BIOL1 1902 Exam Questions with Answers 2024 Updates Perfectly Verified Solutions, Exams of Biology

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BIOL1 1902 Exam Questions with Answers 2024 Updates Perfectly Verified Solutions 1- Delayed implantation involves: A- the embryonic blastocyst entering a state of suspended animation B- pollen sitting inactive on a stigma until it is chemically stimulated C- Seeds landing on the ground but not germinating until the following spring D- sperm being stored after mating and used to fertilize eggs months later E- very expensive doctor fees 2- Rut Pits are: A- Tunnels that moles use to catch food B- Pits used by anti-lions to capture prey C- Modified leaves of Pitcher-plants that catch prey D- Shallow pits that bull Moose dig and pee in during mating season E- Deep channels in muddy roads made by trucks with very big trees 3-This is not true concerning moose antlers: A- as they grow, moose antlers are covered in thick skin called velvet B- antlers are made of bones C- antlers are true indicators of a bull Moose’ maturity and health D- antlers are permanent structures that grow continuously and remain on a bull’s head all of it life E- antlers are thrashed against trees and shrubs to make noise to impress cow moose and warn rival bulls 4- Which of these is an example of Batesian mimicry pair? A- female Ruffed Goose and female Spruce Grouse B- Yellowjacket wasp and Bald-faced Hornet C- Viceroy and Monarch butterflies D- Walking stick and inchworm caterpillar E- Gray tree frog and White pine bark 5- Leks are: A- communal display grounds where male Sharp-tailed Grouse dance B- Special tactile sensors on the nose of star-nosed moles C- bacterial colonies living in the roots of alders D- special packages of sperm produced by Springtails E- famous for their fries and burgers 6- Nectar is: A- the only edible reward that flowers provide for pollinators B- an important cryoprotectant C- an attractant produced by all flowers D- sugar water that contains different types and concentrations of sugar E- All of the above 7- Tines and Palms are: A- types of parasitoids B- adaptations for living in a nutrient poor environment C- features that allow a female moose to evaluate a bull’s worthiness as a mate D- plants that exhibit dichogamy E- delicious with a semi-sweet vinaigrette 22-Moose acquire most of their sodium from: A- aquatic plants such as water-shield B- needles and twigs of Balsam Fir C- Wallow (rut) pits D- fresh levels of poplars and other deciduous trees E- shakers with tiny holes on the top 23-After watching a male’s courtship flight, the female of this species claps its wings to tell him that he can mate with her: A- Midge B- Ebony Jewelwing C- Dance Fly D- Clapping Midge E- Clapper rail 24-An opossum’s Marsupium is analogous to: A- Moose’s uterus B- spider’s pedipalps C- Snowshoe Hare’s Caccum D- Red Crossbill’s gizzard E- Beaver’s cloaca 25-A moose looks unstable on its feet, walks into trees and falls down with the “blind staggers”. It likely is: A- sick because of toxic bioaccumulation B- weak after mating with more than one cow C- infected with an endoparasitic Cuterrebra D- infected with an endoparasitic Brainworm E- getting back from a night out with Mel Gibson 26-Which statement is not true concerning opossum’s natural history: A- the males have forked penises B- the young climb into a female’s pouch right after they are born C- when frightened, an opossum plays dead D- the female has a long gestation period, about 4 months E- many babies die shortly after they are born 27-Parental care in wolf spiders consists of: A- storing food with the eggs B- storing food with the eggs and guarding them until they hatch C- depositing the eggs in a hibernaculum in late summer D- carrying the eggs in a sac attached to the spinnerets and carrying the young on the back after the eggs hatch E- carrying the eggs in a sac in the jaws and placing the sac in a special web before the eggs hatch 28-Black fly larvae use these for extracting food from flowing water: A- Lamellae B- Labral brushes C- incurrent siphons D- silk nets E- Culligan filters 29-in winter, mammals such as foxes do this when they breathe: A- curl their vibrissae across the nose to warm it up B- keep their mouths closed and breathe through their nose C- open their mouths to allow the cold air to be warmed by the tongue D- open their mouths to allow the cold air to be warmed by the vomeronasal organ E- wear masks to prevent spreading germs 30-Amplexus is a(n): A- a way plants defend themselves against herbivores B- a communal dancing ground for certain grouse C- an adaptation used by nocturnal animals D- the way certain insects produce non-vocal sounds E- a special hold used by toads and frogs during mating 31-A CRECHE IS A(N): A- Adaptation that allows ducks to stand on ice B- Large number of duckling of mixed parentage that are with one female C- Site where food is store for winter consumption D- Adaption for