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STRUCTURE AND PHYSIOLOGICAL FUNCTIONS OF PLANTS
Unit – I STRUCTURE AND PHYSIOLOGICAL FUNCTIONS OF PLANTS - BIOLOGY
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Question 1 |
A plant cell differs from an animal cell in the presence of …………….
cell membrane | |
endoplasmic recticulam | |
plasma membrane | |
cell wall |
Question 2 |
…….. is the seat of biological oxidations.
Endoplasmic recticulam | |
ATP | |
Mitochondria | |
Golgi complex |
Question 3 |
A parasitic plant is ………….
mushroom | |
mucor | |
cuscuta | |
yeast |
Question 4 |
The loss of water from the aerial parts of the plant is known as ………………
photosynthesis | |
transpiration | |
reproduction | |
respiration |
Question 5 |
The movement of a plant part in response to light is called ……………..
geotropism | |
hydrotropism | |
phototropism | |
thigmotropism |
Question 6 |
Mimosa pudica displays ………… movement.
phototropic | |
photonastic | |
thigmonastic | |
thermonastic |
Question 7 |
………… transpiration accounts for the loss of large volumes of water.
Lenticular | |
Stomatal | |
Cuticular | |
Areolar |
Question 8 |
……….. is mainly concerned with the transport of nutrients, water and minerals upwards in the plant body.
Phloem | |
Xylem | |
Tracheids | |
Parenchyma |
Question 9 |
The cells of ……….. are polygonal in cross – section and have unevenly thickened walls.
parenchyma | |
collenchyma | |
aerenchyma | |
selerenchyma |
Question 10 |
The study of the structure and function of the cell is called …………….
Botony | |
Cytology | |
Microbiology | |
Bio Technology |
Question 11 |
Cells having dense cytoplasm and large nucleus are called ………………..
simple tissue | |
compound tissue | |
meristamatic tissue | |
permanent tissue |
Question 12 |
Find which one of the following is dead tissue.
Parenchyma | |
Collenchyma | |
Sclerenchyma | |
Chlorenchyma |
Question 13 |
Which one of the following is the Xylem tissue?
sieve elements | |
companion cells | |
phloem fibres | |
Tracheids |
Question 14 |
Which part helps the plant absorb water and minerals from the soil?
root hairs | |
roots | |
root cap | |
tap root |
Question 15 |
Which is shown by the experiment ‘Ascent of sap’?
The food materials are transmitted by phloem | |
Water is transmitted by phloem | |
Water is transmitted by xylem | |
The food material is transmitted by xylem |
Question 16 |
Find out which one is not related to leaves.
Photosynthesis | |
Respiration | |
Transpiration | |
Transportation |
Question 17 |
Find which one of the following does anaerobic respiration?
flies | |
mosquito | |
yeast | |
hydrilla |
Question 18 |
This is an example of chemo autotrophs ………….
green sulphur bacteria | |
bacillus subtillus | |
Nitrosomonas bacteria | |
purple sulphur bacteria |
Question 19 |
This is an example of insectivorous plant.
Monotropa | |
Cuscuta | |
Drosera | |
Hibiscus |
Question 20 |
Find the one that is not doing symblotic nutrition.
Lichen | |
Mycorrhiza | |
Mucor | |
Phizobium |
Question 21 |
Plants take CO2 duting
Transpiration | |
Protein synthesis | |
Respiration | |
Photosynthesis |
Question 22 |
In Photosynthesis
H2O and CO2 are reduced | |
H2O is reduced and CO2 is oxidized | |
H2O and CO2 are oxidized | |
H2O is oxidized and CO2 is reduced |
Question 23 |
Aerobic and anaerobic respirations differ from each other in all aspects except ………
Involvement of oxygen | |
output of energy | |
end products | |
break down of glucose in cytoplasm |
Question 24 |
Find put the correct sequence of the following in the decreasing order of rate of transpiration.
Stomatal – Cuticular – lenticular | |
Cuticular – Lenticular – Stomatal | |
Lenticular- Stomatal – Cuticular | |
Stomatal – Lenticular – Cuticular |
Question 25 |
The study of the structure and function of cells.
Zoology | |
Biology | |
Cytology | |
Physiology |
Question 26 |
The cells of this tissue are capable of division.
