STD 11 - 3. Plant kingdom — NEET STD 11 Science — Question

It is not found in stroma.

Which given character is true for nitrogen bases found in living organism ?
(i) Adenine, guanine, cytosine, uracil and thymine are nitrogen bases.
(ii) When nitrogen base is attached to a sugar, they are called nucleosides.
(iii) If a phosphate group is also found esterified to the sugar of nucleosides then they are called nucleotides.
(iv) Adenosine, guanosine, thymidine, uridine and cytidine are nucleotides.
(v) Adenylic acid, thymidylic acid, guanylic acid. uridylic acid and cytidylic acid are nucleosides.
(vi) Nucleic acids like DNA and RNA consist of nucleotides only.

Tetradynamous condition is characteristics of

Microtubules are the constituents of

In the nomenclature of enzyme restrictionendonuclease the roman number indicates

It is not a character of dianoflagelates.

Red wood tree is

Auxin originates at the tip of the stem and controls growth elsewhere. The movement of auxin is largely

Assertion: Body of fungi consist of long, slender thread-like structures called hyphae.
Reason: The cell wall of fungi are composed of chitin (polysaccharides).

Which of the following set of organisms reproduce by fragmentation ?