Botany/Plant respiration Sample Test,Sample questions

Question:
 Which among the following plant is widely accepted to respire in absence of oxygen ?

1.Grass

2.Yeast

3.Potato

4.Chlorella

Posted Date:-2019-04-14 16:04:30


Question:
A brewery subjects about 1 tonne of purified jaggary to fermentation under ideal conditions. If it has produced 0.3 tonne of alcohol, what quantity of CO2 it has expelled to its atmosphere

1.0.1 tonne

2.0.2 tonne

3.0.3 tonne

4.0.4 tonne

Posted Date:-2019-04-14 16:00:36


Question:
Alcohol is produced during which process ?

1.Aerobic respiration

2.Anerobic respiration

3.Photosynthesis

4.None

Posted Date:-2019-04-14 16:05:54


Question:
Anaerobic respiration takes place in the

1.Chloroplast

2.Mitochondria

3.Cytoplasm

4.Ribosome

Posted Date:-2019-04-14 16:15:04


Question:
Common immediate source of energy in cellular activity

1.NAD

2.ATP

3.DNA

4.RNA

Posted Date:-2019-04-13 22:21:33


Question:
Conversion of pyruvic acid into ethyl alcohol is facilitated by the enzymes

1.carboxylase

2.phosphatase

3.dehygrogenase

4.carboxylase and dehygrogenase

Posted Date:-2019-04-13 22:26:58


Question:
Conversion of pyruvic acid into ethyl alcohol is facilitated by the enzymes

1.Dehydrogenase

2.Carboxylase

3.Dehydrogenase and Carboxylase

4.Decarboxylase and dehydrogenase

Posted Date:-2019-04-14 16:10:53


Question:
Conversion of pyruvic acid into lactic acid depends upon

1.Presence of NAD

2.Presence of enzymes

3.Absence of oxygen

4.None

Posted Date:-2019-04-14 15:51:16


Question:
Dormancy is the

1.failure of a seed to germinate under favourable condition

2.failure of a seed to germinate under unfavourable condition

3.the ability of a seed to germinate under favourable condition

4.the ability of a seed to germinate under unfavourable condition

Posted Date:-2019-04-13 22:54:39


Question:
During anaerobic respiration in yeast

1. Water and CO2 are end products

2.CO2, C2H5OH and energy are end products

3.Water and C2H5OH and energy are end products

4.None

Posted Date:-2019-04-14 16:12:32


Question:
During respiration yeast converts glucose to

1.ethanol and water

2.ethanol and oxygen

3.ethanol and CO2

4.lactic acid and CO2

Posted Date:-2019-04-13 22:28:16


Question:
End product of citric acid/ Krebs cycle is

1.citric acid

2.pyruvic acid

3.latic acid

4.carbon dioxide and water

Posted Date:-2019-04-13 22:36:47


Question:
End product of fermentation are

1.O2 and C2H5OH

2.CO2 and C2H5OH

3.CO2 and O2

4.CO2 and acetyaldehyde

Posted Date:-2019-04-13 22:40:31


Question:
Fermentation is

1.Anaerobic respiration

2.Incomplete oxidation of carbohydrates

3.Complete oxidation of carbohydrates

4.None

Posted Date:-2019-04-14 16:09:41


Question:
Fermentation is represented by the equation

1.C6H12O6 + 6O2 → 6CO2 + 673 kcal

2.C6H12O6 → 2C2H5OH + 2CO2 + 18 kcal

3.A and B

4.None

Posted Date:-2019-04-14 16:13:56


Question:
In anaerobic condition, The incomplete breakdown of sugars results in the formation of

1.Alcohol and CO2

2.Fructose and water

3.Alcohol and water

4.Alcohol and Fructose

Posted Date:-2019-04-14 16:02:43


Question:
In plant cell, digestion of fats occurs with the help of

1.lysosomes

2.Peroxisomes

3.glyoxisomes

4.microtubules

Posted Date:-2019-04-13 22:31:26


Question:
In succulent xerophytes the R.Q is

1.Zero

2.unity

3.less than one

4.more than one

Posted Date:-2019-04-13 22:24:33


Question:
Incomplete oxidation of glucose into pyruvic acid with several intermediate steps is known as

1.TCA pathway

2.Glycolysis

3.HMS pathway

4.Glycolysis

Posted Date:-2019-04-13 22:44:14


Question:
Krebs cycle take place in

1.vesicles of ER

2.Mitochondrial matrix

3.lysosomes

4.Dictyosomes

Posted Date:-2019-04-13 22:19:53


Question:
Link between glycolysis, Krebs cycle and β oxidation of fatty acid or carbohydrate and fat metabolism is

1.citric acid

2.succinic acid

3.acety CoA

4.Oxaloacetic acid

Posted Date:-2019-04-13 22:47:54


Question:
Out of 36 ATP molecules produced per glucose molecule during respiration

1.2 are produced outside glycolysis and 34 during repiratory chain

2.2 are produced outside mitochondria and 34 inside the mitochondria

3.all the formed inside mitochondria

4.2 during glycolysis and 34 during Krebs cycle

Posted Date:-2019-04-13 22:42:33


Question:
Photoblastic seeds are seeds

1.affected by light for germination

2.not affected by light for germination

3.independent of light for germination

4.affected by light and temperature for germination

Posted Date:-2019-04-13 23:04:31


Question:
Photorespiration involves

1.Glycolate cycle

2.krebs cycle

3.calvin cycle

4.CAM cycle

Posted Date:-2019-04-13 22:23:06


Question:
R. Q is ratio of

1.CO2 produced to substarate consumed

2.oxygen consumed to CO2 produced

3.CO2 produced to O2 consumed

4.Oxygen consumed to water produced

Posted Date:-2019-04-13 22:50:51


Question:
R.Q. of fatty substances is generally

1.unity

2.Zero

3.more than one

4.less than one

Posted Date:-2019-04-13 22:25:36


Question:
Respiration is

1.Anabolic process

2.Exothermic process

3.Endothermic process

4.Endergonic process

Posted Date:-2019-04-13 22:17:09


Question:
Respiratory enzymes are located in

1.mitochondrial matrix

2.cristae

3.perimitochondrial space

4.outer membrane

Posted Date:-2019-04-13 22:13:03


Question:
Some seeds enter dormancy when exposed to unfavourable condition for some time. Such dormancy is called

