Zoology CSS Paper I 2004




NOTE: Attempt FIVE questions in all, including question No. 7 which is COMPULSORY. Select at least TWO QUESTIONS from each of the SECTIONS ‘I’ AND ‘II’. All questions carry EQUAL marks.


  1. (a) Give a brief account of Pathogenic Protozoa.( 7)
    (b) Describe different types of Canal System found in Sponges. (7)
    (c) “In Tapeworm True Segmentation is absent.” Comment. (6)

  2. (a) “Polyp and Medusa are strictly homologous structures.” Justify the statement. (7)
    (b) Tracheal apparatus of insects and those of Arachnids are essentially different. Discus the above statement. (6)
    (c) Give an account of Podium in Mollusca. (7)

  3. Write short notes on the following. (5+5+5+5)
    (a) Schizocoel (b) Secondary Segmentation (c) Echinoderm Larvae (d) Water Vascular System in Echinoderms.


  1. (a) “Hemichoda” should not be included in Chordata. Justify the statement. (8)
    (b) “Amphioxus” is certainly related to Ancestral vertebrates. Comment upon the statement. (12)

  2. (a) Discuss the Evolution of Aortic Arches in different vertebrate groups. (8)
    (b) Discuss Birds as a flying Machine. (12)

  3. (a) Briefly describe the structure, formation and function of “Placenta”. (12)
    (b) Amplify the statement that Monotremes show a mixture of Mammalian and Reptilian characters. (8)


  1. Write only the correct answer in the Answer Book. Do not reproduce the questions.

(1) Despite the structural diversities they are characterized by having soft body protected by calcareous shell developing from the mantle layer.
(a) Corals (b) Foraminiferos (c) Molluscs (d) None of these

(2) The members of the phylum are exclusively Marine.
(a) Porifera (b) Coelenterata (c) Echinodermata (d) None of these

(3) How many paired legs are present in Arachnids?
(a) 2 pairs (b) 3 pairs (c) 4 pairs (d) None of these

(4) A true Coelom is absent in:
(a) Platyhelminthes (b) Mollusca (c) Insects (d) None of these

(5) A single aperture is present in
(a) Nematoda (b) Cridaria (c) Annelida (d) None of these

(6) The following represents Enterocoelous phylum.
(a) Annelida (b) Mollusca (c) Echinodermata (d) None of these

(7) It is exclusively a Parasitic group.
(a) Ciliata (b) Mastigophora (c) Phizopoda (d) Sporozoa (e) None of these

(8) Most species of Animal Kingdom belong to this Class:
(a) Acazina (b) Hexapoda (c) Crustacea (d) None of these

(9) Insect mouth parts are serially homologous.
(a) Claspers (b) Sting apparatus (c) Cerci (d) Legs (e) None of these

(10) The only groups of animals which are diploblastic in nature:
(a) Platyhelminthes (b) Coelenterata (c) Porifera (d) None of these

11) The phenomenon in which larva becomes sexually mature.
(a) Retrogressive Metamorphosis (b) Neoteny (c) Both ‘a’ and ‘b’ (d) None of these

(12) Amphibians have the following number of chambers in their heart.
(a) 2 (b) 3 (c) 4 (d) 5 (e) None of these

(13) The young are born in less developed condition.
(a) Monotremes (b) Marsupials (c) Placentals (d) None of these

(14) Limbs of Sea Crows and Sea Lions are the product of:
(a) Convergent Evolution (b) Divergent Evolution (c) Parallel Evolution (d) None of these

(15) In these animals the teeth are reduced to molars without enamel or no teeth are present.
(a) Moles (b) Bats (c) Sloths (d) None of these

(16) Only hind limbs are lost in:
(a) Snakes (b) Whales (c) Bets (d) None of these

(17) Among the following which snake is non-poisonous?
(a) Krait (b) Python (c) Viper (d) None of these

(18) Which one is excluded from the Phylum Chordata.
(a) Urochordata (b) Hemichordata (c) Cephalochordata (d) None of these

(19) The earliest known species of birds is:
(a) Archaeopteryx (b) Hesperornis (c) Ichthyornis (d) None of these

(20) A muscular diaphragm helps to move air into and out of the lungs in:
(a) Amphibians (b) Reptilians (c) Avians (d) Mammalians (e) None of these


81 thoughts on “Zoology CSS Paper I 2004

  • September 27, 2022 at 10:21 am

    860238 438474hello!,I actually like your writing extremely a great deal! percentage we maintain up a correspondence extra about your article on AOL? I need an expert on this area to unravel my difficulty. May possibly be that is you! Taking a look forward to peer you. 465583

  • October 25, 2022 at 9:22 pm

    383568 563204Quite instructive and good bodily structure of topic matter, now thats user pleasant (:. 774656

  • October 20, 2023 at 9:15 pm

    Greetings from Los angeles! I’m bored at work so I decided to check out your site on my iphone during lunch break. I really like the information you provide here and can’t wait to take a look when I get home. I’m amazed at how quick your blog loaded on my cell phone .. I’m not even using WIFI, just 3G .. Anyhow, great site!

