BIO 101 CBT PRACTICE TEST

Phil March 23, 2023Last Updated: January 9, 2025

0 10,948 1 minute read

Take your time to read instructions before taking this test.

There are 40 questions which you are to answer in 15 minutes that gives you roughly 30 seconds per question.

If you can get at least 60%, you can be rest assured that you’ll ace BIO 101 exam

In a normal exam you will be asked between 40 – 60 questions but I only arranged 40 questions

Note

Do not be in a hurry to answer the questions

Do not waste time on a question you don’t know

Move as fast as possible and starting with questions that don’t have calculation first to save time

Always crosscheck

Don’t be in a hurry to submit, you are not in a competition

Don’t be scared. Getting an A is easy

Don’t be over confident, you can end up a D, E or F. Calm your blood, no be only you sabi book

Please do well to use our comment box incase there’s a message you want to pass to us

70 – 100 A

60 – 69 B

50 – 59 C

45 – 49 D

40 – 44 E

0 – 39 F

I wish you success

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Created on March 19, 2023 By

Ace/Undergragra

BIO 101

1 / 40

1. Which of these is concerned with the clotting of blood?

A. Plasma

B. Cytoplasm

C. Polymorph

D. Platelets

2 / 40

2. The region where exchange of genetic material occur in the chromosome is

A. chiasmata

B. Diakinesis

C. Chromomere

D. X region

3 / 40

3. White blood cells is mainly responsible for?

A. Formation of clot

B. Production of hormones

C. Combating infection and diseases

D. All of the above

4 / 40

4. The following are characteristics of prokaryotic cells except

A. DNA is linear and associated with proteins to form chromatin

B. They are small cells (<5mm)

C. ) Cells divide by binary fission

D. No nucleus or any membrane bound organelle

5 / 40

5. The principal means of passive transport in cell membrane is?

A. Diffusion

B. Retention

C. Absorption

D. Reabsorption

6 / 40

6. _______ is the physical differences observed between individuals

A. Continuous

B. Venation

C. Dissociation

D. Variation

7 / 40

7. The length of the mitochondrion is

A. 8µm

B. 18nm

C. 18µm

D. 8nm

8 / 40

8. Carotenoids are divided into

A. Xanthophyll and carotenes

B. Xanthophyll and fucoxanthin

C. Diatoms and carotenes

D. Chlorophyll and chromophyll

9 / 40

9. Phosphorylation is the _______

A. Beginning of ATP

B. None of the above

C. Removal of ADP from an inorganic hydrogen bond

D. Addition of ADP to an inorganic phosphate group

10 / 40

10. Series of membrane bound channels involved in the synthesis and transport of materials, mainly lipids are?

A. Golgi apparatus

B. Mitochondria

C. Smooth endoplasmic reticulum

D. Rough endoplasmic reticulum

11 / 40

11. Endocytosis is an example of

A. All of the above

B. Movement of toxic substances inside the cell

C. Movement if materials out of the cell

D. Movement of materials inside the cell

12 / 40

12. In the centromere, a distant point of attachment for fibers that make up the mitotic and meiotic spindle apparatus is called?

A. Kinetochrome

B. Kinetochore

C. Kinetomere

D. Kinetosome

13 / 40

13. The respiratory system in Amoeba, tapeworm and arthropods are _______

A. Moist skin, lung body, mouth

B. Gills, lungs, body surface

C. Lungs, lungs, gills

D. Body surface, cell membrane, tracheal system

14 / 40

14. When a plant with white seed coats was crossed with gray seed coats; the resulting f1 plants yielded grey seed coats. This is an example of

A. Monohybrid inheritance

B. Dihybrid inheritance

C. I don't know

D. Polyhybrid inheritance

15 / 40

15. Osmosis occurs through a semi-____________ membrane

A. pemeable

B. permeable

C. parmeable

D. permeble

16 / 40

16. The features of discrete variations are clearly

A. Phenotypic

B. Peripheral

C. Genetical

D. Physical

17 / 40

17. One of the following is not true about a chromosome

A. Sister chromatids are joined together by the centromere

B. It consists of two arms with a centrosome

C. It is darkly colored when stained

D. It contains DNA

18 / 40

18. The following are functions of leucoplasts except

A. Synthesis of fatty acids and amino acids

B. Synthesis of tetrapyrolle compounds such as haem

C. Bulk storage of starch, lipid or proteins

D. Assists in energy production

19 / 40

19. At metaphase, chromosomes are individually arranged on the

A. Metaphase plate

B. Metaphase plane

C. All of the above

D. Middle of the cell

20 / 40

20. The lysosome is formed from the

A. Mitochondrion

B. Rough endoplasmic reticulum

C. Smooth endoplasmic reticulum

D. Nucleus

21 / 40

21. The type of cell division that enhances growth and development is

A. Cytoplasmic cell division

B. Nuclear division

C. Meiosis

D. Mitosis

22 / 40

22. The vascular tissue which function for the conduction of water and mineral salt upward from root to leaves of plant is?

