.26 × 10⁸ m/s C. 4 × 10⁸ m/s D. 1.33 × 10⁸ m/s

2847

A convex lens has a focal length f. An object is placed at a distance between f and 2f on a line perpendicular to the center of the lens. The image formed is located at what distance from the lens?

A. between f and 2f B. between 2f and infinity C. between the lens and f D. at 2f

2848

A lens has a power of +5 diopters. What is the focal length of the lens?

A. 0.2 m B. 0.5 m C. 2 m D. 5 m

2849

The work function for a metal is 4 eV. To emit a photo-electron of zero velocity from the surface of the metal the wavelength of incident light should be:

A. 2700 Å B. 1700 Å C. 5900 Å D. 3100 Å

2850

The de Broglie wavelength of a particle of mass m and charge q accelerated from rest through a potential difference V is:

A. λ = h / √(2mqV) B. λ = h / √(2mqv) C. λ = h / √(2mq) D. λ = h / √(2mV)

2851

Choose the correct sentence:

A. He is senior than me B. He is senior to me C. He is senior from me D. He is senior of me

2852

According to evolutionary studies, prokaryotes may have arisen around:

A. 2.5 billion years ago B. 3.5 billion years ago C. 4.5 billion years ago D. 5.5 billion years ago

2853

The enzyme which can work on Ph 7 of the medium is ?

A. Sucrase B. Chymotrypsin C. Pancreatic lipase D. Pepsin

2854

Which enzyme is different from others ?

A. Pepsin B. Lactase C. Chymotrypsin D. Trypsin

2855

Competitive inhibitors are _____ .

A. Homologous to substrate B. Analogous A substrate C. Smaller than substrate D. Larger than substrate

2856

What is true about Oxytocin ?

A. Dilate milk ducts of mammary glands B. Stimulates ICSH C. Perform cellular fun D. Acts on kidney tubules

2857

During resting membrane potential condition:

A. Both of these surfaces are equally negative B. Outer surface of neuron is more positive C. Inner surface of neuron is more positive D. Both of these surfaces are equally positive

2858

The value of active membrane potential of the neuron is:

A. 0.07 volts B. 0.04 volts C. 0.02 volts D. 0.01 volts

2859

Cells of different types can be distinguished on the basis of surface:

A. Glycolipids and glycoproteins B. Phospholipids C. Cholesterol D. Globular proteins

2860

Which of the following type of organs are supposed to be functional in ancestral species rather than in present day species:

A. Vestigial organs B. Homologous organs C. Analogous organs D. Embryonic organs

Guinness World Records (General Knowledge Focus) MCQs with Answers & Explanations (Page 143)

Solved Questions

Browse categories

Mock Test

Subject Directory

Popular Categories

Topic Info

Study Progress

Navigation