  • October 20, 2023 at 11:09 pm

    Thanks for this glorious article. One other thing is that almost all digital cameras arrive equipped with a new zoom lens that enables more or less of that scene being included by way of ‘zooming’ in and out. These changes in {focus|focusing|concentration|target|the a**** length tend to be reflected from the viewfinder and on large display screen at the back of the particular camera.

  • October 21, 2023 at 9:23 pm

    One other issue is when you are in a circumstances where you do not have a co-signer then you may really need to try to exhaust all of your financial aid options. You’ll find many grants and other scholarships and grants that will provide you with finances to assist with classes expenses. Thanks for the post.

  • October 22, 2023 at 5:50 am

    There are some fascinating points in time on this article but I don?t know if I see all of them middle to heart. There’s some validity however I’ll take hold opinion till I look into it further. Good article , thanks and we would like extra! Added to FeedBurner as effectively

  • October 23, 2023 at 7:51 pm

    I do agree with all the ideas you have presented in your post. They are very convincing and will definitely work. Still, the posts are very short for newbies. Could you please extend them a bit from next time? Thanks for the post.

  • October 23, 2023 at 11:45 pm

    Нужна стяжка пола в Москве, но вы не знаете, как выбрать подрядчика? Обратитесь к нам на сайт styazhka-pola24.ru! Мы предлагаем услуги по устройству стяжки пола любой площади и сложности, а также гарантируем доступные цены и высокое качество работ.

  • October 24, 2023 at 9:00 am

    I?ve recently started a website, the info you offer on this web site has helped me tremendously. Thank you for all of your time & work.

  • October 24, 2023 at 9:21 pm

    Its such as you read my thoughts! You seem to grasp so much about this, such as you wrote the e book in it or something. I believe that you can do with a few percent to power the message home a bit, however instead of that, this is fantastic blog. An excellent read. I’ll definitely be back.

  • October 25, 2023 at 12:40 pm

    I have seen that wise real estate agents all around you are Promotion. They are acknowledging that it’s more than just placing a sign in the front area. It’s really with regards to building human relationships with these dealers who later will become buyers. So, while you give your time and effort to encouraging these dealers go it alone — the “Law associated with Reciprocity” kicks in. Great blog post.

  • October 26, 2023 at 5:11 am

    Please let me know if you’re looking for a writer for your blog. You have some really good posts and I think I would be a good asset. If you ever want to take some of the load off, I’d really like to write some articles for your blog in exchange for a link back to mine. Please send me an e-mail if interested. Regards!

  • October 26, 2023 at 7:06 am

    Thanks for your post. One other thing is that often individual states in the United states of america have their particular laws in which affect homeowners, which makes it very difficult for the the nation’s lawmakers to come up with a brand new set of recommendations concerning foreclosed on people. The problem is that every state offers own laws which may have interaction in a damaging manner in regards to foreclosure insurance policies.

  • October 29, 2023 at 6:31 am

    Hey very nice website!! Man .. Excellent .. Amazing .. I will bookmark your website and take the feeds also?I am happy to find numerous useful info here in the post, we need work out more strategies in this regard, thanks for sharing. . . . . .

  • October 30, 2023 at 12:27 am

    An impressive share, I simply given this onto a colleague who was doing a little bit analysis on this. And he in truth bought me breakfast as a result of I discovered it for him.. smile. So let me reword that: Thnx for the deal with! However yeah Thnkx for spending the time to discuss this, I really feel strongly about it and love studying more on this topic. If potential, as you turn out to be expertise, would you thoughts updating your blog with extra particulars? It is highly helpful for me. Big thumb up for this blog submit!

  • October 30, 2023 at 3:22 am

    Hi there! Someone in my Myspace group shared this site with us so I came to take a look. I’m definitely enjoying the information. I’m book-marking and will be tweeting this to my followers! Great blog and brilliant design and style.

  • October 30, 2023 at 7:32 am

    Hi there! I just wanted to ask if you ever have any issues with hackers? My last blog (wordpress) was hacked and I ended up losing months of hard work due to no data backup. Do you have any solutions to protect against hackers?

