STD 11 - 2. Biology classification — NEET STD 11 Science — Question

Assertion: Linnaeus system of classification is artificial.
Reason: They were based mainly on vegetative characters or on the androecium structure.

For study of meiosis which is the most suitable material?

Which of the following habitats is most unsuitable for primary productivity

The capacity to generate a whole plant from any cell of the plant is called:

Lenticel develops through the activity of

In which of the following reactions of glycolysis, a molecule of water is removed from the substrate?

In the electron transport system, the reduced coenzymes are regenerated by

Which of the following is not true for Glycolysis ?
(i) In anaerobic organisms, it is the only process in respiration.
(ii) Glycolysis occurs in the cytoplasm of the cell and is present in all living organisms.
(iii) In this process, glucose undergoes complete oxidation to form two molecules of pyruvic acid.
(iv) Sucrose is converted into glucose and fructose by the enzyme, invertase, and these two monosaccharides readily enter the glycolytic pathway.
(v) Glucose phosphorylated to give rise to glucose- 6-phosphate by the activity of the enzyme hexokinase.
(vi) Phosphorylated form of glucose then isomerises to produce fructose-6-phosphate. Subsequent steps of metabolism of glucose and fructose are same.

Spirogyra, Volvox and Chlamydomonas shows