Botany Cell Biology Genetics and Evolution MCQs Objective Papers

Q. 1. Fill in the blanks
Please fill in the blanks with appropriate terms/words
i.   ___________can take place in haploid and in diploid cells in all parts of the body.
ii.   A condition in which the organisms have more than complete sets of chromosomes is called____________.
iii.   The study of transfer of hereditary characters from parent to offspring is called______________.
iv.   A gamete without any sex chromosome is called _____________ gamete.
v.  Linked genes can be separated by _____________.
vi.  RNA polymerase can initiate transcription at specific DNA sequence called_____________.
vii.  All the chemical reactions taking place within a cell are collectively called_____________.
viii.  The covalent bond between two monosaccharides  is called______________.
ix.   Acylglycerols are composed of glycerol and_____________.
x.  Transfer of genetic material from one bacterium to another is called_____________.
xi.  Recombinant DNA is introduced into the host cell by means of a_____________.
xii.  Glyoxisomes are most abundant in plant _____________ storage tissues.
xiii.  The preservation of gene pool is called_____________.
xiv.  _____________ is the part of the gene that will become a part of final mature RNA.
xv.  _____________reduces the chances of genetic recombination and variations among
xvi.  The double helical structure was first discovered by_____________.
Q. 2. True or False statements

i.     Chloroplast and mitochondria do not have hereditary material.  T  F
ii.     The nuclear membrane is actually a nuclear envelope composed of three membranes.T  F
iii.     Genes are the units of inheritance.  T  F
iv.     The position of gene on the chromosome is called its locus.  T  F
v.    The cross in which one trait is followed at a time is called dihybrid cross.T  F
vi.    Random mating occurs in natural populations.   T  F
Q. 3. Multiple Choice Questions
i. Nucleic acids are polymers of units called:
a. Nucleotides
b. Fatty acids
c. Amino acids
d. Isoprenoid units
ii. A cell consists of three major components which are nucleus, cytoplasm and:
a. Mitochondria
b. Cell plasma membrane
c. Protoplast
d. Chloroplast
iii. Translocation  is an example of:
a. Chromosomal structural aberrations
b. Point mutation
c. Transcription
d. Polysome
iv. Mendel’s hereditary  factors have been given the name of:
a. Units
b. Elementens
c. Genes
d. Representatives
v. Green colour blindness is called:
a. Protanopia
b. Deuteranopia
c. Greenopia
vi. Which of the following are nonsense codons?

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