Which of the following is capable of producing a new plant? i) Seed ii) Leave iii) Bark iv) Peel of the fruit
(i) Seed can germinate and develop into a new plant. Seed germination Seed germination may be defined as the significant... View Article
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Which of the following rivers does not originate in the Himalayas? (a) Ganga (b) Indus (c) Brahmaputra (d) Narmada
Answer: (d) Narmada Narmada is a peninsular river. Rest all the given rivers are Himalayan rivers. Narmada river Narmada river... View Article
Which of the following crops require excess water for its growth? i) Tomato ii) Surgacane iii) Maize iv) Wheat
(ii) Sugarcane The crop of sugarcane grows well when water is present in excess. Sugarcane water requirement Sugarcane is a... View Article
Which one of the following molecule exists as tetra-atomic molecule? a. Sulphur b.Helium c.Oxygen d.Phosphorus
Phosphorus is a tetra-atomic molecule. Tetrahedral structure of Phosphorous Phosphorous exists as molecules made up of four atoms in a tetrahedral... View Article
Choose the correction option for the largest phylum of animal: i) Chordate ii) Annelid iii) Sponge iv) Arthropod
The correct option for the largest phylum of animal is iv) Arthropod Phylum Arthropoda Arthropoda is the largest phylum of... View Article
Which of the following animal does not have a segmented body? i) Enoplea ii) Leech iii) Arthropod iv) Chordate
(i) Enoplea Enoplea belongs to the phylum Nematoda, which are bilaterally symmetrical, triploblastic, cylindrical and unsegmented. Nematoda The organisms belonging... View Article
Which of the following proteins helps in the coagulation of blood? a. Fibrinogen b.Dystrphin c.Elastin d.Coronin
(a) Fibrinogen Fibrinogen is a plasma glycoprotein synthesised by the liver. It plays an important role in the clotting of... View Article
Choose the right option for the finest quality of iron ore: i) Hematite ii) Magnetite iii) Limonite iv) Siderite
The correct option for the finest quality of iron is (ii) Magnetite Magnetite- Iron ore Haematite, Magnetite, Siderite, Iron pyrites... View Article
Which of the following cells is circular and biconcave in shape? i) RBC ii) Bacillus iii) Coccus iv) Spirochetes
(i) RBC Red blood cells have circular and biconcave shape. What are Red blood cells? Red blood cells are called Erythrocytes. RBCs have... View Article
Which of the following affect the climate of a place? a)Latitude b)Ocean Currents c)Topography d)All of the above
(d) All the above Latitude, Ocean Currents, Topography affect the climate of a place. Climate Climate relates to the sum... View Article
Which of the following apparatus is not required in sublimation? a. Condenser b. China Dish c.Funnel d.Wire gauze
(a) Condensor The condenser is required in distillation, it is not required in sublimation. Sublimation The transition of a substance... View Article
Which of the following alloy is used for making scientific instruments? i) Steel ii) Bronze iii) Brass iv) Iron
The alloy brass is used for making scientific instruments. Brass is an alloy of copper and zinc. The combination of these... View Article
Selectr thr nutrient that is obtained from air by the plants: i) Potassium ii) Oxygen iii) Nitrogen iv) Phosphorus
(ii) Oxygen Oxygen is obtained from air rest all are obtained from fertilisers and manure. Nutrition to plants Plants produce... View Article
Which one of the following fuels is considered as environment-friendly?a)Coal b)Petroleum c)Natural Gas d)Firewood
(c) Natural gas Natural gas is considered environment friendly among the given fuels. What is natural gas? Natural Gas is... View Article
You have seen weather reports on television and in newspapers. How do you think we are able to predict the weather?
The Meteorological Department mainly deals with the weather forecast. 1. Weather stations around the world make daily measurements of temperatures,... View Article
Explain, why is it difficult for a fireman to hold a hose, which ejects large amounts of water at a high velocity.
When a fireman holds a hose, which is ejecting large amounts of water at a high velocity, then a reaction... View Article
Which of the following diseases is not caused by viruses? a. Measles b.Hepatitis c.Polio d.Typhoid
(d)Typhoid Typhoid is caused by bacteria called Salmonella typhi. Typhoid Typhoid is an infectious bacterial disease that mainly spreads through... View Article
Which of the following molecule doesn’t have a lone pair? a)BeCl2 b)H2O c)HF d)NH3
Answer (a) BeCl2 Beryllium Dichloride- BeCl2 Beryllium Dichloride, with a chemical formula of BeCl2, is an inorganic and colourless compound. It... View Article
Which of the following is not a major jute-producing state?a) Uttarpradesh b)Andhrapradesh c)Telangana d)Maharastra
(d) Maharashtra Maharashtra is a highly industrialized state of India, agriculture continues to be the main occupation in the state. Agriculture includes crops,... View Article
Which one of the following is used as a biological insecticide?a)Silk Moth b)Tiger Beetle c)Caterpillar d)Mazra Poka
(b) Tiger Beetle is used as a biological insecticide Caterpillar – the larval stage of insects, silkmoth is used in silk... View Article
