Biology MCQS with Answers
According to five kingdom system the prokaryotic unicellular organisms are placed in
Protista
Plantae
None of above
Monera
Oxygen combines with hemoglobin to form
None
Per hemoglobin
Bioxyhemoglobin
Oxyhaemoglobin
Which of the following statement about fossils is wrong
Organisms that are embedded in sand resins or ice can not be considered in fossils
Most fossils are found in sedimentary rocks
Fossils may be traces of organisms that lived in ancient geological times
Fossils are the actual remains of organisms
All vertebrates have
Transportation occurs through skin
Closed circulatory system
Open circulatory system
No transportation system
Gaseous exchange through the lungs is called
Pulmonary respiration
Expiration
Cellular respiration
Inhalation
The part of earth inhabited by living organisms and non-living components is called
Biosphere
Ecosystem
Habitat
Niche
The cylindrical body of sea-anemone can be cut in 2-equal halves vertically in
One plane
D-plane
2-planes
Any plane
In plants which of the cells directly involved in gaseous exchange
Xylem
Phloem
Air spaces of hemoglobin cells
Mesophyll cells
Gametes in bryophytes are produced by
Mitosis
Fragmentation
Binary fission
Meiosis
DNA and RNA molecules are made up of repeating unites called
Nucleotides
Nitrogenous bases
Phosphate group
Nucleosides
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