Your detailed explanations and inclusion of past paper practice truly make learning effective and engaging. What sets you apart is your consideration of the religious factor, sharing helpful duas and exam tips alongside the subject matter. You're truly a great teacher!
Asalamualaikum! Mam could you please make a video on what to do on the final day before bio p2. Should we only revise or if we have done very few yearlies, we should try to attempt some yearlies too after the rev. Please guide mam! Thanks Alott
Not much you can do today You should have been exam ready by the end of April Just revise the syllabus and do the latest past papers in a proper manner No improvements can be made on the last day before the exam Its only what you did in the whole year which is going to reflect in todays exam
Hi Thank you very much for the video Does paper 3 include the Bronchus and Trachea? Ive never seen any plan diagrams for them within any of the recent past papers. Mainly just plants. Is the Bronchus and Trachea just within paper 2?
@@docsairawill it cost me a mark if my graph is covered 70% the values they gave for the x axis was weird I spent 10 to 15 mins on the graph I tried using 1,2,5 rule like my smallest box scale but it didn’t work so I went for 4 as my smallest box will they cut my marks???
I am a 5090 student and I gave my exam today I watched your entire playlist but just 2 months ago I was clueless on what to study in bio after watching your playlist in just 1 and a half months all my concepts were clarified and my paper went phenomenal thank you thank you so muchhhh❤❤
No Its not wavy in real life But if it appears a little wavy on a slide is because of the how the section is cut by a microtome so its shape can appear slightly altered But You draw what you see
Hope This Helps!!! Good luck with your exams [00:00] This video teaches how to do plan drawings for paper three, covering gas exchange system, stem roots and leaves, and arteries and veins. - The syllabus specifies what needs to be known for plan drawings, including recognizing different cell types and making transverse sections - Trachea and bronchus, stem roots and leaves, and arteries and veins are the three main topics for plan drawings - For each topic, specific details must be recognized and drawn from microscope slides, photo micrographs, and electron micrographs [02:31] Drawing a plan of a trachea requires tracing and enlarging the given diagram - Tracing the actual photo micrograph is recommended - The plan drawing should be bigger than the given diagram - An example of a plan drawing from an old paper 3 is provided [05:02] Revision tips for anatomy exams - Question paper 31 includes labeled diagrams of the trachea and bronchus The broncus has plates of cartilage while the trachea has a C-shaped cartilage - Arteries have crinkled endothelium and three lines while veins lack crinkled endothelium - Drawing proportion and shape is crucial for accurate representation [07:34] Drawing of arteries and veins requires attention to detail - Arteries have crinkled endothelium and distinct tunic media - Veins have less muscle in the wall - Muscular arteries have more muscle near the organ - Draw arteries with three or four lines and veins with two lines - Roots of plants have not been discussed in the video [10:03] Drawing a stem requires clear demarcation of the endodermis and vascular tissue - The endodermis should be drawn as a double line - The proportion of the central part should be correct, which is slightly less than 1/3 of the whole diameter - When drawing the vascular tissue, two lines should be drawn with clear indication of how it connects to the rest of the stem [12:34] Vascular bundles in stems are not all the same shape and size - Some bundles are smaller or larger than others - Bundles must be drawn symmetrically and accurately - Count the number of vascular bundles and differentiate between xylem and phloem - There are typically 5-9 vascular bundles in half of a stem slide [15:05] Drawing half of a root requires tracing and including vascular bundles, Flum, flo, vessel elements, pericycle, and endodermis - The root has a central area with flum and flo regions - Vascular bundles are present in various locations - Different tissue types are present in specific areas - A detailed diagram is available for reference - When drawing the Flo in transverse section, vessels meeting have three lines and other areas have two lines [17:37] Drawing plant structures requires specific lines and markings - Different plant structures require different types of lines and markings - For example, xylem vessels are shown as double lines due to their thickness - Leaf drawings typically include two lines for upper epidermis, one line for palisade mesophyll, and a double line for lower epidermis - Annotations may also be included in plant structure diagrams to provide additional information [20:07] The video explains the anatomy of a stem, including the labeling of its parts and vascular bundles - Stems have a central area called the path, surrounded by the cortex and epidermis - Vascular bundles consist of xylem, phloem, and cambium, with the phloem being thinner - Leaves have upper and lower epidermis, with the palisade layer being thick and many-layered - Stomata can be found on the lower epidermis, and cuticles protect the leaf surface [22:38] Drawing techniques for identifying stomata and upper epidermis cells in leaves - To identify stomata and upper epidermis cells, draw a double line to demarcate the epidermis and thinner lines to mark the palisade and vascular bundle - When asked to draw three adjacent cells of the upper epidermis, draw them unevenly and connect them with a double line - Review previous papers on identifying arteries, veins, STA bronchus, leaf stem, and root for more practice
![[9700] Cambridge International A-Level Biology Lab: Serial Dilution [ChemPraxis]](http://i.ytimg.com/vi/vjuxXGGVLdk/mqdefault.jpg)
Your detailed explanations and inclusion of past paper practice truly make learning effective and engaging. What sets you apart is your consideration of the religious factor, sharing helpful duas and exam tips alongside the subject matter. You're truly a great teacher!
Thanks my dear
Thank you so much Miss for making such a helpful video , love you loads ❤
Asalamualaikum! Mam could you please make a video on what to do on the final day before bio p2. Should we only revise or if we have done very few yearlies, we should try to attempt some yearlies too after the rev. Please guide mam! Thanks Alott
Not much you can do today
You should have been exam ready by the end of April
Just revise the syllabus and do the latest past papers in a proper manner
No improvements can be made on the last day before the exam
Its only what you did in the whole year which is going to reflect in todays exam
@@docsaira alright Thank you so much Mam!
