Q:

Simpson and Harrison are associated with the invention of

A) Boson	B) Chloroform
C) Balloon	D) None of these

Answer & Explanation Answer: B) Chloroform

Explanation:

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Filed Under: Inventions

14 9258

Q:

A universal recipient belongs to the blood group

A) AB	B) O
C) B	D) A

Answer & Explanation Answer: A) AB

Explanation:

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Filed Under: General Awareness

44 9254

Q:

Trans-Himalaya rivers are: _____________.

A) Sutlej, Indus, Gang	B) Brahmaputra, Indus, Sutlej
C) Brahmaputra, Indus, Ganga	D) Brahmaputra, Sutlej, Ganga

Answer & Explanation Answer: C) Brahmaputra, Indus, Ganga

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Filed Under: Indian Geography
Exam Prep: Bank Exams

2 9254

Q:

Rearrange the parts of the sentence in correct order

By doing so, it

P-brought it closer
Q-to cultural and social life
R-has redefined politics and

A) RPQ	B) RQP
C) PQR	D) QPR

Answer & Explanation Answer: A) RPQ

Explanation:

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Filed Under: English
Exam Prep: Bank Exams

0 9250

Q:

A gas absorbs a photon of 355 nm and emits at two wavelengths. If one of the emissions is at 680 nm, the other is at :

A) 518 nm	B) 1035 nm
C) 325 nm	D) 743 nm

Answer & Explanation Answer: D) 743 nm

Explanation:

$\frac{1}{λ} = \frac{1}{λ 1} + \frac{1}{λ 2}$

$\frac{1}{355} = \frac{1}{680} + \frac{1}{λ 2}$

$\frac{1}{λ 2} = \frac{680 - 355}{680 \times 355}$

$\Rightarrow λ 2 = 743 n m$ .

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Filed Under: Chemistry
Exam Prep: AIEEE

12 9247

Q:

In the following question, choose the word opposite in meaning to the given word.

Theoretical

A) punctual	B) uncritical
C) emotional	D) practical

Answer & Explanation Answer: D) practical

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Filed Under: English
Exam Prep: Bank Exams

0 9234

Q:

What holds the sides of the DNA ladder together?

A) Polar covalent bonds	B) Ionic bonds
C) Metallic bonds	D) Covalent bonds

Answer & Explanation Answer: D) Covalent bonds

Explanation:

Deoxyribose, which is a pentose, and a phosphate group are the two molecules together form the two sides of the DNA i.e, A sugar (deoxyribose) and a phosphate.

DNA is a double-stranded molecule twisted into a helix (think of a spiral staircase). Each spiraling strand, comprised of a sugar-phosphate backbone and attached bases, is connected to a complementary strand by non-covalent hydrogen bonding between paired bases. The bases are adenine (A), thymine (T), cytosine (C) and guanine (G). A and T are connected by two hydrogen bonds. G and C are connected by three hydrogen bonds.

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams , GATE
Job Role: Analyst , Bank Clerk , Bank PO

16 9232

Q:

Who expanded the cell theory and suggested that all the cells arise from pre-existing cells?

A) T. Schwann	B) M. Schleiden
C) J. E. Purkinje	D) Rudolf Virchow

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