The terga,sterna and pleura of the cockroach body are joined by:
1. cementing glue
2. muscular tissue
3. arthrodial membrane
4. cartilage
Subtopic: Cockroach: Intro & External Morphology |
93%
Level 1: 80%+
NEET - 2015
Hints
The nuclear envelope is derivative of:
| 1. | smooth endoplasmic reticulum |
| 2. | membrane of Golgi complex |
| 3. | microtubules |
| 4. | rough endoplasmic reticulum |
Subtopic: Nucleus |
66%
Level 2: 60%+
NEET - 2015
Hints
Cytochromes are found in:
| 1. | matrix of mitochondria |
| 2. | outer wall of mitochondria |
| 3. | cristae of mitochondria |
| 4. | lysosomes |
Subtopic: Mitochondria |
57%
Level 3: 35%-60%
NEET - 2015
Hints
Which one of the following statements is incorrect?
| 1. | A competitive inhibitor reacts reversibly with the enzyme to form an enzyme inhibitor. |
| 2. | In competitive inhibition, the inhibitor molecule is not chemically changed by the enzyme. |
| 3. | The competitive inhibitor does not affect the rate of breakdown of the enzyme-substrate complex. |
| 4. | The presence of the competitive inhibitor decreases the km of the enzyme for the substrate. |
Subtopic: Enzyme Inhibition: Introduction | Enzyme Inhibition |
Level 3: 35%-60%
NEET - 2015
Hints
Match the following Column-I with Column-II.
| Column-I | Column-II | ||
| A. | Synapsis aligns homologous chromosomes |
(i) | Anaphase II |
| B. | Synthesis of RNA and protein | (ii) | Zygotene |
| C. | Action of enzyme recombinase | (iii) | G2 - phase |
| D. | Centromeres do not separate, but chromosomes move towards opposite poles | (iv) | Anaphase I |
| (v) | Pachytene |
| 1. | A-(ii), B-(i), C-(iii), D-(iv) | 2. | A-(ii), B-(iii), C-(v), D-(iv) |
| 3. | A-(i), B-(ii), C-(v), D-(iv) | 4. | A-(ii), B-(iii), C-(iv), D-(v) |
Subtopic: Cell Cycle: Meiosis I | Cell Cycle: Meiosis II |
86%
Level 1: 80%+
NEET - 2015
Hints
A somatic cell that has just completed the S-phase of its cell cycle, as compared to a gamete of the same species has:
| 1. | twice the number of chromosomes and twice the amount of DNA |
| 2. | the same number of chromosomes but twice the amount of DNA |
| 3. | twice the number of chromosomes and four times the amount of DNA |
| 4. | four times the number of chromosomes and twice the amount of DNA |
Subtopic: Cell Cycle: Meiosis I |
Level 3: 35%-60%
NEET - 2015
Hints
Which of the following statement is not correct?
| 1. | Brunner's glands are present in the submucosa of stomach and secrete pepsinogen |
| 2. | Goblet cells are present in the mucosa of the intestine and secrete mucus |
| 3. | Oxyntic cells are present in the mucosa of the stomach and secrete HCI |
| 4. | Acini are present in the pancreas and secrete carboxypeptidase |
Subtopic: Histology of Gut | Peristalsis: Gland in Alimentary Canal |
72%
Level 2: 60%+
NEET - 2015
Hints
The gastric juice of infants contains:
1. maltase, pepsinogen, rennin
2. nuclease, pepsinogen, lipase
3. pepsinogen, lipase, rennin
4. amylase, rennin, pepsinogen
2. nuclease, pepsinogen, lipase
3. pepsinogen, lipase, rennin
4. amylase, rennin, pepsinogen
Subtopic: Gastric Secretions |
68%
Level 2: 60%+
NEET - 2015
Hints
When you hold your breath, which of the following gas changes in blood would first lead to the urge to breathe?
| 1. | Falling O2 concentration |
| 2. | Rising CO2 concentration |
| 3. | Falling CO2 concentration |
| 4. | Rising CO2 and falling O2 concentration |
Subtopic: Respiratory System: Regulation of Respiration |
58%
Level 3: 35%-60%
NEET - 2015
Hints
Blood pressure in the mammalian aorta is maximum during:
1. systole of the left atrium
2. diastole of the right ventricle
3. systole of the left ventricle
4. diastole of the right atrium
2. diastole of the right ventricle
3. systole of the left ventricle
4. diastole of the right atrium
Subtopic: Human Heart: Cardiac Cycle |
73%
Level 2: 60%+
NEET - 2015
Hints
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