Class 12 Biology Chapter 17 Short Questions Notes – Coordination and Control

By admin

In this post, I am sharing the Class 12 Biology Chapter 17 Short Questions Notes PDF for the students of Intermediate Part 2. This chapter’s name is Coordination and Control. Students can download the Class 12 Biology Chapter 17 Coordination and Control Notes PDF on their laptops or mobile. These Biology Notes are for all the boards working under the Punjab Board like Gujranwala Board, Lahore Board, Faisalabad Board, Multan Board, Rawalpindi Board, Sargodha Board, DG Kahn Board, and Sahiwal Board. Here are the complete FSC 2nd Year Biology Notes PDF chapters.

Table of Contents show

FSC Part 2 Biology Chapter 17 Short Questions Notes – Coordination and Control

Class 12 Biology Notes

PDF Download

Whati is myxoedema?

A disease caused by decreased activity of the thyroid gland in adults and characterized by dry skin, sellings around the lips and nose, mental deterioration, and a subnormal basal metabolic rate.

Give commercial uses of NAA.

Stimulates fruiting – help natural fruit set. Sometimes it causes fruit setting in absene of pollination (parthenocarpy).

Give Commercial uses of 2-4, D.

Selective weed killer kills broad leaved species (dicot). Used in cereal crops and lawns to eliminate weeds. Inhibits sprouting of potatoes. Prevents premature fruit drop (retard abscission).

What are the limitations of coordination?

The organisms do not show response to every stimulus. Even the most developed animas like man is unable to detect and show response to many stimuli in our environment.

Can our eye see all the radiations?

We can see only visible radiation of spectrum of light. But our eyes cannot detect the non – visble radiations.

How to Download 2nd year Biology Chapter 17 Short Questions Notes

These 2nd Year Biology Notes you can read online or download them. By clicking the above read button now you can download Class 12 Biology Chapter 17 Short Questions Notes very easily on your mobile phone and laptop. Please don’t forget to subscribe to our YouTube channel ilmihub.