Zoology CSS Paper I 2006

NOTE: (i) Attempt ONLY FIVE questions in all, including QUESTION NO.7, which is COMPULSORY. All questions carry EQUAL marks.
(ii) Extra attempt of any question or any part of the attempted question will not be considered.
(iii) Candidate must draw two straight lines ( ============= ) at the end to separate each
question attempted in Answer Books.


Q.1 (a) Discuss PROTOZOA as UNICELLULAR and ACELLULAR organisms. (7)
(b) Define POLYMORPHISM and discuss it with reference to CEOLENTRATES.(6)
(c) “ANNELIDS have said to have true METAMERIC SEGMENTATION.”(7)

Q.2. (a) “PORIFERA exhibits a Tissue level of organization”.Discuss.(6)
(b) “ECHINODERMS have a close evolutionary relationship with CHORDATES”.(6)
Comment the statement.
(c) Discuss insects as the most successful group.(8)

Q.3. Write short notes on the following:- (5 each)


Q.4. (a) “HEMICHORDATES have a mixture of CHORDATE and NON-CHORDATE characters.”Explain.(10)
(b) “ALL the CHORDATES character are present in Ascidea in larval stage”.Discuss.(10)

Q.5. (a) Write an essay on biting mechanism of snakes.(8)
(b) Discuss the different adaptation to flight with reference to birds.(12).

Q.6. (a) Describe placentation in mammals.(9)
(b) Write a short essay on different types of scales found in fishes(11).


Q.7. Write only the correct answer in the answer book. Do not reproduce the question.
(1) Contractile vacuole in protozoa is basically responsible for
(a) Excretion (b) osmoregulation (c) Feeding (d) All of these.

(2) Pneumatocysts are typically present in
(a) Porifera (b) Annelida (c) Coelenterata (d) Protozoa

(3) Pinococysts are present in
(a) Echinodermata (b) Arthropoda (c) Porifera (d) None of these.

(4) Nerve cord is dorsally located in
(a) Annelids (b) Mollusca (c) Arthropodes (d) None of these

(5) Open circulatory system is present in
(a) Annelids (b) Insects (c) Reptiles (d)Mammals

(6) Sponges are present in
(a) Marine (b) Freshwater (c) Moist places (d)Both (a) and (b)

(7) Telson is present in
(a) Annelids (b) Arthropoda (c) Mollusc (d)Chordates

(8) Entamoeba histolytica is a member of class
(a) Scyphozoa (b) Polychaeta (c) Mastigophora (d) None of these

(9) A house fly has legs
(a) 8 (b) 10 (c) 6 (d) 4

(10) Wasps bite using
(a) Mouth (b) Proboscis (c) Genital claspers (d) None of these

(11) Number of cranial nerves in fish
(a) 10 (b) 12 (c) 8 (d) None of these

(12) Frog has ribes
(a) 6 (b) 12 (c) 4 (d) None of these

(13) Scales in reptiles are
(a) Ectodermal (b) mesodermal (c) Both a & b (d) Endodermal

(14) Gill slits in Amphioxus are present
(a) Mouth (b) Neck (c) Pharynx (d) Head

(15) Giraffe has neck vertebrae
(a) 15 (b) 10 (c) 7 (d) None of these

(16) Duck billed platypus has on its body
(a) Feathers (b) Hairs (c) Scales (d) None of these

(17) Pulmonary vein in mammals carries blood
(a) Deoxygenated (b) oxygenated (c) Both a&b (d) None of these

(18) RBCs in amphibians are
(a) Nucleated (b) Without nucleus (c) Both a&b (d) None of these

(19) Python kills its prey by
(a) poison bitting (b) Constriction (c) Both a&b (d) None of these

(20) The location of mouth is ventral in
(a) Bony fish (b) permyzaon (c) Shark (d) None of these


96 thoughts on “Zoology CSS Paper I 2006

  • July 12, 2022 at 10:39 pm

    62026 530002When I initially commented I clicked the -Notify me when new comments are added- checkbox and now each time a remark is added I get four emails with the same comment. Is there any manner you possibly can take away me from that service? Thanks! 562961

  • October 27, 2022 at 3:02 am

    615164 45045You should join in a tournament very first with the greatest blogs on the internet. I will recommend this internet site! 847422

  • June 28, 2023 at 2:39 am

    Thanks for ones marvelous posting! I genuinely enjoyed reading it, you may be a great author.I will always bookmark your blog and definitely will come back in the future. I want to encourage yourself to continue your great posts, have a nice afternoon!

  • July 6, 2023 at 1:11 am

    Hi, i think that i saw you visited my website so i came to return the favor.I am trying to find things to improve my site!I suppose its ok to use some of your ideas!!

