Nereis has a) Coeloblastula b) Superficial blastula c) Discoblastula d) Stereoblastula
Option d) Stereoblastula. Nereis is a genus of polychaete worms in the family Nereididae. It has a solid blastula with... View Article
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The meaning of pseudopodia is a) Multiple feet b) False feet c) True feet d) Single foot
Option b) False feet. Pseudopodia mean false feet. It is the projections of varying lengths protruding out of the body... View Article
A drop of water is an example of a) Nano ecosystem b) Micro ecosystem c) Macro ecosystem d) None of the option
Option c) Macro ecosystem.
The slogan “jai hind” was given by a) Sarojini Naidu b) Mahatma Gandhi c) Subhash Chandra Bose d) Jawaharlal Nehru
Option c) Subhash Chandra Bose.
The main source of heat is a) Electricity b) The stars c) The sun d) None of the option
Option c) The sun. The Sun is the star located at the center of the Solar System. Sun is a... View Article
Dacron is a polymer of a) glycol and phenol b) glycol and terephthalic acid c) glycol and formaldehyde d) glycol and phthalic acid
Option b) glycol and terephthalic acid.
An extinct bird of mauritius is the a) Peacock b) Dodo c) Turkey d) Parrot
Option b) Dodo. The dodo (Raphus cucullatus) is an extinct flightless bird that was endemic to the island of Mauritius,... View Article
Gestation period in human beings is about a) 26 weeks b) 28 weeks c) 31 weeks d) 40 weeks
Option d) 40 weeks. The average length of human gestation is 280 days or 40 weeks, starting from the first... View Article
PESTLE stands for a) Political, European, Sociological, Technological, Legal and Environmental b) Public, Environmental, Sociological, Technological, Legal, and Environmental c) Political, Economic, Sociological, Technological, Legal and Environmental d) Public, Environmental, Secured, Technological, Legal and Enterprises
Option c) Political, Economic, Sociological, Technological, Legal and Environmental.
Respiratory organ present in spider is a) Skin b) Gills c) Book Lungs d) None of the option
Option c) Book Lungs. Book lung is found in scorpions and spiders. It is the respiration organ used for atmospheric... View Article
Azane is IUPAC name of : a) Sulfuric acid b) Carbon dioxide c) Quick lime d) Ammonia
Option d) Ammonia. Azane is acyclic, saturated hydro-nitrogen, which means it consists of nitrogen and hydrogen atoms only attached by... View Article
Write opposite process of evaporation
Condensation is the opposite process of evaporation. In the condensation process, liquid water is formed from water vapor by cooling.... View Article
List two limitations of the green revolution in india
Limitations of Green Revolution are:<ul><li>The poor farmers could not afford High Yield Variety seed (HYV).</li><li>Continuous use of groundwater for tube... View Article
How many surfaces in solid cylinder? a) 4 b) 2 c) 1 d) 3
Option d) 3. The Front, Top, and bottom are the three surfaces in a solid cylinder.
What is the significance of vacuole in a plant cell
Vacuoles are membrane-bound sacs within the cytoplasm of a plant cell. Vacuoles in a plant cell aid in providing structural... View Article
Evaluate 422
\(\begin{array}{l}(42)^{2}=(40+2)^{2}\end{array} \)using the identity\(\begin{array}{l}(a+b)^{2}=a^{2}+b^{2}+2ab\end{array} \)\(\begin{array}{l}(40+2)^{2}=40^{2}+2^{2}+2(40)(2)\end{array} \)\(\begin{array}{l}=1600+4+160\end{array} \)=1764
Hydrometer is based on the principle of a) principle of superposition b) Archimede’s principle c) principle of momentum d) Hamilton’s principle
Option b) Archimede’s principle. A hydrometer is a device used to find the specific gravity. Archimedes’ principle states that weight... View Article
What is the composition of alpha particles a) A stream of neutrons b) Negatively charged particle c) Positively charged particle d) None of the option
Option c) Positively charged particle. Alpha particle is a positively charged particle, identical to the nucleus of the helium-4 atom.... View Article
Grapevine’ refers to a term used in relation to _________. a) Informal communication b)Formal communication c) Both formal and informal communications d) None of the option
Option a) Informal communication. Informal communication is also known as grapevine communication. It is defined as communication between individuals or... View Article
Ocelli or fenestrae of cockroach take part in a) Perception of humidity b) Perception of temperature c) Perception of light d) Sight
Option c) Perception of light. Ocelli or fenestrae of cockroaches are responsible for the detection of light. They are circular... View Article