  • October 31, 2023 at 8:17 am

    Hello, i think that i saw you visited my web site so i came to ?return the favor?.I’m trying to find things to enhance my website!I suppose its ok to use some of your ideas!!

  • October 31, 2023 at 8:22 am

    I like what you guys are up too. Such intelligent work and reporting! Carry on the excellent works guys I?ve incorporated you guys to my blogroll. I think it will improve the value of my web site :)

  • November 1, 2023 at 2:46 am

    It?s laborious to search out knowledgeable people on this subject, but you sound like you know what you?re speaking about! Thanks

  • November 1, 2023 at 8:36 am

    I really like what you guys are usually up too. This type of clever work and coverage! Keep up the superb works guys I’ve you guys to our blogroll.

  • November 1, 2023 at 11:02 pm

    Hey there! I could have sworn I’ve been to this site before but after browsing through some of the post I realized it’s new to me. Anyhow, I’m definitely glad I found it and I’ll be bookmarking and checking back frequently!

  • November 2, 2023 at 12:15 am

    Hola! I’ve been reading your blog for a long time now and finally got the courage to go ahead and give you a shout out from Dallas Tx! Just wanted to tell you keep up the good work!

  • November 2, 2023 at 6:02 am

    Your site won’t render correctly on my blackberry – you may want to try and fix that

  • November 2, 2023 at 4:02 pm

    Hi, i believe that i saw you visited my weblog thus i came to ?return the favor?.I’m trying to find things to improve my site!I suppose its ok to make use of some of your ideas!!

  • November 2, 2023 at 9:37 pm

    You really make it seem so easy with your presentation but I find this matter to be really one thing that I believe I’d by no means understand. It kind of feels too complex and very extensive for me. I’m having a look forward for your subsequent submit, I?ll attempt to get the dangle of it!

  • November 2, 2023 at 11:41 pm

    This is very interesting, You are a very skilled blogger. I have joined your feed and look forward to seeking more of your great post. Also, I have shared your web site in my social networks!

  • November 3, 2023 at 3:44 am

    Thank you for sharing excellent informations. Your website is so cool. I am impressed by the details that you?ve on this site. It reveals how nicely you understand this subject. Bookmarked this web page, will come back for extra articles. You, my pal, ROCK! I found simply the information I already searched everywhere and simply couldn’t come across. What a perfect web-site.

  • November 3, 2023 at 4:04 pm

    Fantastic goods from you, man. I’ve be aware your stuff prior to and you’re simply too wonderful. I really like what you’ve obtained here, really like what you’re stating and the way through which you are saying it. You are making it entertaining and you still take care of to stay it sensible. I cant wait to read far more from you. This is actually a great site.

  • November 3, 2023 at 5:19 pm

    I found your blog web site on google and check a number of of your early posts. Continue to maintain up the superb operate. I just additional up your RSS feed to my MSN Information Reader. Seeking forward to reading extra from you later on!?

  • November 3, 2023 at 5:37 pm

    Hey! Would you mind if I share your blog with my zynga group? There’s a lot of people that I think would really enjoy your content. Please let me know. Thanks

  • November 3, 2023 at 6:36 pm

    Hi there, i read your blog occasionally and i own a similar one and i was just curious if you get a lot of spam responses? If so how do you protect against it, any plugin or anything you can advise? I get so much lately it’s driving me mad so any assistance is very much appreciated.

  • November 4, 2023 at 2:28 am

    Fascinating blog! Is your theme custom made or did you download it from somewhere? A design like yours with a few simple adjustements would really make my blog shine. Please let me know where you got your design. Thanks a lot

  • November 4, 2023 at 1:11 pm

    I was suggested this blog by means of my cousin. I am not positive whether or not this submit is written by means of him as no one else recognise such specific about my problem. You are amazing! Thanks!

  • November 4, 2023 at 8:01 pm

    Хотите обновить свой дом с минимальными усилиями? Штукатурка по маякам стен – это то, что вам нужно. Обратитесь к профессионалам с mehanizirovannaya-shtukaturka-moscow.ru

  • November 5, 2023 at 4:18 am

    F*ckin? tremendous things here. I?m very glad to see your article. Thanks a lot and i am looking forward to contact you. Will you please drop me a mail?

  • November 5, 2023 at 4:20 pm

    Howdy I am so delighted I found your webpage, I really found you by mistake, while I was researching on Digg for something else, Anyhow I am here now and would just like to say thank you for a remarkable post and a all round thrilling blog (I also love the theme/design), I don’t have time to read through it all at the minute but I have saved it and also added your RSS feeds, so when I have time I will be back to read more, Please do keep up the great job.

