Leptotene MCQs : This section focuses on the "Leptotene". These Multiple Choice Questions (MCQs) should be practiced to improve the Leptotene skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
Choose the wrong statement out.
A. The leptotene chromosomes are arranged around an axis
B. The chromosomes form loops
C. The unbranched loops are lateral
D. Lateral filaments composed of two independent protein fibrils, one for each chromatid.
Question 2
During leptotene there are ___________polyribosomes and ___________ ER vesicles in cytoplasm.
A. Few, many
B. Many, few
C. Few, Few
D. Many, Many
Question 3
In haploid organism meiosis takes place in _____________
A. Somatic cell
B. Zygote
C. Gamete
D. Egg
Question 4
Lillium, a plant, will lack bouquet structure in letotene.
A. True
B. False
Question 5
Meiosis is called reduction division.
A. True
B. False
Question 6
The reduction division of mitosis is _________________
A. The 1st division
B. The 2nd division
C. The G2 phase
D. The telophase
Question 7
The leptotene Bouquet stage is seen in ______________
A. Plants
B. Bacteria
C. Yeast
D. Insect
Question 8
Which of the following is directly correlated to polyribosomal synthesis in leptotene stage?
A. RNA synthesis
B. Protein synthesis
C. Protein turnover
D. Protein function
Question 9
Which of the following is not true for leptotene phase?
A. It is a short phase
B. Chromosomes have beads on a string appearance
C. Longitudinal double nature of chromosome starts to appear
D. Bouquet like structure is formed
Question 10
Which of the following is true for pre-leptotene phase?
A. Chromosome compaction
B. Pairing of homologous
C. Marked increase in nuclear volume
D. Disappearance of nuclear membrane