  • July 9, 2023 at 5:41 am

    Hi there, for all time i used to check weblog posts here early in the dawn, because i like to gain knowledge of more and more.

  • July 13, 2023 at 3:04 am

    Appreciation to my father who shared with me about this blog, this blog is really remarkable.

  • July 14, 2023 at 3:55 pm

    I feel this is one of the so much significant information for me. And i’m glad reading your article. However wanna statement on few common things, The website taste is great, the articles is in point of fact excellent : D. Good activity, cheers

  • July 15, 2023 at 11:30 pm

    No matter if some one searches for his required thing, thus he/she needs to be available that in detail, so that thing is maintained over here.

  • July 17, 2023 at 1:22 pm

    Hello there, simply turned into aware of your blog through Google, and found that it is really informative. I’m gonna watch out for brussels. I will appreciate in the event you continue this in future. Lots of other folks shall be benefited from your writing. Cheers!

  • July 20, 2023 at 5:03 pm

    Hi, Neat post. There is a problem with your site in internet explorer, may check this? IE still is the marketplace leader and a big part of other people will leave out your magnificent writing due to this problem.

  • July 21, 2023 at 10:37 am

    I’m impressed, I must say. Rarely do I encounter a blog that’s both educative and interesting, and let me tell you, you have hit the nail on the head. The issue is something that not enough folks are speaking intelligently about. I’m very happy that I found this in my search for something concerning this.

  • July 22, 2023 at 9:44 am

    It’s really a cool and helpful piece of information. I’m glad that you simply shared this helpful info with us. Please stay us informed like this. Thank you for sharing.

  • July 22, 2023 at 6:21 pm

    Howdy! This is my first visit to your blog! We are a group of volunteers and starting a new initiative in a community in the same niche. Your blog provided us valuable information to work on. You have done a extraordinary job!

  • July 24, 2023 at 12:26 am

    919330 899396Interesting post. Ill be sticking around to hear significantly much more from you guys. Thanks! 335249

  • July 25, 2023 at 8:32 am

    I do accept as true with all the ideas you have presented in your post. They are very convincing and will definitely work. Still, the posts are too quick for newbies. May just you please extend them a bit from next time? Thank you for the post.

  • July 26, 2023 at 8:02 am

    If you desire to increase your knowledge simply keep visiting this website and be updated with the newest information posted here.

  • July 29, 2023 at 7:42 am

    Good day! Do you know if they make any plugins to help with SEO? I’m trying to get my blog to rank for some targeted keywords but I’m not seeing very good gains. If you know of any please share. Appreciate it!

  • August 1, 2023 at 12:57 pm

    What’s up mates, its wonderful article regarding teachingand fully explained, keep it up all the time.

  • August 3, 2023 at 9:15 am

    It’s in point of fact a nice and helpful piece of information. I’m glad that you simply shared this helpful info with us. Please stay us informed like this. Thanks for sharing.

  • August 4, 2023 at 8:11 pm

    Appreciation to my father who told me about this webpage, this blog is actually remarkable.

  • August 5, 2023 at 8:03 am

    Fantastic goods from you, man. I’ve understand your stuff prior to and you’re simply too fantastic. I really like what you’ve obtained here, really like what you’re stating and the best way during 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.

  • August 7, 2023 at 2:58 pm

    I know this if off topic but I’m looking into starting my own blog and was wondering what all is required to get set up? I’m assuming having a blog like yours would cost a pretty penny? I’m not very internet savvy so I’m not 100% positive. Any tips or advice would be greatly appreciated. Thank you

  • August 7, 2023 at 5:42 pm

    WOW just what I was searching for. Came here by searching for %keyword%

  • August 10, 2023 at 1:34 pm

    Hi, its good article regarding media print, we all know media is a wonderful source of information.

  • August 11, 2023 at 12:13 am

    Excellent post. I certainly love this website. Continue the good work!

  • August 12, 2023 at 2:49 am

    Howdy! 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 subjects as yours and I believe we could greatly benefit from each other. If you happen to be interested feel free to send me an e-mail. I look forward to hearing from you! Excellent blog by the way!

  • August 12, 2023 at 7:50 pm

    Valuable information. Fortunate me I discovered your site
    accidentally, and I am shocked why this accident
    did not took place earlier! I bookmarked it.

  • August 14, 2023 at 1:30 pm

    Wonderful blog you have here but I was wanting to know if you
    knew of any forums that cover the same topics discussed here?
    I’d really love to be a part of online community where I can get suggestions from other experienced people
    that share the same interest. If you have any suggestions, please let
    me know. Thanks!

