Q] Choose one option for each
1) The oil used for oil-immersion microscope is
a) cedar wood oil b) clove oil c) light machine oil d) olive oil

2) Viruses can be photographed through the use of the
a) Polaroscope b) Spectroscope c) Geiger-Muller counter d) electron microscope

3) The thickness of plasma membrane is
a) 34 A degree b) 40 A degree c) 75 A degree d) 100 A degree

4) Cyanobacteria are
a) photoheterotrophs b) photoautotrophs c) chemoautotrophs d) chemoheterotrophs

5) Endoplasmic reticulum is associated with
a) excretion b) Cell metabolism c) secretion d) Protein synthesis

6) Organism which carries 3 or more sets of chromosomes in its nucleus is called
a) triploid b) polyploid c) pentaploid d) aneuploid



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These are
1 a
2 d
3 c
4 b
5 d
6 a
2 5 2
i have to mark this as the best
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but their is no option for that
thanks & welcome
there is one more question i posted it