Underground Stem Modifications

Q. Underground stem is found in:

1. Potato
2. Garlic
3. Onion
4. All of the above.

Q. Corm, rhizome and tuber are ________ modifications.

1. underground root
2. underground stem
3. underground leaf
4. aerial stem

Q. The stem of potato, the root of carrot and bulb of onion

1. are underground
2. help in photosynthesis
3. store food
4. both a and c

Q. Photoperiodism was first characterized in

1. Tobacco
2. Potato
3. Tomato
4. Cotton

Q.

Which one of the following is correctly matched?

1. Onion - Bulb

2. Ginger - Sucker

3. Chlamydomonas - Conidia

4. Yeast - Zoospores

Q. Which among the following is NOT a modified stem?

1. Corm of gladiolus
2. Stolons of strawberry
3. Spines of prickly pear
4. Rhizome of ginger

Q. How many plants among Canna, Oxalis, Eichhornia, ginger, garlic, lemon, wheat, Gladiolus and saffron have underground modified stems?

1. Three
2. Four
3. Five
4. Six

Q.

What is the eye of potato?

1. Axillary bud

2. Accessory bud

3. Adventitious bud

4. Apical bud

Q. Which one of the following matches is correct ?

1. Agaricus - parasitic fungus - Basidiomycetes
   
2. Phytophthora - Aseptatemycelium - Basidiomycetes
3. Alternaria - Sexual reproduction absent - Deuteromycetes
4. Mucor - Reproduction by Conjugation - Ascomycetes