Three of these processes normally consume oxygen. Which process produces oxygen? • A) combustion • B) respiration in animals • C) photosynthesis in plants • D) operation of an acetylene torch
Non-vascular plants have adapted for survival by all of these methods EXCEPT • A) small size. • B) alternation of generations. • C) growing extremely long roots. • D) water required for reproduction.
An involuntary response to a drop in the temperature outside or inside the body of a warm-blooded animal is • A) hibernating • B) panting • C) shivering • D) migrating
Bacteria cells have no • A) nuclei. • B) cell membrane. • C) reproductive means. • D) method of locomotion.
Before mitosis begins, a cell makes a copy of the DNA in the nucleus. What term is used to describe this process of making an exact copy of the DNA? • A) duplication • B) fertilization • C) hybridization • D) replication
The kidneys are organs in the human body that have multiple functions. One critical function is to maintain the pH of the blood at a precise level. What biological process involves the maintenance of a constant internal environment? • A) homeostasis • B) lysis • C) metabolism • D) osmosis
Which kingdom contains only producers? • A) Animalia • B) Fungi • C) Insecta • D) Plantae
___________ from the sun is thought to have been a driving force behind the beginnings of life and creation of the atmosphere on Earth. A) OxygenB) NitrogenC) Gamma radiationD) Ultraviolet light
The presence of __________, or noncoding sequences in eukaryotic DNA, reduces the chance of random mutation. • A) enhancers • B) exons • C) introns • D) promoters
What building should represent the nucleus, and why? • A) factory: manufacturing • B) city hall: control center • C) power plant: provides energy • D) highways and streets: transportation
Contact lens solution is balanced with the salts in the cells of the eye at about 0.9% salt to about 99.1% water. Contact lens solution is said to be a(n) ______________ solution. • A) hypertonic • B) hypotonic • C) isotonic • D) osmotic
Which feature do prokaryotic and eukaryotic cells share? • A) nucleolus • B) cytoplasm • C) nuclear membrane • D) membrane-bound organelles
A DNA molecule that is produced by combining DNA from different sources or organisms is called • A) marker DNA. • B) polymerase DNA. • C) recombinant DNA. • D) transcription DNA.
The final electron acceptor in aerobic respiration is • A) ATP. • B) NADPH. • C) oxygen. • D) water.
Which organisms will show a clear response if they are kept away from sunlight? • A) fungi • B) cyanobacteria • C) chemoautotrophs • D) facultative anaerobes
Science discoveries and technological advances have allowed the population of the Earth to grow exponentially with no end of the growth in sight. Which statement best describes how these advancements are detrimental to the Earth? • A) Society is learning new and more Earth friendly means of creating energy. • B) Scientists are learning ways for people and animals to coexist in harmony. • C) Society is learning new ways to replenish resources that we have nearly used up. • D) The growing population is taxing Earth's resources which could lead to the extinction of many species.
All of the following are differences between monocot plants and dicot plants, with the EXCEPTION of which comparison? • A) Monocots flower in parts of 3, while dicots flower in parts of 4 or 5. • B) Monocots have a single kernel (cotyledon in their seed), dicots have two. • C) The leaf veins of dicots are usually parallel, while monocots have networked veins. • D) Monocot plants tend to be green & herbaceous, while dicot plants often have woody trunks.
Enlarged roots and stems in plants are adaptations for _________________ and are often found in _______________ plants that must endure winter. • A) support; evergreen. • B) food storage; evergreen. • C) food storage; deciduous. • D) water storage; deciduous.
Mr. Jones has blood type B and Mrs. Jones has blood type AB. What is the probability that they will have a child with blood type A if both of Mr. Jones’s parents were AB? • A)0%. • B)25%. • C)50%. • D)100%.