During biological nitrogen fixation, inactivation of nitrogenase by oxygen poisoning is prevented by

1. Leghaemoglobin

2. Xanthophylls

3. Carotene

4. Cytochrome

Subtopic:  Nodule formation |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology

The first stable product of fixation of atmospheric nitrogen in leguminous plants is:
1. Ammonia
2. Nitrite
3. Glutamate
4. NO2-
Subtopic:  Nodule formation |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology

For its action, nitrogenase requires :
1.  Light
2.  Mn2+
3.  Super oxygen radicals
4.  High input of energy

Subtopic:  Nodule formation |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology

Read the following four statements (I-IV)
(I) Both, photophosphorylation and oxidative phosphorylation involve uphill transport of protons across the
membrane
(II) In dicot stems, a new cambium originates from cells of pericycle at the time of secondary growth
(III) Stamens in flowers of Gloriosa and Petunia are polyandrous
(IV) Symbiotic nitrogen-fixers occur in free-living state also in soil
How many of the above statements are right

1.  Three 

2. Four 

3. One 

4. Two 

Subtopic:  Nitrogen Fixation | Nodule formation |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology

The function of leghemoglobin in the root nodules of legumes is

1. oxygen removal
2. nodule differentiation
3. expression of nif gene
4. inhibition of nitrogenase activity

Subtopic:  Nodule formation |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology

Leguminous plants are able to fix atmospheric nitrogen through the process of symbiotic nitrogen fixation. Which one of the following statements is not correct during this process of nitrogen fixation -

1. Nodules act as sites for nitrogen fixation

2. The enzyme nitrogenase catalyses the conversion of atmospheric N2 to NH3

3. Nitrogenase is insensitive to oxygen

4. Leghaemoglobin scavenges oxygen and is pinkish in colour

Subtopic:  Nodule formation |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology