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Abscissa of a point is positive in. (a) I and II quadrants (b) I and IV quadrants (c) I quadrant only (d) II quadrant only

In the coordinate system, the ordinate is the second component of an ordered pair. For example, if (x, y) is an ordered pair, then y is the... View Article

What is the function of the chloroplast?

Following are the important functions of chloroplasts 1. The most important function of the chloroplast is to synthesize food by the process of... View Article

A yeast cell differs from a bacterial cell as it is a) Eukaryotic b) Multicellular c) Unicellular d) Prokaryotic

Option a) Eukaryotic. A yeast cell differs from a bacterial cell since yeasts are eukaryotic cells and bacteria are prokaryotic cells. Yeasts... View Article

Banks provide a higher rate of interest on which of a) Current account b) Fixed deposits for a long period c) Saving account d) Fixed deposits for a short period

Option b) Fixed deposits for a long period. Money is deposited for a fixed period of time and a fixed rate of interest is paid at the end of time... View Article

State the disadvantage of inbreeding among cattle how it can be overcome

A disadvantage of inbreeding is: Inbreeding reduces fertility and productivity and leads to inbreeding depression. Inbreeding depression can be... View Article

A metal which reacts with cold water vigorously producing hydrogen is a) Gold b) Tin c) Sodium d) Tungsten

Option c) Sodium. As we know, in the periodic table alkali metals are the most reactive metals. Sodium when in contact with cold water, readily... View Article

What will be the partial pressure of He and O2 respectively, if 200ml of He at 0.66atm and 400ml of O2 at 0.52atm pressure are mixed in a 400ml vessel at 20 C (temperature).

Total pressure, P = milliequiv.of He + milliequiv.of O2 / total volume =(200×0.66+400×0.52) / 400 =(132+208) / 400 =0.85 Partial... View Article

Nucleic acid can be synthesized only in the direction of a) 3-3 b) 3-5 c) 5-3 d) 5-5

Option c) 5-3. Nucleic acid can be synthesized only in the direction of 5-3. Nucleic acids have two distinctive ends: the 5' (5-prime) and 3'... View Article

_____ is a pervasive function of management. a) Personnel Management b) Control c) Organization d) Financial Management

Option a) Personnel Management. Personnel management is seen at every level of management. It helps superiors to manage, monitor, direct, and... View Article

According to section 2(h) of the Indian Contract Act,”_______ is an agreement enforceable by law”. a) Promise b) Consideration c) Contract d) Agreement

Option c) Contract.... View Article

The apparatus used to measure heat is called a —————- a) Thermometer b) Microscope c) Calorimeter d) Screw gauge

Option c) Calorimeter. A thermometer is an instrument used to measure temperature and the apparatus used to measure heat is called a calorimeter.... View Article

A triangle cannot have more than —————— obtuse angles. a) 0 b) 1 c) 2 d) 3

Option b) 1. A triangle with more than one obtuse angle cannot be formed. Hence, a triangle can have only one obtuse angle.... View Article

The Z(effective) for He is? a) 1.8 b) 1.70 c) 2 d) 0

Option b) 1.70. The effective nuclear charge Z(effective) is the net positive charge experienced by an electron in a multi-electron atom. The... View Article

Assertion The Chromoplasts contain fat-soluble carotenoid pigments like carotene and xanthophylls etc. Reason These pigments give yellow, orange, or red color to some parts of the plants. a) Both Assertion and Reason are incorrect b) Both Assertion and Reason are correct and Reason is the correct explanation for Assertion c) The assertion is correct but the Reason is incorrect d) Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

Option d) Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion. Chromoplasts are yellow or reddish in... View Article

Sodium hydrogen carbonate is commonly called as: a) sodium carbonate b) sodium bicarbonate c) sodium dioxide d) None of the option

Option b) sodium bicarbonate. Sodium hydrogen carbonate is also known as, baking soda, baking powder, Sodium bicarbonate, bread soda, and... View Article

Which one is a green manure biofertilizer a) Oats b) Wheat c) Sesbania d) Rice

Option c) Sesbania. Green undecomposed material that is used as manure is called green manure. Sesbania is one of the important green manure crops.... View Article

Account for the following: Iron on reaction with Hcl forms FeCl2 and not FeCl3

Iron reacts with HCl to form FeCl2 and H2. Fe+2HCl→FeCl2+H2 The resultant H2 which is produced prevents the oxidation of FeCl2 to FeCl3.... View Article

How many images of himself can an observer see if two adjacent walls and the ceiling of a rectangular room are mirror surfaced? a) 2 b) 3 c) 5 d) 7

Option d) 7. For mirrors inclined at a right angle in the adjacent walls 3 images are formed. The ceiling mirror will therefore form 3 images of... View Article

Accretionary growth is due to a) Embryonic cells b) Differentiated cells c) Reserve cells d) Meristematic cells

Option c) Reserve cells. The growth in the post-embryonic stage or adult stage is known as accretionary growth. The reserve cells are... View Article

Phyllotaxy is decussate in a) Hibiscus rosa-sinensis b) Catharanthus roseus c) Pisum sativum d) Nerium indicum

Option b) Catharanthus roseus. In decussate phyllotaxy, two successive pairs of leaves occur perpendicular to each other. The pairs of leaves lie... View Article

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