  • November 5, 2023 at 9:01 pm

    I have been browsing online more than three hours today, yet I never found any interesting article like yours. It?s pretty worth enough for me. In my opinion, if all webmasters and bloggers made good content as you did, the web will be much more useful than ever before.

  • November 6, 2023 at 2:43 am

    Thanks for your blog post. The things i would like to bring about is that pc memory is required to be purchased when your computer can no longer cope with everything you do along with it. One can put in two RAM boards with 1GB each, by way of example, but not one of 1GB and one of 2GB. One should look for the car maker’s documentation for one’s PC to make sure what type of storage is needed.

  • November 6, 2023 at 3:28 am

    An additional issue is really that video gaming became one of the all-time largest forms of fun for people spanning various ages. Kids enjoy video games, and also adults do, too. Your XBox 360 is amongst the favorite games systems for individuals that love to have a huge variety of games available to them, along with who like to learn live with other people all over the world. Thanks for sharing your ideas.

  • November 7, 2023 at 7:29 am

    You really make it seem so easy with your presentation but I find this topic to be really something which I think I would never understand. It seems too complex and very broad for me. I am looking forward for your next post, I?ll try to get the hang of it!

  • November 8, 2023 at 9:01 pm

    It’s the best time to make a few plans for the longer term and it’s time to be happy. I have read this publish and if I could I desire to counsel you few fascinating issues or suggestions. Perhaps you can write next articles referring to this article. I desire to learn even more issues approximately it!

  • November 8, 2023 at 9:28 pm

    Hi, i believe that i noticed you visited my blog so i got here to ?go back the choose?.I’m attempting to to find things to enhance my website!I guess its good enough to make use of some of your ideas!!

  • November 9, 2023 at 6:45 am

    You really make it seem so easy with your presentation however I find this topic to be really something which I feel I would never understand. It sort of feels too complicated and very vast for me. I am taking a look forward on your next submit, I will try to get the cling of it!

  • November 10, 2023 at 4:52 pm

    Terrific post but I was wondering if you could write a litte more on this topic? I’d be very grateful if you could elaborate a little bit more. Appreciate it!

  • November 11, 2023 at 2:05 am

    bookdecorfactory.com is a Global Trusted Online Fake Books Decor Store. We sell high quality budget price fake books decoration, Faux Books Decor. We offer FREE shipping across US, UK, AUS, NZ, Russia, Europe, Asia and deliver 100+ countries. Our delivery takes around 12 to 20 Days. We started our online business journey in Sydney, Australia and have been selling all sorts of home decor and art styles since 2008.

  • November 11, 2023 at 2:22 am

    Do you mind if I quote a few of your posts as long as I provide credit and sources back to your weblog? My website is in the exact same niche as yours and my visitors would definitely benefit from some of the information you provide here. Please let me know if this okay with you. Thank you!

  • November 11, 2023 at 3:35 am

    It is the best time to make some plans for the future and it’s time to be happy. I have read this post and if I could I want to suggest you few interesting things or tips. Perhaps you can write next articles referring to this article. I wish to read more things about it!

  • November 12, 2023 at 1:31 pm

    What an insightful and meticulously-researched article! The author’s thoroughness and aptitude to present intricate ideas in a digestible manner is truly admirable. I’m totally enthralled by the scope of knowledge showcased in this piece. Thank you, author, for providing your expertise with us. This article has been a true revelation!

  • November 14, 2023 at 7:43 am

    Another thing I have noticed is that often for many people, below-average credit is the response to circumstances beyond their control. Such as they may have already been saddled through an illness so they really have higher bills for collections. It would be due to a occupation loss and the inability to do the job. Sometimes divorce or separation can send the finances in an opposite direction. Thanks for sharing your ideas on this web site.

  • November 15, 2023 at 2:22 pm

    I have learned a few important things as a result of your post. I might also like to mention that there can be situation where you will get a loan and do not need a co-signer such as a Federal government Student Support Loan. In case you are getting a loan through a common loan provider then you need to be able to have a co-signer ready to enable you to. The lenders will base their decision on the few factors but the biggest will be your credit history. There are some loan providers that will additionally look at your job history and make a decision based on this but in many cases it will depend on your rating.

  • November 18, 2023 at 5:53 pm

    I was wondering if you ever considered changing the structure of your site? Its very well written; I love what youve got to say. But maybe you could a little more in the way of content so people could connect with it better. Youve got an awful lot of text for only having one or two images. Maybe you could space it out better?

  • November 19, 2023 at 12:01 am

    Very great post. I simply stumbled upon your blog and wished to say that I’ve really loved browsing your blog posts. In any case I?ll be subscribing in your feed and I’m hoping you write again soon!

