Figure shows blood circulation in humans with labels A to D. Select the option which gives correct identification of label and functions of the part:
| 1. | B - Capillary - thin without muscle layers and wall two-cell layer thick |
| 2. | C - Vein - thin-walled and blood flows in jerks/spurts |
| 3. | D - Pulmonary vein - takes oxygenated blood to heart PO2=95 mm Hg |
| 4. | A - Artery- thick-walled and blood flows evenly |
Subtopic: Human Heart: Double Circulation |
70%
Level 2: 60%+
NEET - 2013
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Which enzymes are likely to act on the baked potatoes eaten by a man, starting from the mouth and as it moves down the alimentary canal?
| 1. | Pancreatic amylase → salivary amylase → lipases |
| 2. | Disaccharidase like maltase → lipases → nucleases |
| 3. | Salivary amylase → pancreatic amylase → disaccharidases |
| 4. | Salivary maltase → carboxy peptidase → trypsinogen |
Subtopic: Digestive Secretions: Saliva | Gastric Secretions | Bile | Pancreatic Secretions |
77%
Level 2: 60%+
NEET - 2013
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The largest tiger reserve in India is:
| 1. | Valmiki | 2. | Nagarjunsagar - Srisailam |
| 3. | Periyar | 4. | Nagarhole |
Subtopic: In Situ Conservation of Biodiversity |
59%
Level 3: 35%-60%
NEET - 2013
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The characteristics of class Reptilia are:
| 1. | Body covered with moist skin which is devoid of scales, the ear is represented by a tympanum, alimentary canal, urinary and reproductive tracts open into a common cloaca |
| 2. | Freshwater animals with a bony endoskeleton and air bladder to regulate buoyancy |
| 3. | Marine animals with cartilaginous endoskeletons, bodies covered with placoid scales |
| 4. | Body covered with dry and cornified skin, scales over the body are epidermal, they do not have external ears |
Subtopic: Study of Reptilia |
72%
Level 2: 60%+
NEET - 2013
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Among flowers of Calotropis, tulip, Sesbania, Asparagus, Colchicine, Sweet pea, Petunia, Indigofera, Mustard, Soybean, Tobacco and groundnut how many plants have corolla with valvate aestivation?
| 1. | Six | 2. | Seven |
| 3. | Eight | 4. | Five |
Subtopic: Flower & Parts of Flower |
Level 3: 35%-60%
NEET - 2013
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During muscle contraction in humans the:
| 1. | Sarcomere does not shorten | 2. | A band remains the same |
| 3. | A, H and I bands shorten | 4. | Actin filaments shorten |
Subtopic: Sliding Filament Theory |
85%
Level 1: 80%+
NEET - 2013
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Which one of the following statements is correct regarding Sexually Transmitted Diseases (STD)?
| 1. | A person may contact syphilis by sharing milk with one already suffering from the disease |
| 2. | Haemophilia is one of the STD |
| 3. | Genital herpes and sickle-cell, anemia are both STD |
| 4. | The chances of a 5-year boy contacting a STD are very little |
Subtopic: Sexually Transmitted Infections |
63%
Level 2: 60%+
NEET - 2013
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During meiosis I, the chromosomes start pairing at:
| 1. | Zygotene | 2. | Pachytene |
| 3. | Diplotene | 4. | Leptotene |
Subtopic: Cell Cycle: Meiosis I |
75%
Level 2: 60%+
NEET - 2013
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Identify the tissue shown in the diagram and match with its characteristics and its location:
| 1. | Smooth muscles, show branching, found in the walls of the heart |
| 2. | Cardiac muscles, unbranched muscles, found in the walls of the heart |
| 3. | Striated muscles, tapering at both ends attached to the bones of the ribs |
| 4. | Skeletal muscle, shows striations and is closely attached to the bones of the limbs |
Subtopic: Animal Tissue: Muscle Types & Skeletal Muscles |
73%
Level 2: 60%+
NEET - 2013
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One of the most frequently used techniques in DNA fingerprinting is:
1. VNTR
2. SSCP
3. SCAR
4. AFLP
1. VNTR
2. SSCP
3. SCAR
4. AFLP
Subtopic: DNA Fingerprinting |
94%
Level 1: 80%+
NEET - 2013
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