digesting plant material E- Dangerous thing for a student to have on his or her professor 32-A plant such as Indian Pipe that does not make its own food but get its carbon products from other plan the help of a fungal partner is called: A- Parasitoid B- Fungicide C- Mycoheterotroph D- Mixotroph E- None of the above 33-Plants that retain their leaves year-round curl them up: A- To retain water B- To reduce their surface area C- As a response to desiccating winds in winter D- As a response to drought E- All of the above 34-This is not true concerning moose ticks: A- They are also called “Winter Ticks” because they are found on Moose mainly in winter B- They are ectoparasites C- They reproduce on Moose but also spend part of their life in a slug snail (not sure) D- They have sensors for detecting carbon dioxide and body heat E- They have piercing mouthparts that, when inserting into skin and opened, are difficult to extract. 35-This flower attracts an insect by offering a false batch of pollen and then with a collapsing petal it “SLAM DUCKS” its visitor onto its sexual organs: A- Twayblade B- Bunchberry C- Pink Lady’s-slipper D- Sheep Laurel E- Grass Pink 36-These plants often produce self-pollinating flowers as well as flowers that are pollinated by insects: A- Carnivorous plants B- Coniferous trees C- Holoparasites D- Spring Ephemerals E- Mixotrophs 37-An animal has eyes that give a total (COMBINED) field of view of 110 degrees with 80 degrees of overlap. It is likely a (an): A- Wood Duck B- Porcupine C- Great Gray Owl D- American Woodcock E- Cottontail Rabbit 38-Hermaphroditic Animals are often: A- Sedentary or slow-moving B- Polyandrous C- Polygynous D- Communal E- Adventuresome 39-During Garter snake reproduction: A- Females emit high frequency sounds that attract the males B- A group of males swarms a female that deposited a trail of pheromones C- The female emits low frequency sounds that attract the mates D- The male’s forked tongue stimulates the female’s hemipenes E- The female’s forked tongue stimulates the male’s hemipenes 40 - The pocket-book clam performs this amazing feat. It: A- Has a super long penis that wanders over rocks to find another clam B- Lures its food in with a tongue that resembles a womr C- Changes its colour to hide when a predator approaches D- Attacks fish by waving its mantle, which looks exactly like a small fish E- Buries itself in the bottom of lakes and, like a book, slams its shells shut on its prey 41- In the previous question the pocketbook clam performed that feat: A- To get its parasitic young to a host B- To acquire a meal B. Insects are visually guided to the nectar by specific colour markings called nectar guides D. Ultraviolet guiding patterns are known as “invisible nectaries” E. Colour and shape combine to create a long range advertisement 56- GLYCEROL IS A. Antifreeze produced by supercooled plants B. Antifreeze produced by supercooled ectotherms C. Antifreeze produced by freaaeze-tolerant plants D. Antifreeze produced by hibernating ectotherms E. Great for sticking used stamps on envelopes 57- A PARASITE THAT KILLS ITS HOST IS MORE APPROPRIATELY CALLED A(N): A. Obligate brood parasite B. Facultative brood parasite C. Endoparasite D. Ectoparasite E. Parasitoid 58- THIS FLOWER HAS POLLEN SADDLEBAGS THAT CLAMP ONTO THE LEGS OF VISITING INSECTS: A. GRASS PINK B. BUNCHBERRY C. SHEEP LAUREL D. COMMON MILKWEED E. HORSE PARSNIP 59- NECTAR GUIDES: A. Are often in the form of sleeves or cups and contain nectar but do not produce it B. Appear in different lengths to accommodate the mouthparts of different pollinators C. Guide the pollinators to the food rewards and hence to the flowers sexual parts D. All of the above 60. Caterpillars poop a lot when they eat because: A- They eat their poop after the first time it leaves their body to gain extra nutrients B- The poop makes it difficult for parasitoids to find them C- Caterpillars don’t have enzymes for digesting cellulose so they waste a lot of the food D- They use their droppings as edible courtship gifts E- Their food has extremely high fiber content and acts like Bran Buds 61.A holoparasite is a: A- Plant that makes some of its carbon products and attains other carbon products from other plants B- Parasite that spends all of its life stages in one host only (the holohost) C- Parasite that can live on either the outside or inside its host C. Many insect groups are attracted to specific flower colours. (cant be this one because i know bees like blue -zohaib) D- Plant that acquires all of its carbon products directly from other living plants E- Parasite that died and went to heaven 62.Animals that use venom to kill their prey also often: A- Cache their prey to create a larder B- Place their eggs on the prey C- Inject the prey with digestive enzymes D- Deposit special scents on it to keep other animals from eating it E- All of the above 63.Sex for Honeybees is “A Real Blast” because: A- Females have violent orgasms that