Which one of the following animals is correctly matched with its one characteristic and the taxon?
| Animal | Characteristic | Taxon | |
| 1. | Millipede | Ventral nerve cord | Arachnids |
| 2. | Sea Anemone | Triploblastic | Cnidaria |
| 3. | Silverfish | Pectoral and pelvic fins | Chordata |
| 4. | Duckbilled platypus | Oviparous | Mammalian |
Subtopic: Phylum Chordata |
73%
Level 2: 60%+
NEET - 2013
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Which one of the following is not correct as regards the harmful effects of particulate matter of the size 2.5 micrometers or less?
1. It can cause respiratory problems
2. It can directly enter into our circulatory system
3. It can cause inflammation and damage to the lungs
4. It can be inhaled into the lungs
1. It can cause respiratory problems
2. It can directly enter into our circulatory system
3. It can cause inflammation and damage to the lungs
4. It can be inhaled into the lungs
Subtopic: Air Pollution |
61%
Level 2: 60%+
NEET - 2013
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Which of the following has maximum genetic diversity in India?
| 1. | Mango | 2. | Wheat |
| 3. | Groundnut | 4. | Rice |
Subtopic: Magnitude of Biodiversity | Biodiversity Patterns |
86%
Level 1: 80%+
NEET - 2013
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Which one is the incorrect statement with regards to the importance of pedigree analysis?
| 1. | It confirms that DNA is the carrier of genetic information |
| 2. | It helps to understand whether the trait in question is dominant or recessive |
| 3. | It confirms that the trait is linked to one of the autosomes |
| 4. | It helps to trace the inheritance of a specific trait |
Subtopic: Pedigree Analysis: Basics |
53%
Level 3: 35%-60%
NEET - 2013
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Specialized cells for fixing atmospheric nitrogen in Nostoc are:
| 1. | Heterocysts | 2. | Hormogonia |
| 3. | Nodules | 4. | Akinetes |
Subtopic: Kingdom Monera: Bacterial Classification |
96%
Level 1: 80%+
NEET - 2013
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One of the following is not a method of contraception- which one?
1. condoms
2. pills of a combination of oxytocin and vasopressin
3. Lippes loop
4. tubectomy
1. condoms
2. pills of a combination of oxytocin and vasopressin
3. Lippes loop
4. tubectomy
Subtopic: Contraception: Barrier Methods & IUDs | Hormonal Contraceptives, Emergency Contraception & Terminal Methods |
81%
Level 1: 80%+
NEET - 2013
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A stage of mitosis is shown in the diagram. Which stage is it and what are its characteristics?
| 1. | Metaphase-spindle fibers attached to kinetochores, centromeres split and chromatids separate |
| 2. | Metaphase- chromosomes moved to spindle equator, chromosomes made up of two sister chromatids |
| 3. | Anaphase - centromeres split and chromatids separate and start moving away |
| 4. | Late prophase - chromosomes move to spindle equator |
Subtopic: Cell Division: Mitosis (Karyokinesis) |
78%
Level 2: 60%+
NEET - 2013
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In a cymose inflorescence, the main axis:
| 1. | has unlimited growth |
| 2. | bears a solitary flower |
| 3. | has unlimited growth but lateral branches end in flowers |
| 4. | terminates in a flower |
Subtopic: Inflorescence |
77%
Level 2: 60%+
NEET - 2013
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Sharks and dogfishes differ from skates and rays by:
| 1. | Gill slits are ventrally placed |
| 2. | Head and trunk are widened considerably |
| 3. | Distinct demarcation between body and tail |
| 4. | Their pectorals fins are distinctly marked off from cylindrical bodies |
Subtopic: Comparative study of Cartilagenous & Bony Fishes | Class Chondrichthyes |
55%
Level 3: 35%-60%
NEET - 2013
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The term 'glycocalyx' is used for:
| 1. | a layer present between cell wall and membrane of bacteria |
| 2. | cell wall of bacteria |
| 3. | bacterial cell glyco-engineered to possess N-glycosylated proteins |
| 4. | a layer surrounding the cell wall of bacteria |
Subtopic: Prokaryotic Cell Organisation | Details of Prokaryotic Cell Structure |
76%
Level 2: 60%+
NEET - 2013
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