  • August 17, 2023 at 11:25 am

    Greetings! This is my 1st comment here so I just wanted to give a quick shout out and tell you I truly enjoy reading through your articles. Can you suggest any other blogs/websites/forums that deal with the same subjects? Thank you so much!

  • August 21, 2023 at 6:09 pm

    Simply wish to say your article is as astonishing. The clearness on your publish is simply cool and i can assume you are knowledgeable in this subject. Well with your permission allow me to take hold of your RSS feed to stay up to date with coming near near post. Thank you a million and please keep up the gratifying work.

  • August 22, 2023 at 1:34 pm

    Normally I do not read post on blogs, but I would like to say that this write-up very forced me to try and do it! Your writing style has been amazed me. Thanks, quite nice post.

  • August 22, 2023 at 8:35 pm

    It?s exhausting to search out educated individuals on this topic, but you sound like you already know what you?re talking about! Thanks

  • August 24, 2023 at 2:49 am

    Thanks for enabling me to obtain new suggestions about personal computers. I also possess the belief that one of the best ways to keep your laptop computer in perfect condition has been a hard plastic case, or maybe shell, which fits over the top of one’s computer. These kind of protective gear are generally model precise since they are made to fit perfectly above the natural outer shell. You can buy all of them directly from the owner, or from third party places if they are designed for your notebook, however don’t assume all laptop will have a shell on the market. Once more, thanks for your recommendations.

  • August 24, 2023 at 11:06 pm

    Hi there! This post couldn’t be written any better! Reading this post reminds me of my old room mate! He always kept talking about this. I will forward this article to him. Fairly certain he will have a good read. Thank you for sharing!

  • August 25, 2023 at 12:36 am

    great issues altogether, you just gained a emblem new reader. What could you suggest in regards to your publish that you simply made a few days ago? Any positive?

  • August 26, 2023 at 12:25 pm

    It’s wonderful that you are getting ideas from this post as well as from our argument made here.

  • August 26, 2023 at 12:48 pm

    Excellent post but I was wanting to know if you could write a litte more on this subject? I’d be very grateful if you could elaborate a little bit more. Cheers!

  • August 27, 2023 at 3:05 pm

    It?s really a great and helpful piece of information. I am glad that you shared this useful info with us. Please keep us up to date like this. Thank you for sharing.

  • August 27, 2023 at 8:59 pm

    I appreciate, cause I found just what I was taking a look for. You have ended my four day lengthy hunt! God Bless you man. Have a great day. Bye

  • August 27, 2023 at 9:14 pm

    What I have usually told individuals is that when searching for a good on the net electronics retail outlet, there are a few factors that you have to take into consideration. First and foremost, you would like to make sure to find a reputable plus reliable retail store that has gotten great assessments and classification from other customers and business sector analysts. This will ensure you are getting along with a well-known store that provides good support and aid to the patrons. Many thanks for sharing your opinions on this blog.

  • August 28, 2023 at 3:21 am

    I was wondering if you ever considered changing the page layout of your blog? 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 2 images. Maybe you could space it out better?

  • August 29, 2023 at 6:20 am

    Excellent items from you, man. I’ve understand your stuff previous to and you are just too wonderful. I really like what you’ve bought right here, really like what you are stating and the best way wherein you are saying it. You are making it entertaining and you continue to care for to keep it smart. I can not wait to read much more from you. That is actually a terrific web site.

  • August 29, 2023 at 10:27 am

    I’m not sure why but this site is loading incredibly slow for me. Is anyone else having this issue or is it a problem on my end? I’ll check back later and see if the problem still exists.

  • September 1, 2023 at 2:44 am

    I?d must verify with you here. Which is not something I often do! I enjoy reading a post that can make folks think. Also, thanks for allowing me to remark!

  • September 1, 2023 at 3:33 pm

    I?ve been exploring for a bit for any high-quality articles or blog posts on this sort of area . Exploring in Yahoo I at last stumbled upon this website. Reading this info So i am happy to convey that I’ve a very good uncanny feeling I discovered exactly what I needed. I most certainly will make sure to don?t forget this website and give it a look on a constant basis.

  • September 1, 2023 at 11:56 pm

    Good day! Do you know if they make any plugins to protect against hackers? I’m kinda paranoid about losing everything I’ve worked hard on. Any tips?

  • September 2, 2023 at 1:30 pm

    Hey I am so grateful I found your site, I really found you by mistake, while I was browsing on Bing for something else, Regardless I am here now and would just like to say many thanks for a incredible post and a all round enjoyable blog (I also love the theme/design), I dont have time to read through it all at the minute but I have book-marked it and also added in your RSS feeds, so when I have time I will be back to read a lot more, Please do keep up the fantastic jo.

