What is the criterion for the movement of DNA fragments on agarose gel during gel electrophoresis?

1. The smaller the fragment size, the farther it moves
2. Positively charged fragments move to farther end
3. Negatively charged fragments do not move 
4. The larger the fragment size, the farther it moves

Subtopic:  Separation and Isolation of DNA fragments |
 91%
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Hypersecretion of Growth Hormone in adults does not cause further increase in height, because?

1. Epiphyseal plates close after adolescence.
2. Bones lose their sensitivity to Growth Hormone in adults.
3. Muscle fibres do not grow in size after birth.
4. Growth Hormones become inactive in adults.
Subtopic:  Adenohypophysis & Hypothalamus |
 74%
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DNA replication in bacteria occurs:

1. Within nucleolus

2. Prior to fission

3. Just before transcription

4. During S phase

Subtopic:  DNA Replication:III | DNA Replication |
 54%
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Which one from those given below is the period for Mendel's hybridization experiments?

1. 1840-1850 2. 1857-1869
3. 1870-1877 4. 1856-1863

Subtopic:  Introduction to Genetics: 1 |
 87%
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Viroids differ from viruses in having;

1. DNA molecules without protein coat
2. RNA molecules with protein coat
3. RNA molecules without protein coat
4. DNA molecules with protein coat 
Subtopic:  Virus, Viroids & Prions |
 85%
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MALT constitutes about _______ percent of the lymphoid tissue in the human body.

1. 20% 2. 70%
3. 10% 4. 50%
Subtopic:  Human Immune System |
 82%
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Which of the following is correctly matched for the product produced by them?

1. Methanobacterium: Lactic acid

2. Penicillium notatum: Acetic acid

3. Saccharomyces cerevisiae: Ethanol

4. Acetobacter aceti: Antibiotics

Subtopic:  Chemicals, Enzymes & Other Bioactive Molecules |
 92%
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Which, among the following, are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen?

1. Pseudomonas

2. Mycoplasma

3. Nostoc

4. Bacillus

Subtopic:  Kingdom Monera: Actinomycetes & Mycoplasma |
 95%
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Which of the following represents order of Horse’?

1. Perissodactyla

2. Caballus

3. Ferus

4. Equidae

Subtopic:  Study of Aves & Mammals |
NEET - 2017
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Frog’s heart when taken out of the body continues to beat for some time. 
Select the best option from the following statements. 
(a) Frog is a poikilotherm. 
(b) Frog does not have any coronary circulation. 
(c) Heart is "myogenic" in nature 
(d) Heart is autoexcitable

1. Only (d)

2. (a) and (b)

3. (c) and (d)

4. Only (c)

Subtopic:  Frogs |
 68%
NEET - 2017
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