Guinness World Records (General Knowledge - Page

661

The safranin stain is usable for?

A. Fungal hyphae B. Cytoplasm/Cellulose C. Blood cells D. Lignin

662

Functionally ______ pairs of cranial nerves are sensory in nature and ______ pairs are mixed in nature and ______ are motor in nature.

A. 3,4 and 5 B. 4,5 and 3 C. 3,5 and 4 D. 4,3 and 5

663

DNA finger printing refer to?

A. Techniques used for identification of finger prints of individuals B. Molecular analysis of profiles of DNA samples C. Analysis of DNA samples using imprinting devices D. Both Techniques used for identification of finger prints of individuals and Analysis of DNA samples using imprinting devices

664

Horsetails are included in class?

A. Pieropsida B. Lycopsida C. Psilopsida D. Sphenopsida

665

Which one of the following bone is the only movable portion of the skull?

A. Maxilla B. Frontal bone C. Mandible D. Zygomatic

666

Progesterone is secreted by:

A. Corpus Luteum B. Ripening follicles C. Uterine epithelium D. Fertilized egg

667

Epoxide obtained from isobutylene is further hydrolyzed in the presence of acid. The final product is?

A. 1,2 - Butanediol B. 2,3 - Butanediol C. 2-Methyl-1,2-Propandiol D. All of them

668

In the detection of nitrogen in an organic compound. The appearance of Prussian blue colouration is due to the formation of:

A. Fe₄[Fe(CN)₆]₃ B. Na₃[Fe(CN)₆] C. K₃[Fe(CN)₆] D. None

669

The bond angle in H₂S is less than H₂O. It is due to?

A. Small size of oxygen atom B. Greater C. Oxygen contain two bone pairs of electrons D. All of the above

670

The auxochrome not concern with Metanil yellow dye:

A. -SO₃H B. -OH C. -NH₂ D. Both -SO₃H and -NH₂

671

Under what condition an object will have zero displacement but non zero distance?

A. linear motion B. circular motion C. random motion D. Oscillation

672

The speed of sound in air is 332 M/s. The speed of sound at 22 °C will be:

A. 345.2 M/s B. 340 M/s C. 350 M/s D. 330 M/s

673

Astronomers calculate speed of distance stars and galaxies using which of the following phenomena?

A. beats B. interference C. superposition principle D. Doppler Effect

674

In a ripple tank, 40 waves pass through a certain point in one second. If the wavelength of the wave is 5 cm, then speed of the wave is:

A. 0.5 ms⁻¹ B. 1 ms⁻¹ C. 1.5 ms⁻¹ D. 2 ms⁻¹

675

If the potential at a point which is 1m from a charge is 1 volt, then the potential at a point which is 2m from the same charge will be:

A. 0.5 v B. 1 v C. 2 v D. 3 v

676

The values of electric intensity will ______ Due to the presence of dielectric medium:

A. increase B. increase exponentially C. decrease D. remain same

677

At what angle of projection of a projectile the range becomes half of its maximum value?

A. 15° B. 20° C. 30° D. 40°

678

The Newton-second is unit of:

A. work B. power C. impulse D. momentum

679

75 m height weight- lifter rises weights with a mass of 50 kg to a height of 0.5 m above his head. How much work is being done by him? (g=10ms⁻²)

A. 50 J B. 100 J C. 2125 J D. 2500 J

680

What is the speed of 2.0 kg metallic Bob at the mean position of a simple pendulum, when released from its extreme position 0.5 m height? (g=10ms⁻²)

A. 3.16 ms⁻¹ B. 10 ms⁻¹ C. 100 ms⁻¹ D. 50 ms⁻¹

Guinness World Records (General Knowledge Focus) MCQs with Answers & Explanations (Page 34)

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