Plant Anatomy And Physiology - Study Mode
[#116] In which of the following types of endosperm, the first nuclear division of the primary endosperm nucleus is followed by the formation of either a longitudinal or transverse wall in the central cell?
Correct Answer
(C) Cellular endosperm
[#117] Match List-I with List-II and select the correct answer: List-I List-II a. Gravelly soil 1. Soil contains large particles of rocks together with sand and silt b. Silt soil 2. Soil directly derived from limestones c. Loam soil 3. Soil is practically intermediate between sandy and clay soils d. Calcareous soil 4. Soil composed of sand, silt and clay particles of different sizes in more or less equal proportions
Correct Answer
(B) a-1, b-3, c-4, d-2
[#118] In which of the following ecosystems, secondary and tertiary consumers are usually absent?
Correct Answer
(B) Cropland ecosystem
[#119] During microsporogenesis the middle layers become flattened and crushed at the time of meiotic divisions in the microspore mother cells except in
Correct Answer
(D) All of the above
[#120] Which of the following plants do not flower in response to gibberellins?
Correct Answer
(C) Long-day plants but not rosette in form