Structure of propanone is:
The Structure of propanone or acetone is given below: Chemical formula for Propanone = C3H6O
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Name two nonmetals which are lustrous.
The two nonmetals which are lustrous are Iodine and Carbon. The two allotropes of Carbon that shines and reflects light... View Article
The chemical name of baking soda is?
The chemical name of baking soda is sodium bicarbonate or sodium hydrogen carbonate. It is a chemical compound with the... View Article
Red soil is also known as what?
Red soil is also known as an omnibus group. The colour of the soil is red due to the presence... View Article
Explain the schematic representation of gaseous exchange in tissues
The gaseous exchange occurs by diffusion in the alveoli depending on the pressure differences between blood and tissues, or atmospheric... View Article
Which of the following fuels has the lowest calorific value? (A) C2H6 (B) C2H5OH (C) H2 (D) C2H4
Answer: (C) H2 Calorific value refers to the amount of heat produced by unit volume of a substance by complete... View Article
(a) Expand DNA and RNA. (b) In which part of the cell it is found? State its function. (c) In which form is DNA present in (1) dividing cell (2) non-dividing cell?
(a) DNA (Deoxyribonucleic Acid) is a group of molecules that is responsible for carrying and transmitting the hereditary materials or... View Article
The term protoplasm was coined by: (A) Virchov (B) Dujardin (C) Purkinje (D) Kollinker
Answer: (C) Purkinje
Deforestation may reduce the chances of: (A) Frequent landslides (B) Rainfall (C) Frequent Cyclones (D) Erosion of surface soil
Answer: (B) Rainfall Deforestation is the process of cutting trees in a large scale to use the land for major... View Article
Mention Function of carpel.
The carpel is the fourth whorl of the flower present in the centre. The carpels contain the pistil, the female... View Article
Geocarpic fruit is: (A) Carrot (B) Groundnut (C) Radish (D) Orange
Answer: (B) Groundnut Geocarpic fruit is Groundnut. Geocarpic means production of plants under the ground via diaspores within the soil.
The blood leaving the tissues becomes richer in (a) carbon dioxide (b) water (c) heamoglobin (d) oxygen
Answer: (a) Carbondioxide The blood leaving the tissues becomes richer in CO2
Botanical name of tomato is: (a) Allium cepa (b) Solanum tuberorsum (c) Saccharum officinarum (d) Lycopersicon esculentum
Lycopersicon esculentum is the boanical name of tomato
Which of the following is not a rabi crop? (A) Maize (B) Wheat (C) Mustard (D) Grain
Answer: (A) Maize Maize is not a Rabi crop but a Kharif crop
What is the difference between blood and lymph?
Following are the difference between blood and lymph are Blood (i) Reddish coloured fluid (ii) Part of the circulatory system... View Article
Cruciform corolla is found in: (A) Pea (B) Radish (C) China Rose (D) Sunflower
Answer: (B) Radish
What is classification?
On the basis of their similarities and differences, living organisms are arranged into different groups and subgroups, which is termed... View Article
What is meant by plasmolysis? How is it practically useful?
Plasmolysis is the process of contraction or shrinkage of the protoplasm of a plant cell and is caused due to... View Article
The rearing of silkworms for obtaining silk is called as:
The rearing of silkworms for obtaining silk is called Sericulture.
Write the main function of pepsin.
Pepsin is used to denature or metabolise the proteins into peptones and proteases.