knock the males off them B- The bees snort pollen just before the mating act C- The bees perform courtship flights only when it is very windy D- During mating the male’s body explodes, leaving his genitalia embedded in the female E- They mate in the middle of the hive where the workers fan them constantly with “blasts” of cool air 64.The greatest risk of advertising for the purposes of sexual reproduction is: A- Being detected by a predator B- Starving C- Picking up a parasite D- Not finding the right species with which to mate E- Being busted by an undercover cop 65.Plants that grow in open fields would likely NOT have: A- Seeds that are dispersed by the wind B- Large round leaves that lie flat on the ground C- Highly dissected leaves D- Seeds that are transported by animals E- Leaves that grow on a 45 degree angle to the main stem 66.You would find a reversible toe in: A- An owl or an Osprey B- A Tiger Beetle or a Ground Beetle C- A Great Blue Heron D- A beaver E- A ballet dancer 67.The split (Double) toenail of a beaver and the pectinate toe comb of a great blue heron are adaptations for: A- keeping feet from freezing in winter B- Catching food C- Swimming D- Defending themselves E- Grooming (removing ectoparasites) 68.One function of a beaver’s tail is to: A- Build dams B- Control body heat 81-Finches often eat grit on the ground. They do this to: A- enhance the physical breakdown of food in their gizzard B- acquire minerals such as sodium C- clean their bills of debris such as gum from conifer cones D- help clean their feathers E- acquire bacteria that help aid in internal digestion 82-Female house finches tend to choose brightly coloured males as mates because: A- the bright colours are used to lure predators away from the nest B- brightly coloured males tend to be better at fighting predators C- brightly coloured males tend to be the best nest builders D- brightly coloured males tend to be good at finding food E- brightly coloured males are easy to keep an eye on when they are near the territory boundaries 83-A Rodent Run is a: A- distraction display used by small ground-nesting bird when a predator approaches their nest B- special part of the snow that is also called the subnivean space C- method of hunting small mammals that is used by Coyotes D- form of parental investment shown by voles and some mice E- dangerous race that takes place annually on the streets of Madrid 84-Pseudopollen and pseudonectaries perform this function: A- they provide food for pollinators B- they deceive pollinators C- attract pseudopollinators to flowers D- they attach to pollinators and get transported to other flowers E- all of the above 85-A penis delivers sperm closer to eggs. Plants have this analogous structure: A- pistil B- pollen grain C- style D- Stamen E- elaiosome 86-This animal does not use pheremones as part of its courtship advertisements: A- male moose B- Female Cecropia (silk moth) C- male polyphemus (silk moth) D- female garter snake E- female moose 87-A copulatory plug is a: A- device from sperm transfer B- device for hibernation C- device for stimulation during copulation D- device that is an attempt to ensure paternity E- promotion for a certain business in the Byward Market 88-The largest animal to undergo true or deep hibernation is the: A- beaver B- black bear C- groundhog D- Eastern Chipmunk E- Moose 89-A pollen tube allows: A- A seed to travel on the outside of an animal B- sperm to reach the ovary of a pistil C- pollen to slide down under the water and fertilize underwater flowers D- pollen to go from a male flower to a female flower on the same plant E- Miley Cyrus to go have fun 90-This is not true concerning the feeding strategies of animals: A- plant tissue is harder to digest than animal flesh (true) B- the greatest problem facing a predator is eating a :)poisonous animal C- carnivorous animals have very large temporalis muscles D- filter feeders often live in moving waters E- caterpillars consume many times their body weight in leaf tissue everyday (true) 91-Courtship gifts are often offered by: A- scavengers B- Moose C- poisonous snakes D- predatory insects E- rodents 92-The subnivean space is important for: A- parasites such as brainworms B- plants that live in nutrient-poor habitats such as bogs C- plants that cross-pollinate D- animals that are active at night E- small animals that are active in winter 93-Asexual reproduction: A- provides a great deal of genetic variation in the offspring B- is the most common form of reproduction used by large animals C- is relatively easy to do and involves little risk D- all of the above E- can lead to excessive hair growth 94-This is not true concerning spider webs: A- because webs are hygroscopic, they are dew-covered at dawn B- a large web can be built in about 30 minutes or less C- spiders often eat and recycle the silk in a broken web D- the largest webs are made by Crab spiders E- capture strands are elastic and coated with sticky glue 95-Brood