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Recent questions tagged ch4
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Phylum Hemichordata : 1. Circulatory system is of closed type. 2. Respiration takes place through gills. 3. Excretory organ is proboscis gland. Regarding 1,2 and 3:
aipmt
ch4
difficult
class11
biology
asked
Jan 6, 2014
by
pady_1
1
answer
1. Hemichordata was considered as a sub-phylum under phylum Chordata earlier. 2. Now it is placed as a separate phylum under non-chordata. 3. This phylum consists of a small group of worm-like marine animals. Regarding 1,2 and 3 :
aipmt
ch4
easy
class11
biology
asked
Jan 6, 2014
by
pady_1
1
answer
Phylum Echinodermata : 1. Digestive system is complete 2. They have mouth on the upper (dorsal) side 3. Anus is on the lower (ventral) side. Regarding 1,2 and 3:
aipmt
ch4
difficult
class11
biology
asked
Jan 6, 2014
by
pady_1
1
answer
In Mollusca : 1. The posterior head region has sensory tentacles. 2. The mouth contains a file-like rasping organ for feeding 3. The file-like rasping organ for feeding is called morula Regarding 1,2 and 3:
aipmt
ch4
difficult
class11
biology
asked
Jan 6, 2014
by
pady_1
1
answer
In Mollusca : 1. A soft and spongy layer of skin forms a mantle over the calcarious hump. 2. The space between the hump and the mantle is called the mantle cavity 3. In mantle cavityfeather like gills are present. Regarding 1,2 and 3:
aipmt
ch4
difficult
class11
biology
asked
Jan 6, 2014
by
pady_1
1
answer
Regarding Molluscs : 1. Body is covered by a calcareous shell 2. Body is unsegmented 3. They have a distinct head, muscular foot and visceral hump Regarding 1,2 and 3:
aipmt
ch4
medium
class11
biology
asked
Jan 6, 2014
by
pady_1
1
answer
Regarding Arthropoda : 1. They are mostly ovoviviparous. 2. Development is direct. 3. Development is indirect. Regarding 1,2 and 3:
aipmt
ch4
difficult
class11
biology
asked
Jan 6, 2014
by
pady_1
1
answer
Regarding Arthropoda : 1. It is the second largest phylum of Animalia 2. It includes insects. 3. Over one-thirds of all named species on earth are arthropods Regarding 1,2 and 3:
aipmt
ch4
medium
class11
biology
asked
Jan 6, 2014
by
pady_1
1
answer
In Annelida : 1. Members of phylum Annelida are dioecious. 2. Members of phylum Annelida are monoecious 3. Reproduction is sexual. Regarding 1,2 and 3:
aipmt
ch4
difficult
class11
biology
asked
Jan 6, 2014
by
pady_1
1
answer
In Annelida : 1. A closed circulatory system is present. 2. Neural system consists of paired ganglia 3. Paired ganglia connected by lateral nerves to a single ventral nerve cord. Regarding 1,2 and 3:
aipmt
ch4
difficult
class11
biology
asked
Jan 6, 2014
by
pady_1
1
answer
Regarding Aschelminthes: 1. Fertilisation is internal 2. Development is direct. 3. Development is indirect. Regarding 1,2 and 3:
aipmt
ch4
difficult
class11
biology
asked
Jan 6, 2014
by
pady_1
1
answer
Regarding Aschelminthes: 1. Sexes are separate 2. They are monoecious. 3. Often females are longer than males. Regarding 1,2 and 3:
aipmt
ch4
medium
class11
biology
zoology
asked
Jan 6, 2014
by
pady_1
1
answer
Regarding Aschelminthes: 1. Alimentary canal is incomplete 2. They a well- developed muscular pharynx. 3. An excretory tube removes body wastes from the body cavity through the excretory pore. Regarding 1,2 and 3:
aipmt
ch4
easy
class11
biology
asked
Jan 6, 2014
by
pady_1
1
answer
Regarding Platyhelminthes : 1. Planaria possess high regeneration capacity. 2. Tapeworm is Taenia and it is an intestinal parasite. 3. Fasciola hepatica is Liver fluke Regarding 1,2 and 3:
aipmt
ch4
medium
class11
biology
zoology
asked
Jan 6, 2014
by
pady_1
1
answer
Regarding Platyhelminthes : 1. Sexes are separate. 2. Fertilisation is internal. 3. Development is through many larval stages Regarding 1,2 and 3:
