Plant Morphology and Taxonomy of Angiosperm

 

Plant Morphology and Taxonomy of Angiosperm

1. Leaves become modified into spines in

a. Silk Cotton

b. Opuntia

c. Pea

d. Onion

2. Keel is the characteristic feature of flower of

a. Tomato

b. Tulip

c. Indigofera

d. Aloe

3. Perigynous flowers are found in

a. Rose

b. Guava

c. Cucumber

d. China rose

4. Which one of the following statements is correct

a. The seed in grasses is not endospermic

b. Mango is a parthenocarpic fruit

c. A proteinaceous aleurone layer is present in maize grain

d. A sterile pistil is called a staminode

5. An example of edible underground stem is

a. Carrot

b. Groundnut

c. Sweet potato

d. Potato

6. Placenta and pericarp are both edible portions in

a. Apple

b. Banana

c. Tomato

d. Potato

7. When the margins of sepals or petals overlap one another without any particular direction, the condition is termed as

a. Vexillary

b. Imbricate

c. Twisted

d. Valvate

8. An aggregate fruit is one which develops from

a. Multicarpellary syncarpous gynoecium

b. Multicarpellary apocarpous gynoecium

c. Complete inflorescence

d. Multicarpellary superior ovary

9. Non-albuminous seed is produced in

a. Maize

b. Castor

c. Wheat

d. Pea

10. Seed coat is not thin, membranous in

a. Coconut

b. Groundnut

c. Gram

d. Maize

11. In china rose the flower are

a. Actinomorphic. Epigynous with valvate aestivation

b. Zygomorphic, hypogynous with imbricate aestivation

c. Zygomorphic, epigynous with twisted aestivation

d. Actinomorphic, hypogynous with twisted aestivation

12. Placentation in tomato and lemon is

a. Marginal

b. Axile

c. Parietal

d. Free central

13. Vexillary aestivation is characteristic of the family

a. Solanaceae

b. Brassicaceae

c. Fabaceae

d. Asteraceae

14. Phyllode is present in

a. Australian Acacia

b. Opuntia

c. Asparagus

d. Euphorbia

15. How many plants in the list given below have composite fruits that develop from an inflorescence? Walnut, poppy, radish, pineapple, apple, tomato.

a. Two

b. Three

c. Four

d. Five

16. Cymose inflorescence is present in

a. Trifolium

b. Brassica

c. Solanum

d. Sesbania

17. Which one of the following organism is correctly matched with its three characteristics?

a. Pea : C3 pathway, Endospermic seed, Vexillary aestivation

b. Tomato : Twisted aestivation, Axile placentation, Berry

c. Onion: Bulb, Imbricate aestivation, Axile placentation

d. Maize : C3 pathway, Closed vascular bundles, scutellum 256

 18. How many plants in the list given below have marginal placentation?

Mustard, Gram, Tulip, Asparagus, Arhar, sun hemp, Chilli, Colchicine, Onion, Moong, Pea, Tobacco, Lupin

a. Four

b. Five

c. Six

d. Three

19. The Eyes of the potato tuber are

a. Axillary buds

b. Root buds

c. Flower buds

d. Shoot buds

20. Which one of the following statements is correct?

a. Flower of tulip is a modified shoot

b. In tomato, fruit is a capsule

c. Seeds of orchids have oil – rich endosperm

d. Placentation in primrose is basal

21. A drup develops in

a. Tomato

b. Mango

c. Wheat

d. Pea