Which of the following diseases is commonly found in areas where Maize is main diet? [A]Beri-Beri [B]Pellagra [C]Scurvy [D]Kwashiorkor Show Answer Pellagra Pellegra is commonly found in areas where Maize is main diet because it leads to vitamin B3 (Niacin) deficiency. The vitamin B3 is found in maize diet but this is in a form […]
The plants which flower only once in their lifetime are called? [A]Monocarpic [B]Monogamous [C]Monogenic [D]Monocots Show Answer Monocarpic Plants that flowers once in their lifetime are called MONOCARPIC plants.
Pollination by which of the following will be called Entomophily? [A]Bats [B]Elephants [C]Butterflies [D]House Sparrow Show Answer Butterflies Pollination by insects is called entomophily. Entomophily is a form of plant pollination whereby pollen is distributed by insects, particularly bees, Lepidoptera (e.g. Butterflies and moths), flies and beetles.
Which of the following refers to Secondary growth in plants? [A]Development of secondary organs after the plant attains maturity [B]Development of flowers and fruits [C]Growth in length and development of new branches after the plant starts flowering [D]Formation of secondary tissues by the activity of lateral meristems Show Answer Formation of secondary tissues by the […]
Which of the following scientists of India is related to theory of Black hole? [A] C.V. Raman [B] H.J. Bhabha [C] S. Chandrashekhar [D] H. Khurana Show Answer S. Chandrashekhar In 1931, the astrophysicist Subrahmanyan Chandrasekhar theorised that a star would not form a stable white dwarf at the end of its life if its […]
In human body, “Thrombin” plays important role in which of the following physiological processes? [A] Excretion [B] Blood clotting [C] Reproduction [D] Growth Show Answer Blood clotting Thrombin is a serine protease that in humans is encoded by the F2 gene. In the blood coagulation pathway, thrombin acts to convert factor XI to XIa, VIII […]
Which of the following is the insectivorous fish used for mosquito control? [A] Hilsa [B] Labeo [C] Gambusia [D] Mystus Show Answer Gambusia Gambusia is a large genus of fish in family Poeciliidae. Gambusia species are also known as mosquito fish, which, refers more specifically to two species, G. Affinis and G. Holbrooki. These can […]
In which cropping pattern, the crops are grown in the inter spaces between rows of planted trees? [A] Relay cropping [B] Mixed cropping [C] Inter-cropping [D] Alley cropping Show Answer Alley cropping A cropping system where crops are grown in the inter spaces between rows of planted trees is called Alley cropping. It is a […]
NASA’s Low-Density Supersonic Decelerator project aims to test technique for atmospheric entry on which planet?
NASA’s Low-Density Supersonic Decelerator project aims to test technique for atmospheric entry on which planet? [A]Jupiter [B]Mars [C]Venus [D]Mercury Show Answer Mars The Low-Density Supersonic Decelerator or LDSD is a re-entry vehicle designed to test techniques for atmospheric entry on Mars. The disc-shaped LDSD uses an inflatable structure called the Supersonic Inflatable Aerodynamic Decelerator (SIAD), […]