221.Oxygen released in the
process of photosynthesis comes from
A. water
B. oxygen
C. carbon dioxide
D. nitrogen dioxide
222.Phloem tissue is found in
A. liver
B. placenta
C. plants
D. none of these
223.Plant bends towards the
source of light on account of the movement known as
A. geotropism
B. hydrotropism
C. chemotropism
D. phototropism
224.Animal lacks
A. starch
B. cellulose
C. protein
D. lipids
225.On which of the following
plants did Gregor Mendal perform his classical experiment
A. corn
B. mustard
C. pea
D. sunflower
226.Among the biotic
components of the ecosystem, the producer system is
A. carnivores
B. herbivores
C. plants
D. animals
227.Breeding and management
of bees is known
A. agriculture
B. sericulture
C. horticulture
D. apiculture
228.Study of fossils is
called
A. psychology
B. paleontology
C. biodiversity
D. haematology
229.Which is an example of
fungi
A. paramecium
B. euglena
C. penicillium
D. octopus
230.The scientific name of
human is
A. Homo sapiens
B. Homo habiscus
C. Oriza sativa
D. none of these
ANSWERS:
221.A
222.C
223.D
224.B
225.C
226.C
227.D
228.B
229.C
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