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What are phanerogams?

Answer: Phanerogams are plants that have special structures for reproduction and generate seeds. In these plants, after the process of... View Article

State two differences between Heat Capacity and Specific Heat Capacity.

Answer: The difference between the specif heat capacity and heat capacity is listed below. Specific heat capacity Heat capacity... View Article

Explain with suitable examples, the different types of phyllotaxy.

Answer: The patterns of arrangement of leaves on the stem are called Phyllotaxy. There are three types of Phyllotaxy, alternate, opposite and... View Article

Metals are good conductors of heat because: (1) They contain large number of free electrons (2) Their aloms are relatively apart (3) Their atoms collide frequently (4) They have reflecting surface

Answer: (1) Metals are an excellent electricity and heat conductor because the metal atoms form a matrix through which the outer electrons can... View Article

Identify the set of homeothermic animals. (1) Frog, lion and fish (2) Bat, pigeon and rabbit (3) Pigeon, lizard and Tortoise (4) Rat, snake and crocodile

Answer: (3) Homeotherms are organisms that can only survive when their internal body temperature is kept within a certain range. These animals... View Article

Calculate the volume occupied by one molecule of water? (Given density 1 g cm^-3)

Answer: Given Density of water (ρ) = 1g/cm3 Molar mass of water (M) = 18 g/mol ∴ Molar volume (Vm) = M/ρ Vm = 18 cm3/mol ∴ Volume of 1... View Article

Explain the difference in properties of diamond and graphite on the basis of their structures.

Answer: The difference in properties of diamond and graphite on the basis of their structures is listed below. Diamond Graphite In diamond,... View Article

Explain the principle of immunization.

Answer: It is the body’s ability to generate an immune response naturally, or through vaccines. These methods build immunity or resistance to a... View Article

What is the chemical formula of Gypsum?

Answer: The chemical formula of gypsum is CaSO4.2H2O. Gypsum mineral is non-toxic, and it is a very common sulfate. Gypsum is chemically known... View Article

Nissl granules occur in which part and what is their function? (1) Neurons and site of protein synthesis (2) Blood and help in the nutrition and excretion (3) Sarcoplasm and help in the contraction (4) Cell and secrete mucous

Answer: (1) Nissl’s Granules are the substances found in the neurons which are a large granular type of body. These granules are very... View Article

The by-product of photosynthesis is (1) CO₂ (2) H₂0 (3) Glucose (4) O₂

Answer: (4) O2 The photosynthesis process is the process by which photoautotrophs convert light energy into chemical energy which can later be... View Article

What is the full form of PPLO?

Answer: The full form of PPLO is pleuropneumonia-like organisms and the term used to describe mycoplasmas. PPLO is the smallest cell or... View Article

An example of whorled phyllotaxy (1) Kaner (2) Rose (3) Mint (4) Marigold

The correct answer is (1) Kaner The patterns of arrangement of leaves on the stem are called Phyllotaxy. There are three types of Phyllotaxy... View Article

…………………is an example of monocot. (1) Nutmeg (2) Maize (3) Sunflower (4) Cinnamon

Answer: (2) Maize sometimes referred to as corn, is a cereal grain. The pollen inflorescence and distinct ovuliferous inflorescence called ears... View Article

Plasma membrane is made up of (1) Protein (2) Lipid (3) Carbohydrate (4) Both A and B

Answer: (D) The fluid mosaic model explains the structure of the plasma membrane of animal cells as a mosaic of components such as phospholipids,... View Article

Prove that for any positive integer n, n³ – n is divisible by 6.

Answer: there are two methods to solve the problem which are discussed below. Method 1: Let us consider a = n3 - n a = n (n2 - 1) a = n... View Article

Explain the terms papilionaceous corolla

Answer: Papilionaceous corolla is the special type of aestivation found in the family Papilionaceae in which there are five petals, the largest... View Article

Least count of ammeter and voltmeter are?

Answer: The lowest measurable value is known as the least count. Image: Voltmeter - System used to calculate the difference in electrical... View Article

What is loudness of sound? What factors does it depend on?

Answer: The loudness of sound is a phenomenon of a sound depending on the amplitude of the sound wave. If the amplitude of the sound wave is... View Article

Gangue have (1) Sand and soil (2) Silt (3) Gravel (4) All of these

Answer: (1) Gangue is those impurities that are closely mixed with the ores. This is unwanted material that has no market price and is waste rock... View Article

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