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Quizzes > Agricultural & Environmental Sciences

Intro To Animal Sciences Quiz

Free Practice Quiz & Exam Preparation

Editorial: Review CompletedCreated By: Chas DasUpdated Aug 25, 2025
Difficulty: Moderate
Questions: 15
Study OutcomesAdditional Reading
3D voxel art illustrating the Intro to Animal Sciences course content

This Intro to Animal Sciences quiz helps you practice key ideas in nutrition, genetics, physiology, and behavior across beef and dairy cattle, poultry, swine, sheep, horses, and companion animals. Work through 15 quick questions to check gaps before the exam and strengthen your grasp of breeding, feeding, and everyday management.

Which characteristic uniquely defines mammals among vertebrates?
Presence of a cloaca
Possession of scales
Ability to lay amniotic eggs
Presence of mammary glands producing milk
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Birds are endothermic animals that maintain a relatively constant internal body temperature.
True
False
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What is the primary site of gas exchange in mammalian lungs?
Bronchi
Pleural cavity
Alveoli
Trachea
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All reptiles lay eggs.
True
False
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How many compartments are in a ruminant stomach?
One
Three
Two
Four
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Which best describes the estrous cycle pattern in cattle?
Seasonally polyestrous (long-day)
Polyestrous, nonseasonal
Seasonally polyestrous (short-day)
Monoestrous
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Colostrum provides newborn mammals with passive immunity via antibodies.
True
False
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Which hormone primarily triggers milk let-down in mammals?
Oxytocin
Prolactin
Progesterone
Growth hormone
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A mule (offspring of a male donkey and a female horse) is typically fertile.
False
True
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In horses, where does the main microbial fermentation of fiber occur?
Duodenum
Abomasum
Cecum
Rumen
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Which statement best describes narrow-sense heritability (h^2) in animal breeding?
The proportion of phenotypic variance due to additive genetic variance
The proportion of phenotypic variance due to environmental variance
The proportion of phenotypic variance due to epistatic variance
The proportion of genetic variance due to dominance effects
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Activation of the HPA axis culminates in cortisol release from the adrenal cortex.
False
True
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Which volatile fatty acid typically predominates in the rumen of cattle on a high-forage diet?
Isobutyrate
Propionate
Acetate
Butyrate
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All marsupials possess a true eutherian-type placenta.
True
False
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Which pathogen group causes coccidiosis in poultry?
Candida albicans (fungus)
Histomonas meleagridis (protozoa)
Eimeria species (protozoa)
Ascaridia species (nematodes)
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In ruminant nutrition, what term refers to dietary protein that escapes ruminal degradation and is digested in the small intestine?
Rumen-undegradable protein (RUP)
Non-protein nitrogen (NPN)
Non-fiber carbohydrate (NFC)
Rumen-degradable protein (RDP)
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Major Histocompatibility Complex (MHC) genes are among the most polymorphic in vertebrates.
True
False
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In the avian oviduct, where does eggshell calcification primarily occur?
Magnum
Uterus (shell gland)
Isthmus
Infundibulum
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Variation in the LCT gene determines whether cattle are polled (naturally hornless).
True
False
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Which model underlies Best Linear Unbiased Prediction (BLUP) for genetic evaluation?
Linear mixed model with fixed and random effects
Simple linear regression with only fixed effects
Autoregressive time-series model
Nonparametric kernel model
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Study Outcomes

  1. Understand the basic principles of nutrition, genetics, physiology, and behavior as they relate to animal sciences.
  2. Analyze breeding, selection, and management practices in various animal species.
  3. Apply product technology concepts in the context of beef, dairy, companion animals, horses, poultry, sheep, and swine.
  4. Evaluate practical strategies for feeding and management based on scientific principles.

Intro To Animal Sciences Additional Reading

Ready to dive into the fascinating world of animal sciences? Here are some top-notch resources to guide your journey:

  1. This comprehensive textbook covers the essentials of livestock and poultry industries, delving into nutrition, genetics, physiology, and behavior. It's a staple for anyone serious about animal science.
  2. Explore the global impact of animal science with this resource, which integrates biological principles with industry insights, providing a well-rounded understanding of the field.
  3. This book offers a blend of theoretical knowledge and practical applications, making it ideal for students looking to connect classroom learning with real-world animal management.
  4. Get a glimpse into a university-level course that covers fundamental concepts of animal breeding, physiology, nutrition, and management across various livestock species.
  5. This curated list from CSU's library includes a variety of textbooks and resources, offering diverse perspectives and in-depth information on animal science topics.
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