aipmt
ch4
medium
class11
biology
asked
Jan 6, 2014
by
pady_1
1
answer
Regarding Platyhelminthes : 1. They are mostly endoparasites found in animals including human beings. 2. Hooks and suckers are present in the parasitic forms. 3. Some of them absorb nutrients from the host directly through their body surface. Regarding 1,2 and 3:
aipmt
ch4
medium
class11
biology
asked
Jan 6, 2014
by
pady_1
1
answer
In Ctenophores: 1. Sexes are separate. 2. Reproduction takes place only by sexual means. 3. Fertilisation is internal. 4. Development is direct Regarding 1,2,3 and 4:
aipmt
ch4
medium
class11
biology
asked
Jan 6, 2014
by
pady_1
1
answer
1. Cnidarians exhibit one of two basic body forms called polyp and medusa. 2. Some cnidarians which exist in both forms exhibit alternation of generation. 3. Alternation of generation is Metagenesis. 4. Polyps produce medusae sexually 5. Medusae form the polyps asexually Regarding 1,2,3,4 and 5:
aipmt
ch4
medium
class11
biology
asked
Jan 6, 2014
by
pady_1
1
answer
1. Cnidarians exhibit two basic body forms called polyp and medusa. 2. Polyp is a sessile and spherical form 3. Medusa is umbrella-shaped and free-swimming Regarding 1,2 and 3:
aipmt
ch4
medium
class11
biology
asked
Jan 6, 2014
by
pady_1
1
answer
1. Cnidarians have a central gastro-vascular cavity 2. They have a single opening, mouth or hypostome. 3. Digestion is extracellular 4. Digestion is intracellular. Regarding 1,2,3 and 4:
aipmt
ch4
difficult
class11
biology
asked
Jan 6, 2014
by
pady_1
1
answer
In Sponges : 1. Eggs and sperms are produced by different individual. 2. Fertilisation is external 3. Development is indirect having a larval stage which is morphologically similar to the adult. Regarding 1,2 and 3:
aipmt
ch4
difficult
class11
biology
asked
Jan 6, 2014
by
pady_1
1
answer
In Sponges : 1. Digestion is extracellular. 2. The body is supported by a skeleton made up of spicules or spongin fibres. 3. Sexes are separate Regarding 1,2 and 3:
aipmt
ch4
medium
class11
biology
asked
Jan 6, 2014
by
pady_1
1
answer
1. Sponges have a water transport or canal system. 2. Water enters through minute pores (osculum) in the body wall into a central cavity, spongocoel, from where it goes out through the ostia. 3. This pathway of water transport is helpful in food gathering, respiratory exchange and removal of waste. Regarding 1,2 and 3:
aipmt
ch4
medium
class11
biology
asked
Jan 6, 2014
by
pady_1
1
answer
1. Members of phylum - porifera are commonly known as sponges. 2. Sponges are generally marine and mostly symmetrical animals. 3. Sponges are primitive multicellular animals and have tissue level of organisation. Regarding 1,2 and 3:
aipmt
ch4
medium
class11
biology
asked
Jan 6, 2014
by
pady_1
1
answer
Segmentation: 1. In some animals the body is externally, but not internally divided into segments with a serial repetition. 2. The phenomenon is known as metamerism. 3. Earthworm shows this pattern called metameric segmentation. Regarding 1,2 and 3:
aipmt
ch4
medium
class11
biology
asked
Jan 6, 2014
by
pady_1
1
answer
1. Various contraceptive options are natural, traditional, barrier, IUDs, pills, injectables, implants and surgical methods. 2. Though contraceptives are not regular requirements for reproductive health, one is forced to use them to avoid pregnancy or to delay or space pregnancy. Regarding 1 and 2 :
aipmt
ch4
easy
class12
biology
asked
Jan 3, 2014
by
pady_1
1
answer
An overall improvement in reproductive health has taken place in our country as indicated by :
aipmt
ch4
medium
class12
biology
asked
Jan 3, 2014
by
pady_1
1
answer
Providing medical facilities and care to the problems like _______ is an important aspect of the Reproductive and Child Health Care programmes.
