Subjects

Subjects

Plant Biology

1. This is the best Explanation for the Pyramidal Shape (Excurrent) of Pinus (Branches Producing the Appearance of a Tall Cone)

Influence of Auxins on the Development of Stem Tips

Water Efficiently Transported from Ground to Leaves

Adapting to Wind Pollination

Competition for Sunlight Amongst Adjoining Trees

2. Roots Developing from a Part of the Plant other than Radicle are Called

Fibrous

Adventitious

Epicaulous

Epiphyllous

3. Which of the Following Flowers is Perigynous?

Hibiscus

Rose

Cucumber

Guava

4. This is a Correct Statement About Pinus

Forms Deciduous Trees in Temperate areas

Exhibits Xerophytic Character and Grows in Deserts

Cosmopolitan in Distribution

Is of Economic Value

5. Which of the Following Differentiates Conifers from Grasses?

Absence of Pollen Tubes

Lack of Xylem Tracheids

Seeds are Produced from Ovules

Endosperm formation without Fertilization

6. Which of the Following Pigments is Present in the Brown Algae?

Phycoerythrin

Phycocyanin

Haematochrome

Fucoxanthin

7. The pressure generated when water enters & inflates plant cells is called ______ potential

Water

Osmotic

Pressure

Solute

8. In Plants, Water Movement is

Up the Potential Gradient in Both Symplast and Apoplast

Down the Potential Gradient in Apoplast and Up the Potential Gradient in Symplast

Down the Potential Gradient in Both Symplast and Apoplast

Down a Potential Gradient in Symplast and Up the Potential Gradient in Apoplast

9. Which of the Following is Called ‘Amphibians’ of the Plant Kingdom?

Bryophyta

Thallophyta

Tracheophyta

Pteridophyta

10. Which of the Following Characteristics Differentiates Bryophytes from Algae?

They Lack Vascular Tissue

The Plant Body is Thalloid

They Have Chloroplasts

They Possess Archegonia

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