Biodiversity MCQs Quiz Multiple Choice Questions & Answers

1. In organisms such as plants and animals, the chromosomes are located in the nucleus. Each human nucleus has this many chromosomes

1. 24
2. 46
3. 18
4. 72

2. Your height is considered to be a heritable characteristic, but is affected by

1. diet
2. bone mass
3. age
4. skin type

3. Offspring inherit genes from both parents. Most genes in most species exist in an array of possible forms known as

1. genomes
2. traits
3. alleles
4. chromosomes

4. The five-kingdom classification system used by scientists includes:

1. Animalia, Plantae, Fungi, Virus, Bacteria
2. Animalia, Plantae, Fungi, Monera, Carnivore
3. Animalia, Plantae, Fungi, Protista, Bacteria
4. Animalia, Plantae, Fungi, Protista, Monera

5. There are different forms of reproduction in organisms. Asexual reproduction involves only one parent. A hydra reproduces asexually when it produces a smaller version of itself by

1. binary fission
2. spore production
3. budding
4. vegetative reproduction

6. When a plant cutting produces a new individual, it does so without the formation of a seed. This type of asexual reproduction is called

1. binary fission
2. spore production
3. budding
4. vegetative reproduction

7. Suckers (which are miniature identical forms of the parent plant) can be formed in the roots of poplar trees. Each of these suckers can produce trees identical to the parenttree. This form of asexual reproduction is called

1. binary fission
2. spore production
3. budding
4. vegetative reproduction

8. When populations of different species live together within the same area, these populations form what is known as a

1. congregation
2. community
3. collection
4. ecosystem

9. A symbiotic relationship where one species benefits and the other species is harmed is called

1. mutualism
2. parasitism
3. commensalism
4. colonialism

10. All living cells contain DNA. In the cells of plants and mammals, DNA is located in the

1. nucleus
2. vacuoles
3. cytoplasm
4. mitochondria

11. The inherited material that is responsible for variation in all organisms is DNA, which stands for

1. delicate nucleus assist
2. denitro acetaminaphen
3. donornucleic acid
4. desoxyribonucleic acid

12. When a female cell (egg) is penetrated by a male cell (sperm) this occurs

1. cleavage
2. pollination
3. fertilization
4. specialization

13. Cross-fertilization occurs when a pollen grain

1. from one plant fertilizes the plant it belongs to
2. is not able to pollinate another plant
3. from one plant fertilizes a different plant
4. is carried by the wind, water or animal to another plant

14. To better understand variation; scientists explore the characteristics, which are passed on from generation to generation within a species. Those characteristics that are passed on from generation to generation are

1. inherited
2. non-inherited
3. genetic
4. non-genetic

15. This type of characteristic, eye color, is considered to be

1. inherited
2. non-inherited
3. genetic
4. non-genetic

16. Although the same species may have the same basic structure, variations exist within the same species. Variations among members of a population are referred to as

1. biotic diversity
2. species diversity
3. genetic diversity
4. living diversity

17. Biotic and abiotic things interact within the same environment. An example of an abiotic part of an environment is

1. flowers
2. water
3. grass
4. insects

18. Closely related species have the same genus name, but different species names. This makes for identification based on

1. structure
2. coloring
3. habitat
4. names

19. A single gene is an uninterrupted segment of DNA, which contains coded instructions for the cell. Genes are located in the

1. cytoplasm
2. globules
3. helical strands
4. chromosomes

20. The chromosome numbers vary from organism to organism. Dogs have 78 chromosomes and cats have 38. The different pairings of chromosomes outlines the blueprints, which are the source of

1. diversity
2. pigmentation
3. heredity
4. sexuality

21. Sexual reproduction is very advantageous because it provides lots of

1. variation among the species
2. energy for the species to survive
3. identical organisms
4. similar copies of the parent

22. Asexual reproduction is very advantageous because it provides lots of

1. variation among the species
2. energy for the species to survive
3. identical organisms
4. similar copies of the parent

23. Variations caused by interactions with the environment are not heritable. Plants that are grown in dim lighting conditions would turn out to be

1. much like their parents
2. very different from their parents
3. identical to their parents in all aspects
4. similar to parent plants that were grown in dim light

24. Some plants and animals can reproduce asexually and sexually. Alternating between these types of reproduction enables the organism to be

1. much like their parents
2. very different from their parents
3. identical to their parents in all aspects
4. identical to parent plants every other generation

25. The process that produces two new cells with the same number of chromosomes is called

1. mitosis
2. pollination
3. meiosis
4. fertilization

26. An albino kangaroo is a kangaroo that is pure white. This characteristic is classified as a

1. continuous variation
2. discrete variation
3. non-inherited variation
4. singular variation

27. Those characteristics or variations that have a wide range of forms are

1. discrete
2. overbearing
3. obnoxious
4. continuous

28. A group of organisms that have the same structure and can reproduce with one another are considered to be

1. family
2. genus
3. order
4. species

29. The pistil is made up of the following parts

1. stamen, stigma, ovary
2. anther, ovary, stigma
3. ovary, filament, stigma
4. stigma, style, ovary

30. The system that is used to classify individual organisms is ordered from general classification to very specific identification. The correct order of this classification system is

1. family, order, phyla, genus, class, kingdom, species
2. kingdom, phyla, class, order, family, genus, species
3. phyla, class, order, kingdom, genus, species, family
4. species, class, family, order, kingdom, genus, phyla

31. Plants or animals that can reproduce asexually and sexually include the following

1. garden worms and slugs
2. aphids and sponges
3. prairie cord grass
4. identical to parent plants every other generation

32. Parthenogenesis, meaning virgin birth in Greek, is the term used to describe the process that transforms unfertilized eggs into mature organisms. Bees are a good example, where unfertilized eggs become

1. male workers
2. female workers
3. queen bees
4. male drones

33. The distribution of species on the Earth is not even. The area around the equator is where the most diverse plant species exists. This makes for the greatest biological diversity in tropical

1. tundra
2. deserts
3. rainforests
4. grasslands

34. Fungi, algae, moulds and non-flowering plants reproduce by producing

1. spores
2. buds
3. seeds
4. tubers

35. The most likely alien form of reproduction would be these because they can be dormant for long periods of time and can survive in space

1. spores
2. buds
3. seeds
4. tubers

36. The Science of Genetics is the study of how these types of characteristics are passed on from generation to generation

1. meiotic
2. observable
3. symmetrical
4. heritable

37. A single fetus that grew into a full size human from one sperm cell was a hypothesis held by scientists until the

1. microscope was improved
2. first MRI was built
3. telescope was invented
4. DNA model was developed

38. The entire collection of the many different types of organisms on the Earth is called

1. Biological Diversity
2. A World of Animals
3. The Living Kingdoms
4. The Living Ecosystem

39. In a class activity students recorded the results of Left Thumb on top vs Right Thumb on top. The data they collected indicated that ‘hand-clasping preference’ was

1. discrete
2. isolated
3. unrelated
4. continuous

40. Sexual reproduction in plants and animals relies on the union of 2 specialized cells called

1. embryos
2. gametes
3. zygotes
4. stamens