12th Class FSc Part 2 Biology Chapter Wise Online MCQ Test With Answer PDF

Biology FSC Part 2 Online MCQ's Test

Sr. #	Questions	Answers Choice
1	Which one is not a mesophyte.	Brassica Mango Rose Cacti
2	The most concentrated external environment is termed as.	Hypotonic Hypertonic Osmotic Isotonic
3	Which one is an example of Xerophytes.	Brassica Rose Cactus Mango
4	The category of plants that has adaptation of small and thick leaves to limit water loss is called.	Hydrophytes Xerophytes Aygrophytes Mesophytes
5	Sunkens stomata are found in which of the following group of plants.	Hydrophytes xerophytes Bryophytes Mesophytes
6	They have adaptations for reduced rate of transpiration.	Halophytes Hydrophytes Mesophytes Xerophytes
7	A plant is adapted to remove the flooding of its cells in fresh water.	Mesophyte Cactus Hydrophyte Xerophyte
8	The protection of internal environment from the harms of fluctuation in external environment is termed as.	Osmoregulation Excretion Thermoregulation Homeostasis
9	The causes of green house effect are:	Over urbanization Deforestation Industrialization All of them
10	The study of hman populations and things that affect them is called:	Angiography Demography Mammography Homography
11	The total energy from the sun is happened by the producers in an ecosystem is about?	20 % 10 % 5 % 1 %
12	The best way to increase food production from ecosystem view point is:	To increase cultivable land by clearing forest Use of excessive fertilizers Use of high quality pesticides Use of genetically improved varieties of seeds
13	Which of the following is NOT recycled in ecosystem?	Carbon Sulphur Energy Water
14	What would be expected to happen if all the nitrogen-fixing organisms ceased to exist?	There would be no significant change in number of animals The total number of biomass would be reduced All organisms would die out The nitrogen level of the atmosphere would be increase
15	Which statement defines the net primary production in an ecosystem over a given time period?	The total amount of organic matter in the plants in excess of that used in respiration The total amount of organic matter used in respiration by all the organisms present The total amount of photosynthesis product from all plants The total amount of organic matter in all organisms present
16	The amount of energy left plants have met their respiratory needs is net eprimary production , which shows up as plant:	Respiration rate Photosynthesis Biomass Food reserve
17	In succesion lithoseres takes place on:	Sand Water Forest floor Bare rocks

Download This Set