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WorksheetsCAPE QUIZ 1
Total questions: 20
Worksheet time: 20mins
From the position and shape of the chromosomes, what stage of Mitosis has been reached?
Early Telophase
Mid - Metaphase
Mid - Prophase
Early Anaphase
One role of transfer RNA during protein synthesis is
To deliver amino acids to ribosomes
To carry protein building instructions from DNA into the cytoplasm
Act as a supporting framework for polypeptide chains
Terminate the elongation of the polypeptide chain
The copying of a DNA strand to create a mRNA strand is called
Translation
Transcription
Gene duplication
Gene reshuffling
Which of the following methods of Asexual Reproduction is incorrect, either by definition or example
Binary fission
Fragmentation
Budding
Spore formation
Which of the following structures is NOT involved in Asexual reproduction
Stamen
Bulb
Tuber
Rhizome
Which of the following illustrates the semi-conservative method of DNA replication.
I
II
III
IV
Which of the following is found both in tRNA and DNA
Uracil
Ribose
Sugar-phosphate backbone
Double helix structure
The image shows a tRNA molecule. Which of the letters shows where an amino acid would be attached?
A
B
C
D
A horticulturist has bred a Hibiscus variety which bears violet varieties. Which method of propagation is MOST appropriate for rapid production of a large number 9f clonal plants?
Seed
Cutting
Fragmentation
Tissue Culture
Which of the following occur in asexual
reproduction ONLY?
Offspring are genetically the same
and gametes are almost never
involved.
Offspring are genetically the same
and there is fusion of gametes
Gametes are never involved
and offspring are genetically
different
Gametes are never involved and
there is fusion of haploid nuclei.
You would expect a cell with an extensive Golgi apparatus to
Make ATP
Secrete alot of materials
Move actively
Perform photosynthesis
What method of vegetative reproduction is illustrated in the image
Cutting
Layering
Grafting
The following are advantages of tissue culture, EXCEPT
Disease- free plants - Viruses
bacteria and fungi can be
eliminated during sterilization
Weather conditions do not affect the
culture stock
The process is quick and results in a
large number of individuals being
produced
Requires special training
In tissue culture, what is needed to produce the culture medium
Nitrogen compounds
Vitamins
Sucrose
Agar
Bleach and Alcohol
A runner is a special type of
Stolon
Stem
Reproductive structure
Features of DNA Polymerases
They need a template strand
They read 5' to 3' along DNA
They connect nitrogen bases using phosphodiester bonds
They are used for proof-reading newly created DNA
Which term is not associated with DNA replication?
Okazaki fragments
Primase
Promoter region
Ligase
These membrane structures act as antennae to detect other cells
Glycolipids
Proteins
Cholesterol
Glycoprotein
Why is the copied portion of DNA longer than the functional mRNA molecule copied from it?
The DNA portion contains many genes
The DNA portion contains a promoter region
The exon portions are included in the mRNA
The intron portions are included in the mRNA
Which of the following is NOT a role of
phospholipids in cell membranes?
Act as a barrier for movement of
materials
Form vesicles in the process of
phagocytosis
Maintain the cell and organelles
within a fluid environment
Directly move material along a
concentration gradient
