How many true-breeding pea plant varieties did Mendel select as pairs, which were similar except in one character with contrasting traits?

1. 2 2. 14
3. 6 4. 4

Subtopic:  Introduction to Genetics: 1 |
 89%
Level 1: 80%+
NEET - 2020
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According to Robert May, global species diversity is about:
1. 20 Million
2. 50 Million
3. 7 Million
4. 1.5 Million

Subtopic:  Magnitude of Biodiversity |
 89%
Level 1: 80%+
NEET - 2020
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The true nucleus is absent in:
1. Anabaena
2. Mucor
3. Vaucheria
4. Volvox
Subtopic:  Prokaryotic Cell Organisation |
 69%
Level 2: 60%+
NEET - 2015
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The number of substrate level of phosphorylations in one turn of citric acid cycle is:

1. One 2. Two
3. Three 4. Four
Subtopic:  Kreb's Cycle |
 72%
Level 2: 60%+
NEET - 2020
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The body of the ovule is fused within the funicle at :

1. Micropyle 2. Nucellus
3. Chalaza 4. Hilum
Subtopic:  Pistil: Ovule |
 84%
Level 1: 80%+
NEET - 2020
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If the distance between two consecutive base pairs is 0.34 nm and the total number of base pairs of a DNA double helix in a typical mammalian cell is 6.6×109 bp, then the length of the DNA is approximately:

1. 2.5 meters 2. 2.2 meters
3. 2.7 meters 4. 2.0 meters
Subtopic:  DNA Double Helix |
 91%
Level 1: 80%+
NEET - 2020
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Floridian starch has structure similar to :

1. Amylopectin and glycogen

2. Mannitol and algin

3. Laminarin and cellulose

4. Starch and cellulose

Subtopic:  Rhodophyceae: Red Algae and Importance of Algae |
 85%
Level 1: 80%+
NEET - 2020
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Match the following  microorganism with product

Column - I Column - II
(a) Clostridium butylicum (i) Cyclosporin A
(b) Trichoderma polysporunt (ii) Butyric acid
(c) Monascus purpureus (iii) Citric acid
(d) Aspergillus niger (iv) Blood cholesterol lowering agent
 
(a) (b) (c) (d)
1. (ii) (i) (iv) (iii)
2. (i) (ii) (iv) (iii)
3. (iv) (iii) (ii) (i)
4. (iii) (iv) (ii) (i)
Subtopic:  Chemicals, Enzymes & Other Bioactive Molecules |
 92%
Level 1: 80%+
NEET - 2020
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Strobili or cones are found in:

1. Pteris 2. Marchantia
3. Equisetum 4. Salvinia 
Subtopic:  Pteridophytes |
 71%
Level 2: 60%+
NEET - 2020
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Name the enzyme that facilitates opening of DNA helix during transcription.

1. DNA helicase 2. DNA polymerase
3. RNA polymerase 4. DNA ligase
Subtopic:  Transcription |
Level 3: 35%-60%
NEET - 2020
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