PART - 1 - Unit II : CH - 5 Morphology of Flowering Plants — BIOLOGY STD 11 Science — Question

How many turns of Calvin cycle are required to generate one molecule of glucose?

Give the term used for the enzymes having slightly different molecular structure, but similar catalytic action.

Name the following:
Cortical portions projecting between the medullary pyramids in the human kidney.

Give the name of the central information processing organ of our body.

Which of the words given for the following statements are the related words (i) Prophase,(ii) Metaphase,(iii) Anaphase,(iv) Telophase.
(a) Nuclear membrane reappears.
(b) Chromosomes are the thickest and smallest.
(c) Chromosomes start coiling.
(d) The chromosome divides into two at the centromere.
(e) Pre-stage of cytokinesis.
(f) Each chromosome is made up of two chromatids/ half chromosomes.

Name the gonadotropin that influences the secretion of:

1. Estrogens.
2. Progesterone.

What forms the basis of classifying lipids into oils and fats?

Some animals of phylum 'Cnidaria' show metagenesis. What is it? Give an example of animal that shows metagenesis.

Name the bacteria that causes souring of milk.

Write the two main functions of cuboidal epithelium.