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Annual rings are the number of (1) Internodes in a stem (2) Rings of vascular bundles in a monocot stem. (3) Barks layers in a woody stem. (4) Layers of Xylem in a stem.

Answer: (4) Layers of Xylem in a stem The tree forms new cells annually, organized in concentric circles termed as annual rings or rings of... View Article

Which of the following is not an element? (1) Graphite (2) germanium (3) silica (4) silicon

Answer: (3)silica Graphite is a carbon element. Silicon(Si) and germanium(Ge) are also elements, but silica (SiO2) is not an element.... View Article

Explain twisted aestivation with some examples.

Answer: One edge of a petal in Twisted Aestivation covers the adjacent petal and the other margin is covered by another petal. One petal margin... View Article

Discuss the principle and method of softening of hard water by synthetic ion exchange resins.

Answer: The process of treating permanent hardness of water using synthetic resins generally based on exchange of anions and cations present in... View Article

Angiosperms and gymnosperms are similar in having _______?

Answer: Siphonogamy Both angiosperms and gymnosperms are seed-bearing plants with a few similarities. In plants, siphonogamy is a process in... View Article

What Are Bird Talons?

Answer: The sharp, hooked claws at the end of the toes are a bird's talons. Birds have one talon on each toe, and based on how the bird will use... View Article

3√6 + 4 √6 is equal to?

Answer: 3√6 + 4√6 = 7√6 A Radical is an expression that involves a root, usually a square root or cube root. The three different components of... View Article

Give one example of Cephalochordata.

Answer: cephalochordata is marine and filter-feeder The notochords continue throughout life and spread to the region of the brain. The nerve... View Article

What is the number of depletion layer in a transistor?

Answer: 2 A transistor is an electronic component used either to amplify or to transfer electrical signals or power in circuits, enabling it to... View Article

Find a rational number between 1/4 and1/3.

Answer: 7/24 In mathematics, a rational number is a type of real numbers. It can be defined as any number that can be expressed in the p/q form... View Article

What is the common name for Na₂SO₄.10H₂O?

Answer: The common name for Na2SO4.10H2O is Sodium Sulphate decahydrate. It is used primarily for the production of detergents and for paper... View Article

What is the value of 248² – 249²?

Answer: - 497 We know the formula a2 - b2 = (a + b)(a - b) 2482 - 2492 can be written as 2482 - 2492 = (248 + 249)(248 - 249) 2482 - 2492 =... View Article

Find the multiplicative inverse of (81/16)^(-3/4)?

Answer: The multiplicative inverse also known as reciprocal implies is something which is opposite. The reciprocal number obtained in such a... View Article

The pair of ions having same electronic configuration is __________. (1) Cr3+ , Fe3+ (2) Fe3+ , Mn2+ (3) Fe3+ , Co3+ (4) Sc3+ , Cr3+

Answer: Fe3+ and Mn2+ The valence shell electronic configuration of the given atom and their corresponding ions are Fe3+ (Z=26) =... View Article

What is the condition for an Electromagnetic Induction?

Answer: Electromagnetic Induction is a current generated due to a changing magnetic field due to the creation of voltage. The condition for an... View Article

(3x + 4) (3x-5) how to do it by using identities?

Answer: Given (3x + 4) (3x - 5) 3x (3x - 5) + 4 (3x - 5) (3x )² - (5 × 3x) + (4 × 3x) - (5 × 4) 9x² - 15x + 12x - 20 9x² - 3x - 20 9x² -... View Article

The system that forms maximum boiling azeotrope is (1) carbon disulphide – acetone (2) benzene – toluene (3) acetone – chloroform (4) n-hexane – n-heptane

Answer: (3) acetone – chloroform An azeotrope is a mixture that boils at a constant temperature known as the azeotropic temperature at a... View Article

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