Bioenergetics Biology Test 02

Total Questions: 25

3 - Exchange of water vapours and gases occurs in leaf through;

A ) Stomata ✅
B ) Epidermis
C ) Xylem
D ) Phloem

5 - Vessels, which transport water and salts to the plant are the components of:

A ) Xylem ✅
B ) Phloem
C ) Vascular tissues
D ) All of these

6 - Photosynthesis takes place in:

A ) Chloroplasts ✅
B ) Cytoplasm
C ) Mitochondria
D ) All of these

7 - Final products of anaerobic respiration are:

A ) Lactic acid
B ) Ethanol
C ) CO2
D ) All of these

8 - Glycolysis occurs in:

A ) Cytoplasm ✅
B ) Stroma
C ) Nucleus
D ) All of these

9 - Fungi Aspergillus is used for making:

A ) Yogurt
B ) Cheese
C ) Soya sauce ✅
D ) Baking

11 - In which of the following metabolic process, oxidation as well as reduction of molecules occur?

A ) Photosynthesis
B ) Respiration
C ) Both a and b
D ) None of these

12 - Chlorophyllous pigment absorbs maximum light in wavelengths of:

A ) Green and blue
B ) Green and red
C ) Green only
D ) Red and blue ✅

13 - ATP was discovered by:

A ) Schwann
B ) J. Purkinji
C ) Darwin
D ) Karl Lohmann ✅

15 - The covalent bond connecting two phosphates is indicated by:

A ) Ratio
B ) Proportion
C ) Colon
D ) Tilde ✅

16 - All of the statements are true about ATP EXCEPT:

A ) It is used as an energy currency by all cells
B ) It is formed only under aerobic conditions ✅
C ) Some ATP is used to drive the synthesis of storage compounds
D ) It provides the energy for many different biochemical reactions

17 - In Glycolysis:

A ) No ATP Produces
B ) Oxygen is involved in this step
C ) Takes place in the mitochondrion
D ) Reduces two molecules of NAD+ for every glucose molecule processed ✅

18 - The Krebs cycle:

A ) Takes place in the mitochondrion ✅
B ) Reduces two molecules of NAD+ for every glucose molecule processed
C ) Is the same thing as fermentation
D ) Has no connection with the respiratory chain.

19 - At much higher light intensity to rate of photosynthesis:

A ) Increases
B ) Decreases
C ) Constant ✅
D ) First increases study of energy

20 - The quantitative study of energy relationships in the biological system is called:

A ) Biochemistry
B ) Biotechnology
C ) Bioenergetics ✅
D ) Biophysics

21 - Electron can be an energy source. It depends upon their:

A ) Location in atoms
B ) Arrangement in atoms
C ) Location and arrangement in atoms ✅
D ) Shape

22 - ATP discovered by Kar1 Lohmann in:

A ) 1822
B ) 1929 ✅
C ) 1900
D ) 1978

23 - Adenine is a:

A ) Double ringed nitrogenous base ✅
B ) Single ringed nitrogenous base
C ) Three ringed nitrogenous base
D ) Linear chain of hydrocarbons

24 - Light dependent reaction is:

A ) Dark reaction or Calvin cycle
B ) Light reaction ✅
C ) Kreb's cycle
D ) Glycolysis

25 - Which of the following is not a limiting factor in photosynthesis?

A ) Light intensity
B ) Temperature
C ) Oxygen ✅
D ) Concentration of CO2