WorksheetsEarth & Life Science, Quarter 2 Summative Test 2
Total questions: 20
Worksheet time: 2mins
The carpel or the female reproductive organ has the following structures except,
stigma
style
pollen
ovary
The reproductive organs of the plant are inside the:
stem
roots
flower
leaves
In the male part of the plant, the stamen is made up of the:
stigma and style
filament and stigma
anther and stigma
filament and anther
Which of the following are ways plant seeds are dispersed?
by the wind
by being eaten by animals
by floating away in water
all of the above
The transfer of pollen grains from the anther of one plant to the stigma of another plants is called _______.
Self-Pollination
Cross Pollination
Vegetative Propagation
Double Fertilization
The choices below are the advantages of asexual reproduction except,
Cannot be dispersed long distances
No need for pollinator
Can grow rapidly in a stable environment
Energy economical
What method of animal reproduction involves development of a female (rarely a male) gamete (sex cell) without undergoing fertilization?
Budding
Fragmentation
Binary Fission
Parthenogenesis
Sexual reproduction is the process of joining the haploid gametes (sex cells) to form a diploid cell called a ________.
Embryo
Sperm Cells
Zygote
Egg Cells
Female gamete: egg cell Male gamete : _______________
Embryo
Sperm Cells
Zygote
Egg Cells
What type of reproduction that involves two organisms of the same species with similar appearance but have different biochemical composition?
Conjugation
Syngamy
Binary Fission
Parthenogenesis
It is the process in which genetic material is transferred from one organism to another.
Genetic Mutation
Transcription
Genetic Engineering
Translation
GMO means ___________.
Genetically Material Organism
Genetically Modified Organism
Generally Modified Organism
Generally Material Organism
What are the base-pairing rules for DNA?
A-G, T-C
A-C, T-G
A-T, G-C
C-G, T-G
The stage when RNA is transformed into a chain of amino acids.
Transcription
Termination
Translation
Initiation
A group of molecules that is responsible for carrying and transmitting the hereditary materials from parents to offspring.
RNA
DNA
Protein
Amino Acid
During this stage, the cell produces a copy of its DNA.
Transcription
Termination
Translation
Initiation
An inherited disorder that builds up an amino acid called phenylalanine in the body.
Down Syndrome
Duchenne Muscular Dystrophy
Hemophilia
Phenylketonuria
Genetic modification can be completed by a number of different methods except,
Removal of genes
Inserting new genetic material
Sexual reproduction
Mutation of existing genes
Which among the choices below states the advantage of genetic engineering?
Drought/freeze resistant
Increased use of pesticide
Seed and pollen drift
Allergic reaction
All the choice below are risks of using GMOs except,
Food allergy
Decreased nutritional value
Long-term effect
Increased nutritional value
