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Biology & Geology

Chapter 1 - Support and Movement in Living Organisms

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Chapter 2 - Hormonal Coordination in Living Organisms

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Chapter 3 - Reproduction in Living Organisms

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Chapter 4 - Immunity in Living Organisms

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Chapter 5 - Molecular Biology - DNA Structure and Function

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

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Chapter 7 - Geology, Earth Sciences and Ecology

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Quiz

Lesson 3 Quiz: The Human Reproductive System and Gametogenesis

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  • Questions count: 20
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1.
Combined contraceptive pills are considered an effective method because they:
The fallopian tubes close mechanically
It kills sperm
It contains synthetic hormones similar to estrogen and progesterone that inhibit the secretion of FSH and LH from the pituitary, thus preventing the maturation of eggs and the occurrence of ovulation.
Placental abruption
2.
The contraceptive method that prevents the fertilized egg from settling in the uterine lining without hindering the ovulation or fertilization processes is:
Condom
Surgical ligation of the fallopian tubes
IUD
Contraceptive pills
3.
The location where fertilization of the egg by the sperm occurs in the human female reproductive system is:
the vagina
Internal uterine cavity
First third of the fallopian tube (near the infundibulum)
Directly to the ovary
4.
An air bubble released from the bottom of a deep lake expands in volume as it rises towards the surface because:
The water temperature at the surface is near absolute zero
Atmospheric pressure increases at the surface
The hydrostatic pressure decreases as depth decreases, allowing the trapped air to expand according to Boyle's law
The bubble absorbs water molecules into its gas phase
5.
The hormone that is secreted from the corpus luteum and reaches its maximum concentration on days 21 to 23 of menstruation is:
Progesterone
FSH hormone
LH hormone
Estrogen
6.
Plant hypersensitivity is an effective immunological method that includes:
The plant kills some of its infected tissues and cells locally to prevent the spread of the microbe to healthy tissues
Root loss
Secreting nectar to attract bees
Stomata open at night
7.
Peyer's spots's Patches) Tiny lymph nodes spread in the mucous membrane lining the:
Lower part of the small intestine (ileum)
esophagus
Pharynx
Stomach
8.
A hormone secreted from the anterior lobe of the pituitary gland that stimulates the growth of Graafian follicles in the female ovary and the production of sperm in the male testicle is:
Luteinizing hormone (LH)
follicle stimulating hormone (FSH)
ACTH hormone
Prolactin hormone
9.
The infective stage of the female Anopheles mosquito in the life cycle of Plasmodium malaria is:
Sporozoites
Zygote
Gametocytes
Merozoites
10.
The volume expansion coefficient at constant pressure (alpha_v) of an ideal gas is physically measured using:
A torsion balance
A hydrometer
Joly's bulb apparatus or Charles's apparatus with a dry mercury droplet index
A venturi meter and manometer
11.
The outer embryonic membrane that surrounds the uterine membrane and from which digital villi emerge, which are immersed in the uterine lining to form the placenta, is:
umbilical cord
Amniotic membrane (Chorion)
Sagging membrane
Corpus luteum
12.
The two hormones that are secreted from the mucous membrane of the small intestine to stimulate the pancreas to secrete its digestive juices are:
Secretin and cholecystokinin (Secretin & CCK)
Thyroxine and calcitonin
Insulin and glucagon
Prolactin and oxytocin
13.
A metallic cube of side length 10 cm and density 7800 kg/m3 is completely submerged in water (density 1000 kg/m3). The buoyant force (upthrust) acting on the cube is (g = 10 m/s2):
10 N
100 N
68 N
78 N
14.
In the life cycle of the fougere plant (a fern), the haploid (N) gametophyte produces its male and female gametes by:
Direct meiosis
Regeneration
Surface budding
Mitosis within antheridia and archegonia
15.
The substance that the plant secretes to close wounds in its woody stems and completely isolate the affected tissue from the air and microbes is:
Liquid auxins
Gum and cork
Monosaccharides
Ascorbic acid
16.
Okazaki Fragments formed on the die strip (5' to 3') During DNA replication they are joined by an enzyme:
Tac polymerase enzyme
DNA ligase
Helix enzyme
Polymerase enzyme
17.
Complements are a group of plasma proteins that activate when an antibody binds to an antigen and work to:
Activate viruses
Blood clotting
Histamine secretion
Decomposing the antigenic envelope and dissolving its contents to facilitate their ingestion by macrophages
18.
A fixed quantity of an ideal gas has a volume of 600 cm3 at 27 °C. If the gas is heated to 127 °C under constant pressure, its new volume will be:
1200 cm3
800 cm3
900 cm3
700 cm3
19.
The hormone that affects both glandular and non-glandular tissue in the adult female body is:
Oxytocin
Aldosterone hormone
Growth hormone
Calcitonin hormone
20.
The sum to infinity (S_infinity) of a geometric series exists and converges if and only if the common ratio satisfies:
r > 1
|r| >= 2
|r| < 1 (i.e. -1 < r < 1), and S_infinity = a / (1 - r)
r = 1
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