• August 3, 2021

Biology MCQ on Chromosome Structure for NEET and Medical Exam 2021

MCQ on Chromosome Structure: Biology is one of the most important and vital sections in NEET. It includes theories, descriptions, discoveries, diagrams, definitions, explanation of differences and relations. Most of the concepts covered in the NEET syllabus are from the NCERT syllabus of Class 11 & 12. Other related sources make up for the rest of the syllabus.

MCQ on Chromosome Structure

In this post we are providing you MCQ on Chromosome Structure, which will be beneficial for you in upcoming NEET, AIIMS, JIPMER, PGIMER, CBSE Board, ICSE Board, Class 12th, 11th.

MCQ on Chromosome Structure

Q1. A chromosome is the thickest during ______.
a) anaphase
b) prophase
c) interphase
d) metaphase

View Answer

 

Q2. In which typical stage are Lampbrush chromosomes observed?
a) meiotic prophase
b) mitotic metaphase
c) mitotic prophase
d) mitotic anaphase

View Answer

(a) meiotic prophase

Q3. The least level of chromosome organization is ______.
a) 30nm fibre
b) solenoid
c) nucleosome
d) none of the above

View Answer

(c) nucleosome

Q4. If Bb is a gene pair of an individual then the alleles for this gene pair are ______.
a) A and B
b) a and A
c) a and b
d) b and B

View Answer

(d) b and B

Q5. The point at which polytene chromosomes appear to be attached together is known as ______.
a) centriole
b) centromere
c) chromomere
d) chromocenter

View Answer

(d) chromocenter

Q6. Each of the chromosome at the anaphase stage of a bone marrow cell in our body has ______.
a) one chromatid
b) two chromatids
c) several chromatids
d) no chromatids

View Answer

(a) one chromatid

Q7. This has the largest number of chromosomes ______.
a) Pisum sativum
b) Giant redwood tree
c) Haplopappus gracilis
d) Ophioglossum reticulatum

View Answer

(d) Ophioglossum reticulatum

Q8. The diagrammatic representation of karyotype (morphological representation of chromosomes) of a species is known as ______.
 a) Cladogram
b) Ecogram
c) Chromogram
d) Idiogram

View Answer

(d) Idiogram

Q9. Euchromatin ______.
a) stains lightly
b) is partially condensed
c)  genetically active chromatin with genes
d)  all of the above

View Answer

(d) all of the above

Q10. A chromosome with a very short arm and a very long arm is referred to as ______.
a) Metacentric
b) telocentric
c) Acrocentric
d) Sub-metacentric

View Answer

(c) Acrocentric


MCQ Link for NEET/JEE
JEE/NEET Physics MCQ Click Here
NEET/JEE Chemistry MCQ Click Here
NEET Biology MCQ Click Here
JEE Math’s MCQ Click Here

 

Notes PDF Link for NEET/JEE
Physics Notes PDF Click Here
Chemistry Notes PDF Click Here
Biology Notes PDF Click Here
Math’s Notes PDF Click Here

 


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By Team Learning Mantras