Categories
Assistant General Science

Biology – 02

പ്ലാസ്റ്റിഡ്‌സ്, വർണ്ണവസ്തുക്കൾ, ജീവശാസ്ത്രത്തിലെ പ്രധാന പുസ്തകങ്ങൾ, പോഷകങ്ങൾ, കാർബോഹൈഡ്രേറ്റ്സ്‌ എന്നിവയുമായി ബന്ധപ്പെട്ട ചോദ്യങ്ങളാണ് ഇന്ന് ഉൾപ്പെടുത്തിയിരിക്കുന്നത്.

  • Flat circular organelle found in plant cells which is not present in animal cells

Plastids

 

  • Three types of plastids

Chloroplasts, Leucoplasts, and Chromoplasts

 

  • Site of Photosynthesis

Chloroplasts

 

  • Plastids which give colours to flowers and leaves of plants

Chromoplasts

 

  • Yellow colour of turmeric is due to

Curcumin

 

  • Orange colour of Carrot is due to

Carotene

 

  • Red colour of tomato is due to

Lycopene

 

  • Light energy is converted into chemical energy in the presence of

Chloroplasts

 

  • Element present in Chlorophyll

Magnesium

 

  • White coloured or colourless plastids are called

Leucoplasts

 

  • Plant that does not contain chlorophyll

Fungi

 

  • Pigment in Chloroplasts which gives green colour to the plants

Chlorophyll

 

  • Pigment which gives purple and blue colour to the flowers

Anthocyanin

 

  • Pigment which gives yellow colour to the leaves, fruits and flowers

Xanthophyll

 

  • Which book is called as Physician’s Handbook

Charaka Samhitha

 

  • Author of Ashtanga Hridayam

Vagbhadacharya

 

  • Author of Micrographia

Robert Hooke

 

  • Author of The origin of species

Charles Darwin

 

  • Author of History of Animals

Aristotle

 

  • Author of ‘Interpretation of Dreams’

Sigmund Freud

 

  • Author of The geographical distribution of Animals

Alfred Russel Wallace

 

  • Author of Systema Naturae

Carl Linnaeus

 

  • Organisms which prepare food their own are called as

Autotrophs (Eg: Green plants)

 

  • Organisms which cannot prepare food their own and is mainly dependent on green plants are  called as

Heterotrophs

 

  • Organisms which derive their food from dead and rotten materials are called as

Saprophytes

 

  • Examples of Saprophytes

Bacteria, mushrooms, yeast, bread mould etc

 

  • Organisms that live on or inside other living organisms to derive their food are called

Parasites

 

  • Authority which testifies the purity and quality of bottles of juice, squash, soap etc

Fruit Product Order (FPO)

 

  • Examples of balanced diets

Milk, Soybean

 

  • Carbohydrates are made up of

Carbon, Hydrogen and Oxygen

 

  • Ratio of Hydrogen and Oxygen in Carbohydrates

2:1

 

  • Examples of Carbohydrates

Glucose, Cellulose, Sugar starch etc

 

  • Major function of Carbohydrates

Production of energy

 

  • Sources of Carbohydrates are

Rice, wheat, honey, sugar, potato, carrot etc

 

  • In plants, carbohydrate is stored as

Starch

 

  • In animals, carbohydrate is stored as

Glycogen

 

  • Carbohydrate required for an adult person per day

400-500gm

 

  • Sugar present in high concentration in liver

Glycogen

 

  • Maximum starch content in rice is

70-80%

 

  • The basic unit of starch is

Glucose

 

  • Deficiency of carbohydrate cause

Weight loss and tiredness


(To be Continued…)