Pre Test 4th Quarter Science 8
Quiz by Estela Santos
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- Q1
Where does digestion begin?
small intestine
mouth
stomach
large intestine
30sS8LT-IVa-13 - Q2
What role does saliva play in digestion
It moves food through intestine
It helps break down food
Saliva does not help with digestion.
It coats your stomach with protective lining.
30sS8LT-IVa-13 - Q3
In which part of the small intestine do most digestion take place?
pancreas
heart
duodenum
liver
30sS8LT-IVa-13 - Q4
What organs produce enzymes that help in digestion?
pancreas and liver
heart and kidneys
eyes and ears
nose and ears
30sS8LT-IVa-13 - Q5
What is the baglike muscular organ that mixes and chemically changes protein?
stomach
small intestine
liver
large intestine
30sS8LT-IVa-13 - Q6
The following statement differentiates mitosis from meiosis EXCEPT:
Mitosis produces diploid cells, while meiosis produces haploid cells
Mitosis produces 2 daughter cells, while meiosis produces 4 daughter cells.
Mitosis is a reduction division, while meiosis is a duplication division.
Mitosis occurs in body cells, while meiosis occurs in reproductive cells.
30sS8LT-IVd-16 - Q7
Which of the following statements accurately describes the process of gametogenesis?
Gametogenesis always results in haploid cells.
Gametogenesis always starts with haploid cells.
Gametogenesis occurs only in plants.
Gametogenesis is not necessary for mammals.
30sS8LT-IVd-16 - Q8
Which of the following statements is TRUE about oogenesis ?
It produces one haploid ovum.
It produces four diploid ova.
It produces four haploid ova
It produces one diploid ovum.
30sS8LT-IVd-16 - Q9
Which of the following events take place during telophase of mitosis and telophase II of meiosis?
Alignment of chromosomes at the equatorial plate.
Movement of daughter chromosomes toward the poles.
Shortening of the spindle fiber.
Reformation of the nuclear membrane
30sS8LT-IVd-16 - Q10
What process in Meiosis I is being shown by this illustration ?
synapsis
homologous chromosomes
tetrad
crossing over
30sS8LT-IVd-16 - Q11
What does the notation ii (constricted pod shape) mean to geneticists?
at least one recessive allele
two dominant alleles
two recessive alleles
one dominant allele and one recessive allele
30sS8LT-IVf-18 - Q12
Which of the following best describes the law of Independent assortment?
There are two genes that control inheritance.
There are dominant and recessive genes.
Two genes of the same characteristic separate into different gametes
Genes controlling different characteristics are inherited independently of each other.
30sS8LT-IVf-18 - Q13
By just looking at a Mayana plant will give information concerning its
heterozygous alleles.
genotype.
recessive alleles.
phenotype.
30sS8LT-IVf-18 - Q14
How will you describe the allele of an Rr pea plant if R represents a gene for round seed and r for wrinkled seed?
a homozygous phenotype
a homozygous genotype
a heterozygous genotype
a heterozygous phenotype .
30sS8LT-IVf-18 - Q15
If green pea with heterozygous axial flower (Aa) is crossed with a terminal flower (aa),what is the probability that an offspring will have an axial flower?
50 %
75 %
100 %
25 %
30sS8LT-IVf-18