Cellular Respiration, Excretion And Growth - SS1 Biology Past Questions and Answers - page 1
Which process occurs in the cytoplasm and converts glucose into two molecules of pyruvate?
Glycolysis
Krebs cycle
Electron transport chain
Which organelle is responsible for the majority of ATP production in cellular respiration?
Nucleus
1. Endoplasmic reticulum
Mitochondria
Which organelle is primarily responsible for cellular excretion in eukaryotic cells?
Mitochondria
Golgi apparatus
Nucleus
What is the main waste product excreted by animal cells during cellular respiration?
Oxygen
Carbon dioxide
Glucose
Which process involves the removal of metabolic wastes from the blood by the kidneys in vertebrates?
Osmoregulation
Photosynthesis
Filtration
During which phase of mitosis do the chromosomes align at the equator of the cell?
Prophase
Metaphase
Anaphase
Which of the following accurately describes the role of mitosis in the human body?
It generates gametes for sexual reproduction
It produces haploid cells with half the number of chromosomes.
It allows for growth, development, and tissue repair.
What is the main difference between mitosis and meiosis?
Mitosis occurs in somatic cells, while meiosis occurs in germ cells.
Mitosis results in the formation of four genetically unique cells, while meiosis produces two identical cells
Mitosis produces diploid cells, while meiosis produces haploid cells.
Mitosis produces diploid cells, while meiosis produces haploid cells.
Which of the following statements accurately describes a characteristic of meiosis?
Meiosis involves one round of DNA replication followed by two rounds of cell division.
Meiosis results in the production of four diploid cells.
Meiosis is responsible for the production of somatic cells.
Meiosis involves one round of DNA replication followed by two rounds of cell division.
During meiosis, which of the following events contributes to genetic variation in offspring?
Crossing over between homologous chromosomes
Fusion of sister chromatids during anaphase I
Reduction in chromosome number during telophase II