Only plant cells contain
(a) Plasma membrane
(b) Mitochondria
(c) Chloroplasts
(d) Nucleolus
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Biology
The process of programmed cell death is called
(a) Apoptosis
(b) Necrosis
(c) Degeneration
(d) Both (a) and (b)
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Quantitative traits are measurable traits that show
(a) Discontinuous variation
(b) Continuous variation
(c) Phenotypic
(d) None of these
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The amino acids which cannot be synthesized by the mammals are called
(a) Basic amino acids
(b) Non-essential amino acids
(c) Essential amino acids
(d) Non-Polar amino acids
The amino acids which cannot be synthesized by the mammals are called Read More »
Antibiotics are produced by the:
(a) Plants
(b) Microorganisms
(c) Animals
(d) All of these
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The shrinkage of protoplasm due to osmosis of water from the cell is known as:
(a) Hydrolysis
(b) Endomosis
(c) Dehydration
(d) Plasmolysis
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The most suitable part of the plant for the study of Meiosis is
(a) Young bud
(b) Anther Â
(c) Root tip
(d) Shoot apex
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Synapsis of chromosomes occurs between
a) Sister chromatids
b) Homologous chromosomes
c) Non homologous
d) None of these
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Sex nucleus that fuses with another in sexual reproduction is:
(a) Cell
(b) Gamete
(c) Spore
(d) None of these
Sex nucleus that fuses with another in sexual reproduction is: Read More »