Answer: (1) The cell membrane also known as a cytoplasmic membrane or plasma membrane is a biological membrane that protects the interior of... View Article
Answer: (4) Generally leaf base, petiole, and lamina, together form the main parts of a leaf. leaf base is the part where a leaf attaches to the... View Article
Answer: (4) In the earth crust, oxygen percentage is 46.6 but oxygen belongs to the non-metal group. The most abundant metals are 8.1% of... View Article
Answer: The full form of PVC is polyvinyl chloride. PVC is made of vinyl chloride monomer by condensation polymerization and it is an example of... View Article
Answer: In the formation of a covalent bond between two atoms, each atom will share one electron. The electrons present in the covalent bond... View Article
Answer: In the stomach, food and water are mixed properly to form a slurry known as chyme. After this process, the food is ready to move into... View Article
Answer: The density of ice is less than liquid water so ice is lighter than water. A water molecule is made of one oxygen atom combined with... View Article
Answer: Let us consider the oxidation state of C in CN- is x. The oxidation number of N = -3 Sum of the oxidation number is the same as the... View Article
Answer: (1) Diamonds are the homogeneous, naturally-occurring, solid, and generally inorganic substance with definable chemical composition and... View Article
Answer: (4) Agamospermy asexual reproductive process in the place of normal sexual processes involving reduction division and fertilization.... View Article
Answer: (3) The fuse wire in an electrical fuse is selected in such a way that it does not face any damage when the normally stipulated amount of... View Article
Answer: Dry ice is an example of sublimation which is a frozen form of carbon dioxide (CO2). Dry ice is a solid form of carbon dioxide. When... View Article
Answer: (3) Pyramid of the number shows the number of species per trophic stage. The pyramid of numbers is usually upright except for some... View Article
Answer: (1) Enzyme ptyalin is also known as salivary amylase which is present in the saliva of humans. Ptyalin gets activated by chloride ions... View Article
Answer: (2) Spring balance is used to determine the force acting on the object (weight). Spring balance works on the principle of Hooke's law.... View Article
Answer: When all the four chambers of the heart are in a relaxed state it is known as joint diastole. Hence, both ventricles and atria are... View Article
Answer: A process of microbial fermentation in which sugar is converted to ethanol is known as ethanol fermentation or alcoholic fermentation. In... View Article
Answer: The motion is characterized as the change in position of an object with respect to its surroundings in a given time interval. The motion... View Article
