Science and Scientific Research - General Knowledge Questions and Answers

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General Knowledge » Science and Scientific Research

Find the odd one out with respect to animals’ response to abiotic factors.

A

Suspend   

B

 Conform  

C

 Reproduce  

D

 Migrate  

General Knowledge » Science and Scientific Research

The bodies of the animals of phylum Platyhelminthes show _________ grade organisation.

A

tissue-organ

B

protoplasmic

C

cellular

D

cell-tissue

General Knowledge » Science and Scientific Research

Which chemical compound is composed of magnesium, sulphur and oxygen and is commonly used in detox bath to relax muscles and relieve pain in the shoulders, neck, back and scalp?

A

Glauber's salt

B

Rock salt

C

Epsom salt

D

Potash alum

General Knowledge » Science and Scientific Research

Who observed that in a mixture of non-reactive gases, the total gas pressure is equal to the sum of the partial pressures of the individual gases?

A

John Dalton

B

Antoine Lavoisier

C

Robert Boyle

D

Amedeo Avogadro

General Knowledge » Science and Scientific Research

Which phylum of the plant kingdom consists of vascular plants, leaves (known as fronds), roots and sometimes true stems and entire trunks in tree ferns?

A

Bryophyta

B

Angiosperm

C

Pteridophyta

D

Gymnosperm

General Knowledge » Science and Scientific Research

In 1857, who was the first to experimentally demonstrate that the yeast responsible for making alcohol from sugar, and contaminating microorganisms found in normal air, could sour fermentation?

A

Martinus Willem Beijerinck

B

Alexander Fleming

C

Fanny Hesse

D

Louis Pasteur

General Knowledge » Science and Scientific Research

Which cycle shows the movement of water?

A

Carbon cycle   

B

Geological cycle  

C

 Hydrological cycle 

D

 Nitrogen cycle 

General Knowledge » Science and Scientific Research

DDT adversely affects our environment because:

A

it can allow growth of harmful insects

B

it can promote growth of harmful insects

C

it can kill harmful insects

D

it can kill beneficial insects like honey bees

General Knowledge » Science and Scientific Research

Which organisation was created in 1988 by the World Meteorological Organization (WMO) and the United Nations Environment Program (UNEP) to assess the science related to climate change?

A

Intergovernmental Panel on Climate Change (IPCC)

B

International Climate Action Network (ICAN)

C

Australian Youth Climate Coalition (AYCC)

D

Global Climate Growth Institute (GCGI)

General Knowledge » Science and Scientific Research

Identify the acid that helps in digestion.

A

 Acetic acid 

B

 Nitric acid 

C

 Sulphuric acid 

D

Hydrochloric acid  

General Knowledge » Science and Scientific Research

What kind of substances are separated using the technique of steam distillation?

A

Coarse substances  

B

 Coloured substances  

C

 Substances with many electrons 

D

Substances that are steam volatile  

General Knowledge » Science and Scientific Research

Which unicellular organism acquires food by a process in which cells absorb external material by engulfing it with the cell membrane?

A

Volvox

B

Yeast

C

Amoeba

D

Spirogyra

General Knowledge » Science and Scientific Research

At least ______ of the carbon dioxide fixation on earth is carried out by algae through photosynthesis.

A

one-third

B

a quarter

C

one-tenth

D

a half

General Knowledge » Science and Scientific Research

The numerical taxonomy of plants is based on which of the following?

A

Chemical constituents

B

Structure

C

All observable characteristics

D

Chromosome number

General Knowledge » Science and Scientific Research

Pneumatophores are specialised ______ in hydrophytes.

A

seeds

B

fruits

C

flowers

D

roots

General Knowledge » Science and Scientific Research

The process of wastewater treatment is commonly called ______ treatment.

A

 sewage

B

 microbe

C

 bacteria

D

 pollutant

General Knowledge » Science and Scientific Research

The chemical symbol of arsenic is:

A

 Ar

B

 As

C

 Ac

D

 An

General Knowledge » Science and Scientific Research

Which of the following compounds in petroleum can cause corrosion to parts of internal combustion engines and refineries?

A

Sulphur

B

Sodium

C

Calcium

D

 Potassium

General Knowledge » Science and Scientific Research

Which of the following statements is correct with respect to chordates?

A

Double ventral solid nerve cord

B

Heart is dorsal or laterally placed or absent

C

A post anal tail is absent

D

Notochord is present

General Knowledge » Science and Scientific Research

What is the name of the compound having the formula CH3CH2OH?

A

 Chloroform

B

 Ethanol

C

 Methane

D

 Acetic Acid