  • September 3, 2023 at 2:54 pm

    In accordance with my research, after a in foreclosure home is bought at an auction, it is common to the borrower to still have any remaining balance on the personal loan. There are many financial institutions who seek to have all service fees and liens repaid by the future buyer. Even so, depending on a number of programs, restrictions, and state laws and regulations there may be several loans which are not easily settled through the transfer of personal loans. Therefore, the duty still remains on the consumer that has received his or her property in foreclosure. Thanks for sharing your ideas on this web site.

  • September 4, 2023 at 4:07 am

    Good blog! I truly love how it is easy on my eyes and the data are well written. I’m wondering how I could be notified whenever a new post has been made. I’ve subscribed to your feed which must do the trick! Have a great day!

  • September 4, 2023 at 7:54 pm

    Woah! I’m really enjoying the template/theme of this website. It’s simple, yet effective. A lot of times it’s very difficult to get that “perfect balance” between user friendliness and visual appeal. I must say you’ve done a excellent job with this. Additionally, the blog loads extremely quick for me on Internet explorer. Excellent Blog!

  • September 5, 2023 at 5:40 pm

    The next time I read a blog, I hope that it doesnt disappoint me as much as this one. I imply, I do know it was my choice to read, however I actually thought youd have one thing attention-grabbing to say. All I hear is a bunch of whining about one thing that you could repair in case you werent too busy in search of attention.

  • September 5, 2023 at 11:27 pm

    of course like your web-site but you need to check the spelling on several of your posts. Several of them are rife with spelling problems and I find it very troublesome to tell the truth nevertheless I will surely come back again.

  • September 7, 2023 at 10:21 am

    Hi, I wish for to subscribe for this webpage to get most recent updates, so where can i do it please help.

  • September 7, 2023 at 11:27 am

    WOW just what I was searching for. Came here by searching for %keyword%

  • September 9, 2023 at 7:28 pm

    Cool 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 stand out. Please let me know where you got your theme. With thanks

  • September 12, 2023 at 1:03 pm

    Hi there, You have performed an excellent job. I?ll certainly digg it and in my view recommend to my friends. I am confident they will be benefited from this site.

  • September 14, 2023 at 4:27 pm

    Please let me know if you’re looking for a author for your site. You have some really great posts and I think I would be a good asset. If you ever want to take some of the load off, I’d absolutely love to write some material for your blog in exchange for a link back to mine. Please blast me an e-mail if interested. Many thanks!

  • September 17, 2023 at 9:16 am

    Pretty nice post. I just stumbled upon your blog and wanted to say that I have really enjoyed browsing your blog posts. In any case I’ll be subscribing to your feed and I hope you write again soon!

  • September 18, 2023 at 9:25 pm

    you are really a good webmaster. The web site loading speed is incredible. It seems that you are doing any unique trick. Moreover, The contents are masterpiece. you’ve done a great job on this topic!

  • September 20, 2023 at 6:59 am

    This design is steller! You most certainly know how to keep a reader amused. Between your wit and your videos, I was almost moved to start my own blog (well, almost…HaHa!) Excellent job. I really loved what you had to say, and more than that, how you presented it. Too cool!

  • September 21, 2023 at 5:39 am

    There is definately a lot to know about this subject. I love all the points you made.

  • September 22, 2023 at 6:24 am

    Thanks for the several tips shared on this web site. I have seen that many insurance agencies offer buyers generous deals if they decide to insure a few cars with them. A significant quantity of households include several automobiles these days, particularly people with older teenage young children still living at home, as well as the savings on policies can soon increase. So it is good to look for a bargain.

  • September 22, 2023 at 6:52 am

    You could definitely see your expertise within the work you write. The arena hopes for even more passionate writers like you who aren’t afraid to mention how they believe. All the time follow your heart.

  • September 22, 2023 at 9:07 pm

    In a world where trustworthy information is more crucial than ever, your dedication to research and the provision of reliable content is truly commendable. Your commitment to accuracy and transparency shines through in every post. Thank you for being a beacon of reliability in the online realm.

  • September 23, 2023 at 6:33 am

    Just desire to say your article is as surprising. The clarity in your submit is simply nice and that i could assume you’re a professional in this subject. Well with your permission allow me to take hold of your feed to stay up to date with forthcoming post. Thanks a million and please carry on the rewarding work.

  • September 24, 2023 at 11:44 pm

    This article resonated with me on a personal level. Your ability to emotionally connect with your audience is truly commendable. Your words are not only informative but also heartwarming. Thank you for sharing your insights.

Leave a Reply

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

%d bloggers like this: