Plant Biology

Questions about plant morphology including leaves, stems, roots, and botanical terminology

15 Questions Published

Questions

Question 1 Multiple Choice (Single Answer)

Acicular leaves are found in

  1. cynodon
  2. pinus
  3. oxalis
  4. citrus
  5. rose
Question 2 Multiple Choice (Single Answer)

In some plants, leaves or their portions are modified into tendrils. Name the plant in which the stipule is modified into tendrils.

  1. Smilax
  2. China rose
  3. Opuntia
  4. Bignonia
  5. Nepenthis
Question 3 Multiple Choice (Single Answer)

Ipomoea is a weak stem which climbs and twirls around the support. This type of weak stem is called

  1. creeper
  2. trailer
  3. twiner
  4. climber
  5. None of these
Question 4 Multiple Choice (Single Answer)

Datura is a

  1. herb
  2. shrub
  3. tree
  4. climber
  5. creeper
Question 5 Multiple Choice (Single Answer)

The roots which manufacture food by photosynthesis are

  1. assimilatory roots
  2. respiratory roots
  3. symbiotic roots
  4. haustorial roots
  5. storage roots
Question 6 Multiple Choice (Single Answer)

The modification of stem in Amorphophallus is

  1. corm
  2. tuber
  3. rhizome
  4. bulb
  5. phylloclade
Question 7 Multiple Choice (Single Answer)

In mango and ginger, roots are modified to store food. This type of roots are known as

  1. assimilatory roots
  2. tuberous roots
  3. nodulose roots
  4. haustorical roots
  5. fasciculated roots
Question 8 Multiple Choice (Single Answer)

Velamen is found in

  1. assimilatory roots
  2. epiphytic roots
  3. parasitic roots
  4. mycorrhizal roots
  5. respiratory roots
Question 9 Multiple Choice (Single Answer)

Sucker roots are present in

  1. jussiaea
  2. viscum
  3. podostemone
  4. tinospora
  5. orchids
Question 10 Multiple Choice (Single Answer)

Roots found in clusters at the base of stem are seen in

  1. sweet potato
  2. asparagus
  3. mango
  4. maize
  5. ginger
Question 11 Multiple Choice (Single Answer)

Velamen tissue is found in

  1. epiphytes
  2. hydrophytes
  3. xerophytes
  4. parasitic roots
  5. respiratory roots
Question 12 Multiple Choice (Single Answer)

In citrus, palmate leaf is

  1. unifoliate
  2. bifoliate
  3. trifoliate
  4. quadrifoliate
  5. multifoliate
Question 13 Multiple Choice (Single Answer)

In parkesonia, a leaf is modified into

  1. pitcher plant
  2. phylloclade
  3. phyllode
  4. cladode
  5. respiratory root
Question 14 Multiple Choice (Single Answer)

The term "Gynobasic" is used in relation to

  1. gynoecium
  2. androecium
  3. placentation
  4. infloroscence
  5. None of these
Question 15 Multiple Choice (Single Answer)

When two unequal leaves are borne on the same node, it is called

  1. bifoliate
  2. anisophylly
  3. heterophylly
  4. biparous
  5. All of the above