31. Perhaps the most characterstic arctic tundra plant is
32. According to Raunkier, desert communities are dominated by
33. Leaves of temperate deciduous woody trees may senesce and fall at a certain season of the year. Such a senescence of leaves or plant organs is called
34. In which of the following, the pollens of each anther lobe form a characteristic mass called pollinium?
35. There is evidence that bound gibberellins exist in plant tissues as
36. Chlorophyll 'a' directly takes part in photochemical reaction and hence it is termed as
37. Match List-I (Pathologists) with List-II (Statements) and select the correct answer:
List-I
List-II
a. De Bary (1876)
1. The fungus Phytophthora infestans overwinters in the soil
b. Melhus (1915)
2. Confirmed De Bary's observations
c. De Bruyn (1926)
3. In temperate regions Phytophthora irfestans perennates in soil in the form of sporangia and germ tubes
d. Kaung (1956)
4. The mycelium of Phytophthora infestans overwinters in the infected tubers
| List-I | List-II |
| a. De Bary (1876) | 1. The fungus Phytophthora infestans overwinters in the soil |
| b. Melhus (1915) | 2. Confirmed De Bary's observations |
| c. De Bruyn (1926) | 3. In temperate regions Phytophthora irfestans perennates in soil in the form of sporangia and germ tubes |
| d. Kaung (1956) | 4. The mycelium of Phytophthora infestans overwinters in the infected tubers |
38. Match List-I (Epiphyte types) with List-II (Modes of life) and select the correct answer:
List-I
List-II
a. Proto-epiphytes
1. Those that collect moist humus within large interwoven mass of roots
b. Hemi-epiphytes
2. Those whose leaves do the function of roots and absorb water and nutrient salts
c. Nest-epiphytes
3. Those that find their nutrients in the cortex of their support
d. Tank-epiphytes
4. Those that send their aerial roots into soil
| List-I | List-II |
| a. Proto-epiphytes | 1. Those that collect moist humus within large interwoven mass of roots |
| b. Hemi-epiphytes | 2. Those whose leaves do the function of roots and absorb water and nutrient salts |
| c. Nest-epiphytes | 3. Those that find their nutrients in the cortex of their support |
| d. Tank-epiphytes | 4. Those that send their aerial roots into soil |
39. The principal function of photosystem I is the simultaneous generation of
40. Match List-I with List-II and select the correct answer:
List-I (Reactions)
List-II (Enzymes)
a. L-Alanine ⇄ D-Alanine
1. Cis-Trans Isomerase
b. Methyl Malonyl - CoA ⇄ Succinyl - CoA
2. Racemase
c. 3-phosphogly-ceraldehyde ⇄ Dihydroxyacetone-phosphate
3. Intramolecular Transferases
d. All-trans retinene ⇄ All-cis retinene
4. Intramolecular Ketol isomerases
| List-I (Reactions) | List-II (Enzymes) |
| a. L-Alanine ⇄ D-Alanine | 1. Cis-Trans Isomerase |
| b. Methyl Malonyl - CoA ⇄ Succinyl - CoA | 2. Racemase |
| c. 3-phosphogly-ceraldehyde ⇄ Dihydroxyacetone-phosphate | 3. Intramolecular Transferases |
| d. All-trans retinene ⇄ All-cis retinene | 4. Intramolecular Ketol isomerases |
Read More Section(Plant Anatomy and Physiology)
Each Section contains maximum 100 MCQs question on Plant Anatomy and Physiology. To get more questions visit other sections.
- Plant Anatomy and Physiology - Section 1
- Plant Anatomy and Physiology - Section 2
- Plant Anatomy and Physiology - Section 3
- Plant Anatomy and Physiology - Section 4
- Plant Anatomy and Physiology - Section 5
- Plant Anatomy and Physiology - Section 7
- Plant Anatomy and Physiology - Section 8
- Plant Anatomy and Physiology - Section 9
- Plant Anatomy and Physiology - Section 10