Locomotion and Movement — BIOLOGY STD 11 Science — Question

What are the animals that produce children called?

What are the components of haemoglobin?

From where ephedrine is obtained? What is its use?

Why are mitochondria called 'semiautonomous organelles'?

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 a drug that has an inhibitory effect on cell cycle in mitotic stage.

How does the somatic nervous system work?

How many molecules of ATP is generated after oxidation of 1 molecule of glucose during cellular respiration?

Give the name of the cavity in the girdle to which head of femur articulates.

Fill in the blank spaces: The number of phalanges in each limb of human is __________.