Curriculum
Login

Curriculum

Biology & Geology

Chapter 2 - Hormonal Coordination in Living Organisms

0/32

Chapter 3 - Reproduction in Living Organisms

0/33

Chapter 4 - Immunity in Living Organisms

0/34

Chapter 5 - Molecular Biology - DNA Structure and Function

0/43

Chapter 6 - Molecular Biology - RNA, Protein Synthesis and Genetic Engineering

0/38
Quiz

Lesson 3 Quiz: The Human Reproductive System and Gametogenesis

Submit quiz
Once you submit, you will no longer be able to change your answers. Are you sure you want to submit the quiz?
1.
According to the Chain Rule, if y = (3 x2 - 5)4, then dy/dx is:
6 x (3 x2 - 5)3
12 x (3 x2 - 5)4
24 x (3 x2 - 5)3
4 (3 x2 - 5)3
2.
The reaction between an acid and a base to produce a salt and water is known as a:
Combustion reaction
Thermal decomposition reaction
Polymerization reaction
Neutralization reaction
3.
Which of the following compounds exhibits polar covalent bonding due to a significant difference in electronegativity between 0.4 and 1.7?
Sodium chloride (NaCl)
Chlorine gas (Cl2)
Methane (CH4)
Water (H2O)
4.
The enzyme extracted from RNA viruses and used to convert mRNA into a single strand of complementary DNA (cDNA) is:
Reverse transcriptase
RNA polymerase enzyme
Palace enzyme
Ligase enzyme
5.
If a, b, c form an arithmetic sequence, then the arithmetic mean b equals:
b = (a + c) / 2
b = sqrt(a * c)
b = 2 a c / (a + c)
b = a + c
6.
The enzyme that catalyzes the peptidyl transferase reaction and the formation of the peptide bond between amino acids during translation is:
Release factor protein
Helix enzyme
DNA polymerase enzyme
Part of the rRNA molecule that makes up the subunit of the ribosomal subunit
7.
The first human protein produced commercially using recombinant DNA technology to treat diabetics is:
Human hormone insulin (Insulin)
Growth hormone
Interferon protein
Hemoglobin
8.
Acids are chemical compounds that dissociate in aqueous solutions to produce:
Hydrogen ions (H+ or hydronium ions H3O+), turning blue litmus paper red
Precipitated metallic salts
Sodium ions and chlorine gas
Hydroxide ions (OH-) turning red litmus paper blue
9.
Which of the following oxides is classified as an amphoteric oxide that reacts with both acids and bases to yield salt and water?
Sodium oxide (Na2O)
Aluminum oxide (Al2O3)
Sulfur trioxide (SO3)
Carbon dioxide (CO2)
10.
The standard start codon in an mRNA molecule recognized by the first tRNA molecule carrying methionine is:
UAG
UGA
UAA
AUG
11.
The number of polar bodies resulting from the maturation and fertilization of 3 primary oocytes in the ovary of a human female is equal to:
3 Polar bodies
6 Polar bodies
12 A polar body
9 Polar bodies (assuming division of the first polar body)
12.
The method of action of antibodies that is considered the most appropriate and most efficient in inactivating viruses and preventing their penetration into cells is:
Alignment method
Decomposition method
Neutralization method
Deposition method
13.
A transition element whose +5 oxidation state compound (V2O5) is widely utilized as an industrial catalyst in the Contact Process for sulfuric acid manufacturing and as a colorant in ceramics is:
Manganese (25Mn)
Cobalt (27Co)
Vanadium (23V)
Scandium (21Sc)
14.
The motile phase (motile zygote / ookinete) in the life cycle of Plasmodium malaria is characterized by:
It secretes malaria toxin
It is diploid (2N) and penetrates the mosquito's stomach wall and turns into an egg sac
Haploid group N
It attacks red blood cells
15.
The equation of the tangent line to the curve y = x3 at the point (1, 1) is:
y = -3x + 4
y = 3x + 1
y = 3x - 2
y = x
16.
The thermal multiplex device (PCR - Polymerase Chain Reaction) depends on an enzyme that tolerates high temperatures called:
Amylase enzyme
RNA polymerase enzyme
Taq polymerase enzyme
Human DNA polymerase enzyme
17.
The amount of DNA in a human female secondary oocyte compared to a resting somatic skin cell (before replication begins) is:
Quarter
Equal (contains 46 DNA molecules in the form of 23 diploid chromosomes)
Half the quantity
Weakness
18.
Histone proteins responsible for shortening the length of the DNA molecule ten times and forming nucleosomes are characterized by being rich in the two basic amino acids:
Methionine and tryptophan
Glycine and alanine
Glutamic acid and aspartic acid
Arginine and lysine (Arginine & Lysine)
19.
The secondary meiotic division (Meiosis II) of human oogenesis takes place exclusively in the:
Cervical canal
Ovarian Graafian follicle
Fallopian tube (oviduct) at fertilization
Uterine cavity
20.
The enzyme used in the crucial experiment to verify the experiments of Avery and his colleagues, which completely analyzes DNA and does not affect protein or RNA, is:
Deoxyribonuclease enzyme
DNA polymerase enzyme
pepsin enzyme
Ribonuclease enzyme
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20