aipmt
ch4
medium
class12
biology
asked
Jan 3, 2014
by
pady_1
1
answer
Reproductive and Child Health Care programmes: Counselling and creating awareness among people about ______ is the primary step towards reproductive health.
aipmt
ch4
medium
class12
biology
asked
Jan 3, 2014
by
pady_1
1
answer
Inability to conceive or produce children even after ___ years of unprotected sexual cohabitation is called infertility
aipmt
ch4
medium
class12
biology
asked
Jan 3, 2014
by
pady_1
1
answer
Choose the incorrect expansion:
aipmt
ch4
medium
class12
biology
asked
Jan 3, 2014
by
pady_1
1
answer
Regarding ART (assisted reproductive technologies) : all these techniques
aipmt
ch4
easy
class12
biology
asked
Jan 3, 2014
by
pady_1
1
answer
Artificial insemination (AI) technique is used in :
aipmt
ch4
medium
class12
biology
asked
Jan 3, 2014
by
pady_1
1
answer
Intra cytoplasmic sperm injection (ICSI) is :
aipmt
ch4
difficult
class12
biology
zoology
asked
Jan 3, 2014
by
pady_1
1
answer
ART is :
aipmt
ch4
easy
class12
biology
asked
Jan 3, 2014
by
pady_1
1
answer
Infertility clinics help in
aipmt
ch4
easy
class12
biology
asked
Jan 3, 2014
by
pady_1
1
answer
The reasons for infertility could be –
aipmt
ch4
medium
class12
biology
asked
Jan 3, 2014
by
pady_1
1
answer
One could be free of sexually transmitted infections by following the simple principles given below all except: (i) . (ii) . (iii)
aipmt
ch4
medium
class12
biology
asked
Jan 3, 2014
by
pady_1
1
answer
Sexually transmitted infections, their incidences are reported to be very high among persons in the age group of
aipmt
ch4
medium
class12
biology
asked
Jan 3, 2014
by
pady_1
1
answer
STDs if left untreated could lead to complications like:
aipmt
ch4
medium
class12
biology
asked
Jan 3, 2014
by
pady_1
1
answer
Which of the following factors deter the STD infected persons from going for timely detection and proper treatment?
aipmt
ch4
easy
class12
biology
asked
Jan 3, 2014
by
pady_1
1
answer
STDs : 1. Infected females are symptomatic 2. Infected females may remain undetected for long. Regarding 1 and 2 :
aipmt
ch4
medium
class12
biology
asked
Jan 3, 2014
by
pady_1
1
answer
Early symptoms of most of STDs include : ,
aipmt
ch4
easy
class12
biology
asked
Jan 3, 2014
by
pady_1
1
answer
All of the following are untreatable STDs except :
aipmt
ch4
difficult
class12
biology
zoology
asked
Jan 3, 2014
by
pady_1
1
answer
All of the following are treatable STDs except :
aipmt
ch4
difficult
class12
biology
zoology
asked
Jan 3, 2014
by
pady_1
1
answer
All of the following are STDs except :
aipmt
ch4
medium
class12
biology
asked
Jan 3, 2014
by
pady_1
1
answer
Diseases or infections which are transmitted through sexual intercourse are collectively called:
aipmt
ch4
easy
class12
biology
asked
Jan 3, 2014
by
pady_1
1
answer
Regardin amniocentesis to determine the *** of the unborn child and subsequent MTP: chose the incorrect option:
aipmt
ch4
easy
class12
biology
asked
Jan 3, 2014
by
pady_1
1
answer
Medical termination of pregnancy (MTP) is needed for -
aipmt
ch4
medium
class12
biology
asked
Jan 3, 2014
by
pady_1
1
answer
1. Government of India legalised MTP in 1981 with some strict conditions to avoid its misuse. 2. Such restrictions are meant to check indiscriminate and illegal female foeticides. Regarding 1 and 2 :
aipmt
ch4
medium
class12
biology
asked
Jan 3, 2014
by
pady_1
1
answer
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