Biology Questions and Answers

Biology Questions and Answers

Question 1 :
Ordinary table salt is sodium chloride. What is baking soda?
Potassium chloride
Potassium carbonate
Potassium hydroxide
Sodium bicarbonate

Question 2 :
Ozone hole refers to
hole in ozone layer
decrease in the ozone layer in troposphere
decrease in thickness of ozone layer in stratosphere
increase in the thickness of ozone layer in troposphere

Question 3 :
Pine, fir, spruce, cedar, larch and cypress are the famous timber-yielding plants of which several also occur widely in the hilly regions of India. All these belong to
angiosperms
gymnosperms
monocotyledons
dicotyledons

Question 4 :
Pollination is best defined as
transfer of pollen from anther to stigma
germination of pollen grains
growth of pollen tube in ovule
visiting flowers by insects

Question 5 :
Plants receive their nutrients mainly from
chlorophyll
atmosphere
light
soil

Question 6 :
Movement of cell against concentration gradient is called
osmosis
active transport
diffusion
passive transport

Question 7 :
Photosynthesis generally takes place in which parts of the plant?
Leaf and other chloroplast bearing partsstem and leaf
stem and leaf
Roots and chloroplast bearing parts
Bark and leaf

Question 8 :
Most fish do not sink in water because of the presence of
1. swim bladder
2. air bladder
3. air sacs
4. air in spongy bones
I and II are correct
II and III are correct
III and IV are correct
I, II, III and IV are correct

Question 9 :
Plants synthesis protein from
starch
sugar
amino acids
fatty acids

Model Question Papers

Union Bank of India PO 2008 English Language

Binder Grade II Logical Reasoning & Mathematics

KSIE Junior Assistant Logical Reasoning & Mathematics

Kerala PSC LDC Thrissur 2003 Logical Reasoning & Mathematics

Kerala PSC LDC Palakkad 2003 Logical Reasoning & Mathematics

Biology Questions and Answers