Questions

Q:

What is the chemical formula of Ozone?

A) O B) O2
C) O3 D) O4
 
Answer & Explanation Answer: C) O3

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Filed Under: Chemistry
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Q:

The disease Beri Beri is caused due to the deficiency of which of the following?

A) Vitamin B2 B) Vitamin B1
C) Vitamin B12 D) Vitamin E
 
Answer & Explanation Answer: B) Vitamin B1

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Filed Under: Biology
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Q:

Which among the following is NOT an event during the photosynthesis process?

A) Absorption of light energy by chlorophyll B) Conversion of light energy to chemical energy
C) Splitting of water molecules into hydrogen and oxygen D) Oxidation of carbon dioxide to carbohydrates
 
Answer & Explanation Answer: D) Oxidation of carbon dioxide to carbohydrates

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Q:

In the question given below, three paragraphs are given, which are jumbled. Find the correct sequence of these paragraphs so that they form a meaningful passage.
A. Climate change is warming the ocean, but it’s warming land faster and that’s really bad news for air quality all over the world, says a new University of California, Riverside study. The study, published February 4 in Nature Climate Change, shows that the contrast in warming between the continents and sea, called the land-sea warming contrast, drives an increased concentration of aerosols in the atmosphere that cause air pollution. Aerosols affect the climate system, including disturbances to the water cycle, as well as human health. They also cause smog and other kinds of air pollution that can lead to health problems for people, animals, and plants.
B. To determine this, the researchers ran simulations of climate change under two scenarios. The first assumed a business-as-usual warming model, in which warming proceeds at a constant, upward rate. The second model probed a scenario in which the land warmed less than expected. In the business-as-usual scenario, enhanced land warming increased continental aridity and, subsequently, the concentration of aerosols that leads to more air pollution.
C. A robust response to an increase in greenhouse gases is that the land is going to warm faster than the ocean. This enhanced land warming is also associated with increased continental
aridity. The increase in aridity leads to decreased low cloud cover and less rain, which is the main way that aerosols are removed from the atmosphere.

A) ACB B) BCA
C) BAC D) CAB
 
Answer & Explanation Answer: A) ACB

Explanation:

The correct sequence is ACB.

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Q:

Harmful bacteria in potable water make the water

A) unfit to drink B) smelly
C) colored D) turbid
 
Answer & Explanation Answer: A) unfit to drink

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Q:

Which plant tissue is also known as growing tissue?

A) Only permanent tissue B) Only Meristematic tissue
C) Both Permanent and meristematic tissue D) Neither Permanent nor meristematic tissue  
 
Answer & Explanation Answer: B) Only Meristematic tissue

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Q:

Which of the following reproduce both, sexually as well as asexually?

A) Hydra B) Amoeba
C) ALgae D) Fungi
 
Answer & Explanation Answer: A) Hydra

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Q:

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.
_____ the rain stopped, the concert had to be suspended.

A) Until B) Unless
C) Till D) while
 
Answer & Explanation Answer: A) Until

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