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General Knowledge - Biology

Exercise : Biology - Section 1
  • Biology - Section 1
26.
Placenta is the structure formed
by the union of foetal and uterine tissue
by foetus only
by fusion of germ layers
None of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
Plants hormone that induces cell division is
auxins
gibberellins
kinins
domins
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
Neurospora is used as genetic material because
it has short life cycle of 10 days
the product of single meiosis can be easily analysed
meiotic products are linearly arranged in the form of ordered tetrads
is a diploid fungus
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
Phloem is a tissue found in
reproductive organs of animals
plants
insects
mammals
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
N2 content is kept constant in the biosphere due to
N2 fixation
industrial pollution
nitrogen cycle
absorption of N2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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