Which of the following is not a connective tissue?
| 1. | Neuroglia | 2. | Blood |
| 3. | Adipose tissue | 4. | Cartilage |
Subtopic: Â Connective Tissue |
 83%
Level 1: 80%+
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Detritivores breakdown detritus into smaller particles. This process is called:
| 1. | Decomposition | 2. | Catabolism |
| 3. | Fragmentation | 4. | Humification |
Subtopic: Â Decomposition |
 72%
Level 2: 60%+
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Select the incorrect statement with reference to mitosis:
| 1. | Splitting of centromere occurs at anaphase. |
| 2. | All the chromosomes lie at the equator at metaphase. |
| 3. | Spindle fibres attach to centromere of chromosomes. |
| 4. | Chromosomes decondense at telophase |
Subtopic: Â Cell Division: Mitosis (Karyokinesis) |
 67%
Level 2: 60%+
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If the length of a DNA molecules is 1.1 metres, what will be the approximate number of base pairs?
| 1. | \(6.6 \times 10^{6} \mathrm{bp}\) | 2. | \(3.3 \times 10^{9} \mathrm{bp}\) |
| 3. | \(6.6 \times 10^{9} \mathrm{bp}\) | 4. | \(3.3 \times 10^{6} \mathrm{bp}\) |
Subtopic: Â DNA Double Helix |
 71%
Level 2: 60%+
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At which state of life the oogenesis process is initiated?
| 1. | Adult | 2. | Puberty |
| 3. | Embryonic development stage | 4. | Birth |
Subtopic: Â oogenesis |
 84%
Level 1: 80%+
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Which of the following is not a desirable feature of a cloning vector?
| 1. | Presence of two or more recognition sites |
| 2. | Presence of origin of replication |
| 3. | Presence of a marker gene |
| 4. | Presence of single restriction enzyme site |
Subtopic: Â Cloning Vector |
 73%
Level 2: 60%+
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If a colour blind female marries a man whose mother was also colour blind, what are the chances of her progeny having colour blindness
| 1. | 100% | 2. | 25% |
| 3. | 50% | 4. | 75% |
Subtopic: Â Pedigree Analysis: Problem Solving |
 69%
Level 2: 60%+
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Ten E.coli cells with \({ }^{15} \mathrm{~N}\) - ds DNA are incubated in medium containing nucleotides. After 60 minutes, how many E.coli cells will have DNA totally free from \({ }^{15} \mathrm{~N}\) ?
| 1. | 80 cells | 2. | 20 cells |
| 3. | 40 cells | 4. | 60 cells |
Subtopic: Â Transcription |
 63%
Level 2: 60%+
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Select the incorrect statement regarding synapses:
| 1. | Impulse Transmission across a chemical synapse is always faster than that across an electrical synapse. |
| 2. | The membranes of presynaptic and postsynaptic neurons are in close proximity in an electrical synapse. |
| 3. | Electrical current can flow directly from one neuron into the other across the electrical synapse. |
| 4. | Chemical synapses use neurotransmitters |
Subtopic: Â Nervous System |
 86%
Level 1: 80%+
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Statements related to human Insulin are given below.
Which statement(s) is/are correct about genetically engineered Insulin?
Choose the most appropriate answer from the options given below:
Which statement(s) is/are correct about genetically engineered Insulin?
| (a) | Pro-hormone insulin contain extra stretch of C-peptide |
| (b) | A-peptide and B-peptide chains of insulin were produced separately in E.coli, extracted and combined by creating disulphide bond between them. |
| (c) | Insulin used for treating Diabetes was extracted from Cattles and Pigs. |
| (d) | Pro-hormone Insulin needs to be processed for converting into a mature and functional hormone. |
| (e) | Some patients develop allergic reactions to the foreign insulin. |
Choose the most appropriate answer from the options given below:
| 1. | (c), (d) and (e) only | 2. | (a), (b) and (d) only |
| 3. | (b) only | 4. | (c) and (d) only |
Subtopic: Â Med Applications & Humulin |
Level 3: 35%-60%
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