site deception is used by: A- Sundews and Bladderworts B- Foamflowers and miterworts C- Cerceris and Great Golden Digger Wasps D- Red Trilliums and Wild Ginger E- All of these use brood site deception 96-Jumping spiders have unusual vision in that: A- Their eyes have a reflective layer that allows them to see very well at night B- the anterior median eyes can rotate to the back of the head (they become posterior median eyes) C- Their ten eyes completely surround their head, giving them full vision in all directions D- the retinas of the eyes are moved by muscles to increase the eyes’ depth of field E- all of the above 97-Polyandry is a special mating strategy used by: A- Pocket-book clams B- Eastern Wolves C- Yellowjacket wasps D- Wilson’s Phalaropes E- LAdy Gaga 98-The tapetum lucidum is an adaptation for: A- preventing further copulations B- attracting a mate C- Seeing at night D- surviving freezing temperatures E- migrating 99-Tendrils are found in: A- spring ephermerals such as White Trilliums B- carnivorous plants such as Bladderworts C- cold hardy plants such as Black Spruce D- plants such as Wild Cucumber that climb on other plants in order to reach sunlight E- very tasty vegeterian meals 100- A Rete Mirabile (Wonderful Net) A- Is made by orb Spiders B- Is Used by Black Fly larvae to catch food C- Attracts a host for glochidia to attach to D- Keeps a duck’s feet from freezing in winter E- None of the above 101- When a Turkey vulture excretes on its legs it is: A- Getting rid of ectoparasites B- Defending itself from predator C- Advertising for a mate D- Losing body heat through evaporative cooling A- A lekking male B- a satellite male C- a stridulatory mimic D- a facultative brood parasite E- an audiophile 116- walking stick egg have this unusual feature : A. They are violently ejected at least three metres away from the female (ballistic ejection) B. They are very sticky and get glued onto insects that walk over them C. They are eaten by chipmunks and then pass safely through the digestive tract D. They have an edible capitulum and are dispersed by ants E. All of the above 117- This statement is not true concerning moose natural history a. Both bull and cow moose produce pheromones during mating season b. Some moose eat mud and drink water in roadsides ditches to acquire sodium c. A bull moose contact guards his cow and their calves for one full year d. Bull moose antlers change size and shape from year to year e. The moose mating season is called the rut and it takes place in the fall 118- a pollen basket is : a. What a pollen tube grows out of b. Used by the female flowers of coniferous trees for catching wind-blowing pollen c. A special structure on stamens that produce and hold pollen d. A special structure that bees use for transporting large loads of pollen e. A wonderful gift for someone who is ill 119- long spurs with sweet rewards are adaptations for attracting : a. Animals that will spread a plant’s seeds to a favourable environment b. Animals that will act as bodyguards for the plant c. Animals that will attract other animals that act as bodyguards for them d. Pollinators with long tongues e. Cowboys from brokeback mountain 120- this flower has an enlarged petal that traps a bee after it walks through in the petal as the bee escapes it squeezes under a staminode , then rubs a sticky mass of pollen. This plant is a (an): a. Pitcher plant b. Pink lady-slipper c. Milkweed d. Grass pink e. Indian pipe 121- A large penis can be a “ real drag” because: a. Males with large penis could be attacked by other males b. Most females select males with smaller penises c. A large penis could impede a males movement in air or water d. A large penis may not fit into the female’s sexual opening e. Shorts can never be worn 122- Helleborine attracts its pollinators by: a. Offering pseudo pollen b. Releasing the chemicals that are given off by plants under attack by small herbivores c. Having pseudo nectaries located near the stigma d. Smelling like an old mushroom e. Smelling like a dead animal 123- six species of poisonous snakes, five common and one quite rare, all have red bodies with blue spots. This is an example of: a. Mullerian Mimicry b. Batesian Mimicry c. Aggressive Mimicry d. Aposematic colouration e. Both (a) and (d) 124- Male Silk moths have huge antennae for : a. Detecting predators b. Finding food c. Finding mates d. Attracting mates e. Picking up more stations 125- This animal carries a large sac full of eggs in its mouth.Just before the eggs hatch, it builds a special structure in which it places and then guards the sac: a. Red-backed salamander b. Back and yellow argiope d. Wolf spider e. Bullfrog 126- Stridulations is a (an): a. Adaptation for staying warm on a cold day b. Method of attracting mate c. Form of parental care d. Means of extracting nutrition from the stringy tissue of plants e. Adaptation for staying cool on a hot day 127- Echolocation is used by bats and is also used by these