Hi
Thank you very much for the video
Does paper 3 include the Bronchus and Trachea?
Ive never seen any plan diagrams for them within any of the recent past papers. Mainly just plants.
Is the Bronchus and Trachea just within paper 2?
Plan drawing s come in paper 3
Have discussed the syllabus points
Plz follow syllabus very carefully
assalamualaikum ma’am we had 34 today for Q2 can we write many differences or only 3??
You can write many
Three correct will be given 3 marks
@@docsaira thank you ma’am
Can we use 3 and 4 as one block for the graph scale and should the graph be covered more than 50%?
In A levels the scale is specified and you only get one mark if that specific scale has been used
@@docsairawill it cost me a mark if my graph is covered 70% the values they gave for the x axis was weird I spent 10 to 15 mins on the graph I tried using 1,2,5 rule like my smallest box scale but it didn’t work so I went for 4 as my smallest box will they cut my marks???
@@bigboy6439
No they will not
@@docsairathank you so much ma’am ❤
I am a 5090 student and I gave my exam today I watched your entire playlist but just 2 months ago I was clueless on what to study in bio after watching your playlist in just 1 and a half months all my concepts were clarified and my paper went phenomenal thank you thank you so muchhhh❤❤
why didn't you draw the wavy endothelium of the artery as a double layer?
You can do that as well but a single line is correct too
Mam plz make a video for olevel p4 which is on Tuesday InshaAllah
14:25
do we draw a folded epithelium for trachea and brochus (making the line wavy?)
No
Its not wavy in real life
But if it appears a little wavy on a slide is because of the how the section is cut by a microtome so its shape can appear slightly altered
But
You draw what you see
Ma'am can u please solve fm 24 p4 as the exam is in 2 days
Which paper are you referring to
@@docsaira 9700/42/f/m/24
@@docsaira 9700/42/f/m/24
@@docsaira 9700/42/f/m/24
lots of love and respect for you dear ma'am
anyone reply
Thank you so much 😊
please tell
Hope This Helps!!!
Good luck with your exams
[00:00] This video teaches how to do plan drawings for paper three, covering gas exchange system, stem roots and leaves, and arteries and veins.
- The syllabus specifies what needs to be known for plan drawings, including recognizing different cell types and making transverse sections
- Trachea and bronchus, stem roots and leaves, and arteries and veins are the three main topics for plan drawings
- For each topic, specific details must be recognized and drawn from microscope slides, photo micrographs, and electron micrographs
[02:31] Drawing a plan of a trachea requires tracing and enlarging the given diagram
- Tracing the actual photo micrograph is recommended
- The plan drawing should be bigger than the given diagram
- An example of a plan drawing from an old paper 3 is provided
[05:02] Revision tips for anatomy exams
- Question paper 31 includes labeled diagrams of the trachea and bronchus
The broncus has plates of cartilage while the trachea has a C-shaped cartilage
- Arteries have crinkled endothelium and three lines while veins lack crinkled endothelium
- Drawing proportion and shape is crucial for accurate representation
[07:34] Drawing of arteries and veins requires attention to detail
- Arteries have crinkled endothelium and distinct tunic media
- Veins have less muscle in the wall
- Muscular arteries have more muscle near the organ
- Draw arteries with three or four lines and veins with two lines
- Roots of plants have not been discussed in the video
[10:03] Drawing a stem requires clear demarcation of the endodermis and vascular tissue
- The endodermis should be drawn as a double line
- The proportion of the central part should be correct, which is slightly less than 1/3 of the whole diameter
- When drawing the vascular tissue, two lines should be drawn with clear indication of how it connects to the rest of the stem
[12:34] Vascular bundles in stems are not all the same shape and size
- Some bundles are smaller or larger than others
- Bundles must be drawn symmetrically and accurately
- Count the number of vascular bundles and differentiate between xylem and phloem
- There are typically 5-9 vascular bundles in half of a stem slide
[15:05] Drawing half of a root requires tracing and including vascular bundles, Flum, flo, vessel elements, pericycle, and endodermis
- The root has a central area with flum and flo regions
- Vascular bundles are present in various locations
- Different tissue types are present in specific areas
- A detailed diagram is available for reference
- When drawing the Flo in transverse section, vessels meeting have three lines and other areas have two lines
[17:37] Drawing plant structures requires specific lines and markings
- Different plant structures require different types of lines and markings
- For example, xylem vessels are shown as double lines due to their thickness
- Leaf drawings typically include two lines for upper epidermis, one line for palisade mesophyll, and a double line for lower epidermis
- Annotations may also be included in plant structure diagrams to provide additional information
[20:07] The video explains the anatomy of a stem, including the labeling of its parts and vascular bundles
- Stems have a central area called the path, surrounded by the cortex and epidermis
- Vascular bundles consist of xylem, phloem, and cambium, with the phloem being thinner
- Leaves have upper and lower epidermis, with the palisade layer being thick and many-layered
- Stomata can be found on the lower epidermis, and cuticles protect the leaf surface
[22:38] Drawing techniques for identifying stomata and upper epidermis cells in leaves
- To identify stomata and upper epidermis cells, draw a double line to demarcate the epidermis and thinner lines to mark the palisade and vascular bundle
- When asked to draw three adjacent cells of the upper epidermis, draw them unevenly and connect them with a double line
- Review previous papers on identifying arteries, veins, STA bronchus, leaf stem, and root for more practice
Wow, you're awesome! Thank you so much
@@voyage-of-tranquility your welcome ☺
@@haamailfaisal7914 good luck for your exams too! :)
@@voyage-of-tranquility Thank You!!!☺
@@haamailfaisal7914
You are a gem of a person. Thank you Dr Saira for your amazing explanations. 💕
Best of luck 🌺🌸🌺🌸
pls can you do p4 9700
and p5