STD 11 - 11. photosynthesis in higher plants — NEET STD 11 Science — Question

The cell that divides to form two male nuclei in angiosperms is

Which protozoan is unlikely to have a contractile vacuole

Which of the following set is not natural plant growth regulator

Which of the following statements are wrong for cyanobacteria ?
(i) They are multicellular, colonial or filamentous, freshwater/marine or terrestrial algae,
(ii) The colonies are generally surrounded by gelatinous sheath.
(iii) They often form blooms in polluted water bodies.
(iv) Some of these organisms can fix atmospheric nitrogen in specialised cells called heterocysts.
(v) They have chlorophyll 'a' which is not similar to green plants and are photosynthetic autotrophs.
(vi) Nostoc and Anabaena included in this group

The floral formula of the plants belonging to the family Fabaceae is

The second division in meiosis is called

When growth is exemplified by a root elongation at a constant rate. Mathematically, it is expressed as