A. Companion Cells

B. Phloem

C. Xylem

D. Sclereids

23 / 40

23. Kreb’s cycle and glycolysis occur in the _______ and _______ respectively

A. Mitochondrion and cell membrane

B. cytoplasm and Mitochondrion

C. cell membrane and cytoplasm

D. Nucleus and Mitochondrion

24 / 40

24. The following are characteristics of eukaryotic cells except

A. Motility is by flexible waving undulipodium made of tubulin

B. Cell division is by mitosis or meiosis

C. Reproduction is only asexual

D. Ribosomes are large (80S)

25 / 40

25. The following will affect the rate of diffusion of a molecule except

A. The size of the molecule

B. The kinetic energy of the molecule

C. The solubility of the molecule

D. The charges on the molecule

26 / 40

26. The process whereby stretches of Dna are copied into the related nucleic acid RNA is called

A. Translocation

B. Mutarotation

C. Transcription

D. Mutation

27 / 40

27. A pair of short microtubules involved in cell division is called

A. Microvillus

B. Centriole

C. Undulipodium

D. Cytoskeleton

28 / 40

28. Photosynthesis requires two stages namely

A. Phosphorylation and ligh

B. Dark and glucose

C. Light and dark

D. Light and photosystem

29 / 40

29. Hereditary material are carried on

A. Cytoplasm

B. Mitochondrion

C. Chromosome

D. Nucleus

30 / 40

30. The difference between diffusion and osmosis is?

A. The permeability of the cell membrane is reduced in osmosis

B. Movement of water from region of higher concentration to region of lower concentration in osmosis

C. The movement of the molecule from region of higher concentration to region of lower concentration in osmosis

D. The size of the molecule is reduced in osmosis

31 / 40

31. One of the following is true about endocytosis

A. Cholesterol is carried by high density lipids

B. Vacuoles are formed from the inner mitochondrial membrane of the cell

C. Phagocytosis refers to the process of engulfing large particles

D. Pinocytosis refers to the process of engulfing large particles

32 / 40

32. Which of the following statements is true about the vacuole

A. All of the above

B. It plays a major role in autophagy

C. It can digest food

D. It aids the digestion of invading bacteria

33 / 40

33. The process by which nervous system converts stimuli into electrical impulses is

A. Translocation

B. Transportation

C. Transduction

D. Transcription

34 / 40

34. Enzymes of the lysosome work optimally at a ph of?

A. 5

B. 4

C. 6

D. 7

35 / 40

35. One of the following is true about DNA

A. Eukaryotic organisms store their DNA inside the ribosomes

B. Prokaryotic organisms store their DNA in the cell’s cytoplasm

C. Eukaryotic organisms store their DNA inside the cell cytoplasm

D. Prokaryotic organisms store their DNA inside the cell nucleus

36 / 40

36. The term cell was coined by

A. Purkinje

B. Robert hooke

C. Schwann

D. Nagelli

37 / 40

37. Blood is a

A. System

B. Cell

C. Tissue

D. Organ

38 / 40

38. Ribosomes are found in groups called

A. Monosomes

B. Lysosomes

C. Polysomes

D. Perioxosomes

39 / 40

39. Which of the following statements is true about the cell membrane.

A. The arrangement of the lipid bilayer prevents hydrophobic solutes from passively diffusing across the cell membrane

B. The cell membrane consists of a layer of amphiphatic lipids which arrange so that their hydrophilic tail regions are shielded from the extracellular faces of the membrane

C. Markers on a cell membrane serve to transmit signals into the cell membrane

D. The continuous spherical lipid layer of the cell membrane is about 7mm thick

40 / 40

40. Which of this is an organ

A. Blood

B. Liver

C. Xylem bundle

D. Guard cells

Your score is

The average score is 48%

Phil March 23, 2023Last Updated: January 9, 2025

0 10,948 1 minute read

BIO 101 CBT PRACTICE TEST

Phil

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