Answer: (1) Distance A light-year is a unit of distance. It is the distance a light photon travels in the vacuum in one Julian year. Denoted by... View Article
Answer: The embryo is the most important part of a seed. It is diploid developed from the fertilized egg. All the cells that need to develop into... View Article
Answer: (a) Refractive index is defined as the ratio of the speed of light in a vacuum to its speed in a specific medium. When a beam of light... View Article
Answer: The thermite reaction is an exothermic reaction between metal and metal oxide. For example the reaction between the aluminium with the... View Article
Answer: A sound is a vibration that propagates through a medium in the form of a mechanical wave travels in a longitudinal direction. The medium... View Article
Answer: (1) Vascular bundles are also known as fascicle. They are the component of the vascular tissue system in the plants. It is one of the... View Article
Answer: (1) The adrenal gland secretes the hormone which saves lives. The gland secretes three main hormones: epinephrine, norepinephrine and... View Article
Answer: (1)Sugar solution True Solution is a homogeneous mixture of two or more materials with a particle size of less than 10-9 m or 1 nm... View Article
Answer: Totipotency is a single cell's capacity to divide and generate all the differentiated cells within an organism. Examples of totipotent... View Article
Answer: The band theory of solids is different from the others because the atoms are arranged very close to each other such that the energy... View Article
Answer: Hypophysation is a method used in the breeding of fishes. The technique of hypophysation employs the injection of the pituitary gland... View Article
Answer: (1) A culm is the stem of an above -grounded aerial grass or sedge. It is derived from culms, and originally made reference to the stem... View Article
Answer: (1)Â Crust Earth's outermost layer is called Crust. The other layers of the earth are the mantel, outer and inner core. The crust is... View Article
Answer: The stem modification found in Amorphophyllus (Zaminkand) is corm. The underground stem grows vertically. Its shape is cylindrical. It... View Article
Answer: Landsteiner was awarded the Nobel Prize in Physiology or Medicine in 1930 for his work on the ABO blood group system's immunological... View Article
