BIOLOGY

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UPSC, PSC, BANK, RAILWAY,etc. Examination Questions

Biology questions including Kerala Administrative Service (KAS), Secretariat Assistant, Panchayath Secretary, BDO, Auditor, Assistant, LDC and LGS examination level questions. You need a lot of experience in taking an online exam.

1.

The primary producers of nature is

Ans:- Plants


2.

The plants of a a particular region is called

Ans:- Flora


3.

The animals of a particular region is called

Ans:- Fauna


4.

The part of the earth and its atmosphere that is capable of supporting living things is

Ans:- Biosphere


5.

The parts of biosphere

Ans:- Lithosphere, hydrosphere and amosphere


6.

The conversion of atmpspheric nitrogen into useful compounds like nitrates with the help of bacteria and fungi

Ans:- Nitrogen fixation


7.

The red colouration of red sea is due to

Ans:- Blue-green algae


8.

The profuse amount of pollen grains liberated by pine forests at the time of pollination during the month of march-april is referred as

Ans:- Sulpher shower


9.

----------- is obtained from immature fruits of popi plant

Ans:-Opium


10.

From which part of the plant is turmeric obtained

Ans:-Stem


11.

Clove is obtained from

Ans:-flower


12.

The birth place of potato is

Ans:-America


13.

The method of producing plants from minute plant fragments is

Ans:-Tissue culture


14.

The largest flower in the world is

Ans:-Rafflessia


15.

The smallest flower in the world is

Ans:-Wolffia


16.

Chemical stimulus induced growth is called

Ans:-Chemotropism


17.

Bending of stem towards light is due to

Ans:-Phototropism


18.

The movement of plant organs in response to the force of gravity is called

Ans:-Geotropism


19.

The movement of an organ induced by contact with a foreign body is called

Ans:-Haptotropism


20.

Water stimulus induced growth movements are called

Ans:-Hydrotopism


21.

The curvature movements of plant parts in response to the stimulus of contact are termed as

Ans:-Thigmotropism


22.

The smallest seed in the world

Ans:- Orchid seed


23.

The largest leaf in the world

Ans:-Victoria regia


24.

The scientific name of human

Ans:-Homo sapians


25.

The scientific name of coconut

Ans:-Cocos nucifera


26.

The scientific name of tiger

Ans:-Panthra tigris


27.

The scientific name of peacock

Ans:- Pavo cristatus


28.

The central drug research institute is at

Ans:- Lucknow


29.

Indian cancer research centre is at

Ans:- Mumbai


30.

Growth movements in response to the stimulus of heat or cold is known as

Ans:- Thermotropism


31.

-------- movements are in response to a touch or shock stimulus

Ans:- Seismonastic


32.

World habitat day

Ans:- 1 st monday of october


33.

The vegetation of deserts is called

Ans:- Xerophytes


34.

The aquatic plant is called

Ans:- Hydrophyte


35.

Plants that grow in saline water

Ans:- Halophytes


36.

Plants growing well in full sunlight are called

Ans:- Heliophytes


37.

Plants which grow in rainy season and shed all leaves in summer are called

Ans:- Tropophytes


38.

Plants that grow on acidic soil is

Ans:- Oxylophytes


39.

Plants growing in rocks are called

Ans:- Lithophytes


40.

The plants growing in marsh

Ans:- Helophytes


41.

The method of cultivating plants without using soil but by using nutrient solution

Ans:- Hydroponics


42.

National institute of communicable disease is at

Ans:- Delhi


43.

Central marine research institute is at

Ans:- Chennai


44.

Forest research institute

Ans:- Dehradun


45.

National dairy research institute is at

Ans:- Karnal


46.

The plant hormones that controls fruit ripening is

Ans:- Ethylene


47.

The scientific name of rice

Ans:- Oryza sativa


48.

What is called kitchen of acell

Ans:- Chloroplast


49.

------- is the green pigment contained in the leaves of plants

Ans:- Chlorophyll


50.

Photosynthesis takes place faster in

Ans:- Red light


51.

The carbohydrate that cannot be digested by the human digestive system is

Ans:-Cellulose


52.

The method of producing plants from minute plant fragments is

Ans:-Asia


53.

The milky juice that oozes from trees like rubber is known as

Ans:-Latex


54.

Two kinds of nucleic acids are

Ans:-DNA and RNA


55.

The plants that obtain the element nitrogen from animal bodies is called

Ans:-Insectivorous


56.

Organisms which obtain their food from non living material in their environment are called

Ans:-Saprophytes


57.

Chemical stimulus induced growth is called

Ans:-Chemotropism


58.

Bending of stem towards light is due to

Ans:-Phototropism


59.

The movements of the plant organs in response to the force of gravity is called

Ans:-Geotropism


60.

The movement of an organ induced by the contact of a foreign body is called

Ans:-Haptotropism


61.

Water stimulus induced growth movements are called

Ans:-Hydrotropism


62.

The curvature movements of plant parts in response to the stimulus of contact are termed as

Ans:-Thigmotropism


63.

Growth movements in response to the stimulus of heat or cold is called

Ans:-Thermotropism


64.

Altrernation of day and night causes movements of plants called

Ans:-Nyctinastic movements


65.

The movements in response to a touch or shock stimulus is called

Ans:-Seismonastic


66.

World Habitat day is on

Ans:-first Monday of October


67.

The period in which seeds remain inactive is called

Ans:-Dormancy


68.

The plant hormone that controls fruit ripening is

Ans:-Gibberillis


69.

The hormones that help to induce cell division and cell alongation

Ans:-Cytokinins


70.

Light energy is converted to chemical energy in the presence of

Ans:-Chloroplast


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