Permanent tissue | |
Xylem | |
Meristematic tissue | |
Sclerenchyma tissue |
Question 27 |
…….. is a dead tissue with thick walls.
Parenchyma | |
Collenchyma | |
Phloem | |
Sclerenchyma |
Question 28 |
…………. Conducts water.
Phloem | |
Sieve tube | |
Xylem | |
Companion cell |
Question 29 |
………… involves movement of molecules by the use of metabolic energy.
Osmosis | |
Active transport | |
Passive transport | |
Imbibition |
Question 30 |
………… conducts food.
Collenchyma | |
Xylem | |
Sclerenchyma | |
Phloem |
Question 31 |
…………. is not a factor which influences photosynthesis.
Carbon dioxide | |
Chlorophyll | |
Oxygen | |
Water |
Question 32 |
The transport of food from leaves to the other parts of the plant is called ………….
Photosynthesis | |
Transpiration | |
Nutrition | |
Translocation |
Question 33 |
………… is the seat of biological oxidation.
Mitochondrion | |
Stomatal pore | |
Leaf | |
ATP |
Question 34 |
An example for photo autotrophs.
Nitrosomonas | |
Animals | |
Fungus | |
Sulphur bacteria |
Question 35 |
……….. is an example for parasites.
Cuscuta | |
Linchen | |
Mitrosomonas | |
Mucor |
Question 36 |
………… is an example for symbionts.
Nitrosomonas | |
Fungus | |
Xanthomonascitri | |
Lichen |
Question 37 |
Transportation take place through …………
Stem | |
Leaves | |
Root | |
Flowers |
Question 38 |
…….. is an example for chemo autotrophs.
green sulphur bacteria | |
Plam | |
Purple sulphur bacteria | |
Nitrosomonas |
Question 39 |
In the dark reaction carbondioxide is reduced to …………
Carbon | |
Carbon monoxide | |
ATP | |
Carbohydrate |
Question 40 |
………… is an example for insectivorous plants.
Lichen | |
Cuscuta | |
Sepenthes | |
Mucor |
Question 41 |
Mimosa pudica is an example for …………
Thigmotropism | |
Photonasty | |
Thigmonasty | |
Thermonary |
Question 42 |
…………. Are heterotrophs.
Animals | |
Green plants | |
Nitrosomonas bacteria | |
Sulphur bacteria |
Question 43 |
………. Is a living tissue.
Parenchyma | |
Sclerenchyma |
Question 44 |
…… ….. conducts water.
Xylem | |
Phloem |
Question 45 |
Co2 is reduced to carbohydrate during ………………
Light reaction | |
Dark reaction |
Question 46 |
Food is completely oxidized in …………… respiration.
Anaerobic | |
Aerobic |
Question 47 |
Organisms which are not able to synthesize their own food are called …………..
autotrophs | |
heterotrophs |
Question 48 |
Removal of excess water through aerial parts of the plant like leaves is called ………..
Transpiration | |
Translocation |
Question 49 |
- Assertion (A) : Apical meristem brings about increase in the width.
- Reason (R) : Intercalary meristem helps in the elongation of the intermodes.
A is correct, R is wrong | |
A is wrong, R is correct | |
Both A and R are wrong | |
A is correct R Explains A |
Question 50 |
- Assertion (A) : Meristematic cells help in increasing the length and thickness of the plant.
- Reason (R) : These cells divide continuously.
A is correct, R is wrong | |
A is wrong, R is correct | |
A is correct R explains A | |
R does not explain A |
Question 51 |
- Assertion (A) : Phloem conducts food materials.
- Reason (R) : Xylem conducts water.
A is correct, R is wrong | |
A is wrong, R is correct | |
A is correct, R Explains A | |
R does not explain A |
Question 52 |
- Assertion (A) : Green plants are autotrophic.
- Reason (R) : Green plants synthesize their food.
A is correct, R is wrong | |
A is wrong, R is correct | |
A is correct, R Explains A | |
R does not explain A |
Question 53 |
- Assertion (A) : If the direction of response is determined by the direction of stimulus, it is called nastic movement.
- Reason (R) : Osmosis is an example for active transport.
A is correct, R is wrong | |
A is wrong, R is correct | |
A is correct, R Explains A | |
Both A and R are wrong |
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