  • November 20, 2023 at 12:21 am

    Thank you for another informative site. Where else could I get that type of information written in such a perfect way? I’ve a project that I am just now working on, and I have been on the look out for such information.

  • November 20, 2023 at 11:01 pm

    With havin so much written content do you ever run into any problems of plagorism or copyright violation? My blog has a lot of completely unique content I’ve either created myself or outsourced but it appears a lot of it is popping it up all over the internet without my authorization. Do you know any ways to help protect against content from being ripped off? I’d definitely appreciate it.

  • November 22, 2023 at 6:15 am

    Hi there! I know this is kinda off topic however , I’d figured I’d ask. Would you be interested in exchanging links or maybe guest writing a blog article or vice-versa? My website discusses a lot of the same topics as yours and I think we could greatly benefit from each other. If you happen to be interested feel free to shoot me an e-mail. I look forward to hearing from you! Wonderful blog by the way!

  • November 22, 2023 at 3:59 pm

    Thanks for the strategies you are sharing on this weblog. Another thing I’d really like to say is that getting hold of duplicates of your credit file in order to scrutinize accuracy of any detail is one first action you have to carry out in credit score improvement. You are looking to freshen your credit profile from damaging details errors that ruin your credit score.

  • November 23, 2023 at 9:05 pm

    Things i have seen in terms of laptop memory is that often there are requirements such as SDRAM, DDR etc, that must match up the requirements of the motherboard. If the pc’s motherboard is rather current while there are no os issues, replacing the memory literally requires under 1 hour. It’s on the list of easiest computer upgrade methods one can think about. Thanks for giving your ideas.

  • November 26, 2023 at 2:41 am

    I appreciate your wordpress design, where would you down load it from?

  • November 26, 2023 at 6:11 am

    Do you mind if I quote a couple of your posts as long as I provide credit and sources back to your weblog? My blog site is in the very same area of interest as yours and my visitors would certainly benefit from a lot of the information you present here. Please let me know if this alright with you. Thanks a lot!

  • November 26, 2023 at 10:25 am

    My partner and I stumbled over here by a different page and thought I might as well check things out. I like what I see so i am just following you. Look forward to looking at your web page yet again.

  • November 27, 2023 at 6:48 am

    Wow, marvelous blog layout! How long have you been blogging for? you make blogging look easy. The overall look of your site is magnificent, let alone the content!

  • November 28, 2023 at 4:45 am

    I’ve been surfing online more than 3 hours today, yet I never found any interesting article like yours. It?s pretty worth enough for me. Personally, if all webmasters and bloggers made good content as you did, the web will be a lot more useful than ever before.

  • November 29, 2023 at 10:25 pm

    I have been exploring for a little for any high quality articles or blog posts on this kind of area . Exploring in Yahoo I at last stumbled upon this site. Reading this info So i am happy to convey that I have a very good uncanny feeling I discovered just what I needed. I most certainly will make certain to don?t forget this website and give it a look regularly.

  • December 1, 2023 at 12:31 pm

    Hey there! I’m at work browsing your blog from my new apple iphone! Just wanted to say I love reading your blog and look forward to all your posts! Carry on the outstanding work!

  • December 1, 2023 at 9:11 pm

    you could have an amazing blog right here! would you prefer to make some invite posts on my blog?

  • December 2, 2023 at 8:09 am

    Good day! This is my 1st comment here so I just wanted to give a quick shout out and say I truly enjoy reading your posts. Can you recommend any other blogs/websites/forums that go over the same subjects? Thanks a lot!

  • December 3, 2023 at 4:49 am

    Thank you for some other informative blog. Where else may I am getting that type of information written in such a perfect way? I have a venture that I am simply now working on, and I have been on the glance out for such information.

  • December 3, 2023 at 5:17 am

    I?ve read several good stuff here. Certainly worth bookmarking for revisiting. I wonder how much effort you put to create such a fantastic informative web site.

  • December 3, 2023 at 10:45 am

    My partner and I absolutely love your blog and find the majority of your post’s to be exactly what I’m looking for. Does one offer guest writers to write content for you personally? I wouldn’t mind creating a post or elaborating on many of the subjects you write concerning here. Again, awesome site!

  • December 6, 2023 at 2:34 pm

    Does your site have a contact page? I’m having problems locating it but, I’d like to send you an e-mail. I’ve got some recommendations for your blog you might be interested in hearing. Either way, great website and I look forward to seeing it expand over time.

Leave a Reply

Your email address will not be published. Required fields are marked *

%d bloggers like this: