300+ TOP MCQs on Chromosome Structure and Answers

NEET Biology is the vey important paper in the medical entrance exam. Here, you will discover the NEET Biology MCQs and Answers for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Biology objective questions on air pollution . NEET Biology Chromosome Structure Multiple Choice Questions

MCQs on Chromosome Structure :

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

Answer

Answer: (c)

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

Answer

Answer: (d)

3. 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

Answer

Answer: (c)

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

Answer

Answer: (d)

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

Answer

Answer: (d)

6. 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

Answer

Answer: (d)

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

Answer

Answer: (d)

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

Answer

Answer: (d)

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

Answer

Answer: (a)

10. 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

Answer

Answer: (a)

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