BIO 203 CBT PRACTICE TEST

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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 203 exam

PS

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

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

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Created on February 06, 2024 By Ace/Undergragra

BIO 203

1 / 40

1.

Chlorophyll of bacteria are called

A. Accessory pigments

B. Xanthophylls

C. Bacteriochlorophylls

D. Primary pigments

2 / 40

2.

Mitochondria was first seen by

A. Robert Brown

B. Robert Hooke

C. Lipmann

D. Altmann

3 / 40

3.

A segment of image is magnified by the eyepiece(ocular). What is the best resolving power?

 

A. 0.4 mm

B. 0.1 nM

C. 0.2 uM

D. 3.0 uM

4 / 40

4.

Sucrose developed from excess sugars is transported for storage to

A. Stem Tubers

B. Root tubers

C. All the options

D. Seeds

5 / 40

5.

O2 is not evolved in this

 

A. Oxygenic photosynthesis

B. photosynthesis

C. Test tube-funnel experiment

D. Anoxygenic photosynthesis

6 / 40

6.

When water is used as the proton and electron source the byproduct evolved is

A. CO2

B. H20

C. H2S

D. O2

7 / 40

7.

The raw materials for needed for photosynthesis include

A. Organic Substance

B. Nutrients

C. Light

D. All the options

8 / 40

8.

Carbon dioxide (CO2) taken in night is stored in form of

 

A. Physical energy

B. Chemical energy

C. dark energy

D. Carbon Monoxide

9 / 40

9.

An essential component of chlorophyll molecule is

A. Magnanese

B. Magnesium

C. Iron

D. Copper

10 / 40

10.

Phosphorylation is the synthesis of

 

A. FMN

B. ADP

C. ATP

D. NADP

11 / 40

11.

Amino acids are assimilated to form

A. New cell walls

B. New shoot cells

C. New protoplasm

D. New cytoplasm

12 / 40

12.

Sugar is transported away from leaf through

 

A. Bean like stomata cells

B. Phloem tissues

C. Loosely arranged spongy tissues

D. Closely packed palisade cells

13 / 40

13.

The byproduct evolved in oxygenic photosynthesis occurs in some

A. Macro organisms

B. Micro organisms

C. Higher organisms

D. Lower organisms

14 / 40

14.

Nitrogen, phosphorus and sulphur are examples of

A. Essential metallic elements

B. Non-essential metallic elements

C. Essential non-metallic elements

D. Non-essential non-metallic elements

15 / 40

15.

Simplest carbohydrates (CnH2mOm) are

A. Peptones

B. Sugars

C. Galactose

D. Glucose

16 / 40

16.

Reducing power of light reaction is

A. NADPH

B. NAD

C. ATP

D. ADP

17 / 40

17.

What staining is best for lipid detection ?

A. Colloid gold

B. Feulgens nuclear reaction

C. Berlin blue

D. Sudan III IV

18 / 40

18.

Digested food materials are carried to all parts of plant especially

A. root apices

B. all of the options

C. stem

D. leaves

19 / 40

19.

The main difference between animal and plant cell is that

A. Plant cell lack rigid cell wall

B. Animal cell lack rigid cell wall

C. Plant cells have small vacuoles

D. Animal cells have vacuoles

20 / 40

20.

Photolysis means

 

A. Light reaction

B. Photophosphorylation

C. Splitting of water molecules

D. Splitting of light

21 / 40

21.

Leaves are not essential for

A. Intake of carbon dioxide

B. Receive sunlight

C. starch formation

D. photosynthesis

22 / 40

22.

The chlorophyll is found in oval-shaped structures called as

A. centrioles

B. starch

C. chloroplast

D. stomata

23 / 40

23.

The protons and electrons required to reduce NADP⁺ to NADPHcome from

A. CO2

B. H2S

C. (CH2O)n

D. H2O

24 / 40

24.

Biochemically, Photosynthesis is defined as

A. Reduction of CO2 to carbohydrates with the help of ATP and NADPH

B. Energy tranducing process

C. Synthesis with the help of light

D. Conversion of solar energy to chemical energy

25 / 40

25.

Plants can be called as

A. Autotrophs

B. Heterotrophy

C. Photoautotroph

D. Chemoautotrophs

26 / 40

26.

Simplest carbohydrates (CnH2nOn) are

A. Glucose

B. Sugars

C. Peptones

D. Galactose

27 / 40

27.

Directly linked pigments to photosynthetic electron transport are

A. Phycobilins

B. Xanthophylls

C. Chlorophylls

D. Carotenoids

28 / 40

28.

Chlorophyll are

 

A. Bacteriochlorophylls

B. Primary pigments

C. Carotenoids

D. Accessory pigments

29 / 40

29.

How can you achieve better resolution in microscopy ?

 

A. Using formaldehyde-embedded sections

B. Using thinner resin-embedded sections

C. Using paraffin-embedded sections

D. Using a mixture of paraffin and resin

30 / 40

30.

Light dependent stage cannot be carried out without

A. carbon dioxide

B. Oxygen

C. All of the options

D. Water

31 / 40

31.

NADP stands for

A. Nitrate Amine Disaccharide Phosphate

B. Nitryl Adenine Diphosphate

C. Nicotinamide Adenine Dinucleotide Phosphate

D. Nicotin Adenine Dinucleotide Pyruvate

32 / 40

32.

Plasma membrane is composed of

A. Lipids

B. Cellulose

C. Protein

D. Protein and Lipids

33 / 40

33.

What are epoxy resin sections stained with after being cut with a microtome?

A. Toluidine blue

B. Sudan III

C. Blue trichrome

D. Hematoxylin and eosin

34 / 40

34.

The process of splitting water molecules in the presence of light energy is called

A. Photolysis

B. Hydrolysis

C. Electrolysis

D. Thermolysis

35 / 40

35.

Prokaryotic cell does not possess

A. Cell wall

B. Cytoplasm

C. Nuclear membrane

D. Plasma membrane

36 / 40

36.

An organic molecule which can absorb the solar energy in the visible region is

 

A. Enzyme

B. protein

C. vitamin

D. pigment

37 / 40

37.

Food is converted to energy in

A. Nucleus

B. Chloroplast

C. Mitochondria

D. Nucleolus

38 / 40

38.

Light reactions involve

 

A. Pigments

B. Pigments and water

C. Pigments and solar energy

D. Pigments, solar energy and water

39 / 40

39.

The raw material for photosynthesis are

A. Light energy and CO2

B. Light energy

C. Light energy, CO2 and H2O

D. Light energy, CO2, H2O and photosynthesis pigments

40 / 40

40.

Cellular organelles containing hydrolytic enzymes are called

A. Lysosomes

B. Peroxisomes

C. Mesosomes

D. Ribosomes

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