Which one of the following shows isogamy with non-flagellated gametes?

1. Sargassum

2. Ectocarpus

3. Ulothrix

4. Spirogyra

Subtopic:  Algae |
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Five kingdom system of classification suggested by R.H. Whittaker is based on:

1. Complexity of body organisation

2. Mode of reproduction

3. Mode of nutrition

4. All of the above

Subtopic:  Different Classification Systems |
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Which one of the following fungi contains hallucinogens?

1. Morchella esculenta

2. Amanita muscaria

3. Neurospora sp.

4. Ustilago sp.

Subtopic:  Drugs & Alcohol Abuse |
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Archaebacteria differ from eubacteria in:

1. Cell membrane stucture

2. Mode of nutrition

3. Cell shape

4. Mode of reproduction

Subtopic:  Kingdom Monera: Bacterial Classification |
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Which one of the following is wrong about Chara?

1. upper oogonium and lower round antheridium

2. Globule and nucule present on the same plant

3. Upper antheridium  and lower oogonium

4. Globule is male reproductive structure

Subtopic:  Chlorophyceae: Green Algae: I | Chlorophyceae: Green Algae |
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Which of the following is responsible for peat formation?

1. Marchantia

2. Riccia

3. Funaria

4. Sphagnum

Subtopic:  Bryophytes (Liverworts) | Bryophytes (Anthoceropsida) |
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Placenta and pericarp are both edible portions in :

1. Apple

2. Banana

3. Tomato

4. Potato

Subtopic:  Fruits & their Types |
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When the margins of sepals or petals overlap one another without any particular direction, the condition is termed as:

1. Vexillary

2. Imbricate

3. Twisted

4. Valvate

Subtopic:  Flower & Parts of Flower: I | Flower & Parts of Flower |
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You are given a fairly old piece of dicot stem and a dicot root. Which of the following anatomical structures will your use to distinguish between the two?

1. Secondary xylem

2. Secondary phloem

3. Protoxylem

4. Cortical cells

Subtopic:  Dicot Stem |
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Which one of the following statements is correct?

1. The seed in grasses is not endospermic

2. Mango is a parthenocarpic fruit

3. A proteinaceous aleurone layer is present in maize gain.

4. A sterile pistil is called a staminode.

Subtopic:  Seed |
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