13.Cloning is said to be unethical if done with multicellular organisms
like animals or humans. However, it is used in plants. What is the
example of cloning in plants?
a. Agriculture
b. Cutting
c. Horticulture
d. Teraculture
14.Which of the following is NOT correct cloning?
a. It is about creating of copies of DNA fragments.
b. It is too unethical that can’t be applied in any organisms.
c. It is the copying of genes to create an exact same organism.
d. Creating a new multicellular organism, identical to another.
15.It is the process of transferring a tissue fragment to artificial
environment to further study the cell.
a. Tissue culture
b. Tissue sectioning
c. Tissue sterilization
d. Tissue fragmentation
16.This is the exchange of genetic material between non-sister chromatids
of homologous chromosomes during meiosis.
a. Chiasmatic
B. Cytokinesis
C. Crossing Over
D. Exchange over
17.This is the process by which pieces of DNA are broken and recombined
to produce new combinations of alleles.
a. Combination
B. Combo Making
C. Recombination
D. Recombined
18.
Under oogenesis, which of the following cells is arrested at
prophase I?
a. Ovum
b. Oogonium
c. Primary oocyte
d. Secondary oocyte
19.Which of the following is NOT true about spermatogenesis? A. It is a
continuous process.
B. It produces non-motile gametes
C. All stages happened and completed in testes
D. There is equal cytokinesis producing 4 sperms.
20.
How meiosis helps in repairing defective chromosomes?
a. Meiosis can change the entire chromosome to a new one from a
healthier parent.
b. Meiosis can alter the chromosomes through separation of sister
chromatids.
c. Meiosis can change the chromosome to a healthy one through
recombination.
d. Meiosis cannot help in repairing damage chromosomes since
repairs happen in checkpoints.