is the term used to refer to the commencement of menstruation at puberty.
Anonymous Quiz
40%
Menearch
48%
Monpuse
12%
Tube
😁8👍5🔥5🤔3👏1
The part of the flower which is present in the centre of the flower is
Anonymous Quiz
20%
Sepal
17%
Petal
30%
Carpel
33%
Stamens
👍14🤩4🔥2😢2
👍13🤔5🥰3👏1
Reaction in which an element displaces another element from its compound is called ………….
Anonymous Quiz
81%
Displacement
9%
Conservation
6%
Redox
4%
Oxidation
😁8👍5❤4🎉3🔥2🤔2🥰1
Reactions in which energy is given out are known as ………….
Anonymous Quiz
81%
Exothermic
19%
Endothermic
👍15❤4🎉4😁3🔥1
Precipitation reactions produce insoluble ………….
Anonymous Quiz
55%
Salt
14%
Sugar
18%
Glucose
14%
Soln
❤9👍4🔥3🤔3
A substance ‘X’ is used in white-washing and is obtained by heating limestone in the absence of air. Identify ‘X’.
Anonymous Quiz
27%
Caocl
37%
Caocl2
10%
Cl2
26%
Cao
👍14🤩4❤1
How many water molecules does hydrated cal-cium sulphate contain?
Anonymous Quiz
22%
5
35%
10
20%
7
23%
2
👍12🤔9🥰3
Roots of the plants absorb water from the soil through the process of:
Anonymous Quiz
15%
Diffusion
57%
Transporation
25%
Osmosis
3%
None
🤔11👍6🥰2
When a few drops of iodine solution are added to rice water, the solution turns blue- black in colour. This indicates that rice water contains:
Anonymous Quiz
17%
Fat
27%
Protein
52%
Starch
4%
Dna
👍13🤩4
Name a circulatory fluid in the human body other than blood.
Anonymous Quiz
31%
Platletes
31%
Rbc
31%
Lymph
7%
Wbc
🤔11👍6🔥5
Breaking of pyruvate using oxygen takes place in the ………
Anonymous Quiz
75%
Mitochondria
13%
Lysosome
8%
Er
5%
Golgi apperatus
👍9🥰7😁3🔥1