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Metacentric chromosomes have...

Metacentric chromosomes have

A

no arms

B

equal arms

C

unequal arms

D

one arm

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The correct Answer is:
B
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Read the assertion and reason carefully to mark the correct option in question. Assertion: Sub-metacentric chromosome has one shorter and one longer arm. Reason: Metacentric chromosome have one very long and one very short arm.

In anaphase, a metacentric chromosome appears :-

Assertion :- Metacentric chromosomes attain 'V' shaped appearance during poleward movement of anaphasic chromosomes. Reason:- In metacentric chromosomes there is medianly placed centromere with two equal arms.

Assertion : The acrocentric chromosome has centromere at the terminal position. Reason : The metacentric chromosome has centromere slightly away from the middle of the chromosome.

Metacentric, submetacentric, telocentric and acrocentric chromosomes are classified on the basis of:-

If the idiogram of Allium cepa shows 4 metacentric, 4 submetacentric, 4 acrocentric and 4 telocentric chromosomes, what is the ratio of centromeres to arms?

What is the feature of a metacentric chromosome?

Shape of metacentric chromosome in anaphase is

TRUEMAN BIOLOGY-CELL- THE BASIC UNIT OF LIFE ( CELL AND ITS STRUCTURAL ORGANISATION )-MULTIPLE CHOICE ANSWER TYPE
  1. Which of the following structures has single membrane ?

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  2. Nucleoli are not found in

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  3. Metacentric chromosomes have

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  4. L- shaped chromosomes are termed :

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  5. Centromere is required for

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  6. Coiled dense, deep stain portions of chromosomes are designated as

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  7. Chromosomes are best observed at metphase. For studying the shape, bes...

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  8. Nuclear membrane is derived from

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  9. Nucleoproteins are synthesized by

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  10. The eukaryotic cells are essentially two envelope system because the...

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  11. Which of the following statements justifies that " the cell is a s...

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  12. Functionally like prokaryotes but otherwise found in eukaryotes in

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  13. The ER acts as a circulatory or transporting system. Choose the c...

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  14. Which of the following is related to glycosidation of lipids and g...

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  15. The membrane of endoplasmic reticulum remains continuous with membr...

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  16. Cytoskeleton of cell is made up of

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  17. The larger and smaller subunits in 80 S ribosome are

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  18. The functional unit in the synthesis of protein is

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  19. A cell organelle common in Protista and Monera is

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  20. Which of the following is not a function Golgi complex ?

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