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Question-1
What is puberty?
(A)
Partitioning of replicated chromosomes into two identical groups
(B)
Prenatal development of the organs of the fetus
(C)
Adults undergo the process of sexual maturation
(D)
Reproductive cycle in the female primate
Question-2
Sex cells (sperm and ova) are called:
(A)
Alleles
(B)
Genes
(C)
Gametes
(D)
Zygotes
Question-3
The primary female reproductive organs, the ovaries, produce mature ova and the female sex hormones:
(A)
Estrogen and testosterone
(B)
Estrogen and progesterone
(C)
Progesterone and testosterone
(D)
Androsterone and progesterone
Question-4
The principle that describes development as starting with the head and brain areas and moving downward is called:
(A)
Cephalocaudal development
(B)
Proximodistal development
(C)
Teratology development
(D)
Progressive development
Question-5
The principal male sex hormones are:
(A)
Estrogen and progesterone
(B)
Estrogen and testosterone
(C)
Testosterone and androsterone
(D)
Testosterone and semen
Question-6
An absolutely essential growth process that begins within a few hours of fertilization and is a division of cells into identical cells is called:
(A)
Embriosis
(B)
Mitosis
(C)
Endotosis
(D)
Reproduction
Question-7
The prenatal development of the organs of the fetus assume their specialized functions during the :
(A)
Germinal stage
(B)
Embryonic stage
(C)
Fetal stage
(D)
Critical stage
Question-8
The optimal time for fertilization to occur within the menstrual cycle is:
(A)
At the beginning of the cycle.
(B)
At the middle of the cycle
(C)
At the end of the cycle
(D)
Any time during the cycle.
Question-9
During menstrual flow, what body structure secretes hormones into the bloodstream to "direct" another ovarian follicle to begin rapid growth?
(A)
Ovary
(B)
Pituitary gland
(C)
Uterus
(D)
Thyroid gland
Question-10
The newly fertilized ovum is called a :
(A)
Embryo
(B)
Foetus
(C)
Conceptus
(D)
Zygote
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Cambridge Secondary Grade 9
IGCSE
Practice in Related Chapters
The Interdependence of Living Organisms
Feeding
Keeping Healthy
Transport in Plants
Classification
Cells and Tissues
Movement in and out of Cells
Personal Health
Animal Nutrition
Reproduction
Sensitivity
Cells the Building Blocks
Genetics
The Skeleton, Muscles and Movement
A Sexual Reproduction and Cloning Plants
The Senses
Survival
Co-ordination
Energy for Respiration
The Chemicals of Living Cells
How Substances Get In and Out of Cells
Plants for Food
Photosynthesis and Nutrition in Plants
Plant Structure and Function
Food and Diet
The Human Impact on the Environment
Digestion, Absorption and Use of Food
The Blood Circulatory System
Breathing
Excretion and the Kidneys
Human Reproduction
Classification
Conservation
Micro Organisms
Reproduction in Flowering Plants
Movement and Locomotion
Growth and Development
Disease: causes, transmission and control
Ecosystems
Population
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