WorksheetsGrade 9 Biology Mid-exam
Total questions: 50
Worksheet time: 25mins
Which of the following is NOT a characteristic of asexual reproduction?
Involves only one parent
Produces genetically identical offspring
Requires fertilization
Occurs in bacteria, fungi, and some plants
Which of the following is NOT a type of asexual reproduction?
Binary fission
Budding
Pollination
Fragmentation
Why does asexual reproduction lead to limited genetic variation?
Only one parent contributes genetic material
Offspring undergo mutations frequently
It requires gametes
There is DNA recombination
What type of asexual reproduction involves an organism splitting into equal parts?
Budding
Sporulation
Binary fission
Parthenogenesis
Which of the following correctly describes parthenogenesis?
Fusion of male and female gametes
Development of offspring from an unfertilized egg
Formation of spores in fungi
Division of a parent cell into two daughter cells
What is the function of the seminal vesicles in the male reproductive system?
Production of testosterone
Storage of sperm
Secretion of fructose-rich fluid
Transportation of sperm
Which of the following hormones is responsible for triggering ovulation?
FSH
LH
Estrogen
Progesterone
Where does fertilization typically occur in humans?
Uterus
Ovaries
Vagina
Oviduct (Fallopian tube)
Which structure in the female reproductive system produces eggs?
Uterus
Ovaries
Cervix
Oviduct
Which part of the sperm contains enzymes that help penetrate the egg?
Tail
Midpiece
Acrosome
Head nucleus
Which hormone maintains the uterine lining during pregnancy?
LH
FSH
Estrogen
Progesterone
What occurs immediately after fertilization?
Implantation
Zygote formation
Menstruation
Ovulation
Which structure connects the fetus to the placenta?
Fallopian tube
Uterus
Umbilical cord
Cervix
What happens during implantation?
The embryo attaches to the uterus
The fetus begins to develop limbs
The sperm fuses with the egg
The menstrual cycle restarts
Which of the following is NOT a function of the placenta?
Nutrient exchange
Waste removal
Oxygen transport
Producing sperm
Which method of contraception prevents ovulation?
Male condom
Oral contraceptive pill
Intrauterine device
Diaphragm
Which natural method of birth control relies on body temperature changes?
Withdrawal
Calendar method
Basal body temperature method
Male condom
Which contraceptive method provides the most effective protection against STIs?
Birth control pills
Condoms
IUD
Diaphragm
How does an intrauterine device (IUD) prevent pregnancy?
Prevents implantation
Blocks sperm entry
Kills sperm
Thickens cervical mucus
What is the primary hormone in contraceptive implants?
Estrogen
Progesterone
LH
Testosterone
Which STI is caused by a virus?
Gonorrhea
Syphilis
HIV/AIDS
Chlamydia
Which bacterial STI can cause sterility if untreated?
Trichomoniasis
Gonorrhea
HIV
Herpes
Which STI is associated with an increased risk of cervical cancer?
HIV
Chlamydia
HPV
Syphilis
Which STI is known as the "silent disease" due to lack of symptoms in many cases?
HIV
Chlamydia
Syphilis
Gonorrhea
What is the primary method to prevent STIs?
Withdrawal
Abstinence
Birth control pills
Tubal ligation
Which macronutrient provides the most energy per gram?
Proteins
Carbohydrates
Fats
Vitamins
Which vitamin is important for blood clotting?
Vitamin A
Vitamin K
Vitamin C
Vitamin D
Which mineral is essential for oxygen transport in blood?
Calcium
Iron
Magnesium
Zinc
What is the main function of dietary fiber?
Provide energy
Aid digestion
Build muscles
Strengthen bones
Which disease results from vitamin C deficiency?
Rickets
Scurvy
Anemia
Beriberi
Which statement about fission in bacteria is correct?
It involves meiosis
It results in genetically unique offspring
The nucleus is copied before division
It requires a second parent
Which of the following types of asexual reproduction occurs in fungi?
Budding
Pollination
External fertilization
Parthenogenesis
Why is sporulation an effective means of asexual reproduction in fungi?
Spores can survive harsh conditions
It requires fertilization
It produces genetically diverse offspring
It involves the fusion of gametes
What is the difference between natural and artificial vegetative propagation?
Artificial propagation is limited to bacteria
Natural propagation requires human intervention
Artificial propagation includes grafting and cutting
Natural propagation involves hormones
Which of the following is an example of parthenogenesis?
Bees producing drones from unfertilized eggs
Bacteria dividing by binary fission
Yeast undergoing budding
Plants producing seeds through pollination
What is the role of the corpus luteum in the menstrual cycle?
To produce FSH
To secrete progesterone
To stimulate ovulation
To transport eggs to the uterus
Which male reproductive structure stores sperm while they mature?
Vas deferens
Epididymis
Prostate gland
Bulbourethral glands
What is the function of the prostate gland?
To produce sperm
To nourish the sperm
To produce hormones
To store urine
Which part of the female reproductive system is responsible for producing estrogen?
Uterus
Ovaries
Cervix
Fallopian tubes
What happens to the corpus luteum if fertilization does not occur?
It grows and produces more progesterone
It degenerates
It releases an egg
It turns into an embryo
Which hormone is responsible for initiating labor contractions?
Estrogen
Progesterone
Oxytocin
Testosterone
Which structure protects the developing fetus from shocks?
Placenta
Amniotic sac
Uterus
Cervix
What marks the beginning of pregnancy?
Fertilization
Implantation
Ovulation
Menstruation
Which statement about identical twins is true?
They result from two separate eggs
They always have different genetic material
They come from a single zygote that splits
They are always of different sexes
Which of the following does NOT pass from the mother to the fetus through the placenta?
Oxygen
Nutrients
Antibodies
Red blood cells
Which contraceptive method works by preventing ovulation?
Male condom
IUD
Birth control pill
Diaphragm
Why is vasectomy an effective method of contraception?
It prevents sperm from being produced
It blocks sperm transport in the vas deferens
It destroys sperm inside the testes
It stops the production of testosterone
Which STI is caused by a protozoan?
Syphilis
Trichomoniasis
Gonorrhea
HIV
Which STI can cause damage to the liver and brain if untreated?
HIV
Syphilis
Gonorrhea
Chlamydia
Which family planning method has the highest failure rate?
Male condom
Withdrawal (coitus interruptus)
Oral contraceptive
Intrauterine device
