STD 11 - 6. Anatomy flowering plants — NEET STD 11 Science — Question

The effect of oxygen supply on growth is

Generally how many megaspores take part in the development of female gametophyte

Capitulum inflorescence is found in

Which of the following is producer of plant kingdom

Which of the following statements are correct from given statement ?
(i) Glucose is the favoured substrate for respiration. All carbohydrates are usually first converted into glucose before they are used for respiration.
(ii) Other substrates like fats, proteins can also be respired but they do not enter the respiratory pathway at the first step.
(iii) If fatty acids were to be respired they would first be degraded to acetyl CoA and enter the pathway.
(iv) Glycerol would enter the pathway after being converted to PGAL.
(v) The proteins would be degraded by proteases and the individual amino acids and it enter the pathway at some stage within the Krebs' cycle or even as pyruvate or acetyl CoA.
(vi) Because the respiratory pathway is involved in both anabolism and catabolism it consider as an amphibolic pathway rather than as a catabolic one.

Thalamus is

Growth of pollen tube towards embryo sac is

Adults of which phyllum shows radial symmetry

Constancy of the chromosome number in successive generations is brought by the process of