Answer: In 1831, Robert Brown discovered the nucleus in the cell. The nucleus in eukaryotic cells is a protoplasmic body covered by a double... View Article
Pusa Lerma is an improved variety of wheat. It was created from another variety of wheat called Lerma Rojo using variation breeding or mutation... View Article
Public cleanliness is important for individual health. Public awareness of diseases, such as its mode of spread, causes and treatment can... View Article
Pneumatic bones in birds are hollow. This helps to shed unnecessary weight that may hamper with the flight dynamics. The hollow spaces are filled... View Article
Plasmolysis occurs due to osmosis. The cells lose water when in a hypertonic tonic solution, this leads to the contraction of the cell away from... View Article
Answer: The process of vein formation on the leaf is known as venation. The two types of venation are Reticulate venation Parallel venation... View Article
Placoid scales are found in rays and sharks. These structures provide protection, camouflage, and hydrodynamic advantages. They provide... View Article
Mosquitos belong to the phylum Arthropoda. It is the largest phyla in the animal kingdom, with over 80% of all documented species being... View Article
Similarity: Amoeba and humans are heterotrophs. This means we need to derive energy from other organic sources of carbon. Difference: Though... View Article
The energy that we consume can be classified as renewable and non-renewable. As the name states, “renewable” energy is a type of energy that does... View Article
The cytoplasm is the liquid-like part of the cell. Within this, the various cellular organelles are suspended. The cytoplasm is enclosed within... View Article
The muscular tissue is responsible for movement in our body. The tissue responsible for movement in our body is muscular tissue. Structurally,... View Article
Nematocysts are found in the phylum Cnidaria, which includes jellyfishes and sea anemone. Also called cnidocyte or cnidoblast, these are... View Article
Sorter’s Disease is another name for Anthrax. It is caused by the bacteria Bacillus anthracis. Historically, anthrax was called wool sorter’s... View Article
Dendrites are the segments where sensory information is relayed. Structurally, dendrites are extensions of the nerve cell, branching off into... View Article
The microorganism which can fix atmospheric nitrogen in the soil is bacteria. Several species of bacteria are capable of fixing nitrogen, but the... View Article
Food is defined as any substance that people and animals eat to survive. Animals and plants are the main sources of food. It is eaten because... View Article
The seeds of squirting cucumbers (Ecballium elaterium), violets (Viola pedata) and touch-me-not (Mimosa pudica) scatter by bursting. When the... View Article