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Eleventh Grade (Grade 11) Biology Questions

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Grade 11 Nervous and Endocrine Systems
The hypothalamus controls what?
  1. the recognition and analysis of hunger, thirst, fatigue, anger, and body temperatures
  2. transmission of impulses from the sensory organs to the central nervous system
  3. regulation activities under conscious control, such as movement of the skeletal muscles
  4. regulation of blood pressure
Grade 11 Conservation and Biodiversity
Which factor is a cause of declining global biodiversity?

I. overharvesting
II. pollution
III. habitat loss
  1. I
  2. I and II
  3. I and III
  4. I, II, and III
Grade 11 Zoology
In taxonomy, corals are considered as                .
  1. reptiles
  2. invertebrates
  3. bacteria
  4. plankton
Grade 11 DNA, RNA, and Genetics
The basis for genetic functions is called                .
  1. nucleic acids
  2. DNA
  3. RNA
  4. genes
Grade 11 DNA, RNA, and Genetics
Genes that are expressed in the phenotype are                .
  1. recessive
  2. dominant
  3. neutral
  4. alleles
Grade 11 Circulatory and Immune Systems
The circulatory system is composed of the
  1. lungs, heart, and brain.
  2. lungs, blood vessels, and heart.
  3. heart, blood, and blood vessels.
Grade 11 Cell Structure and Function
How are haploid gamete cells produced from diploid cells?
  1. genetics
  2. meiosis
  3. mitosis
  4. inheritance
Grade 11 Respiration, Digestion, and Excretion
The                 system is the body system in which gas exchange takes place.
  1. respiratory
  2. circulatory
  3. lymphatic
  4. metabolic
Grade 11 DNA, RNA, and Genetics
The study of heredity is
  1. mitosis.
  2. meiosis.
  3. genetics.
  4. phenotype.
Grade 11 Circulatory and Immune Systems
Vessels that carry blood away from the heart are                .
  1. arteries
  2. veins
  3. capillaries
  4. proximillaries
Grade 11 DNA, RNA, and Genetics
Which alleles are represented with a capital letter?
  1. dominant
  2. recessive
  3. genetic
  4. random
Grade 11 Cell Structure and Function
Somatic cells are
  1. cells from the testes or ovaries.
  2. egg cells and sperm cells.
  3. normal body cells.
  4. produced through meiosis.
Grade 11 Cell Structure and Function
Which phase of mitosis is the diagram showing?
Cell Anaphase
  1. prophase
  2. metaphase
  3. anaphase
  4. telophase
Grade 11 Respiration, Digestion, and Excretion
What substances are secreted from the stomach?
  1. pepsinogen, hydrochloric acid, and mucus
  2. salivary amylase and mucus
  3. pepsinogen, trypsin, and mucus
Grade 11 Respiration, Digestion, and Excretion
Which organ of the digestive system is responsible for the production of bile?
  1. stomach
  2. liver
  3. gall bladder
  4. pancreas
Grade 11 Biochemical Pathways
Which kind of cellular respiration happened in the absence of oxygen in some of the earliest forms of life on Earth?
  1. aerobic respiration
  2. anaerobic respiration
  3. deoxygenated respiration
  4. oxygenated respiration
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