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______________.
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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:
b. Fatty acids
c. Amino acids
d. Isoprenoid units
ii. A cell consists of three major components which are nucleus, cytoplasm and:
b. Cell plasma membrane
iii. Translocation is an example of:
a. Chromosomal structural aberrations
b. Point mutation
iv. Mendel’s hereditary factors have been given the name of:
v. Green colour blindness is called:
vi. Which of the following are nonsense codons?
a. UAA, UAG, UGA
b. UAA, UCU, ACA
c. CUA, UUA, UUG
d. AUG, AUA, AUU