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Edaphic factors are related to (1) Humidity (2) Soil texture (3) Rainfall (4) Wind velocity

Answer: (2) The edaphic factor is an abiotic factor related to the physical or chemical soil composition found in a given area. Very alkaline... View Article

Explain about composition of urine?

Answer: Urine is a liquid waste by-product of the body that the kidneys have secreted into a process called urination and excreted via the... View Article

For the complex ion [Fe (CN) 6]3- , state (1) The type of hybridisation. (2) The magnetic behaviour (3) The oxidation number of the central metal atom.

Answer: Consider the complex [Fe(CN)6]−3 (a) CN is a powerful field ligand and uses inner 3d-orbitals to form a low spin complex. As there are... View Article

Give an example of fibrous and globular protein.

Answer: They are two types of protein molecules fibrous proteins and globular proteins. They are insoluble and elongated and they are... View Article

Botanical names of Jowar and Rice are respectively (1) Oryza sativa and Pennisetum typhoides (2) Sorghum vulgare and Oryza sativa (3) Triticum aesativum and Pennisetum tyuphoides (4) Oryza sativa and Sorghum vulgare

Answer: (2) Sorghum Vulgare is a species of monocotyledonous plant belonging to the Poaceae family, commonly known as Jowar. It is an... View Article

Siliqua fruit is characteristic of family (1) Poaceae (2) Fabaceae (3) Brassicaceae (4) Asteraceae.

Answer: (3) Siliqua fruit develops from bi-carpellary, syncarpous, superior ovary initially one chambered but subsequently becomes two-chambered... View Article

Find the number of all onto functions from the set {1,2,3,….,n} to itself

Answer: Onto function could be explained by considering two sets, Set A and Set B, which consist of elements. If for every element of B, there... View Article

Balbiani rings are sites of (1) Lipid synthesis (2) Nucleotide synthesis (3) Polysaccharide synthesis (4) RNA and protein synthesis

Answer: (4) A Ring of Balbiani is a large puff of chromosome. Balbianirings are diffused uncoiled polytene chromosome regions which are RNA... View Article

Two plane wavefronts of light, one incident on a thin convex lens and another on the refracting face of a thin prism. After refraction at them, the emerging wavefronts respectively become (1) Plane wavefront and plane wave front (2) Plane wavefront and spherical wavefront (3) Spherical wavefront and plane wavefront (4) Elliptical wavefront and spherical wavefront

Answer: (3) As the waves reach the lens, the center of the wave first meets the glass and this part of the wave first slows down since light... View Article

Define reflex arc and its component.

Answer: Reflex or a reflex action is an involuntary action in response to a stimulus. This is a spontaneous action without thinking. For... View Article

Describe the various types of placentations found in flowering plants.

Placentation - Arrangement of ovule within the ovary is known as placentation. Various types of placentations found in flowering plants are (1)... View Article

Indane gas is a mixture of____________. (1) Butane and hydrogen (2) Butane and oxygen (3) Butane and propane (4) Methane and oxygen

Answer: (3) Indane Gas is a liquefied petroleum gas (LPG), main constituents of these gases are ;propane, butane, propylene, butylene, and... View Article

Form the greatest and the smallest 3? digit numbers using any three different digits with the condition that digit 6 is always at the unit place.

Answer: The condition to write the greatest and smallest 3-digit number is that three different digits are that 6 is at the one's place.... View Article

VAM is component of _________ (1) Ectomycorhiza (2) Endomycorhiza (3) Green manure (4) Mycoherbicides

Answer: (2) The full form of VAM is Vesicular Arbuscular Mycorrhizal. It is one of the first microbiological product. VAM is a fungus which... View Article

How many chambers are there in fish heart? (1) Two (2) Three (3) Four (4) One

Answer: (1) The heart of the fish has two chambers namely Atrium Ventricle Blood flows into the atrium after passing through the fish... View Article

PPLO is (1) Virus (2) Viroid (3) Mycoplasma (4) Bacteria

Answer: (3) PPLO is an organism such as Pleuro Pneumonia also known as Mycoplasma. It is the tiniest organism. There is no cell wall across the... View Article

Metal compound A reacts with dilute hydrochloric acid to produce effervescence. The gas evolved extinguishes a burning candle. Write a balanced chemical equation for the reaction if one of the compounds formed is calcium chloride.

Answer: The gas thus formed is an effervescent carbon dioxide gas when calcium carbonate reacts with hydrochloric acid. The carbon dioxide gas... View Article

Which of the following is biodegradable pollutant? (1) Domestic waste (2) DDT (3) Mercury salts (4) Aluminium foil

Answer: (1) Domestic waste Biodegradable pollutants mean that a substance can be easily decomposed by naturally occurring agents such as oxygen,... View Article

(1) State Joule’s law of heating. Name two gases which are filled in electric bulbs and explain why these gases are filled in electric bulbs. (2) An electric iron consumes energy at a rate of 840 W, when heating is at the maximum rate. The voltage of electric source is 220 V. Calculate the value of current and the resistance.

Answer: (1) Joule's law of heating states that the power of heating obtained by an electrical conductor is directly proportional to the (a)... View Article

What is the function of SER?

Answer: The endoplasmic reticulum (ER) is a network of membranes that is present inside eukaryotic cells. These structures are responsible for... View Article

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