Biology Chapter on Respiration and Photosynthesis
37 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is produced during anaerobic respiration?

  • Lactic acid or ethanol and CO2 (correct)
  • Water and carbon dioxide
  • Only ATP and NADH
  • Oxygen and glucose

Where does aerobic respiration primarily occur?

  • In the chloroplasts
  • In mitochondria (correct)
  • In the thylakoids
  • In the cytosol

What role does NAD+ play in cellular respiration?

  • It is directly involved in ATP synthesis.
  • It helps in the conversion of light energy.
  • It acts as a hydrogen carrier and is reduced to NADH. (correct)
  • It is a final electron acceptor.

Which statement is true regarding light-dependent reactions of photosynthesis?

<p>They result in the splitting of water into protons, electrons, and oxygen. (C)</p> Signup and view all the answers

What is the main function of RUBISCO in photosynthesis?

<p>It fixes carbon dioxide into an organic form. (C)</p> Signup and view all the answers

What is an important characteristic of fermentation?

<p>It allows ATP production in anaerobic conditions. (D)</p> Signup and view all the answers

What is the primary pigment used in photosynthesis?

<p>Chlorophyll (D)</p> Signup and view all the answers

Which process measures an organism's respiratory rate?

<p>Respirometry (C)</p> Signup and view all the answers

What is the main function of the hormone once it reaches its target cell?

<p>It binds to a receptor on the cell membrane. (B)</p> Signup and view all the answers

How does the body respond when there is an increase in temperature?

<p>By activating a negative feedback loop to decrease body temperature. (D)</p> Signup and view all the answers

What is the role of beta cells in the pancreas?

<p>They release insulin to lower blood glucose levels. (D)</p> Signup and view all the answers

What characterizes type II diabetes?

<p>It is a non-insulin dependent condition. (A)</p> Signup and view all the answers

Which process does the body utilize to maintain homeostasis?

<p>Negative feedback loops to correct deviations from set points. (B)</p> Signup and view all the answers

What is the primary outcome of meiosis?

<p>Produces four haploid cells (B)</p> Signup and view all the answers

Which process contributes to genetic variation during meiosis?

<p>Crossing over during Prophase I (C)</p> Signup and view all the answers

What characterizes nondisjunction during meiosis?

<p>The failure of chromosomes to separate properly (C)</p> Signup and view all the answers

What type of genetic disease is Cystic fibrosis classified as?

<p>Autosomal recessive (D)</p> Signup and view all the answers

How do older parents affect the likelihood of genetic disorders in their offspring?

<p>They have an increased chance of nondisjunction (B)</p> Signup and view all the answers

What is the definition of phenotype?

<p>The observable characteristics of an organism (A)</p> Signup and view all the answers

Which of the following statements about meiosis is incorrect?

<p>Meiosis occurs in body cells (A)</p> Signup and view all the answers

What role does random assortment play in meiosis?

<p>It allows for independent combination of maternal and paternal chromosomes (D)</p> Signup and view all the answers

What is the primary function of the sensory division of the nervous system?

<p>Picks up sensory stimuli and transmits them to the brain. (A)</p> Signup and view all the answers

Which part of the nervous system is responsible for the fight-or-flight response?

<p>Sympathetic division (A)</p> Signup and view all the answers

Which structure of a neuron is responsible for receiving information?

<p>Dendrites (A)</p> Signup and view all the answers

What role does the myelin sheath play in a neuron?

<p>It protects the axon and speeds up electrical impulse transmission. (C)</p> Signup and view all the answers

What is the pathway of a nervous impulse propagation?

<p>From dendrites to axon terminal (D)</p> Signup and view all the answers

What function do relay or interconnecting neurons primarily serve?

<p>Transmitting information rapidly within the body (A)</p> Signup and view all the answers

Which division of the motor system controls voluntary muscle movements?

<p>Somatic nervous system (A)</p> Signup and view all the answers

Which of the following statements about the autonomic nervous system is true?

<p>It is responsible for involuntary physiological processes. (D)</p> Signup and view all the answers

What is the primary characteristic of Type I diabetes?

<p>Caused by destruction of beta cells (D)</p> Signup and view all the answers

Which hormone is primarily responsible for increasing metabolic rate?

<p>Thyroxin (C)</p> Signup and view all the answers

Which of the following hormones is directly involved in appetite regulation?

<p>Leptin (D)</p> Signup and view all the answers

What happens to melatonin production during the day?

<p>It is inhibited (B)</p> Signup and view all the answers

What triggers the release of melatonin?

<p>Diminishing light levels (C)</p> Signup and view all the answers

Which of the following symptoms is commonly associated with hypothyroidism?

<p>Feeling cold (D)</p> Signup and view all the answers

What is the role of cholesterol in relation to steroid hormones?

<p>It is a required component for their synthesis (C)</p> Signup and view all the answers

What effect does leptin have on mice that cannot release it?

<p>Their appetite declines when injected with leptin (D)</p> Signup and view all the answers

More Like This

Biology Chapter 5 Quiz
13 questions

Biology Chapter 5 Quiz

IntegralFractal avatar
IntegralFractal
Biology Concepts Quiz
16 questions

Biology Concepts Quiz

ToughUranium9675 avatar
ToughUranium9675
Use Quizgecko on...
Browser
Browser