Guinness World Records (General Knowledge - Page

461

Implantation of embryo takes place in which week of pregnancy?

A. 1st B. 2nd C. 3rd D. 4th

462

When will 1 C of charge pass a point in an electrical circuit?

A. When 1A moves through a voltage of 1V B. When a power of 1W is used for 1s C. When the current is 5mA for 200s D. When the current is 10A for 10s

463

In a stationary wave the distance between consecutive antinodes is 25cm. If the wave velocity is 300ms⁻¹ then the frequency of the wave will be:

A. 150 Hz B. 300 Hz C. 600 Hz D. 750 Hz

464

The path ______ paved, so we were able to walk through the path.

A. had been B. was C. has been D. being

465

Choose the correct sentence.

A. Naila was exhausted that on she lain down for a nap B. Naila was so exhausted that on she laid down for a nap C. Naila was so exhausted that on she was lying down for a nap D. Naila was so exhausted that on she will lay down for a nap

466

Considering the molecular orbital theory(MOT), chooses the correct relative energies order.

A. σ1s < σ1s < σ2s < σ2s < σ2pz < π2px = π2py B. σ1s < σ1s < σ2s < σ2s < π2py = π2pz < π2px C. σ1s < σ1s < σ2s < σ2s < π2px = π2py < σ2pz D. σ1s < σ1s < σ2s < σ2s < π2py < π2pz < π2px

467

If medulla oblongata of a person brain is damaged which of the following process will be disturbed?

A. Thinking B. Sleep C. Thirst D. Swallowing

468

Otitis media is an inflammation of which part of the?

A. Brain B. Middle ear C. Lungs D. Urinary tract

469

A stationary nucleus has nucleon number A. The nucleus decays by emitting a proton with speed "v" to form a new nucleus with speed u. The new nucleus and the proton move away from one another in opposite directions. Which equation gives "v" in terms of A and u?

A. v = (A/4 - 1)u B. v = (A - 1)u C. v = Au D. v = (A + 1)u

470

He asked me what my name was and what I did?

A. He said to me, "What was my name and what did I do?" B. He said to me, "What is your name and what do you do?" C. He said to me, ''What his name was and what did he do?'' D. He said to me, ''What my name was and what I did?''

471

Four beakers containing ethanol, ethanal, propanone and phenol separately. Aqueous bromine was added to each beaker. A white ppt was produced in one beaker. This beaker contains.

A. Ethanol B. Phenol C. Ethanal D. Propanone

472

To differentiate between the white ppt of AgCl and off-white ppt of AgBr we use:

A. Dil. solution of NaOH B. Dil. solution of Pb(NO₃)₂ C. Dil. solution of NH₃ D. Dil. solution of FeCl₃

473

CH₃CH₂NH₂ + C₂H₅-C-C₂H₅ → Product:

A. Schiff's salt B. Diazonium salt C. Amide D. Imine + Amide

474

Choose acids that are showing leveling effect.i)HClO₄ ii) HI iii) HCl iv) HF

A. i & iv B. i, iii, & iv C. iii & iv D. i, ii, & iii

475

The experiments by Hershey and Chase helped confirm that DNA was the hereditary material on the basis of the finding that:

A. Radioactive phage were found in the pellet B. Radioactive cells were found in the supernatant C. Radioactive sulfur was found inside the cell D. Radioactive phosphorus was found in the cell

476

Which of the following is the suitable vector to be incorporated with the large external DNA fragment.

A. Small size vector B. Large size vector C. Large size vector with no origin of replication. D. Small size vector with no origin of replication.

477

What happens when charge is placed on a soap bubble?

A. It collapse B. Its radius increases C. Its radius decreases D. None of the above

478

Choose the antonym from the word "ABROGATE".

A. Transgress B. Signify C. Alleviate D. Ratify

479

Which ion is stable in aqueous solution?

A. Sc³⁺ B. Li²⁺ C. Ba³⁺ D. Na⁺

480

Colloidal particles can be separated by using:

A. Coarse filter paper B. Ordinary filter paper C. Fine Filter paper D. Extremely fine filter paper

Guinness World Records (General Knowledge Focus) MCQs with Answers & Explanations (Page 24)

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