MCQ
Kinetochore is present in
- AMitochondria
- ✓Chromosomes
- CLysosomes
- DSphaerosomes
(b) Kinetochore is the place of chromosome where spindle fibres attached at the time of cell division.
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$a.$ Constantly dividing cells.
$b.$ Cell walls are primary in nature.
$c.$ New cell wall deposition.
$d.$ Increased vacuolation.
$e.$ Possess large conspicuous nuclei.
Assertion $A:$ $ATP$ is used at two steps in glycolysis.
Reason $R:$ First $ATP$ is used in converting glucose into glucose$-6-$phosphate and second ATP is used in conversion of fructose-6-phosphate into fructose$-1,6-$diphosphate.
In the light of the above statements, choose the correct answer from the options given below :
$I.$ Asexual reproduction is mainly by flagellated zoospores produced in zoosporangia.
$II.$ The sexual reproduction shows considerable variation in the type and formation of sex cells and it may be isogamous, anisogamous and oogamous.
Which of the statements given above are correct?