Biotechnology refers to
(a) Manipulation of Genes
(b) Cheese Making
(c) Manipulation of Biological Systems
(d) All of these
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Agriculture & Forestry
A plant disease caused by bacteria is called:
(a) Loose smut
(b) Crown gall
(c) Leaf rust
(d) Powdery Mildew
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Which of the following is non-renewable resource
(a) Wildlife
(b) Biodiversity
(c) Fossil Fuel
(d) Forest
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The first step in Photosynthesis is
(a) Excitation chlorophyll electron
(b) Photolysis of water
(c) Formation of NADPH2
(d) Formation of ATP
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The ovary in plants matures into
(a) Fruit
(b) Seed
(c) Endosperm
(d) Embryo
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The accumulation of CO2 in large quantities in the atmosphere causes the problem of
(a) Air pollution
(b) Over cooling of atmosphere
(c) Degradation of Biodiversity
(d) Green house effect
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Only plant cells contain
(a) Plasma membrane
(b) Mitochondria
(c) Chloroplasts
(d) Nucleolus
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Economically important Genetic traits in plants are influenced by the environment because these are
(a) Cytoplasmically inherited traits
(b) Monogenic traits
(c) Polygenic traits
(d) None of these
Genetic material of an organism changes with
(a) Age
(b) Environmental change
(c) Nutritional change
(d) None of these
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The process of programmed cell death is called
(a) Apoptosis
(b) Necrosis
(c) Degeneration
(d) Both (a) and (b)
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