GK General Science Questions and Answers for Competitive Exams

Turmeric is the underground stem of a ginger-like plant (rhizome).

Diploid Sporosity:

The embryo sac, the master spore, is derived from the mother cell either directly by mitosis or by inhibiting meiosis. An eight-nucleated embryo sac is formed. This is a common process in plants like corn and wheat.

Found mainly in the state of Meghalaya, India's only pitcher plant species Nepenthes khasiana is endangered, facing threats from mining, shifting cultivation, and excessive collection, among others. N. khasiana is distributed in the Garo, Khasi, and Jaintia Hills.

Vitamin A deficiency can lead to night blindness and poor vision. B vitamins are a class of water-soluble vitamins. Vitamin B refers to several different types of vitamins that, together, are known as the B-complex vitamins. The commonly used Vitamin B Complex is constituted of 8 vitamins. Thiamin (vitamin B-1) Riboflavin (vitamin B-2) Niacin (vitamin B-3) Pantothenic acid (vitamin B-5) Vitamin B-6 Biotin (vitamin B-7) Folate (vitamin B-9) Vitamin B-12 Deficiency of Vitamin C can cause scurvy, a disease that is characterised by bleeding gums, skin spots, and swelling in joints. It also affects the immune system and can even be fatal in acute conditions. Vitamin C has been shown to enhance iron absorption. It captures non-heme iron and stores it in a form that's more easily absorbed by your body. Foods high in vitamin C include citrus fruits, dark green leafy vegetables, bell peppers, melons and strawberries. Citrus fruits are an excellent source of vitamin C. So from the above points, we can say that- 'X' = Vitamin C 'Y' = Iron (mineral) 'Z' = (Food) Citrus fruits

Metal 'X' displaces metal 'Y' from its salt solution, so 'X' is more reactive than 'Y'. Metal 'X' Can not displace metal 'Z' from its salt solution, so 'Z' is more reactive than 'X'

Species that are restricted to a particular geographical area are called endemic species.

Pituitary gland: It is a small pea-sized gland. It is often called the master gland as it controls several other hormone glands in our body. It is located in the brain between Hypothalamus and the Pineal gland. So, the pituitary gland in human beings secretes more than three hormones.

The correct answer is White blood cells. At the site of infection, white blood cells accumulate to destroy pathogens. Their amoeboid shape assists them to squeeze through blood capillaries and at the same time their pseudopodia help to kill pathogens by the process of phagocytosis.

The correct answer is Glycocalyx. Glycocalyx: It is a surface layer that covers the cell membrane of many bacteria, epithelial cells or other cells. It is made up of proteoglycans, glycoproteins and glycolipids.

Energy derived from food in humans is stored in a type of ATP. The energy derived from food in humans is stored in a type of ATP. 2. Adenosine triphosphate is the main energy currency of the cell.