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BIO 101 PAST QUESTIONS AND ANSWERS

Hey, as you may know the Ebonyi State University(Ebsu) year one exam is CBT BASED which means it will be written with computer, and today we will be drop only 35 Past Questions here to practice more use our LEARNIFYHUB Practice code to Practice more on Jetmav.

BIO 101 PAST QUESTIONS

1: Water exist the body of Sponges through
Ostium
Chonanocytes
Osculum
Pinacoderm

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ANSOsculum

2: Platyhelminthes possess the following except
Triplobastic body
Exoskeleton
Digestive system
Mouth

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ANS – Exoskeleton

3- Nematodes are parasites of both plants and animals
Yes
No

ANS – YES

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4- Types of viruses based on shapes are
(1) Helical
(2) Polyhadel
(3) Enveloped
(4) Complex
(1,2,3,4)
(1,2,3 only)
(1,2,4)
1,3 and 4 only)

ANS – 1,3 and 4 only)

5- Viruses can be controlled using the following except
Vaccines
Antibodies
Interferons
Prophages

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ANS – Prophages

6- The major types of body structure is sponges include the following except
Oscunoid
Asconoid
Syconoid
Leuconoid

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ANS –Oscunoid

7- Examples of Ciliophora are the following except
Opalina
Paramecium
Balantidum
Euglena

ANS – Euglena

8- The division of plants that is made up of mostly primitive plants is
Bryophytes
Thallophytes
Pteridophytes
Spermatophytes
Schizophytes

ANS – Pteridophytess

9- Schyzophyte is a kind of bacteria that resembles every other plants in the plant kingdom by possessing
Chitinous cell wall
Membranous cell wall
Cellulose cell wall
Chloroplasts
None of the above

ANS – Cellulose cell wall

10- The mode of nutrition in which organisms absorb nutrients in a soluble form is called
Autotrophic
Mixotrophic
Osmotrophic
Holozoic
Saprophytic

ANS – Osmotrophic

11- Which of the division of plants are used as surgical dressing?
Thallophytes
Bryophytes
Pteridophytes
Spermatophytes
Angiospgrm

ANS – Bryophytes

12- Streptomycin is obtained from
Streptomyces rimosus
Streptomyces griseus
Aureomycin
Streptomyces aureofaciens

ANS – Streptomyces griseus

13- Cryptogams reproduce by
Spores
Seeds
Root
Fruit

ANS – Spores

14 ——-type of photosynthesis is found in photoautotrophic bacteria

Anoxygenic photosynthesis
Toxygenic photosynthesis
Autotrophic photosynthesis
Heterotrophic

ANS – Anoxygenic photosynthesis

15- The function of plasmodesmata is?
Protection of the plasma membrane
selectively permeable
Allow communication between cells
Osmoreguintion
Photosynthesis

ANS – Allow communication between cells

16- In plants, co-ordination is achieved by?
Nervous system and endocrine system
Nervous system and plant hormones
Endocrine system and phytohormones
Plant hormone and Phytohormones

ANS – Plant hormone and Phytohormones

17 – In plants, assimilation include processes such as
Photosynthesis
Nitrogen fixation
Absorption of nutrients from the soil
All of the above
None of the above

ANS – All of the above

18 __ organelle is associated with
secretory activity of the cell
Ribosome
Mitochondria
Endoplasmic Reticulum
Golgi apparatus
Plastids

ANS – Golgi apparatus

19- Leucoplasts are predominant in———–?
Brightly coloured flowers
Brightly coloured leaves
Storage organs
Reproductive organs
Petals

ANS – Storage organs

20- The functions of microtubules and microfilaments are
Absorption and circulation of nutrients
Structural support, flexibility, and shape of the cell
Protection and selective permeability
Regulation of metabolic activities
Storage and excretion of waste products

21- is the simplest, smallest, and
most successful micro-organism
Bacterium
Virus
Fungus
Protozoa

22 ———–is a practical means of accelerating success in plant breeding and improving economically important crops
Hybridization
Induced mutation
Tissues culture
Artificial selection

ANS – Tissues culture

23- Example of traits being influenced by no trace of environment is
Sun tanned skin
Behaviour
Blood group
Height

ANS – Blood group

24- Species of the phyla below serve as food for other animals except
Mollusca
Arthropoda
Echinodermata
Platyhelminthes
Cnideria

25- Molluscs have a muscular foot called
Muscular tube
Mantle
Muscular mast
Mass
Mast foot

26- Echinoderms possess a
Shiny face
Spiky surface
Smooth surface
Spiny surface
Shiny surface

ANS – Spiny surface

27- The following are parasites of humans and animals except
Taenia
Trichuris
Dugesio
Fasciola
Schistosoma

28- The photoautotrophic bacteria possess photosynthetic pigments in
Nucleus
Thylakoid
Chlorophyll
Lysosome

ANS – Thylakoid

29- The fungi which produce their spores in a small cup-shaped sac belong to the phylum
Glomeromycota
Zygomycota
Basidiomycota
Ascomvcota

ANS – Ascomvcota

30 ——– is the type of sexual
reproduction which both gametes are motile but the male gamete is more active and smaller
isogamy
Anisogamy
Oogamy
Heterogamy

ANS – Anisogamy

31- A group of algae found on stones and rocky surfaces are called
Mesophytes
Matophytes
Xerophytes
Lithophytes

ANS – Xerophytes

32- The use of a single cell to produce a full organism in a cell culture is called
Totipotanty
Somatogamy
Hybridization

ANS – Somatogamy

33- Land snail belongs to which class
Gastropoda
Petecypoda
Scaphopoda
Polyplacophora

ANS – Gastropoda

34- Tube feet is a characteristic feature of
Nematode
Echinoderms
Arthropods
mollusc

ANS – Echinoderms

35- Binomial nomenclature as a system of assigning two names to an organism originated from which of these scientists
Carolus Linnaeus
Charles Darwin
Jean Baptiste Lamarck
Alfred Wallace

ANS – Carolus Linnaeus

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