In mammals, which blood vessel would normally carry the largest amount of urea?
1. Dorsal Aorta
2. Hepatic Vein
3. Hepatic Portal Vein
4. Renal Vein

Subtopic:  Human Kidney: Functions |
 54%
NEET - 2016
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NEET 2023 - Target Batch - Aryan Raj Singh
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The term ecosystem was coined by:
1. A.G. Tansley 2. E. Haeckel
3. E. warming 4. E.P. Odum
Subtopic:  Introduction |
 84%
NEET - 2016
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Which of the following is required as an inducer(s) for the expression of lac operon?
1. galactose
2. lactose
3. lactose and galactose
4. glucose
Subtopic:  Gene Regulation: Lac Operon |
 85%
From NCERT
NEET - 2016
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Which of the following is wrongly matched in the given table? 

Microbe Product Application
1. Monascus purpureus Statins Lowering of blood cholesterol
2. Streptococcus Streptokinase Removal of clot from blood vessel
3. Clostridium butylicum Lipase Removal of oil stains
4. Trichoderma polysporum Cyclosporin-A Immunosuppressive

Subtopic:  Chemicals, Enzymes & Other Bioactive Molecules |
 91%
From NCERT
NEET - 2016
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NEET 2023 - Target Batch - Aryan Raj Singh

When does the growth rate of a population following the logistic model equal zero? The logistic model is given as dN/dt = rN(1-N/K):
1. when N nears the carrying capacity of the habitat
2. when N/K equals zero
3. when the death rate is greater than the birth rate
4. when N/K is exactly one
Subtopic:  Population: Logistic Growth Model |
 68%
From NCERT
NEET - 2016
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NEET 2023 - Target Batch - Aryan Raj Singh

Which one of the following statements is not true?
1. Exine of pollen grains is made up of sporopollenin
2. Pollen grains of many species cause severe allergies
3. Stored pollen in liquid nitrogen can be used in crop breeding programs
4. Tapetum helps in the dehiscence of anther
Subtopic:  Stamen: Anther |
 90%
From NCERT
NEET - 2016
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In bryophytes and pteridophytes, transport of male gametes requires?

1. insects 2. birds
3. water 4. wind
Subtopic:  Bryophytes | Pteridophytes |
 92%
From NCERT
NEET - 2016
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Which of the following is not a stem modification?
1. Thorns of citrus
2. Tendrils of cucumber
3. Flattened structure of Opuntia
4. Pitcher of Nepenthes
Subtopic:  Morphology of Stems |  Modifications of Stem |
 83%
From NCERT
NEET - 2016
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Which one of the following cell organelles is enclosed by a single membrane?
1. Chloroplasts
2. Lysosomes
3. Nuclei
4. Mitochondria
Subtopic:  Lysosomes |
 88%
From NCERT
NEET - 2016
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Analogous structures are results of?
1. convergent evolution
2. shared ancestry
3. stabilizing selection
4. divergent evolution
Subtopic:  Concept of Organic Evolution: Evidence: 2 | Concept of Organic Evolution: Evidence |
 92%
From NCERT
NEET - 2016
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