Questions

Q:

Select the option that correctly matches the contents of the first column with the contents of the second column.

 

A. Elements combine in fixed ratios I. Dalton's atomic theory
B. Atoms are indivisible II. The same number of molecules
C. Sulphate and Oxalate ions are anions, whereas magnesium and III. Law of constant proportions
D. Gram atomic mass of an element and the gram molecular mass of a compound contain IV. Ammonium ions are cations

 

A) A-III, B-II, C-IV, D-I B) A-III, B-I, C-IV, D-II
C) A-III, B-IV, C-I, D-II D) A-I, B-III, C-IV, D-II
 
Answer & Explanation Answer: B) A-III, B-I, C-IV, D-II

Explanation:
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Q:

Name the Russian chemist who stated that the properties of elements are a periodic function of their atomic masses?

A) Markovnikov B) Zelinsky
C) Mendeleev D) Zaitsev
 
Answer & Explanation Answer: C) Mendeleev

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Q:

Which of the following organisms can reproduce by regeneration and budding?

A) Yeast B) Plasmodium
C) Hydra D) Planaria
 
Answer & Explanation Answer: C) Hydra

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Q:

Prostate in human body is a

A) Connective tissue B) Gland 
C) Membrane D) Muscle
 
Answer & Explanation Answer: B) Gland 

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Q:

Backward bending supply curve belongs to which market?

A) Capital B) Labour
C) Money D) Inventories
 
Answer & Explanation Answer: C) Money

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Q:

If a person's income increases from Rs. 10 lakhs per year to Rs. 11 lakhs per year and tax increases from Rs. 80,000 to Rs. 92,500 the marginal tax rate is

A) 12.50% B) 8%
C) 10% D) 15%
 
Answer & Explanation Answer: A) 12.50%

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Q:

Each item consists of six sentences of a passage. The first and sixth sentences are given in the beginning as S1 and S6. The middle four sentences in each have been jumbled up and labelled as P, Q, R and S. You are required to find the proper sequence of the four sentences and markyour response accordingly on the Answer Sheet.


S1 :The climate question presents a leapfrog era for India’s development paradigm.
S6 :This presents a good template for India, building on its existing plans to introduce electric mobility through buses first, and cars by 2030.
P :It is aimed at achieving a shift to sustainable fuels, getting cities to commit to eco-friendly mobility and delivering more walkable communities, all of which will improve the quality of urban life.
Q : At the Bonn conference, a new Transport Decarbonisation Alliance has been declared.
R : This has to be resolutely pursued, breaking down the barriers to wider adoption of rooftop solar energy at every level and implementing net metering systems for all categories of consumers.
S :Already, the country has chalked out an ambitious policy on renewable energy, hoping to generate 175 gigawatts of power form green sources by 2022.


The correct sequence should be

A) S R Q P B) S P R Q
C) P R S Q D) Q R S P
 
Answer & Explanation Answer: B) S P R Q

Explanation:
SPRQ is the correct order in which sentences should be arranged.
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Q:

Galvanization a process to prevent rusting involves use of ___ coating to steel or iron.

A) Nickel B) Magnesium
C) Copper D) Zinc
 
Answer & Explanation Answer: D) Zinc

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