animals : a. Digger wasps b. Cuterebra c. Shrews d. Crickets e. Frogs 128- A songbird can sing two songs at the same time because of the: a. Eimer’s organ b. Herbst corpuscles c. Syrinx d. Stabilimentum e. Karaoke machine c. Nursery web spider (wolf spider carries egg sac with its spinarette) 129- if you were a typical female animal you would : a. Select a male with the biggest ornamentation b. Select a male with the brightest colours c. Select a male with the loudest song d. Ignore the advances of a really young or an “ over the hill” male e. All of the above 130. You would find a cuterebra in a: A- Slug or snail B- Mouse or chipmunk C- Seed-eating bird D- Fruit-eating bird E- Lingerie section of a department store 131. Altricial birds are different from precocial birds in that altricial birds: A- Build substantial nests B- Care for their young in the next for an extended period C- Produce eggs with a smaller amount of yolk D- All of the above E- None of the above 132. Dichogamous Flowers: A- Are insurance policies for seed production B- Often Colonize disturbed environments C- Get their nutrients from insects D- Change their sex over time E- Have two combinations of male and female sexual parts each with different lengths 133. Aggressive mimicry allows an animal to: A- Frighten an attacker (defend itself) B- benefit from the aposematic appearance of another animal that is well defended C- Attract a mate D- Acquire a meal (DEFFO THIS ONE) E- Be camouflaged (by cryptic) 134. Torpor is a feature of: A- Tiger Beetles on hot days B- Heath plants growing in bogs C- Freeze-tolerant frogs D- Orchids growing in shade E- Black-capped Chickadees in winter 135. White water-lilies have this unusual feature: A- They have seeds that contain a protein package that ants love to eat B- They have utricle traps that capture and digest small animals C- They never open and always self-pollinate D- They first open as female flowers, trap insects, and release them the next day after opening as male flowers E- They explode open when an insect visitor touches a trip hair 150- The flower in question #149 Captures insects with : a. Pitfall traps c. Fake pollen masses that collapse onto the insect d. Exploding canons of glue e. Snap-traps 151-spring ephemerals have a specific growing period that is an adaptation to this problem b. Nutrients c. Predators d. Heat e. Cold 152 This animal uses “handcuffs” during mating: a. American toad c. Bluegill sunfish d. Marsh wren e. Bill cosby (aka sexual predator) 153- Plants that grow in shady places often have: a. Really large leaves b. Colonial growth c. Leaves that grow parallel to the ground d. An early blooming period 154- Coral roots are mycoheterotrophic which means they : a. Acquire all of their food from other plants through the help of mycorrhizae b. Make their own food but also steal some from other plants d. Never use fungus to help them attain their food e. Attain nutrients such as nitrogen from tiny insects 155- An Irruption is a. Something that happens when two equally-sized bull moose meet during the rut b. A mating strategy used by garter snakes c. A response to a predictable food shortage e. Usually followed by falling ashes and lava flow 156- PLANTS GENERALLY DISPERSE THEIR SEEDS AS FAR AS THEY CAN BECAUSE: A. It reduces the competition for nutrients between the mother plant and her offspring B. Disease might spread between the mother and her offspring C. Distance between the mother plant and her progeny might reduce the chances of inbreeding b. Adhesive leave traps a. Shading b. Walking stick e. All of the above c. Make their own food by having fungal partners bring them nutrients d. A response to an unpredictable food shortage D. The habitat may change and this ensures that at least one of her progeny might reach an appropriate habitat 157- A DISADVANTAGE OF THE POLLINATION STRATEGY USED BY GEASSES AND RAGWEED IS : A. Nectar and the other pollinator attractants are costly to produce B. Nectar guides and floral scents make the flower more conspicuous to herbivores C. In cold weather the plants pollinators do not fly E. All of the above 158- This is not a device or a method used by a male animal to guarantee paternity b. Exploding genitalia c. Contact guarding d. Giant sperm e. A copulatory plug 159- pitcher-plant leaves are modified to: a. Hold water so the plant can survive drought b. Disperse seed when it rains c. Capture sunlight in low light conditions d. Protect the plant from herbivores 160- a Mixotrophs is : a. A plant that makes all of its own food through photosynthesis c. An animal that eats other live animals without killing them d. An animal that eats dead animals e. Is great for making cakes E. All of the above D. There is no guarantee that the pollen will reach its target a. Aphrodisiacs applied after mating e. Act as pitfall traps that capture insects for nutrients b. A plant that makes some of its own carbon products and steals other with the of mycorrihzae