Breathing and Exchange of Gases — BIOLOGY STD 11 Science — Question

Write the name of any two organisms that show fragmentation.

Name the blood vessel that carries blood (a) to glomerulus and (b) from glomerulus.

Given below are the abnormal conditions related to blood circulation. Name the disorders.
Acute chest pain due to failure of O₂ supply to heart muscles.

Fill in the gaps:
Ascending limb of Henle’s loop is _______ to water whereas the descending limb is _______ to it.

Which substances do the oil glands remove through sebum?

Pyruvic acid, the key/end product of glycolysis has many metabolic fates. What does it form under aerobic condition?

In which type of bone, bone marrow cavity is present?

Name the types of fibres present in areolar tissues.

Write any two basic bases of taxonomy.

Give the name of the classes of kingdom-Plantae.