Q:

Dr. Linus Carl Pauling is the only person to have won two Nobel prizes individually for

A) Chemistry in 1954, Peace Prize in 1962	B) Peace Prize in 1954, Chemistry in 1962
C) Physics in 1954, Medicine in 1962	D) Medicine in 1954, Physics in 1962

Answer & Explanation Answer: A) Chemistry in 1954, Peace Prize in 1962

Explanation:

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Q:

Which of the following is India’s first indigenously developed nuclear powered submarine ?

A) INS Arihant	B) INS Vikrant
C) INS Sindhurakshak	D) INS Trikhand

Answer & Explanation Answer: A) INS Arihant

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Q:

In plant body, the water and minerals are transported by _______

A) Bast	B) Collenchyma
C) parenchyma	D) Xylum

Answer & Explanation Answer: D) Xylum

Explanation:

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Filed Under: Biology

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Q:

Which of the following indicates the maximum number of entities that can be involved in a relationship?

A) Minimum cardinality	B) Maximum cardinality
C) ERD	D) Greater Entity Count (GEC)

Answer & Explanation Answer: B) Maximum cardinality

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Q:

Frederick Sanger is a twice recipient of the Nobel Prize for

A) Chemistry in 1958 and 1980	B) Physics in 1956 and 1972
C) Chemistry in 1954 and Peace in 1962	D) Physics in 1903 and Chemistry in 1911

Answer & Explanation Answer: A) Chemistry in 1958 and 1980

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Q:

Which international Airport Ltd has bagged the National Award for 'Excellence' in Energy Management ?

A) New Delhi	B) Lucknow
C) Hyderabad	D) Mumbai

Answer & Explanation Answer: C) Hyderabad

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Q:

A polygenic trait is controlled by 3 genes A, B and C. In a cross AaBbCc x AaBbCc, the phenotypic ratio of the offsprings was observed as 1 : 6 : m : 20 : m : 6 : 1. What is the value of m?

A) 10	B) 15
C) 18	D) 24

Answer & Explanation Answer: B) 15

Explanation:

Here crossing is AaBbCc x AaBbCc

As it is trihybrid cross,

we know, Number of zygotes formed = $4^{n}, where n = 3$

$4^{3} = 64$

Given ratio of offsprings = 1 : 6 : m : 20 : m : 6 : 1

Now, 1 + 6 + m + 20 + m + 6 + 1 = 64

34 + 2m = 64

2m = 30

=> m = 15.

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Q:

The element that has the highest first ionization potential is.......

A) Oxygen	B) Carbon
C) Boron	D) Nitrogen

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