Bread mould reproduces asexually by ________
Answer: Bread mould reproduces asexually by spore formation. Black bread mould is a common form of fungus. It reproduces and... View Article
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Give three pairs of prime numbers whose difference is 2
Solution: Prime numbers are the numbers with two factors, 1 and the number itself. A pair of prime numbers whose... View Article
Respiratory Centre is Located in the – Fill in the Blank
medulla oblongataBreathing movements are largely controlled by a respiratory centre located in the medulla oblongata of the brain.
Exchange of gases takes place in the ____________
Answer: Exchange of gases takes place in the alveoli. Exchange of gases in humans Alveoli have thin and moist walls,... View Article
____________is an example of a longitudinal wave
Answer: Sound waves is an example of a longitudinal wave. Sound waves The vibrating motion of particles moving via a... View Article
The drying agent for chlorine gas is ___________
Answer: The drying agent for chlorine gas is concentrated sulphuric acid. The absorption of residual water vapour in concentrated sulphuric acid... View Article
A hypha bearing sporangium is called _______________
Answer: A hypha bearing sporangium is called sporangiophore. Hyphae are tubular thread-like structures with sporangia at their tips in Rhizopus.... View Article
Epidermis is made up of __________epithelium
Answer: Epidermis is made up of stratified epithelium. Epidermis Epidermis is made up of a thin layer of flat, thin... View Article
Identify the molecule which undergoes sp2 hybridization. (1) BH3 (2) BeH2 (3) BeF2 (4) BeCl2
Answer: In BH3, B is sp2 hybridized. In BeH2, BeF2 and BeCl2, Be is sp hybridized. Hybridization When two atomic... View Article
The formula of iron (III) sulphate is _____________
Answer: The formula of iron (III) sulphate is Fe2(SO4)3. Iron (III) Sulfate Iron (III) Sulfate has yellow colour and is... View Article
The black coating on silver is due to_______
Answer: Blacking coating on silver is due to the formation of silver sulphide (Ag2S). When silver is exposed to air,... View Article
Methylated spirit is used to dissolve ___________
Answer: Methylated spirit is used to dissolve chlorophyll. Since chlorophyll is soluble in organic solvents including ethanol, the leaf is... View Article
Housefly has mouth parts that help in ______________
Answer: Housefly has mouth parts that help in sucking. Housefly The housefly refers to the Diptera family. Chemo sensilla are... View Article
Complete alimentary canal is found in __________
Answer: Complete alimentary canal is found in ascaris. Ascaris Ascaris are nematode roundworms that reside like parasites in a human... View Article
Guess which sound has a higher pitch: guitar or car horn?
Answer: The pitch of a sound is the response of our ear which gives to the sound frequency. Pitch of... View Article
___________increases with the increase in H+ ions
Answer: The Strength of an acid increases with the increase in H+ ions. Acid The sour taste is the most... View Article
___________ensures a steady income to the farmers
Answer: Mixed farming ensures a steady income to the farmers. Mixed farming Growing two or more crops on the same... View Article
Lion, cat and tiger belong to a common ___________
Answer: Lion, cat and tiger belong to a common family. The lion is a member of the Felidae family, which... View Article
The human skeleton consists of ________________ bones.
Answer: The human skeleton consists of 206 bones. Human skeletal system The skeletal system protects the body and offers a structural... View Article
Decomposition of silver chloride reaction is an example of
Answer: Since decomposition of silver chloride takes place in the presence of sunlight, so it is a photolytic decomposition reaction.... View Article
