A. 12
B. 24
C. 22
D. 23
Related Mcqs:
- A normal plant suddenly started reproducing parthengentically. the number of chromosomes of the second generation compared to the parent plant will be____________________?
A. Double
B. One half
C. One fourth
D. Same - Haploid plants have been produced by another culture in tomato by_________________?
A. Greshof and Doy (1972)
B. Tyagi and Prasad (1965)
C. Mehta and Upadhya (1960)
D. Singh (1960) - If a haploid chromosome number of a gymnosperm is 12 the chromosome in its endosperm will be__________________?
A. 6
B. 12
C. 24
D. 36 - If diploid chromo me number in flowering plant is 8 then 4 chromosomes will be present in_________________?
A. Endosperm cell
B. Leaf cells
C. Cotyledonary cell
D. Synergids - When a cell with 40 chromosomes undergoes meiosis each of the four resulting cells has_____________________?
A. 10 chromosomes
B. 20 chromosomes
C. 40 chromosomes - Duplication of chromosomes occurs during_________________?
A. Mitosis only
B. Meiosis
C. Mitosis and meiosis
D. None of the above - In meiosis homologous chromosomes separate from each other in ______________________?
A. metaphase I
B. Auaphase I
C. Metaphase II
D. Anaphase II - Polytene chromosomes were first observed by___________________?
A. Mendel (1810)
B. Balbiani (1881)
C. Allard (1910)
D. Baranetzky (1910) - A rearrangement of a group of genes in a chromosome in such a way that their order in the chromosomes is reversed is known as _____________________?
A. Inversion
B. Conversion
C. Recessive gene
D. Realignment - The giant chromosomes of Drosophila are found in_____________________?
A. Testes
B. Salivary glands
C. Ovaries
D. Muscles
