Question 1: What is the male gamete in plants called?
a) Egg cell
b) Pollen grain
c) Zygote
d) Embryo sac
Answer: b) Pollen grain
Question 2: Which of these is a method of asexual reproduction in plants?
a) Pollination
b) Fertilization
c) Budding
d) Seed formation
Answer: c) Budding
Question 3: What is the function of the placenta in humans?
a) Produce hormones
b) Exchange nutrients and waste
c) Protect the fetus
d) Store food
Answer: b) Exchange nutrients and waste
Question 4: Which hormone is responsible for ovulation in females?
a) Estrogen
b) Progesterone
c) Luteinizing hormone (LH)
d) Follicle-stimulating hormone (FSH)
Answer: c) Luteinizing hormone (LH)
Question 5: What is the process of fusion of male and female gametes called?
a) Fertilization
b) Pollination
c) Germination
d) Implantation
Answer: a) Fertilization
Question 6: Ecology and Environment (Continued)
What is the term for the maximum population size an environment can sustain?
a) Carrying capacity
b) Biotic potential
c) Population density
d) Ecological niche
Answer: a) Carrying capacity
Question 6: Which of these is a primary consumer in a food chain?
a) Grass
b) Rabbit
c) Fox
d) Eagle
Answer: b) Rabbit
Question 7: What is the term for the relationship where both organisms benefit?
a) Parasitism
b) Commensalism
c) Mutualism
d) Competition
Answer: c) Mutualism
Question 8: Which of these is a greenhouse gas?
a) Oxygen
b) Nitrogen
c) Methane
d) Argon
Answer: c) Methane
Question 9: What is the term for the variety of ecosystems on Earth?
a) Biodiversity
b) Biome
c) Biosphere
d) Ecosystem diversity
Answer: d) Ecosystem diversity
Question 10: What is the term for the physical expression of a gene?
a) Genotype
b) Phenotype
c) Allele
d) Chromosome
Answer: b) Phenotype
Question 11: Which of these is a recessive genetic disorder?
a) Huntington’s disease
b) Cystic fibrosis
c) Marfan syndrome
d) Achondroplasia
Answer: b) Cystic fibrosis
Question 12: What is the term for the alternate form of a gene?
a) Chromosome
b) Allele
c) Trait
d) Genotype
Answer: b) Allele
Question 13:Which of these is a sex-linked trait in humans?
a) Eye color
b) Blood type
c) Hemophilia
d) Height
Answer: c) Hemophilia
Question 14: What is the term for the genetic makeup of an organism?
a) Phenotype
b) Genotype
c) Allele
d) Chromosome
Answer: b) Genotype
Question 15: Which part of the brain controls involuntary actions like breathing?
a) Cerebrum
b) Cerebellum
c) Medulla oblongata
d) Thalamus
Answer: c) Medulla oblongata
Question 16: What is the function of the pancreas?
a) Produce bile
b) Regulate blood sugar
c) Filter blood
d) Digest proteins
Answer: b) Regulate blood sugar
Question 17: Which of these is a function of the liver?
a) Produce insulin
b) Detoxify chemicals
c) Digest carbohydrates
d) Absorb nutrients
Answer: b) Detoxify chemicals
Question 18: What is the role of white blood cells?
a) Carry oxygen
b) Fight infection
c) Clot blood
d) Digest food
Answer: b) Fight infection
Question 19: Which hormone regulates calcium levels in the blood?
a) Insulin
b) Thyroxine
c) Parathyroid hormone
d) Adrenaline
Answer: c) Parathyroid hormone
Question 20: What is the role of cytokinins in plants?
a) Promote cell division
b) Promote cell elongation
c) Promote flowering
d) Promote fruit ripening
Answer: a) Promote cell division
Question 21: Which of these is a function of the xylem?
a) Transport food
b) Transport water
c) Photosynthesis
d) Store nutrients
Answer: b) Transport water
Question 22: What is the term for the loss of water vapor from plant leaves?
a) Transpiration
b) Respiration
c) Photosynthesis
d) Guttation
Answer: a) Transpiration
Question 23: Which of these is a micronutrient for plants?
a) Nitrogen
b) Phosphorus
c) Zinc
d) Potassium
Answer: c) Zinc
Question 24: What is the role of abscisic acid in plants?
a) Promote growth
b) Inhibit growth
c) Promote flowering
d) Promote fruit ripening
Answer: b) Inhibit growth
Question 25: What is the term for the production of genetically identical organisms?
a) Cloning
b) Hybridization
c) Mutation
d) Transformation
Answer: a) Cloning
Question 26: Which enzyme is used to join DNA fragments?
a) Restriction enzyme
b) Ligase
c) Polymerase
d) Helicase
Answer: b) Ligase
Question 27: What is the term for the introduction of foreign DNA into a host cell?
a) Transformation
b) Transduction
c) Conjugation
d) Replication
Answer: a) Transformation
Question 28: Which of these is a tool used in genetic engineering?
a) Plasmid
b) Ribosome
c) Mitochondria
d) Golgi apparatus
Answer: a) Plasmid
Question 29: What is the term for the study of genomes?
a) Genetics
b) Genomics
c) Biotechnology
d) Bioinformatics
Answer: b) Genomics
Question 30: Which of these is a bacterial disease?
a) Influenza
b) Tuberculosis
c) Dengue
d) Hepatitis
Answer: b) Tuberculosis
Question 31: What is the causative agent of AIDS?
a) Bacteria
b) Virus
c) Fungus
d) Protozoa
Answer: b) Virus
Question 32: Which of these is a vector-borne disease?
a) Malaria
b) Tuberculosis
c) AIDS
d) Hepatitis
Answer: a) Malaria
Question 33: What is the term for the body’s ability to resist infections?
a) Immunity
b) Allergy
c) Inflammation
d) Vaccination
Answer: a) Immunity
Question 34: Which of these is a non-communicable disease?
a) Tuberculosis
b) Diabetes
c) Malaria
d) Cholera
Answer: b) Diabetes
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