General Knowledge - Biology

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  • Section 1
"Everything you can imagine is real."
- Pablo Picasso

O2 released in the process of photosynthesis comes from

A. CO2B. water
C. sugarD. pyruvic acid


Placenta is the structure formed

A. by the union of foetal and uterine tissue
B. by foetus only
C. by fusion of germ layers
D. None of these


Plants hormone that induces cell division is

A. auxinsB. gibberellins
C. kininsD. domins


Neurospora is used as genetic material because

A. it has short life cycle of 10 days
B. the product of single meiosis can be easily analysed
C. meiotic products are linearly arranged in the form of ordered tetrads
D. is a diploid fungus


Phloem is a tissue found in

A. reproductive organs of animals
B. plants
C. insects
D. mammals


N2 content is kept constant in the biosphere due to

A. N2 fixation
B. industrial pollution
C. nitrogen cycle
D. absorption of N2

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