421.
Angiosperms differs form gymnosperms because
A
Embryo is present in it
B
Tissue is present in it
C
Vessel is present in its xylem
D
None of the above
Answer :
Vessel is present in its xylem
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422.
Study of fossils is
A
palaeontology
B
herpetology
C
saurology
D
organic evolution
Answer :
palaeontology
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Palaentology is the branch of zoology concerned with the study of fossils.
423.
Transduction in bacteria carried out by
A
Bacteriophage
B
B.G.A.
C
Mycoplasma
D
Rickettssie
Answer :
Bacteriophage
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424.
Multinucleate protoplasmic mass of Slime mold fungi is called
A
Coenobium
B
Plasmodium
C
Mycorrhiza
D
Mycelium
Answer :
Plasmodium
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425.
What is true for cayno bacteria
A
Oxygenic with nitrogenase
B
Oxygenic without nitrogenase
C
None oxygenic with nitrogenase
D
Non oxygenic without nitrogenase
Answer :
Oxygenic with nitrogenase
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426.
Embryophyta includes
A
Angiosperms only
B
Algae and fungi
C
Bryophyta & Pteridophyta
D
All plants except thallophyta
Answer :
All plants except thallophyta
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427.
According to Oswald Tippo Angiosperms are placed under
A
Atracheata
B
Thallophyta
C
Tracheophyta
D
Spermatophyta
Answer :
Tracheophyta
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428.
Stored food in fungi
A
Starch
B
Proteins
C
Glycogen
D
Chitin
Answer :
Glycogen
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429.
It is much easier for a small animal to run uphill than for a large animal, because
A
it is easier to carry a small body weight
B
smaller animals have a higher metabolic rate
C
small animals have a lower $${O_2}$$ requirement
D
the efficiency of muscles in large animals is less than in the small animals
Answer :
smaller animals have a higher metabolic rate
Discuss Question
Basal metabolic rate is inversely proportional to body size. So smaller animals have a higher metabolic rate. Hence production of energy is more.
430.
The study of fossils is called
A
Palynology
B
Palaeontology
C
Fossil systematics
D
Pharmacognosy
Answer :
Palaeontology
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