1.immediate dormancy

2.primary dormancy

3.secondary dormancy

4.short term dormancy

Posted Date:-2019-04-13 22:59:23


Question:
Terminal cytochrome of respiratory chain which donates electrons to oxygen is 

1.Cyt. b

2.Cyt.a1

3.Cyt.c

4.Cyt.a3

Posted Date:-2019-04-13 22:49:26


Question:
The annual plant exchange of gases takes place mainly through

1.Leaf scars

2.lenticels

3.stomata

4.stem

Posted Date:-2019-04-13 22:18:43


Question:
The end products of fermentation when sugars are used as raw material

1.Alcohol and acetic acid

2.CO2 and C2H5OH

3.Alcohol and CO2

4.None

Posted Date:-2019-04-14 16:08:38


Question:
The final acceptor of electrons in the electron transport chain is

1.Water

2.Oxygen

3.Hydrogen

4.Cytochrome b

Posted Date:-2019-04-13 22:30:29


Question:
The first phase in the breakdown of glucose, in animal cell, is

1.glycolysis

2.E.T.S

3.Krebs cycle

4.Glycolysis

Posted Date:-2019-04-13 22:38:17


Question:
The net gain of ATP produced during the oxidation of one glucose molecule in a plant cell

1.38 ATP molecules

2.30 ATP molecules

3.36 ATP molecules

4.24 ATP molecules

Posted Date:-2019-04-13 22:29:25


Question:
The process of fermentation is discovered by

1.Buchner

2.Pasteur

3.Jones

4.Krebs

Posted Date:-2019-04-14 15:58:34


Question:
The process of respiration in green plants occurs

1.only when stomata are open

2.only when photosynthesis ceases

3.only when photosynthesis is in progress

4.At all times

Posted Date:-2019-04-13 22:11:04


Question:
The process of weakening the seed coat to break dormancy is called

1.vernalization

2.scarification

3.photoperiodism

4.stratification

Posted Date:-2019-04-13 23:03:00


Question:
The rate of glycolysis increases during anaerobic conditions is known as

1.Extinction point

2.Pasteur effect

3.Compensation point

4.Warburg effect

Posted Date:-2019-04-14 15:57:04


Question:
The site of glycolysis in a cell is

1.nucleus

2.chloroplast

3.cytoplasm

4.mitochondria

Posted Date:-2019-04-13 22:14:20


Question:
The ultimate respiratory substrate, yielding maximum number of ATP molecules, is

1.glycogen

2.glucose

3.amylose

4.ketogenic amino acid

Posted Date:-2019-04-13 22:33:21


Question:
When a molecule of pyruvic acid is subjected to anaerobic oxidation and forms lactic acid, there is

1.Loss of 9 ATP molecules

2.Loss of 3 ATP molecules

3.Gain of 3 ATP molecules

4.Gain of 9 ATP molecules

Posted Date:-2019-04-14 16:07:17


Question:
When one glucose molecule is completely oxidised, it changes

1.36 ADP molecules into 36 ATP molecules

2.38 ADP molecules into 38 ATP molecules

3.30 ADP molecules into 30 ATP molecules

4.32 ADP molecules into 32 ATP molecules

Posted Date:-2019-04-13 22:46:27


Question:
Which is the pigment is involved in the germination of photoblastic seeds

1.chlorophyll

2.carotenes

3.phytochromes

4.phaeophytin

Posted Date:-2019-04-13 23:05:51


Question:
Which of the following hormone is a dormancy inducer?

1.2-4D

2.GA4

3.ABA

4.GA3

Posted Date:-2019-04-13 23:07:03


Question:
Which of the following is a natural germination inhibitor that induces dormancy?

1.auxin

2.cytokinin

3.ABA

4.gibberellin

Posted Date:-2019-04-13 22:57:23


Question:
Which of the following is the structure in the seed coat that prevents water and O2 entry into seed thereby inducing dormancy

1.strophiolar plug

2.pericarp

3.exocarp

4.epicarp

Posted Date:-2019-04-13 23:08:17


Question:
Which of the following plant exhibit dormancy due to immature embryo

1.Xanthium

2.Orchids

3.Hibiscus

4.Solanum

Posted Date:-2019-04-13 23:00:38


Question:
Which of the following process may be toxic to plants

1.Photolysis of water

2.Aerobic respiration

3.Photosynthesis

4.Anaerobic respiration

Posted Date:-2019-04-14 15:59:38


Question:
Which of the following statement is true regarding dormancy?

1.Dormancy may be due to seed coats impermeability to CO2

2.Dormancy helps the seed to overcome unfavourable condition

3.Dormancy helps the seed to germinate during unfavourable condition

4.Dormancy may be due to soft fragile seed coat

Posted Date:-2019-04-13 22:56:04


More MCQS

  1. Cells
  2. Bacteriology
  3. Plant harmones
  4. Transport and Mineral Nutrition in Plants
  5. Photosynthesis in Plants
  6. Plant respiration
  7. Algae, Bryophytes, Pteridophytes
  8. Plant Pathology - I
  9. Plant Pathology - II
  10. Kingdom Monera
  11. Wood Anatomy, Xylem and Phloem
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