2nd Year Biology Notes Short Questions Pdf Download

Yes, these chapters are the best notes of second-year biology for short questions. Brief questions have been taken within the past papers and book text and from the practice of each chapter. That’s why we have more than 100 short questions from each chapter of second-year biology.

2nd Year Biology Notes Short Questions Pdf Download

reproduction in organisms
animal kingdom
biological classification
human reproduction
plant kingdom
mineral nutrition

What do you know about homeostasis?

The protection of the internal environment from the harms of fluctuations in the external environment is termed as homeostasis.

Define osmoregulation.

The mechanism of regulation, generally between an organism and its environment, of solute and the gain and the loss of water is osmoregulation. Or
It is the regulation of water and solutes between organisms and their environment.

How plants are distributed on the basis of osmoregulation?

Plants are distributed in different habitats of aquatic, moderate, and severely dry terrestrial nature, thus termed hydrophytes, mesophytes, and xerophytes, respectively.

What are osmoregulators?

Animals whose body fluid concentration differs noticeably from the outside environment actively regulate to discharge of excess water hypotonic and excrete salts in hypertonic conditions, therefore, are called osmoregulatory.