Which of the following is not observed during apoplastic pathway ?

NEET-2022 Transport-in-Plants [class-xi ]

• 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
• Apoplast is continuous and does not provide any barrier to water movement
Correct Option: C  [ The movement is aided by cytoplasmic streaming ]

Remark:

“Girdling Experiment” was performed by Plant Physiologists to identify the plant tissue through which:

NEET-2022 Transport-in-Plants [class-xi ]

• water is transported
• food is transported
• for both water and food transportation
• osmosis is observed
Correct Option: B  [ food is transported ]

Remark:

Which one of the following produces nitrogen fixing nodules on the roots of Alnus?

NEET-2022 Mineral-Nutrition [class-xi ]

• Rhizobium
• Frankia
• Rhodospirillum
• Beijerinckia
Correct Option: B  [ Frankia ]

Remark:

Match List-I with List-II.

NEET-2022 Mineral-Nutrition [class-xi ]

• A-III, B-IV, C-I, D-II
• A-IV, B-III, C-II, D-I
• A-IV, B-I, C-II, D-III
• A-III, B-I, C-II, D-IV
Correct Option: B  [ A-IV, B-III, C-II, D-I ]

Remark:

Given below are two statements:
Statement I: The primary CO₂ acceptor in C₄ plants is phosphoenolpyruvate and is found in the mesophyll cells.
Statement II: Mesophyll cells of C₄ plants lack RuBisCo enzyme.
In the light of the above statements, choose the correct answer from the options given below:

NEET-2022 Photosynthesis-in-Higher-Plants [class-xi ]

• 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
• Statement I is incorrect but Statement II is correct
Correct Option: A  [ Both Statement I and Statement II are correct ]

Remark:

Which one of the following is not true regarding the release of energy during ATP synthesis through chemiosmosis? It involves:

NEET-2022 Photosynthesis-in-Higher-Plants [class-xi ]

• Breakdown of proton gradient
• Breakdown of electron gradient
• Movement of protons across the membrane to the stroma
• Reduction of NADP to NADPH₂ on the stroma side of the membrane
Correct Option: B  [ Breakdown of electron gradient ]

Remark:

What is the net gain of ATP when each molecule of glucose is converted to two molecules of pyruvic acid?

NEET-2022 Respiration-in-Plants [class-xi ]

• Four
• Six
• Two
• Eight
Correct Option: C  [ Two ]

Remark:

What amount of energy is released from glucose during lactic acid fermentation?

NEET-2022 Respiration-in-Plants [class-xi ]

• Approximately 15%
• More than 18%
• About 10%
• Less than 7%
Correct Option: D  [ Less than 7% ]

Remark:

Production of Cucumber has increased manifold in recent years. Application of which of the following phytohormones has resulted in this increased yield as the hormone is known to produce female flowers in the plants :

NEET-2022 Plant-Growth-and-Development [class-xi ]

• ABA
• Gibberellin
• Ethylene
• Cytokinin
Correct Option: C  [ Ethylene ]

Remark:

Which one of the following plants does not show plasticity?

NEET-2022 Plant-Growth-and-Development [class-xi ]

• Cotton
• Coriander
• Buttercup
• Maize
Correct Option: D  [ Maize ]

Remark: