Write the defects caused in humans by depletion of ozone layer.
Answers
Answer:
INSTRUCTIONS FOR STUDENTS FOR SEPTEMBER EXAMINATION, 2020
1. Your Question paper for the subject has been divided into 2 parts as given below:
CLASSES V, VI & VII
Paper Time Type
Paper 1 9:00-9:40 am Google forms (Link to be shared in Google classroom)
Paper 2 10:00-10:40 am Word Document - (shared in GCR) -Subjective paper
2. Students can write the answer in their notebook or can take out a pin page to attempt the paper.
3. Students have to mention their NAME, CLASS AND SECTION, CLASS ROLL No. ,
PAGE No. on EACH SHEET OF THE ANSWER SCRIPT.
4. For submission, students will take a picture, convert it into PDF and turn in the document.
5 minutes extra will be given to attach the PDF.
5. In case a student faces any difficulty in attaching the PDF, he/she can immediately mail the
document as an attachment to the subject teacher through G-suite
6. To avoid such in-convenience, students to ensure a good connectivity during the examination
days. Also keep a phone available for contact on Whatsapp with the teacher in case of any
problems.
7. For all examinations, join the class teacher subject link :-
CLASS JOINING LINK
V-A Mathematics (Ms Shelly Khanna)
V-B Hindi (Ms Anjana Sharma)
V-C S.Studies (Ms Reena Singh)
VI-A Mathematics (Ms Kamal Sachdeva)
VI-B Mathematics (Ms Hena Goyal)
VI-C S.Science (Ms Anita Mahla)
VII-A Biology (Ms Shradha Saini)
VII-B Hindi (Ms Avtar Kaur)
VII-C Hindi (Ms Lalita Khera)
8. Format
Explanation:
Answer:
Ozone layer depletion causes increased UV radiation levels at the Earth's surface, which is damaging to human health. Negative effects include increases in certain types of skin cancers, eye cataracts and immune deficiency disorders.UV rays also affect plant growth, reducing agricultural productivity.