Question
Which of the following plants does not have independent
and free-living male and female gametophytes?Solution
Cedrus is a gymnosperm having reduced dependent gametophytes- pollen and endosperm. In gymnosperms the male and the female gametophytes do not have an independent free-living existence and remain within the sporangia and are retained on the sporophytes.
Which soil structure type is characterized by horizontal, plate-like aggregates?
According to USDA classification of salt affected soils; a soil having EC >4 mmho/cm; ESP >15; pH
Toxicity of which element leads to the unavailability of iron and zinc
The mineral supplying Phosphorus (P) is:
Which soil type covers the maximum area in India?
Which of the following types of soil is known for exhibiting a characteristic honey-comb structure, typically formed due to specific environmental condi...
 ____ soil is also called as regur soil or the soil in which predominant crop grown is Cotton.
Which clay mineral group is known for its ability to swell and expand when wetted?
Which process describes the mixing of soil by earthworms?
Which soil forming process involves the deposition of materials removed from eluvial horizons into lower horizons, leading to the creation of illuvial h...
