Which of the following is not observed during apoplastic pathway? [2022]
Apoplast is continuous and does not provide any barrier to water movement.
Movement of water occurs through intercellular spaces and wall of the cells.
The movement does not involve crossing of cell membrane.
The movement is aided by cytoplasmic streaming.
(4)
The device which can remove particulate matter present in the exhaust from a thermal power plant is: [2022]
Catalytic Converter
STP
Incinerator
Electrostatic Precipitator
(4)
Match List–I with List–II.
| List–I | List–II |
| (a) Manganese | (i) Activates the enzyme catalase |
| (b) Magnesium | (ii) Required for pollen germination |
| (c) Boron | (iii) Activates enzymes of respiration |
| (d) Iron | (iv) Functions in splitting of water during photosynthesis |
Choose the correct answer from the options given below: [2022]
(a)-(iii), (b)-(i), (c)-(ii), (d)-(iv)
(a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
(a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)
(a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)
(3)
“Girdling Experiment” was performed by Plant Physiologists to identify the plant tissue through which: [2022]
osmosis is observed
water is transported
food is transported
for both water and food transportation
(3)
Addition of more solutes in a given solution will: [2022]
not affect the water potential at all
raise its water potential
lower its water potential
make its water potential zero
(4)
Which one of the following will accelerate phosphorus cycle? [2022]
Rain fall and storms
Burning of fossil fuels
Volcanic activity
Weathering of rocks
(3)
The entire fleet of buses in Delhi were converted to CNG from diesel. In reference to this, which one of the following statements is false? [2022]
It cannot be adulterated like diesel
CNG burns more efficiently than diesel
The same diesel engine is used in CNG buses making the cost of conversion low
It is cheaper than diesel
(3)
Identify the asexual reproductive structure associated with Penicillium: [2022]
Buds
Zoospores
Conidia
Gemmules
(3)
Breeding crops with higher levels of vitamins and minerals or higher proteins and healthier fats is called: [2022]
Bio-accumulation
Bio-magnification
Bio-remediation
Bio-fortification
(4)
Given below are two statements:
Statement I: The release of sperms into the seminiferous tubules is called spermiation.
Statement II: Spermiogenesis is the process of formation of sperms from spermatogonia.
In the light of the above statements, choose the most appropriate answer from the options given below: [2022]
Statement I is incorrect but Statement II is correct
Both Statement I and Statement II are correct
Both Statement I and Statement II are incorrect
Statement I is correct but Statement II is incorrect
(4)