Methanogens belong to:

1. eubacteria

2. archaebacteria

3. dinoflagellates

4. slime moulds

Subtopic:  Kingdom Monera: Bacterial Classification |
 92%
Level 1: 80%+
NEET - 2016
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Select the wrong statement:

1. The walls of diatoms are easily destructible
2. Diatomaceous earth is formed by the cell walls of diatoms
3. Diatoms are chief producers in the oceans
4. Diatoms are microscopic and float passively in water
Subtopic:  Kingdom Protista: Chrysophytes |
 92%
Level 1: 80%+
NEET - 2016
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The label of a herbarium sheet does not carry information on:
1. date of collection
2. name of collector
3. local names
4. height of the plant

 85%
Level 1: 80%+
NEET - 2016
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Conifers are adapted to tolerate extreme environmental conditions because of?

1. broad hardy leaves

2. superficial stomata

3. thick cuticle

4. the presence of vessels

Subtopic:  Gymnosperms |
 87%
Level 1: 80%+
NEET - 2016
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Which one of the following statements is wrong?

1. Algae increase the level of dissolved oxygen in the immediate environment
2. Algin is obtained from red algae and carrageenan from brown algae
3. Agar-agar is obtained from Gelidium and Gracilaria
4. Laminaria and Sargassum are used as food

Subtopic:  Algae |
 88%
Level 1: 80%+
NEET - 2016
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The term 'polyadelphous' is related to?

1. gynoecium 2. androecium
3. corolla 4. calyx
Subtopic:  Parts of Flower: II | Flower & Parts of Flower |
 86%
Level 1: 80%+
NEET - 2016
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How many plants among Indigofera, Sesbania, Salvia, Allium, Aloe, mustard, groundnut, radish, gram and turnip have stamens with different lengths in their flowers?

1.  Three

2.  Four

3.  Five

4.  Six

Subtopic:  Flower & Parts of Flower |
 56%
Level 3: 35%-60%
NEET - 2016
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Radial symmetry is found in the flowers of?

1. Brassica

2. Trifolium

3. Pisum

4. Cassia

Subtopic:  Flower & Parts of Flower |
 64%
Level 2: 60%+
NEET - 2016
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Free-central placentation is found in?

1. Dianthus 2. Argemone
3. Brassica 4. Citrus
Subtopic:  Flower & Parts of Flower |
 83%
Level 1: 80%+
NEET - 2016
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Cortex is the region found between?

1. epidermis and stele

2. pericycle and endodermis

3. endodermis and pith

4. endodermis and vascular bundle

Subtopic:  Anatomy of Root |
 75%
Level 2: 60%+
NEET - 2016
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