Chromosomes with two unequal arms is
(A) Metacentric
(B) Sub-metacentric
(C) Acrocentric
(D) Both B and C

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?

Identify the correct match betwenn types of chromosomes and their descrptions {:("Chromosomes", "Position of centromere"),(A."Metacentric",1."At the tip"),(B."Submetacentric",2."Almost near the tip"),(C."Acrocentric",3."At the middle"),(D."Telocentric",4."Slightly away from the middle"):}

A: Telocentric chromosome has two unequal armsltBRgt The centromere is situred close to its end forming one extremely short arm.

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.

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

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

Differentiate between a. metacentric and telocentric b. Nucleus and nucleolus

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.

The locus of the point at which two given unequal circles subtend equal angles is: (A) a straight line(B) a circle (C) a parabola (D) an ellipse