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1335 Views

What are the features of class cyclostomata ?

Pratyay Islam 1st Apr, 2020

Hello ,

Features of class cyclostomata :

  • The cyclostomes are jawless fishes.
  • They have suctorial tongue .
  • Endoskeleton is cartilaginous
  • Notochord is persistent throughout life
  • Elongated body bearing 6-15 pairs of gill slits for respiration
  • Heart is 2-chambered
  • Ectoparasites
  • External fertilization
  • Ammocoetes larvae may be seen
  • Example : Petromyzon and
42 Views

Proper 3 mark description of segmentation in animals ?

Pratyay Islam 1st Apr, 2020

Hello,

For 3 mark answers you can mention the following points given below :

  • It is also known as metameric segmentation or true segmentation. Here the body is divided into a number of segments where external divisions correspond to internal divisions.Eg Annelida, Arthropoda and chordata.
  • In pseudo metamerism or false
220 Views

Important points to remember on phylum Ctenophora ?

Pratyay Islam 1st Apr, 2020

Hello Student ,

Important Points to remember from phylum Ctenophora :

  • Biradially symmetrical
  • Diploblastic
  • Tissue level of organisation
  • Also known as Sea walnuts or comb jellies
  • Body has 8 external rows of ciliated comb plates which help in locomotion
  • Only Sexual reproduction is seen
  • Monoecious
  • Power of regeneration present
  • Bioluminescence
965 Views

Important features of class chondrichthyes ?

Pratyay Islam 1st Apr, 2020

Hello,

Features of class chrondrichthyes

  • These are found in Marine habitats
  • Cartilaginous fishes
  • Body is dorsoventrally flattened or laterally compressed
  • Pelvic fins have claspers in male
  • Have heterocercal tail fin
  • Endoskeleton is cartilaginous and dermal placoid scales present 'Swim bladder is absent
  • Cold blooded or poikilothermous
  • Oviparous or ovoviviparous
  • development
895 Views

In which phylum ambulacral system is found ?

Pratyay Islam 1st Apr, 2020

Hello,

Ambulacral system is just another name of water vascular system which is seen in phylum echinodermata . It is coelomic in origin. A perforated plate called madreporite is present. These pores allow water to enter.

Tube feet another feature of this system which helps in locomotio, capture of food

98 Views

BAMS private colleges lower fee list

Hrisheekesh Singh 1st Apr, 2020

Hi Pawan,

Here is the list of 6 private colleges in India offering BAMS course at fees INR 100,000 to 500,000 :-

  • YMT Ayurvedic Medical College and Hospital, Navi Mumbai - INR 245,000
  • Vidarbha Ayurved Mahavidyalaya, Amravati - INR 241,425
  • Om Ayurvedic Medical College and Research Center, Roorkee - INR
50 Views

when jee main exams 2020 will start

Hrisheekesh Singh 1st Apr, 2020

Hi Putchala,

JEE Main Exams are postponed due to COVID-19 epidemic and they will not be conducted in second week of April as usual.

Till now, this much is known from the National Testing Agency (NTA) that these exams will conducted in last week of May.

Refer to this article

206 Views

Important Points to remember from phylum porifera .

Pratyay Islam 1st Apr, 2020

Hello,

Important points to remember from phylum porifera :

  • Body Wall Has outer pinacoderm, inner choanoderm made up of choanocytes or collar cells and a gelatinous acellular mesenchyme between them.
  • They have Canal Sytem. It has minute pores on body wall called ostia through which water enters in central cavity-
65 Views

Is iit is good for mba and placement is good or not?

Sanju Singh 18th Oct, 2020

Business Schools are known to bridge the gap from being a normal individual to being a good professional. Every student aspires to get a degree from the best B-schools. And in India, there are also many colleges that can help in bridging the gap of transforming the students into professionals.

52 Views

how many marks i have to score in jee mains to take admission in nit jalandhar

Hrisheekesh Singh 11th May, 2020

Hi Piyush,

Here, you have ot mentioned your category, your home state and gender.

So, I am giving the cutoff ranks of 2019 for General category, home state and male gender to take admission in NIT Jalandhar, so you can get an idea of this year's cutoff:-

  • Bio Technology -
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