Symbionts which help plants in uptake of phosphorous and trace metals such as zinc and copper.

✅ D. Both A and B

Option A: Nitrogen Option B: Magnesium Option C: Iron Option D: Both A and B Correct Answer : Both A and B Read more

✅ B. 1 mh-1

Option A: 8mh-1 Option B: 1 mh-1 Option C: 7 mh-1 Option D: 4 mh-1 Correct Answer : 1 mh-1 Read more

✅ D. vitamin

Option A: lipid Option B: protein Option C: inorganic ion Option D: vitamin Correct Answer : vitamin Read more

✅ A. Leaves respire and utilize O2 and release CO2.

Option A: Leaves respire and utilize O2 and release CO2. Option B: Stems Option C: Roots Option D: Branches Correct Answer : Leaves respire and utilize O2 and release CO2. Read more

✅ D. Prion

Option A: Bacteria Option B: Cowpox Virus Option C: Adenovirus Option D: Prion Correct Answer : Prion Read more

✅ D. All of these

Option A: Antibodies. Option B: Interferons Option C: Antitoxins Option D: All of these Correct Answer : All of these Read more

✅ D. Organelles

Option A: Molecule Option B: Subatomic particles Option C: Atoms Option D: Organelles Correct Answer : Organelles Read more

✅ A. Tracheids

Option A: Tracheids Option B: Sclereids Option C: Trachea Option D: Collenchyma cells Correct Answer : Tracheids Read more