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WorksheetsG10_LONG QUIZ_Q3
Total questions: 50
Worksheet time: 50mins
Which hormones play the central role in both male and female reproductive functions?
Estrogen and testosterone
Progesterone and luteinizing hormone
Testosterone and follicle - stimulating hormone
Luteinizing hormone and follicle-stimulating hormone
What is the correct pathway of sperm from where it is produced to where it is released out of the body?
Epididymis > urethra > vas deferens
Testes > epididymis > vas deferens
Testes > vas deferens > urethra
Urethra > vas deferens > testes
What is the correct pathway of an egg cell from where it is produced to where it is released and fertilized by a sperm cell?
Ovary > fallopian tube
Fallopian tube > ovary
Ovary > fallopian tube > uterus
Uterus > fallopian tube > ovary
What sex hormone stimulates the development of secondary sexual characteristics in females?
Estrogen
Follicle-stimulating hormone
Progesterone
Testosterone
The following are secondary sexual characteristics of females EXCEPT
round hips
enlargement of the breast
deep voice
finer hair all over the body
The following are secondary sexual characteristics of males EXCEPT
deeper voice
narrow hips
growth of mustache
enlargement of the breast
Which word pair is not related to each other?
Ovaries: egg cells
Corpus luteum: estrogen
Testes: sperm cells
Leydig cells: testosterone
Sperm cells are sensitive to temperature that is why the testes are located outside the abdominal cavity and enclosed in a scrotum. At what temperature the sperm cells are likely to divide?
3o C lower than 37o C
5o C lower than 37o C
3o C higher than 37o C
37o C, same as normal body temperature
Whenever an egg is ovulated, the endometrial lining prepares for possible implantation of the fertilized egg. To prepare for potential pregnancy, the __________ releases __________.
ovary; luteinizing hormone
corpus luteum; progesterone
corpus callosum; estrogen
endometrium; luteinizing hormones
At which stage in the menstrual cycle does the proliferative phase occur?
Days 1-5
Days 5-14
Days 15-28
Days 28-35
Which statement is true about menstruation?
In a normal 28-day menstrual cycle you would expect menstruation to last approximately 3-5 days.
During menstruation, the entire endometrium is shed.
During menstruation only the functional layer of the endometrium is shed, with the basal layer remaining intact.
Absence of menstruation always indicates an active pregnancy.
Where are luteinizing hormone (LH) and follicle-stimulating hormone (FSH)
Hypothalamus
Posterior pituitary
Pituitary Gland
Adrenal glands
What is the path that blood travels during menstruation?
Uterus, fallopian tube, vagina
Uterus, cervix, vagina
Vagina, uterus, fallopian tube
Cervix, uterus, vagina
How many days are in an average menstrual cycle?
7
14
28
35
Which hormone is the corpus luteum responsible for producing?
Estrogen
Follicle-stimulating hormone
Progesterone
Luteinizing hormone
At which point in the menstrual cycle is a woman most fertile?
Days 1-5
Days 9-16
Days 17-21
Days 22-28
Which division of the nervous system is responsible for the fast beating of the heart?
Central nervous system
Parasympathetic nervous system
Somatic nervous system
Sympathetic nervous system
What type of nerve cells are found only within the brain and spinal cord?
Efferent neuron
Interneuron
Motor neuron
Sensory neuron
The receptors in a girl’s body detect changes in the environment. Which organs of the body contain the receptors for flashing red lights of an ambulance car?
Eyes
Ears
Nose
Skin
Which system carries the information to all parts of the body?
Circulatory system
Endocrine system
Nervous system
Respiratory system
Communication and regulation within your body are needed for homeostasis. Which system (s) provides this communication and regulation?
Endocrine system only
Nervous System and Endocrine System
Nervous system only
Immune System and Nervous System
Which hormone has no significance in maintaining the sugar level in the blood?
Calcitonin
Cortin
Insulin
Parathormone
Humans can react to changes in the environment because of the nervous system. Which word means a change in the environment?
Hormone
Neuron
Reaction
Stimulus
Which best describes a DNA molecule?
Ribose
Double helix
Contains Uracil
Made of amino acids
Which units are repeatedly joined together to form a strand of DNA?
Amino acids
Fatty acids
Nitrogenous Bases
Polysaccharides
Which is the sugar found in RNA?
Amylose
Deoxyribose
Maltose
Ribose
Which statement correctly differentiates RNA from DNA?
RNA is single-stranded and DNA is double-stranded
RNA is double-stranded and DNA is single-stranded
RNA has deoxyribose and DNA has ribose
DNA uses Uracil and RNA uses Thymine
How many types of nitrogenous bases are present in nucleic acid?
One
Two
Three
Four
Which statement is TRUE regarding DNA and RNA?
DNA's sugar is ribose; RNA's sugar is deoxyribose
DNA is single-stranded; RNA is double-stranded
DNA contains thymine; RNA contains uracil
DNA is in the cytoplasm; RNA is in the nucleus
Which is NOT a necessary component of translation?
Anticodon
mRNA
Ligase
Amino acid
Which site of the tRNA molecule binds to the mRNA molecule?
Anticodon
Codon
Amino acid
5 prime end
RNA is synthesized on a DNA template in a process called ______, which utilizes the enzyme _______
translation, RNA polymerase
transcription, RNA polymerase
transcription, DNA polymerase
replication, DNA polymerase
What is the lagging strand sequence if the leading strand sequence of DNA is TTA CCG ATC GAA?
UAU CCG AUG CUA
TCG CCC AUG CUA
GCG CCG ATG GUA
AAT GGC TAG CTT
How many amino acids can be identified if the coded mRNA sequence
is GCAUUACAUGGCGGA ?
7
6
5
4
What is the nitrogen base pair of Adenine in transcription?
cytosine
guanine
thymine
uracil
A mistake in nitrogen base pairing may occur without a known cause. But this spontaneous mutation allows cells to repair damaged DNAs. How can cells repair damaged DNAs?
I. Nitrogen base removal
II. Nucleotide removal
III. Mismatch repair
I and II
II and III
I and III
I, II and III
Which describe/s gene mutation?
I. Deletes a segment of a chromosome without a centromere
II. Changes structure and function of a protein
III. Creates a different protein
I and II
II and III
I and III
I, II and III
If the DNA strand AAA TCG AGG CCA is transcribed to an mRNA, which
shows an occurrence of addition?
AAA TCG AGC CA
AAA TCG AGA GCC A
UUU AGC UCG GU
UUU AGC UCA CGG U
Which pair about the types of mutation is incorrectly matched?
Translocation: gene
Gamma: Ionizing Radiation
Duplication: chromosomal
UV radiation: Non-ionizing radiation
Why is nonsense mutation harmful to the organism?
I. It shortens the amino acid sequence
II. It changes the structure of the protein
III. It changes the function of the protein produced
I only
II only
Both I and II
I, II, and III
How does silent mutation affect protein production in the cell? Silent
mutation _____
changes the amino acid sequence
shortens amino acid sequence
shortens the chromosomal strand
changes the base sequence but similar protein
High energy radiation ejects the electrons in an atom causing free radicals. Which are examples of high-energy radiation?
Ultraviolet and X-rays
Ultraviolet and gamma
Gamma and X-rays
Gamma, X-rays and Ultraviolet
How can bacteria cause mutation in their host?
It causes inflammation, breakage, and damage to the DNA
It inserts its DNA into the genome of the host.
It changes location in a chromosomal DNA
Which piece of evolution evidence deals with aged and identified fossils?
Comparative biochemistry
Comparative embryology
Comparative anatomy
Fossil record
Which piece of evolution evidence deals with similar molecules in related individual species?
Comparative embryology
Comparative anatomy
DNA comparison
Fossil records
Which piece of evolution evidence deals with comparing similar structures in various species?
Comparing biochemistry
Comparing embryology
Comparing anatomy
Fossil record
Which piece of evolution evidence deals with structures common in embryos that form differently or for different purposes in adult form?
Comparing biochemistry
Comparing embryology
Comparing anatomy
Fossil record
Which word is defined as the same structure in different species indicating a common ancestor?
Homologous structures
Analogous structures
Vestigial structures
DNA
Some organisms that share a common ancestor have features that have different functions but similar structures. These are known as ______.
Homologous structures
Analogous structures
Vestigial structures
Fossil structures
Which phrase best describes the process of evolution?
The development of characteristics in response to a need
The development of man from monkey-life ancestors
The change of simple to complex organisms
Change of populations through time
